Tag: Chip Capacitors

Parallel capacitors are usually made of aluminum metal film, polypropylene film, epoxy resin and other materials.

Below is a detailed introduction to these materials:

aluminum metal film

Aluminum metal film is one of the most common capacitor electrode materials and has good electrical conductivity and corrosion resistance. During the capacitor manufacturing process, an aluminum metal film is usually deposited on a polypropylene film by evaporation or sputtering to form a metal film.

The thickness of aluminum metal film is generally between 100-300 nanometers. It has good self-healing ability and high dielectric constant, making the capacitor have high capacitance.

Electrode material is another core component of the capacitor, which determines the conductive properties of the capacitor.

Commonly used electrode materials include aluminum foil, tantalum, silver, gold, etc. Aluminum foil is the most commonly used electrode material because of its good conductivity and cost-effectiveness. Tantalum and silver also conduct electricity well, but they cost more. Gold conducts electricity very well, but it’s also very expensive.

For electrode materials, commonly used electrode materials include:

Aluminum

Aluminum has good electrical conductivity and corrosion resistance, and is a commonly used material for making capacitors.

Silver

Silver has good electrical conductivity and high temperature resistance, and is a commonly used material for making high-frequency capacitors.

Gold

Gold has good electrical conductivity and oxidation resistance, and is another commonly used material for making high-frequency capacitors.

polypropylene film

Polypropylene film is another common capacitor insulating material with good electrical properties, mechanical properties and chemical stability.

In the manufacturing process of capacitors, polypropylene films are usually made by biaxial stretching and have the characteristics of high crystallinity, high mechanical strength, and excellent electrical properties. The thickness of polypropylene film is generally between 2-10 microns and has a low dielectric constant, allowing the capacitor to have low dielectric loss and heat loss.

Epoxy resin

Epoxy resin is a common organic polymer material with good insulation properties, adhesion properties and temperature resistance.

In the capacitor manufacturing process, epoxy resin is often used as an impregnating agent and sealing material, which can effectively protect the internal components of the capacitor and increase the mechanical strength of the capacitor.

At the same time, epoxy resin can also improve the insulation performance and temperature resistance of capacitors, allowing capacitors to operate at higher temperatures and voltages.

In addition to the above main materials, parallel capacitors also require other auxiliary materials, such as pins, insulators, casings, etc. The selection and use of these auxiliary materials also affects the performance and reliability of the capacitor.

Dielectric material

The dielectric material is the core component of the capacitor, which determines the capacitance of the capacitor.

Commonly used media materials include:

Ceramic materials

Ceramic materials have good electrical insulation properties and stability and are commonly used materials for making capacitors.

Plastic material

Plastic material has good electrical insulation properties and corrosion resistance, and is another commonly used material for making capacitors. Commonly used plastic materials include polyethylene, polypropylene, polytetrafluoroethylene, etc.

Paper capacitor

Paper capacitor has good electrical insulation properties and high voltage resistance, and is a commonly used material for making high-voltage capacitors.

The material selection of parallel capacitors needs to be based on the specific application of the capacitor. For example, for capacitors that require high capacitance and stability, ceramic or plastic dielectrics can be used, and electrode materials such as aluminum or silver can be used.

For capacitors that require high-frequency characteristics, paper capacitors can be selected and electrode materials such as gold or silver can be used.

The material selection and use of a shunt capacitor has a significant impact on its performance and reliability. In practical applications, appropriate materials and manufacturing processes need to be selected according to specific requirements to ensure optimal performance and reliability of shunt capacitors.

The self-healing process of a self-healing capacitor mainly relies on its internal self-healing dielectric. This dielectric usually consists of a metallized film and an insulating medium.

When the capacitor is impacted by overvoltage or overcurrent, breakdown may occur in local areas of the metallized film, resulting in a short circuit.

However, due to the self-healing properties of dielectric materials, the metallized film around the breakdown point will quickly evaporate and escape, forming a blank area, allowing the breakdown point to automatically restore insulation.

Specific process steps for self-healing capacitors to achieve self-healing

The specific process of self-healing capacitors to achieve self-healing can be divided into the following steps:

Breakdown occurs

When the capacitor is impacted by overvoltage or overcurrent, breakdown may occur in a local area of the metallized film, resulting in a short circuit.

The metallized film around the breakdown point evaporates and escapes

Due to the self-healing characteristics of the dielectric material, the metallized film around the breakdown point quickly evaporates and escapes, forming a blank area.

Automatic restoration of insulation

Due to the formation of a blank area around the breakdown point, the breakdown point automatically restores insulation. This process is transient and usually only takes a few microseconds to tens of microseconds.

Maintain normal operation

After the self-healing process is completed, the self-healing capacitor can continue to maintain normal operation without affecting other parts of the system.

Key factors for self-healing capacitors to achieve self-healing

Self-healing properties of dielectric materials

The dielectric materials used in self-healing capacitors must have high withstand voltage and current capabilities, as well as good self-healing properties. This is the basis for the self-healing process.

Uniformity and thickness of metallized film

The uniformity and thickness of metallized film are very important to prevent breakdown and achieve self-healing. A uniform metallization film can reduce current density and avoid premature breakdown. Proper metallization film thickness can improve the ability to withstand current surges.

Manufacturing process

The manufacturing process is critical to the performance and reliability of self-healing capacitors. Environmental conditions such as temperature, humidity, cleanliness, etc. need to be strictly controlled during the manufacturing process to ensure product quality and stability.

System protection circuit

Although self-healing capacitors have self-healing capabilities, they may still fail under extreme circumstances. Therefore, protection circuits in the system are crucial to ensure safe operation. The protection circuit can detect abnormal conditions such as overvoltage and overcurrent, and take corresponding measures to prevent the fault from expanding.

The self-healing process of self-healing capacitors is a complex physical and chemical process involving the combined action of multiple factors.

By continuously optimizing materials, design and manufacturing processes, the performance and reliability of self-healing capacitors can be improved, providing better guarantee for the stable operation of the power system.

Capacitor self-healing process and mechanism analysis

Capacitor is a common electrical component, mainly composed of two electrodes, a medium and polar inorganic compounds called “self-healers”.

When the capacitor is impacted by overvoltage or overcurrent, the self-healer begins to work and releases the charge to the “ground”. This process is called the “self-healing” process of the capacitor. It can not only avoid damage to the capacitor, but also play an important role in circuit protection and stable power supply.

The mechanism of capacitor self-healing process includes the following aspects:

1. Reasons why the self-healing process occurs

When the capacitor is impacted by a large voltage or current, charges accumulate on the surface of the medium, causing the local electric field of the medium to exceed the withstand electric field strength of the material, leading to breakdown accidents. If a self-healing capacitor is installed in the capacitor, the polar inorganic compound of the self-healing device can be decomposed into ions immediately and discharge the charge to the “ground” through its own polarity path, thus maintaining the safe operation of the capacitor.

2. Mechanism of self-healing process

Under normal working conditions, the resistance of the self-healer is relatively large and will not affect the power supply of the circuit. When the capacitor is impacted, charges will quickly accumulate at both ends of the self-healer, causing the potential difference of the self-healer to be higher than the breakdown potential of the medium, resulting in the decomposition of the self-healer. The decomposition of the self-healer produces a large amount of electrons and oxygen (in the aluminum oxide self-healer). These particles carry away the charge and generate a brief high temperature during the self-healing process. At this time, the self-healer can discharge the charge to the “ground”.

3. Selection of self-healing device

In practical applications, many factors need to be considered when selecting a self-healer to ensure that it can work under appropriate conditions. The most important factors are the capacitor’s rated voltage and operating current. In addition, different self-healing materials also have different abilities to withstand different voltages. In order to ensure stability, reliable self-healing materials need to be selected.

4. Handling of difficult problems

Although the self-healing process helps protect capacitors from excessive voltage or current, sometimes the self-healer may fail. In this case, a possible solution is to replace the healer or the entire capacitor. In addition, you can also consider adding a protection circuit to the circuit so that even if the capacitor is impacted by overcurrent or voltage, it can still maintain safe operation.

In short, the self-healing process of the capacitor is an important protection mechanism and plays a vital role in the stability and reliability of the circuit. It should be noted that the selection of a suitable self-healer is particularly critical to ensuring the stability and safety of the capacitor.

Self-healing capacitor manufacturers and wholesalers in China

Manufacturers and wholesalers of self-healing capacitors in China include many well-known companies, such as Chint Electric, Yunye, Yageo Co., Ltd. (referred to as Yageo Chip Capacitor Company), China Electric Equipment, Haoshang Hao Holdings, Taikeyuan, etc.

These companies are committed to developing and producing high-quality self-healing capacitors. Their products are widely used in electronic equipment, power systems and other fields, and have the advantages of high efficiency, stability, and high reliability.

At the same time, these companies also provide wholesale services to meet the needs of different customers.

Of course you can contact us. We are a professional wholesaler and supplier of electronic components and a professional manufacturer of self-healing capacitors.

We provide capacitor products with self-healing capabilities. These capacitors can automatically repair when a fault occurs to ensure the stability of the system. run. Manufacturers are committed to continuously developing new technologies and products to meet customers’ needs for efficiency, stability, and high reliability.

A self-healing capacitor is a power capacitor that uses a single layer of polypropylene film as the medium and a thin layer of metal evaporated on the surface as the conductive electrode.

After electrical breakdown occurs in the capacitor, the breakdown point can quickly restore insulation to ensure the safe operation of the power capacitor.

This self-healing process is due to the fact that when excessive voltage is applied, the electrical weakness of the polypropylene film is broken down, the impedance at the breakdown point is significantly reduced, and the current density flowing through increases sharply, causing the metallized coating to generate high heat, causing the breakdown point to The surrounding metal conductors quickly evaporate and escape, forming a blank area of ​​the metal coating, and the breakdown point automatically restores the insulation. Self-healing power capacitors have the advantages of small size, light weight, large capacity, high reliability, and long life, and are widely used in power systems.

What is the principle of self-healing capacitor

The working principle of self-healing capacitors is based on the joint action of self-healing dielectric and capacitor structure. Self-healing dielectric is composed of a combination of metal foil and polypropylene film and has excellent self-healing properties.

When the capacitor is subject to breakdown or local failure caused by external factors, the self-healing dielectric can automatically recover and isolate the fault point, thereby ensuring the normal operation of the capacitor.

The structure of a self-healing capacitor usually includes metal foil electrodes, polypropylene film as a dielectric, and insulating oil filling. Under normal operating conditions, current passes through the dielectric layer between the metal foil electrode and the polypropylene film, producing a capacitive effect and storing electrical energy. When breakdown or failure occurs in the dielectric layer inside the capacitor, the self-healing dielectric can respond quickly and form a high-impedance area around the breakdown point to prevent the flow of current, thus automatically isolating the fault point. This process is realized by the self-healing characteristics of the self-healing dielectric, which can avoid short circuit or open circuit of the capacitor and maintain the normal operation of the capacitor.

The self-healing process of self-healing capacitors is transient and usually only takes a few microseconds to tens of microseconds. Therefore, self-healing capacitors have high reliability, stability and safety, and can adapt to the complex environment and various operating conditions of the power system. In power systems, self-healing capacitors are widely used in reactive power compensation, harmonic suppression, voltage regulation and other fields, providing an important guarantee for the stable operation of the power system.

In general, the working principle of self-healing capacitors is based on the excellent performance of self-healing dielectrics and the reasonable design of the capacitor structure. Through the self-healing process, automatic isolation and repair of faults are achieved, maintaining the normal operation of the capacitor and improving the reliability of the power system. sex and stability.

The difference between self-healing capacitors and non-self-healing capacitors

The difference between self-healing capacitors and non-self-healing capacitors is mainly reflected in the following aspects:

1. Self-healing ability: Self-healing capacitors have self-healing ability and can repair themselves when breakdown occurs, ensuring the normal operation of the capacitor. Non-self-healing capacitors do not have this ability. Once they break down, they will cause a short circuit and cause damage to the capacitor.
2. Structure: The structure of the self-healing capacitor is relatively simple. Polypropylene film is usually used as the medium. The metallized film is thin and has a large square resistance. The structure of non-self-healing capacitors is more complex. Aluminum foil or aluminum film is usually used as the electrode, and the dielectric materials are also diverse.
3. Size and weight: Self-healing capacitors have the advantages of small size and light weight, and are easy to install and use. Non-self-healing capacitors, on the other hand, are generally larger and heavier, making them less suitable for use in environments with limited space.
4. Operating temperature range: Self-healing capacitors have a wide operating temperature range and can operate stably in high temperature environments. Non-self-healing capacitors are easily affected by temperature and have a narrow operating temperature range.
5. Price: The price of self-healing capacitors is relatively low because of their low manufacturing costs. Non-self-healing capacitors are more expensive because their manufacturing process is more complex.

Self-healing capacitors and non-self-healing capacitors each have their own advantages and disadvantages, and the choice of which capacitor to use needs to be determined based on actual needs. In situations where high reliability and stability are required and operation in high temperature environments is required, self-healing capacitors are a better choice; in situations where low cost, smaller size and weight are required, non-self-healing capacitors may be more popular. welcome.

Self-Healing Material – Analysis on the principle of self-healing material repair

What are the disadvantages of self-healing capacitors

Disadvantages of self-healing capacitors include:

1. There are certain disadvantages during operation, which require special design to avoid. In general, the thinner the capacitor’s metallized film, the better its self-healing performance will be. However, the thinner the metallized film, the current carrying capacity of the compensation capacitor will be greatly reduced. In the long run, the capacitor will have the problem of rapid capacity attenuation due to reasons such as excessive operating temperature. Therefore, it is recommended that those self-healing capacitors with thickened metallized film edges be preferred to ensure stable operation of the capacitor in high current or high temperature environments.
2. Excessive oil leakage will lead to a decrease in the heat dissipation performance and voltage resistance of the capacitor, and may even affect the normal use of the capacitor.

Self-healing capacitors have high operational reliability and good capacitive performance, which can improve the stability and reliability of the power system, reduce power loss, and improve power supply quality. However, in practical applications, it is necessary to pay attention to its shortcomings and take corresponding measures to avoid them.

What are the advantages of self-healing capacitors

Advantages of self-healing power capacitors include:

1. Small size and light weight, saving space and easy to install.
2. Large capacity, able to meet the needs of large-capacity compensation.
3. High reliability, using self-healing technology, which can ensure that the capacitor automatically repairs faults during operation and improves operational reliability.
4. Long life. Due to the use of self-healing technology, the capacitor can withstand multiple overvoltage and overcurrent impacts, thus extending the service life.
5. Low maintenance costs. Due to the high reliability of self-healing power capacitors, the frequency of repairs and replacements can be reduced, thereby reducing maintenance costs.
6. The reactive power compensation effect is good, which can increase the power factor, improve voltage quality, and reduce line losses and transformer losses.

Self-healing power capacitor is a high-performance, high-reliability power electronic component with wide application prospects in power systems.

What are the advantages of self-healing capacitors compared with ordinary capacitors

The main advantage of self-healing power capacitors over ordinary power capacitors lies in their self-healing function. When the capacitor is impacted by an external voltage that is too high or too low, the self-healing power capacitor can repair itself and return to normal working condition.
This self-healing ability is achieved by the self-healing material inside the capacitor.

Once the capacitor suffers a voltage shock, the self-healing material can quickly fill the insulation defects in the capacitor and prevent the current from continuing to flow, thereby avoiding damage to the capacitor.

This self-healing function makes self-healing capacitors extremely reliable and stable in high-voltage applications and complex circuits, and can maintain stable performance during long-term operation.

In contrast, ordinary power capacitors do not have a self-healing function. Once the insulation is damaged, they need to be replaced or repaired, so their reliability and stability are relatively low.
Self-healing power capacitors also have a longer service life, which can reduce the frequency of replacement and maintenance and reduce maintenance costs.

In addition, self-healing power capacitors have relatively small losses and will not be damaged by multiple overvoltage and overcurrent impacts, so their operation stability and reliability are higher.

Self-healing power capacitors have higher performance and reliability than ordinary power capacitors, which can ensure the stable operation of the power system and reduce losses and maintenance costs.

Under what circumstances should self-healing power capacitors be used

It is recommended to use self-healing power capacitors under the following circumstances:

1. It is necessary to improve the power factor of the power system, improve voltage quality, and reduce line losses and transformer losses.
2. Situations where harmonics and clutter signals in the power system need to be suppressed to ensure power quality.
3. Where it is necessary to operate in harsh environments such as high temperature and high humidity for a long time.
4. Situations where the reliability and stability of capacitors are required and stable performance needs to be maintained for a long time.

Under the above circumstances, it is recommended to choose self-healing power capacitors to improve the stability and reliability of the power system and reduce losses and maintenance costs.

What models are there of self-healing power capacitors

There are many types of self-healing power capacitors, some common ones include:

1. BZMJ series self-healing low-voltage shunt capacitors: This series of capacitors are suitable for AC power systems with a frequency of 50Hz or 60Hz as electrical equipment to increase power factor, improve power quality, and save energy and reduce consumption.
2. BSMJ series self-healing low-voltage shunt capacitors: This series of capacitors are made of metallized polypropylene film material, which has self-healing properties and can effectively limit the short-circuit current of internal components.
3. BZMJS series self-healing low-voltage shunt capacitors: This series of capacitors is suitable for low-voltage power distribution systems and has the advantages of small size, long life, and strong anti-harmonic ability.
4. BKMJ series self-healing high-voltage shunt capacitors: This series of capacitors is suitable for high-voltage power systems and can provide large-capacity reactive power compensation, increase power factor and improve power quality.

In addition, there are some other models of self-healing power capacitors, such as BSMJX series, BCSMJ series, etc. Different types of self-healing power capacitors have different characteristics and usage occasions, and should be selected according to specific needs.

What is the price range of self-healing capacitors in China

The price of self-healing capacitors varies depending on factors such as model, specification, brand, and there is no unified standard. Generally speaking, the price of self-healing capacitors ranges from tens to hundreds of yuan.

Take some common self-healing capacitor models as examples, such as:

• Chint Capacitor BZMJ 0.45 reactive power compensation self-healing low-voltage parallel power compensator BSMJ three-phase price is 68.83 yuan;
• The price of Hangzhou Chint Power Transmission and Distribution Equipment Co., Ltd.’s Chint capacitor BZMJ0.45-15-3 is 55.44 yuan;
• The price of TENGEN Tianzheng BSMJ-0.45 three-phase self-healing low-voltage reactive power compensation parallel power capacitor 450V is 45.49 yuan;
• The price of ASMJ self-healing AC filter capacitor 10UF from Zhejiang Yueqing Lechuan Electric Co., Ltd. is 23 yuan;
• The price of Anhui Saifu Capacitor Co., Ltd.’s CBB61 self-healing capacitor 10UF is 3.33 yuan.

What is the price range of self-healing capacitors in the United States

In the United States, the prices of self-healing capacitors also vary greatly, and there is no unified standard. Generally speaking, the price range of self-healing capacitors ranges from tens to hundreds of dollars.

It should be noted that these prices are for reference only, and actual prices may vary due to market supply and demand, purchase volume, promotions and other factors. When choosing a self-healing capacitor, you should comprehensively consider its performance, quality, price and other factors to choose the product with the best price/performance ratio.

Is there a problem with the slightly bulging shell of the self-healing capacitor

Even if the self-healing capacitor shell bulges slightly, it indicates that there may be a problem with the capacitor. It is best to investigate the cause immediately, observe the operating status of the capacitor at all times, and replace it in time.

What are the consequences of a bulging capacitor

1. Reduce capacitor performance

If a self-healing power capacitor bulges, it means that its internal components are damaged or failed, which will not only cause the capacitance value to decay, but also cause the capacitor’s performance to decline.

2. Causing other problems

Bulging capacitors will cause other capacitors to malfunction, and the failure rate will also be greatly increased. If not replaced in time, bulging capacitors may cause short circuits, explosions and other dangerous situations, which in serious cases will pose a serious threat to the company’s economic losses and the personal safety of staff.

Causes of capacitor bulge

1. Long-term over-voltage and over-current operation of self-healing capacitors will cause the temperature of the capacitor to rise seriously, the pressure difference between the inside and outside of the casing to be large, and then the capacitor will suffer from bulging failure.
2. Factors such as excessive operating environment temperature will also cause the capacitor dielectric to age and internal components to fail. These failures will cause gas or expanding substances to be produced inside the power capacitor, causing the outer casing to bulge.

How to avoid capacitor bulge failure

1. Choose high-quality capacitors: When purchasing, you should choose better-quality self-healing capacitor products provided by big brands, which can ensure the reliability of capacitor quality and performance to a certain extent.
2. Use capacitors correctly: The operating temperature and operating voltage of self-healing power capacitors should not exceed the specified range to avoid over-voltage or over-current conditions; daily use and operation must comply with relevant guidelines.
3. Regular inspection and maintenance: Regularly check the status of the capacitor, including appearance, bulging, and monitoring of capacitor performance. Once a capacitor is found to have bulges or other abnormalities, it should be stopped immediately and repaired or replaced.
4. Ensure good ventilation and heat dissipation: Reasonable heat dissipation and ventilation should be considered when the capacitor is running to avoid over-temperature operation.

What are the application scenarios of self-healing capacitors

Self-healing capacitors are widely used in various scenarios of power systems, mainly including the following aspects:

1. Power system reactive power compensation: Self-healing power capacitors can provide large-capacity reactive power compensation, improve the power factor of the power system, improve voltage quality, and reduce line losses and transformer losses.
2. Harmonic suppression: Self-healing power capacitors have a filtering function and can effectively absorb harmonics and clutter signals in the power system to ensure power quality.
3. In the industrial field, self-healing power capacitors can be used for speed control of motors, filtering and power factor correction of power electronic equipment, etc.
4. In the field of information technology, self-healing power capacitors can be used in equipment such as data centers and communication base stations to improve their stability and reliability.
5. In AC power supply, self-healing power capacitors can be used to absorb various noises and interferences to ensure the DC stability of the power supply output.

Self-healing power capacitors are widely used in various fields of power systems, which can improve the stability and reliability of the system, reduce losses, and improve the quality of power supply.

The top 4 well-known self-healing power capacitor manufacturers in the world

Which of the world’s well-known self-healing power capacitor manufacturers are recommended? The world’s most well-known self-healing power capacitor manufacturers include:

1. Germany’s EPCOS/EPCOS AG: It is a world-famous capacitor manufacturer. Its products include electrolytic capacitors, capacitor components, inductors, ceramic capacitors, etc., which are widely used in communications, consumer electronics, industrial automation, and automotive electronics. and other fields.
2. VISHAY/VISHAY Intertechnology of the United States: It is one of the world’s largest passive component manufacturers. Its products include resistors, capacitors, inductors, etc., which are widely used in automobiles, industry, medical, communications and other fields.
3. Japan’s Panasonic/Panasonic Corporation: It is a world-renowned manufacturer of electronic products. Its products include capacitors, batteries, electronic components, etc., which are widely used in home appliances, automobiles, industry and other fields.
4. Samsung/Samsung Electronics of South Korea: It is a world-renowned manufacturer of electronic products. Its products include smartphones, TVs, refrigerators, washing machines, etc. It also produces various electronic components, of which capacitors are one of the important products.

In addition, there are some well-known domestic self-healing power capacitor manufacturers, such as Huawei Electric, Jianghai Co., Ltd., etc.

These manufacturers have high reputation and market share, and their products have certain guarantees in terms of performance, quality, reliability, etc. When selecting a self-healing power capacitor manufacturer, comparison and selection should be made based on specific needs.

X7R capacitors and X5R capacitors are two common insulation compositions of multilayer ceramic chip capacitors.

X7R and X5R capacitor packaging material characteristics

They have different characteristics:

1. X7R capacitor is a strong dielectric, so it can produce capacitors with larger capacity than NPO dielectric.
2. X5R capacitors have a high dielectric constant and are often used to produce large-capacity capacitor products with larger specific volumes and higher nominal capacities.

In practical applications, the performance of X7R capacitors and X5R capacitors are also different:

1. The performance of X7R capacitors is relatively stable. With changes in temperature, voltage and time, its unique performance does not change significantly. It is a stable capacitor material type and is used in DC blocking, coupling, bypass, filter circuits and applications with high reliability requirements. In medium and high frequency circuits.
2. The capacity stability of X5R is slightly inferior to that of X7R. Capacity and loss are more sensitive to test conditions such as temperature and voltage. It is mainly used in oscillation, coupling, filtering and bypass circuits in electronic machines.

In addition, the application temperature range of X7R and X5R is also different. The operating temperature range of X7R is -55℃～+125℃, while the operating temperature range of X5R is -55℃～+85℃.

X7R and X5R packaging materials are widely used in the field of multilayer ceramic chip capacitors. The specific choice of material depends on the actual application requirements.

What are the disadvantages of the X7R and X5R packaging materials

The main disadvantages of X7R and X5R packaging materials are as follows:

1. X7R packaging material: Although X7R has a higher dielectric constant and lower dielectric loss, its capacity stability is poor and is easily affected by test conditions such as temperature and voltage. In addition, the X7R also has lower mechanical strength and reliability.
2. X5R packaging material: X5R has a low dielectric constant and dielectric loss, so its capacity is small and is not suitable for applications requiring high capacity. In addition, the reliability of the X5R is not as high as that of the X7R.

It should be noted that these shortcomings do not mean that the X7R and X5R packaging materials are not available, but that they still need to be improved in some aspects. In practical applications, appropriate packaging materials can be selected according to specific needs.

What are the application scenarios of X7R and X5R packaging materials

The application scenarios of X7R and X5R packaging materials mainly depend on their performance characteristics.

1. X7R packaging material: Because X7R has the advantages of good temperature stability, low dielectric loss, and large capacity, it is suitable for application scenarios that require high temperature changes. In addition, due to its high mechanical strength and reliability, X7R is widely used in various medium and high-frequency circuits in the electronics industry, such as DC blocking, coupling, bypass, filter circuits, etc., especially in some applications with higher reliability requirements. Scenes.
2. X5R packaging material: X5R packaging material has a relatively high dielectric constant, so it is often used to produce large-capacity capacitor products with larger specific volume and higher nominal capacity. Because of its good capacity stability and sensitivity to test conditions such as temperature and voltage, it is mainly used in oscillation, coupling, filtering and bypass circuits in electronic machines. X5R packaging materials are more suitable for applications requiring high frequency applications or high capacity requirements.

X7R and X5R packaging materials are widely used in different application scenarios, and the appropriate packaging materials need to be selected according to specific needs.

What are the insulation dielectric constant and dielectric loss of X7R capacitor and X5R capacitor

The specific values of insulation dielectric constant and dielectric loss of X7R and X5R are as follows:

1. The insulation dielectric constant of X7R is generally between 10,000 and 20,000, while the dielectric loss is less than 2%.
2. The insulation dielectric constant of X5R is generally between 8000 and 15000, and the dielectric loss is less than 3%.

Please note that these values may vary depending on the manufacturer, material composition and manufacturing process. Therefore, when selecting X7R and X5R packaging materials, in addition to paying attention to dielectric constant and dielectric loss, it is also necessary to comprehensively consider their application needs and reliability requirements.

What are the dielectric constants of X7R capacitors and X5R capacitors

The dielectric constants of X7R capacitors and X5R capacitors are 3000 to 6000 and 8000 to 12000 respectively.

Which type of material encapsulates capacitors with better performance

Overall, the X7R capacitor packaging material has better capacitor performance.

1. Temperature stability: X7R has better temperature stability and is suitable for high temperature environments.
2. Capacity stability: X7R has high capacity stability when temperature and voltage change.

However, there are also opinions that the capacitor performance of X5R is better, and the specific choice of packaging material should be determined based on the actual application requirements.

What are the performance indicators of capacitor X7R and capacitor X5R packaging materials

The performance indicators of capacitor X7R and capacitor X5R packaging materials mainly include capacitance, equivalent series resistance (ESR), temperature characteristics, loss tangent value, etc.

1. Capacitance: The capacitance ranges of X7R and X5R capacitors are different and need to be selected according to actual needs.
2. Equivalent Series Resistance (ESR): This is an important parameter to measure the performance of a capacitor. Lower ESR means better performance.
3. Temperature characteristics: The temperature characteristics of X7R and X5R capacitors are different and need to be selected according to actual needs.
4. Loss tangent value: This is a parameter that measures the loss of the capacitor. Lower loss tangent value means lower loss.

Generally speaking, the performance indicators of X7R and X5R packaging materials are relatively similar, but the specific values and ranges are different. When selecting packaging materials, these factors need to be considered based on actual needs.

Which one has greater capacity, X5R capacitor or X7R capacitor

Generally speaking, X7R capacitors have larger capacitances and are suitable for applications requiring higher capacitance values. X5R, on the other hand, has a relatively small capacitance and is more suitable for applications with less stringent capacitance value requirements.

However, some people believe that X5R capacitors have a higher dielectric constant and therefore can store more charges. They are often used to produce large-capacity capacitor products with larger specific volumes and higher nominal capacities. The X7R capacitor is a strong dielectric, so it can produce capacitors with a larger capacity than NPO dielectric. This means that X7R capacitors are more suitable in applications requiring high capacitance.

Therefore, the capacity of X5R capacitors and X7R capacitors is not absolute, and the specific selection needs to be determined based on actual application requirements.

Which one is safer, X7R capacitor or X6R capacitor

Both X7R capacitors and X6R capacitors are safer, but which one is safer needs to be considered from different perspectives.

1. Considering overload protection: X6R has better overload protection performance and can withstand higher voltage and current. Therefore, X6R may be safer for some application scenarios that need to withstand larger transient currents.
2. Considering temperature stability: X7R has better temperature stability and can maintain stable performance in a wider temperature range. Therefore, for some application scenarios that need to work at higher or lower temperatures, X7R may be more suitable. Safety.

To sum up, both X7R and X6R capacitors have high safety. The specific choice of capacitor should be decided based on the actual application requirements. If you need to withstand larger transient currents, you can choose X6R; if you need to work at higher or lower temperatures, you can choose X7R.

What is the difference between the packaging materials of X7R capacitors and X5R capacitors

The main differences between the X7R and X5R packaging materials are their dielectric constant and temperature stability.

1. Dielectric constant: X7R has a strong dielectric, while X5R has a higher dielectric constant. This means that X5R can store more charges, so it is often used to produce large-capacity capacitor products with larger specific capacitance and higher nominal capacity.
2. Temperature stability: X7R capacitor performance is relatively stable. With changes in temperature, voltage and time, its unique performance does not change significantly. It is a stable capacitor material type and is used in DC isolation, coupling, bypass, filter circuits and reliable In medium and high frequency circuits with higher performance requirements. The capacity stability of X5R is slightly inferior to that of X7R. Capacity and loss are more sensitive to test conditions such as temperature and voltage. It is mainly used in oscillation, coupling, filtering and bypass circuits in electronic machines.

X7R and X5R packaging materials are widely used in the field of multilayer ceramic chip capacitors. The specific choice of material depends on the actual application requirements.

What is the price of packaging materials for Capacitor X7R and Capacitor X5R

The prices of X7R and X5R packaging materials are relatively stable, but are affected by many factors and the specific prices will vary. Generally speaking, the price of X7R packaging materials is relatively high, while the price of X5R packaging materials is relatively low.

The following are factors that may affect the price of X7R and X5R packaging materials:

1. Market demand: Market demand is one of the important factors affecting prices. If the market demand is large, the price will rise accordingly; if the market demand is small, the price will fall accordingly.
2. Quality: The prices of X7R and X5R packaging materials of different qualities will also be different. High-quality packaging materials usually have higher performance indicators and more stable performance, so the price is relatively high.
3. Brand: Well-known brands of X7R and X5R packaging materials usually have higher reputation and quality assurance, so the price is relatively high.
4. Supply situation: If the supply of X7R and X5R packaging materials is tight, the price will rise accordingly; if the supply is sufficient, the price will fall accordingly.

To sum up, the prices of X7R and X5R packaging materials are relatively stable, but are affected by many factors. When selecting packaging materials, in addition to considering price factors, it is also necessary to comprehensively consider factors such as performance, quality, brand and supply.

X7R capacitor Vs. X5R capacitor

Application of X7R capacitor and X5R capacitor packaging materials in automotive electronics

Both X7R and X5R packaging materials are used in automotive electronics, but the specific application scenarios are different.

X7R packaging materials are mainly used in power supply, LED, UPS, automotive electronics and other fields. In these fields, high-capacity capacitors are required to provide stable power and signals, as well as high voltage and temperature resistance. The high dielectric constant and stability of the X7R packaging material make it ideal for these applications.

In contrast, X5R packaging materials have relatively few applications in automotive electronics. This is mainly because the X5R packaging material has a low dielectric constant and a small capacity, making it unsuitable for applications requiring high capacity.

To sum up, X7R packaging materials have wider applications in automotive electronics, while X5R packaging materials have relatively few applications. When selecting packaging materials, it is necessary to select the appropriate packaging material based on specific application requirements.

The main difference between capacitors and inductors is their working principle and purpose. Capacitors are mainly used to store electrical energy and play a role in filtering, bypassing and energy storage in circuits; while inductors store magnetic energy by establishing a magnetic field and are mainly used in AC applications such as televisions and radios.

Overview of the Differences Between Capacitors and Inductors

Capacitors and inductors are two important components in electronic components. They play different roles in circuits and have unique working principles and characteristics.

As a component manufacturer, we have an in-depth understanding of the differences and characteristics of capacitors and inductors, and can provide customers with more accurate selection suggestions and technical support.

This article will explain the differences between capacitors and inductors in detail to help readers better understand and apply these two components.

The difference between the definitions and working principles of capacitors and inductors

1. Capacitor: A capacitor is a component that can store electric charge. It consists of two mutually insulated conductor plates filled with dielectric in between. When a voltage is applied across the capacitor, charges accumulate on the conductor plates, forming an electric field that stores electrical energy. The capacitance of a capacitor is expressed in the unit Farad (F), which determines the capacitor’s ability to store charge.
2. Inductor: An inductor is a component that can store magnetic energy. It is made of coils. When current flows through the inductor, a magnetic field is generated within the coil, thereby storing magnetic energy. The size of an inductor is expressed in the unit Henry (H), which determines the inductor’s ability to store magnetic energy.

Analysis of the differences between capacitors and inductors

1. Working principle: Capacitors store electrical energy by storing electric charge, while inductors store energy by storing magnetic energy. These two energy storage methods have different physical properties and application scenarios.
2. Frequency response: Capacitors are more sensitive to high-frequency signals, while inductors are more sensitive to low-frequency signals. This is because capacitors have less impedance at high frequencies, while inductors have greater impedance at low frequencies.
3. Impedance characteristics: The impedance of a capacitor is inversely proportional to frequency, while the impedance of an inductor is directly proportional to frequency. This means that at low frequencies, the impedance of the capacitor is larger and the impedance of the inductor is smaller; at high frequencies, the opposite is true.
4. Charge and discharge characteristics: Capacitors have fast charge and discharge characteristics, while the charge and discharge process of inductors is relatively slow. This makes capacitors more suitable for applications that require fast response, such as filtering, coupling, etc.; while inductors are suitable for applications that require smooth current or energy storage.
5. Application fields: Since capacitors and inductors have different working principles and characteristics, their application fields in practical applications are also different. Capacitors are widely used in power supply filtering, signal coupling, oscillation circuits and other fields; while inductors are often used in power supply filtering, power factor correction, transformers and other fields.

Capacitor and inductor selection and application recommendations

1. Selection suggestions: When selecting capacitors or inductors, comprehensive considerations need to be made based on the actual circuit requirements and performance indicators. For example, where fast charge and discharge are required, capacitors with low internal resistance and high charge and discharge speed should be selected; where smooth current is required, inductors with larger inductance and lower DC resistance should be selected.
2. Application suggestions: In practical applications, the combined use of capacitors and inductors can achieve optimal circuit design. For example, in a power supply filter circuit, using both a capacitor and an inductor can more effectively filter out high-frequency noise and ripple in the power supply; in an oscillation circuit, oscillation signals of different frequencies can be achieved by adjusting the parameters of the capacitor and inductor. output.

Conclusion on the difference between capacitors and inductors

Through the detailed explanation of this article, we can clearly see the significant differences between capacitors and inductors in terms of working principles, frequency response, impedance characteristics, charge and discharge characteristics, and application fields.

As a component manufacturer, we hope to help engineers better understand and apply these two important electronic components by providing accurate technical information and selection suggestions.

In the future technological development, we will continue to pay attention to the research progress and application innovation of capacitors and inductors, and provide customers with better products and services.

The chemical element composition of the capacitor mainly includes metal electrodes and electrolytes. Metal electrodes usually use metal materials with good electrical conductivity such as aluminum and tantalum, while electrolytes choose different types of dielectric materials according to different application requirements.

The working principle of capacitors is mainly based on the storage and release of electric charge. When a voltage is applied between the two plates of the capacitor, the charge will be distributed on the two electrode plates of the capacitor, forming an electric field. When the voltage is removed, the charges are redistributed, creating a reverse electric field. This process is the charging and discharging process of the capacitor.

During the charging and discharging process of the capacitor, electrical energy will be converted into other forms of energy, such as thermal energy or mechanical energy. Therefore, capacitors play a role in storing and transmitting energy in circuits and are widely used in various electronic devices.

What are the chemical elements of a capacitor?

The chemical element composition of the capacitor mainly includes metal electrode materials and electrolyte materials.

1. Metal electrode material: Metals with high conductivity are usually selected, such as aluminum, tantalum, etc. These metals are treated with special chemicals to form extremely thin metal foils, thereby increasing the surface area of the electrode and improving the energy storage density of the capacitor.
2. Electrolyte material: This is another important component in the capacitor. Its function is to form a conductive path between the two electrodes. Depending on the type of electrolyte, capacitors can be divided into many types, such as electrolytic capacitors, ceramic capacitors, plastic film capacitors, etc. The electrolyte can be liquid, solid or gel, and its chemical composition determines the performance parameters of the capacitor, such as capacitance, operating voltage, temperature coefficient, etc.

In addition, packaging materials are also an important part of capacitors. They are mostly plastics or ceramics with good insulation and mechanical strength. The choice of packaging material also affects the performance and service life of the capacitor.

Analysis of the chemical element composition and working principle of capacitors

introduction

Capacitor, as a basic component in electronic circuits, has the characteristics of storing electrical energy and regulating the voltage and current in the circuit. This article will deeply analyze the nature of capacitors from the aspects of chemical element composition and working principle, in order to help readers better understand the basic knowledge of this electronic component.

The chemical composition of capacitors

Electrode materials

The main component of a capacitor is the electrode, whose material is usually made of highly conductive metals, such as aluminum, tantalum, etc. These metals are treated with special chemicals to form extremely thin metal foils, thereby increasing the surface area of the electrode and improving the energy storage density of the capacitor.

Electrolytes

The electrolyte is another important component in a capacitor, and its role is to form a conductive path between the two electrodes. Depending on the type of electrolyte, capacitors can be divided into many types, such as electrolytic capacitors, ceramic capacitors, plastic film capacitors, etc. The electrolyte can be liquid, solid or gel, and its chemical composition determines the performance parameters of the capacitor, such as capacitance, operating voltage, temperature coefficient, etc.

Packaging materials

In order to protect the internal structure of the capacitor and facilitate its use, packaging materials are usually added to the outside. The packaging materials are mostly plastic or ceramic, which have good insulation and mechanical strength. The choice of packaging material also affects the performance and service life of the capacitor.

Analysis of the working principle of capacitors

Energy storage principle of capacitor

When a voltage is applied across the capacitor, the charges on the electrodes will move into the electrolyte under the action of the electric field force, forming a charge layer opposite to the applied voltage. This process allows the capacitor to store electrical energy. Capacitance is an important parameter that measures the ability of a capacitor to store electrical energy, and its unit is usually Farad (F). The size of the capacitance depends on factors such as the conductivity of the electrode material, the composition of the electrolyte, and the distance between the electrodes.

The charging and discharging process of capacitor

When the applied voltage changes, the capacitor will undergo a charge and discharge process. During the charging process, the applied voltage gradually increases, causing the charge on the electrode to continue to increase until an equilibrium state is reached. At this time, the voltage across the capacitor is equal to the applied voltage, and the energy stored in the capacitor reaches its maximum value. During the discharge process, the applied voltage gradually decreases or disappears, and the charge on the electrode is gradually released through the load in the circuit until the voltage across the capacitor drops to zero. This process realizes the conversion and transmission of electrical energy.

Frequency characteristics of capacitor

Due to the energy storage and discharge functions of capacitors in circuits, they have specific frequency characteristics. For high-frequency signals, the capacitor has a small impedance and can be used as a bypass component in the circuit; while for low-frequency signals, the capacitor has a large impedance and can be used as a DC-blocking component in the circuit. This frequency characteristic makes capacitors widely used in electronic circuits.

Conclusion and Outlook

This article provides an in-depth analysis of capacitors from two aspects: chemical element composition and working principle. By understanding the composition materials and energy storage principles of capacitors, we can better understand their role and application in electronic circuits. In the future, with the continuous advancement of science and technology and the emergence of new materials and new processes, the performance and types of capacitors will become more diverse. This will bring more choices and possibilities in the design and manufacturing of electronic circuits.

Is there any relationship between capacitor packaging material and temperature?

There is a certain relationship between capacitor packaging materials and temperature.

First, the choice of packaging material will affect the temperature resistance of the capacitor. Different packaging materials have different thermal expansion coefficients and thermal conductivity properties, which will affect the temperature range and service life of the capacitor. For example, some capacitors encapsulated in metal shells have good high temperature resistance, while some capacitors encapsulated in plastic shells may be affected by high temperatures and cause deformation or aging.

Secondly, the thermal conductivity of the packaging material will also affect the temperature stability of the capacitor. If the thermal conductivity of the packaging material is poor, the heat generated by the capacitor during operation may not be transferred out in time, causing the internal temperature of the capacitor to rise, thereby affecting its performance and service life.

In addition, the insulation properties of the packaging material will also affect the temperature resistance of the capacitor. If the insulation performance of the packaging material is poor, the capacitor may be affected by the external environment during operation and cause problems such as leakage or short circuit, thus affecting its temperature resistance and service life.

To sum up, there is a certain relationship between capacitor packaging materials and temperature. Choosing the appropriate packaging material can ensure the temperature resistance and service life of the capacitor. At the same time, when using capacitors, you also need to pay attention to factors such as its working environment temperature and service life to avoid affecting its performance and service life due to too high or too low temperature.

What are the effects of capacitor packaging materials and packaging processes?

The packaging material and packaging process of the capacitor have an important impact on its performance and service life.

First, the choice of packaging materials affects the electrical properties, mechanical properties and environmental adaptability of the capacitor. For example, metal packaging materials have good thermal and electrical conductivity, which can effectively protect the internal structure of the capacitor and improve its electrical and mechanical properties. Plastic packaging materials have the advantages of low cost, light weight, and corrosion resistance, but their mechanical strength and electrical properties are relatively poor.

Secondly, the packaging process will also affect the performance and service life of the capacitor. Different packaging processes will lead to differences in the size, weight, electrical performance and mechanical properties of capacitors. For example, the leaded packaging process has higher production efficiency and lower cost, but the capacitor is larger and may have larger parasitic inductance problems in high-frequency circuits. The chip packaging process can make the capacitor smaller, lighter, and have smaller parasitic inductance, making it more suitable for use in high-frequency circuits.

In addition, the packaging process also affects the reliability of the capacitor. For example, during the welding process, if the welding is poor or the welding time is too long, it may cause damage to the internal structure of the capacitor or reduce its performance. At the same time, during the assembly process, if the assembly is improper or inappropriate fasteners are used, the capacitor may also become loose or damaged.

To sum up, the packaging materials and packaging processes of capacitors have an important impact on their performance and service life. When selecting packaging materials and packaging processes, comprehensive considerations need to be made based on specific application scenarios and needs to ensure the optimal performance and service life of the capacitor.

Is there any relationship between capacitor packaging material and frequency?

There is a certain relationship between capacitor packaging materials and frequency.

First, different packaging materials have different electrical performance parameters such as dielectric constant and loss tangent value. These parameters will affect the equivalent series resistance (ESR) and equivalent series inductance (ESL) of the capacitor, thereby affecting the frequency response characteristics of the capacitor.

Secondly, the packaging process will also affect the frequency response characteristics of the capacitor. For example, the parasitic inductance of the lead-type packaging process is larger, while the parasitic inductance of the patch-type packaging process is smaller. These parasitic inductances will affect the frequency response characteristics of the capacitor, causing its performance to degrade in high-frequency circuits.

In addition, packaging materials and processes can also affect the stability of the capacitor. For example, some metal-cased capacitors may be affected by oxidation or corrosion in high-temperature environments, resulting in a decrease in their electrical performance. Some capacitors encapsulated in plastic shells may be affected by temperature changes and cause problems such as aging or deformation.

To sum up, there is a certain relationship between capacitor packaging materials and frequency. When selecting a capacitor, comprehensive considerations need to be made based on specific application scenarios and needs to ensure that the frequency response characteristics and stability of the capacitor are optimal.

Top 10 capacitor manufacturers and suppliers in China

Fujian Torch Electronic Technology Co., Ltd.

Torch Electronics is an enterprise focusing on the R&D, manufacturing, sales and service of capacitors. The company was established on December 20, 2007 and is headquartered in Fuzhou City, Fujian Province.

Torch Electronics’ capacitor products are widely used in aviation, aerospace, shipbuilding, communications, electric power, rail transportation, new energy and other fields. In addition, the company also has 7 wholly-owned subsidiaries and 2 holding subsidiaries, mainly engaged in capacitor R&D, manufacturing, sales and service.

In terms of technology, Torch Electronics has advanced technology and R&D capabilities, and its products are popular for their leading technology and reliable quality. In addition, the company also focuses on marketing concepts and service follow-up, and is committed to pursuing multi-win situations to meet customer needs.

Nantong Jianghai Capacitor Co., Ltd.

Nantong Jianghai Capacitor Co., Ltd. is an enterprise mainly engaged in the production, sales and service of capacitors, their materials and accessories. The company was founded in 1958 and began specializing in the production of aluminum electrolytic capacitors in 1970. The company currently occupies an area of 120,000M2, with a building area of 60,000M2, more than 1,200 employees, and five joint venture affiliated companies. It is a national high-tech enterprise and a key enterprise of the National Torch Plan-Tongzhou Electronic Components and Materials Industry Base.
In terms of products, the aluminum electrolytic capacitors of Nantong Jianghai Capacitor Co., Ltd. have excellent self-healing characteristics, high reliability, and high cost performance. They are widely used in industrial controllers, various power supplies, new energy, white goods, military industry and other fields. . In addition, the company’s metallized film capacitors have the characteristics of small equivalent series resistance, large ripple current tolerance, self-healing, good safety features, and long service life. They are widely used in power electronics, new energy, and military industries. and other fields.
In terms of honors, Nantong Jianghai Capacitor Co., Ltd. has been selected as one of the top 100 enterprises in China’s electronic components industry selected by the China Electronic Components Industry Association for many consecutive years. In addition, the company has ranked first in the domestic aluminum electrolytic capacitor industry in terms of sales revenue since 1993. In September 2010, it was listed on the SME Board of the Shenzhen Stock Exchange.
Nantong Jianghai Capacitor Co., Ltd. has rich experience and good performance in the field of capacitors, and is a capacitor supplier worth considering.

Aihua

Aihua Capacitor Co., Ltd. is a company specializing in the production and sales of aluminum electrolytic capacitors. It has a complete industrial chain from corrosion foil, chemical foil to aluminum electrolytic capacitors, and independently develops a capacitor quality management software system. The company is committed to providing high-quality aluminum electrolytic capacitors to the world. After years of development, the company continues to improve and develop new products, and its independent innovation capabilities continue to increase.

Fara Electronics

Xiamen Fara Electronics Co., Ltd. is a listed company specializing in the development and production of film capacitors and metallized films for film capacitors. The company has a strong R&D center and an experienced technical service team, with an annual output of 4.5 billion film capacitors and 2,500 tons of metallized films. The company’s products are widely used in communications, home appliances, lighting, automobiles, industrial control and other fields, and have passed ISO9001 quality system certification, ISO14001 environmental management system certification, and OHSAS18001 occupational health and safety management system certification.

Shenzhen Jinpenghui Technology Co., Ltd.

Shenzhen Jinpenghui Technology Co., Ltd. is a high-tech company integrating R&D and sales, located in Shenzhen, Guangdong Province. The company mainly sells Zhaoqing emerald electrolytic capacitors, emerald capacitors, BERYL electrolytic capacitors, KFSON capacitors, Kangfusong electrolytic capacitors, solid electrolytic capacitors, solid capacitors and other products. These products are widely used in LED light driving power supplies, electronic energy-saving lamps and ballasts, stage amplifiers, vehicle electronic equipment, computer motherboards, security products, inverters, network communications, medical equipment power supplies, UPS and other fields.

Fenghua Hi-Tech

Guangdong Fenghua High-tech Co., Ltd. is a company specializing in the development, design, manufacturing and sales of electronic components and materials, and integrated circuits. Its products are widely used in communications, consumer electronics, computers, automotive electronics, new energy and other fields.
One of the largest manufacturers of passive electronic components in China, its main products include capacitors, resistors, inductors, etc.

Beijing Yuanliu Hongyuan Electronic Technology Co., Ltd.

Beijing Yuanliu Hongyuan Electronic Technology Co., Ltd. is a high-tech enterprise of electronic components mainly engaged in the development, production and operation of multi-layer (chip) ceramic capacitors. The company is headquartered in Fengtai Science and Technology Park, Zhongguancun, Beijing, and its production base is built in Jinnan Shuanggang Economic Development Zone, Tianjin.
For many years, the company has been committed to the R&D and production of multilayer ceramic capacitors. It has a complete multilayer ceramic capacitor production line and has routine experiments, destructive physical analysis (DPA) and material (chip) electrical and process performance certification. Three key laboratories and a number of domestic and foreign advanced equipment and facilities provide a strong guarantee for ensuring product quality.

Tongfeng Electronics

Anhui Tongfeng Electronics Co., Ltd. (hereinafter referred to as: Tongfeng Electronics) is a company engaged in the research, development, production and sales of film capacitors and film materials. It has advantages in technology and research and development, integrated industrial chain, and brand.

Three-Circle (Group)

Chaozhou Three-Circle (Group) Co., Ltd. was established in 1970 and listed on the Shenzhen Stock Exchange in 2014 (stock code: 300408). It is a company dedicated to the research and development, production and sales of electronic basic materials, electronic components, communication devices and other products. comprehensive enterprise. The company’s products cover many application fields such as optical communications, electronics, electrical engineering, machinery, energy conservation and environmental protection, new energy and fashion. Among them, the production and sales of optical fiber connector ceramic ferrules, alumina ceramic substrates, and ceramic substrates for resistors rank among the top in the world. The company has been rated as a national technology enterprise and a single champion demonstration enterprise in China’s manufacturing industry. It has been ranked among the top ten of China’s top 100 electronic components for many consecutive years.

Yageo

Yageo Co., Ltd. is the world’s leading brand of passive components. Founded in 1977, it is Taiwan’s first listed electronic components company. Yageo Electronics (Suzhou) Co., Ltd. is a wholly-owned subsidiary of Yageo Co., Ltd. in China. It was registered and established in March 2001. The company’s business scope includes the production of electronic components, new electronic components, new instrument circuit boards, etc.

In addition, Yageo Co., Ltd. has also launched products such as tantalum nitride films and high-precision resistors with anti-humidity and anti-sulfur properties.

Yageo Co., Ltd. was founded in 1977. It is the largest supplier of passive components in Taiwan and the largest professional capacitor manufacturer in the world. It is Taiwan’s first listed passive component and is an international enterprise with global production and sales bases.