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Film capacitors

B32654A0474J000 film capacitors are metallized-plastic film capacitors that are used for power correction and frequency compensation. This type of capacitor has a wide range of applications, including power supplies, filtering, and decoupling. It is also used to reduce motor noise and to improve circuit transmission and signal integrity. The capacitor offers excellent electrical characteristics, such as high stability, low inductance, low capacitance, and high dielectric strength.

Application field

B32654A0474J000 film capacitors are used mainly in power electronic products. The device offers high energy density, high surge current capability, and low electrical loss that makes it suitable to use it in various applications. For example, these capacitor is suitable for power supplies and line frequencies correction, high-power battery packs, and high-power differential signal networks.

They are also popularly used in various communication systems, such as base-stations and long-distance communication systems. Other applications of the B32654A0474J000 film capacitor include energy storage, non-linear breakdown, high-voltage switching circuits, multiplexers, power line EMI filters, and sound recording equipment. Overall, its application field includes power electronics, communication systems, industrial control systems, sensing, and high-frequency power systems.

Working principle

A film capacitor consists of a dielectric film sandwiched between two metal plates called electrodes. In the B32654A0474J000 capacitors, the dielectric film is made up of precious metal electrodes and a plastic film. When an electrical charge is applied, the plastic film charges and stores electrical energy, resulting in capacitance.

When alternating current is applied, the electrons of the other plates move towards the positively charged plate, creating an electric field between the two plates. This electric field is used to store the electrical charge in the capacitor. The capacitance decreases as the frequency of the current increases and rises with a decrease in frequency. This characteristic of the capacitor is used in a variety of frequency shaping circuits.

Conclusion

B32654A0474J000 film capacitors are popularly used in the power electronics and communications system field. The advantages of this type of capacitor include excellent energy density, low loss and high surge current capabilities. Its feature of capacitance modulation with frequency makes it suitable for many applications that require filtering and power correction.

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