890334023025CS

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Film Capacitors

Film capacitors are a type of electrical component made of plastic film, often polyester or polypropylene. Film capacitors can be used for a wide range of applications and provide advantages over other capacitor types. The most popular use is for low voltage, high frequency switching and other general purpose applications.

CS application field

The CS film capacitor has a wide range of applications, from communication equipment to inverters. It is typically used as a coupling capacitor, filter capacitor, and DC blocking capacitor. The CS film capacitor is designed for operating in low voltage, high frequency applications, and is highly effective in applications involving fast switching, such as pulse transformer circuits.

Working principle

Film capacitors are used in many applications to store electrical energy and for coupling, filtering, and DC blocking. They store energy by charging two or more conductive films separated by an insulating layer. When the capacitor is connected to an electrical circuit, the two films are charged up with opposite charges. The capacitance of the CS film capacitor is determined by the area of the films, the distance between them and the dielectric strength of the insulating layer.

The CS film capacitor also features low resistive losses and a low self-inductance, allowing it to be used at higher frequencies than other capacitor types. Its low ESR and ESL also helps reduce harmonics and therefore contributes to more efficient power conversion.

Conclusion

In conclusion, the CS film capacitor is a versatile electrical component that can be used for a wide range of applications, from high voltage to high frequency switching. Its properties of low resistive losses and low self-inductance make it an ideal choice for high frequency applications where low power dissipation is needed. It is also suitable for use in high voltage applications where high voltage breakdown is required.

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