940C8W1K-F

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Film Capacitors

Film capacitors are a type of capacitor made from thin plastic films impregnated with ceramic powder. Using a combination of thin plastic films and ceramic powder allows film capacitors to have superior electrical characteristics and work in a wide range of high temperature, high frequency and high voltage applications. The 940C8W1K-F is a type of film capacitor which has been designed specifically for use in power electronics and high-frequency applications. In this article, we will discuss the application field and working principle of the 940C8W1K-F.

Application Field

The 940C8W1K-F is designed for high power electronics applications, such as filtering or blocking in power supplies and motor drives. It can also be used in high-voltage applications such as switch-mode power supplies and EMC filters. The 940C8W1K-F has a high ripple current rating and can handle high temperatures up to 105°C. It is available in a variety of case sizes, with capacitance values ranging from 0.1µF to 220µF, making it an ideal choice for a wide range of applications.

Working Principle

A film capacitor works by using thin plastic films, such as polypropylene or polyester, to separate two conductive plates. This arrangement forms a dielectric barrier that prevents electricity from passing through. The ceramic powder impregnated into the plastic films enhances the capacitance of the device. When a voltage is applied across the two plates, an electric field is created and this causes the plates to attract each other, building an electric charge. This charge is stored in the device until the voltage is removed, at which point the stored energy is discharged. The 940C8W1K-F is designed to handle high ripple currents and is therefore capable of withstanding higher voltage and temperature extremes than traditional capacitors.

Conclusion

The 940C8W1K-F is a film capacitor designed specifically for use in high power electronics applications. It has a high ripple current rating, is available in a variety of case sizes, and can handle high temperatures up to 105°C. Its working principle is based on thin plastic films and ceramic powder, which create a dielectric barrier that prevents electricity from passing through and stores energy when a voltage is applied. This makes it an ideal choice for power electronics, high frequency and high voltage applications.

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