MKP385420100JII2B0

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Film Capacitors

Film capacitors, or plastic film capacitors, are high-performance capacitors consisting of one or more plastic films as electrodes, a medium material dielectric, an insulator sleeve, and two or more lead wires. MKP385420100JII2B0 is a well-known type of film capacitor. This article will discuss the application fields and working principle of the MKP385420100JII2B0.

Application fields

The MKP385420100JII2B0 is mainly used as a power supply component in radio receivers, TV sets, and various electrical and electronic equipment. Since its capacitance and insulation feature are highly stable, it can be used in key components such as voltage regulator. Compared to traditional ceramic capacitors, film capacitors has better performance in high temperature, high frequency, and voltage stability.

Working principle

Film capacitors consist of a flexible film as the dielectric between two electrodes. An insulator sleeve is mounted on the film to shield and prevent electrical breakdown. The size of the gap between the electrodes is very small. When a voltage is applied across the electrodes, electric field lines develop between them. This electric field intensity increases with the increase of voltage, and current also start to flow. But because of the insulation film in the gap, the current will gradually decrease, and so does the electric field intensity, which makes the capacitor behaves as passive components.

Conclusion

MKP385420100JII2B0 is a type of film capacitor with wide application fields. It is mainly used in radio receivers, TV sets, and electronic or electrical equipment. The working principle of film capacitors is also quite simple, which is to use an insulating film to set up an intense electric field between two electrodes and reduce the current flow.

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