MKP385239200JFM2B0

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Film Capacitors

Film capacitors (MKP385239200JFM2B0) are capacitors which are built using a thin plastic film as the dielectric. Film capacitors are widely used for a variety of applications due to their low cost, small size, high capacitance, and wide frequency range.

Application field

Film capacitors can be found in a wide range of consumer electronics, including televisions, radios, computers, and other consumer audio and video units. They are also used in industrial applications, such as motor controls, power supplies, automated manufacturing equipment, electric and electronic test equipment, electronic and ferro-resonant transformers, and more.

The robust design of film capacitors makes them suitable for use in high temperature applications. For this reason, they are often used in automotive and military applications, as well as in instrumentation. They are also used in many other applications, such as audio, digital, medical and power electronics.

Working Principle

Film capacitors are composed of an aluminium foil electrode material that is insulated using a thin plastic film, such as polypropylene, polyester, and polystyrene. The two electrodes are linked together by an external connection strip, and the assembly is sealed with epoxy resin or a plastic moulded case.

As with other types of capacitors, the capacitor’s capacitance is determined by its size, the area of the facing plates, and the type of dielectric media between them. The thinness of the plastic film means that film capacitors generally offer a higher capacitance to volume ratio than other types of capacitors. This makes them ideal for applications where space is a premium, such as in portable electronics.

Film capacitors are generally polarized capacitors, meaning that they have positive and negative terminals and will only conduct in one direction. This is due to their internal construction, which relies on the dielectric material’s dipole density, or its ability to resist electric field polarization.

Conclusion

The MKP385239200JFM2B0 film capacitor is a versatile, small capacitance device with a wide range of applications. Its robust designs and high capacitance to volume ratio make it suitable for use in many applications, including automotive and military applications, audio, digital, medical, and power electronics.

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