MKP385420040JC02Z0

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Film capacitors, also known as plastic film capacitors, are passive electronic components. As their name suggests, their dielectric material is a plastic film, layers of metal electrodes are deposited on two sides of the plastic film, and the capacitor is sealed in a metal shell or plastic casing. The MKP385420040JC02Z0 is a film capacitor product that has a wide range of applications and a versatile working principle.

The MKP385420040JC02Z0 is a metalized plastic film capacitor. The metalized film has an extremely uniform surface, which has a direct effect on the parameters and quality of the capacitor. It has a wide range of uses, including high voltage resistance, high frequency, high insulation, and low losses. Its features are comparable to those of paper capacitors, but its reliability is much higher than that of paper capacitors. It is widely used in electronic ballasts, AC and DC motor amplifiers, surge suppressors, and by-passes and so on.

The MKP385420040JC02Z0 works using a polyester film dielectric. This thin film is normally encapsulated with metal layers on both sides which then form the plates of the capacitor. The physical configuration and design of the capacitor determines the working voltage of the capacitor. In this particular case, the capacitor is rated for a voltage of 630V and the dielectric films used are 0.5 to 3.5μm in thickness. The electrode material for this film capacitor is aluminum.

The working principle of the MKP385420040JC02Z0 involves two separate and distinct phenomena. The first is the dielectric polarization of the film. When the voltage is applied to the capacitor, the electrons in the film move towards the positive electrode, leaving the negative electrode with a higher electron density. This results in an electric field that is draped across the film and encapsulated by the electrodes. This electric field is what allows the capacitor to store the charge.

The second phenomenon is the capacitance. The capacitance of the capacitor is directly proportional to the surface area of the electrodes and the thickness of the dielectric material between them. As the voltage across the capacitor increases, the dielectric polarization increases, resulting in a larger capacitance. The breakdown voltage is determined by the maximum electric field that can be supported by the dielectric before it breaks down.

In conclusion, the MKP385420040JC02Z0 is a film capacitor that can be used in a variety of applications. Its main features are excellent high-voltage resistance, high-frequency characteristics, high insulation resistance and low losses. Its working principle involves two distinct phenomena: dielectric polarization and capacitance. This versatile and reliable film capacitor is an excellent choice for many different projects.

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