MKP385420040JF02W0

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Film Capacitors

Film capacitors often referred to as film dielectric capacitors, use a thin plastic film as the dielectric. The two plates of the capacitor are embedded in this film, and then the plastic film is rolled up into a small can to keep moisture and other corrosive agents out. This type of capacitor offers very good performance in terms of surge, noise reduction, and stability.

MKP385420040JF02W0 Application Field and Working Principle

MKP385420040JF02W0 is a three-plate film capacitor with a variety of uses in electronics applications. This type of capacitor is often used in filtering and bypass applications due to its superior high frequency performance. The capacitor consists of two metal electrodes sandwiched between two dielectric layers. The metal electrodes are commonly made from aluminum, which is electroplated with zinc. The dielectric layers are typically made from polyester or polypropylene, but other materials such as Mylar may also be used.

When a voltage is applied across the capacitor, it stores a charge on the surfaces of the metal electrodes. This charge is stored as a static electric field between the two dielectric layers. This stored charge causes a capacitance between the plates, and this capacitance is what gives film capacitors their ability to store energy. The amount of energy stored depends on the thickness of the dielectric layers, as well as the size and number of the metal electrodes.

The capacitance values of film capacitors range from less than 1 nanofarad (nF) to as much as 2,000 microfarads (µF). The values may vary depending on the type of film capacitor and the application it is used in. MKP385420040JF02W0 offers excellent high frequency performance, surge capability, and reliable stability.

Film capacitors are widely used in a variety of electronic applications, such as electronic filters, power factor correction, and high voltage DC/AC links. The capacitor is also commonly used in cars, microwave ovens, home appliances, and other industrial applications. The capacitor is highly reliable and is available in a variety of sizes and voltage ratings, making it an ideal choice for a wide range of applications.

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