QXK2E473KTP7FG

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Film Capacitors

A film capacitor, otherwise known as a plastic or film dielectric capacitor, is a capacitor that uses a thin plastic film as the dielectric, sometimes combined with paper as the electrical insulator. It is made of metal layers deposited on either side of the dielectric layer, which may be referred to as a single layer film or a double layer film.

For the QXK2E473KTP7FG application field and working principle, the film capacitor is widely used in electric circuits for different applications, including bypass and decoupling capacitors, DC-DC converters, wave shapers, high voltage capacitors, and AC coupling capacitors. It is selected for specific uses due to its excellent electrical and mechanical properties, such as low ESR, low distortion, high peak current rating, low inductance, good temperature stability, and a wide working voltage range.

The QXK2E473KTP7FG film capacitor uses a polyester film as the dielectric which is sandwiched with two metallic layers that serve as the electrodes. The metal layers are most commonly made of zinc or aluminum. The polyester film provides good dielectric insulation and minimal mechanical stress. This makes the capacitor highly reliable and resistant to thermal cycling and solvent attack.

The working principle of the QXK2E473KTP7FG is based on the electrical properties of two parallel metal plates separated by a dielectric. The device functions as an electrical energy storage element, meaning that it can store energy when a voltage is applied across it, causing an electric field to form within the dielectric material.

The amount of energy stored is proportional to the capacitance. The capacitance is a function of the distance between the two metal plates, as well as the permittivity and thickness of the dielectric material. Because the QXK2E473KTP7FG is a non-polarized capacitor, it also has the advantage of being able to store energy in both directions.

The QXK2E473KTP7FG film capacitor is a specialized device designed for a wide range of applications, including AC and DC coupling, power supplies, high voltage capacitors, and DC to DC converters. It is a highly reliable device due to its solid construction and good dielectric insulation. Its low ESR, low distortion, and good temperature stability make it suitable for a wide range of applications.

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