MKP385612025JPM2T0

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Film Capacitors

A film capacitor, also known as a plastic film capacitor, is a capacitor that uses a film as the dielectric. Film capacitors are commonly used in electronic circuits due to their low tolerance and wide operating temperatures. The most common type of film capacitor is the polyester film capacitor, also known as PET. Other common types are polycarbonate (PVC), polystyrene (PS) and polypropylene (PP).

MKP385612025JPM2T0 application field and working principle

The MKP385612025JPM2T0 is a non-metallic plastic film capacitor, designed to provide stable, reliable performance in broad frequencies and high-temperature environments. The capacitor is available in a wide range of standard and non-standard sizes, so it can be used in a variety of applications such as industrial, automotive, audio, and military. The capacitance of these capacitors varies from 0.08 microFarads to several thousand microFarads.

The MKP385612025JPM2T0 is a polyester or PET capacitor that features extremely low ESR, robust insulation, a superior temperature range of -55°C to +125°C and a high voltage rating of 2.5kV. The film capacitor is constructed from metallized polyester film and a polyester dielectric. The capacitor features two polar terminals for easy installation, and a unique plastic molding to provide extra protection against corrosion and oxidation.

The working principle of this plastic film capacitor, depending on the type, involves the use of metallized or unmetallized plastic film between two conductive electrodes. When a voltage is applied across the electrodes, an electrical charge is stored between the electrodes, resulting in a charge-transfer and capacitance. This stored charge is kept from leaking out due to the dielectric material, which acts as an insulator. The capacitance of the capacitor can be adjusted by changing the distance between electrodes and the dielectric material.

The MKP385612025JPM2T0 offers a range of advantages such as low cost, low leakage current, low dielectric absorption, excellent insulation resistance, low ESR, and a smooth voltage response. The use of the MKP385612025JPM2T0 is ideal in frequency systems that require a low ESR and reliability, such as military and sensitive equipment applications.

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