MKP385327125JFM2B0

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Film capacitors, also known as plastic capacitors, are capacitors that use an organic film as the dielectric. These capacitors are constructed by wrapping a thin film around a spindle and then axially winding the electrodes with multiple layers to increase their capacitance. The most common organic dielectric used is polyester, also known as Mylar, though polypropylene (PP) and polystyrene (PS) are also used. The MKP385327125JFM2B0 is a polyester film capacitor which is designed for use in AC high pulse and coupling applications.

Application Field

The MKP385327125JFM2B0 is ideally suited for a wide range of applications due to its excellent voltage and current handling capabilities. It can be used in AC high pulse applications such as arc welding machines, automotive inverters, power controllers, AC and DC choppers, and brushless motor controllers. It is also suitable for coupling and decoupling circuits, as well as oscillating circuits, due to its high frequency and low-loss characteristics. Additionally, this capacitor has a very low leakage current and excellent low temperature performance, making it ideal for the automotive industry.

Working Principle

Film capacitors work on the same basic principle as any other capacitor, in that they store and release electrical charge. When a voltage is applied across the capacitor, an electric field is created between the two electrodes which causes electrons to move through the dielectric and store an electric charge. This stored charge creates an electrostatic field, which opposes further changes in electric potential. When the voltage is removed, the stored charge is released back into the circuit. The MKP385327125JFM2B0 has a high dielectric strength and excellent capacitance stability over time, delivering excellent performance in high-voltage AC and pulse applications.

Key Features

The MKP385327125JFM2B0 is a radial-leaded polyester film capacitor which offers excellent voltage and surge handling capabilities, affording excellent performance in high voltage applications. It also features a large capacity range from 2.2 µF to 10 µF, a low ESR (< 0.2Ω) and low leakage current, offering low temperature performance as well. The capacitor is rated for a dielectric voltage up to 600V and is available in three case sizes of 10.2, 15.3 and 18.4mm.

Conclusion

The MKP385327125JFM2B0 is a polyester film capacitor designed for use in high voltage AC and pulse applications. It has excellent voltage and surge handling capabilities, as well as a large capacity range, making it ideal for multiple high voltage applications including arc welding machines, automotive inverters and power controllers. Additionally, this capacitor has a low ESR and low leakage current, allowing it to deliver excellent performance in low temperature applications.

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