MKP385530040JKP2T0

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Film capacitors are an extremely important class of passive components in the electronics industry due to their high dielectric breakdown strength and resistance to voltage and temperature surges. They are used in many applications, such as pulsed power supplies, electronic motor controls, avionics, and surge protection. The MKP385530040JKP2T0 is a film capacitor designed for high temperature and ultra-high voltage applications, and is an ideal choice for extreme conditions. This article looks at the various features and performance characteristics of the MKP385530040JKP2T0, its application field and working principle.

Features and Performance Characteristics

The MKP385530040JKP2T0 is a metallized polypropylene film capacitor, offering a very low ESR over the temperature range of -55°C to +125°C. The capacitor comes in two variants: the lower voltage variant with rated capacitance values ranging from 0.68 μF to 1.2 μF, and the higher voltage variant with rated capacitance values ranging from 4.4 μF to 11 μF. The maximum operating voltage of the lower variant is 500V, while the higher variant operates at a maximum voltage of 3000V.

The MKP385530040JKP2T0 has an Electronic Grade Grade (EG Grade) insulation sleeve that is designed to resist temperature up to 150°C. The capacitor\'s robust construction ensures stability of the electrical parameters and reliable operation in severe conditions. It also offers enhanced noise reduction and ripple absorption due to its internal floating junction, which further increases the reliability of the device.

Applications

The MKP385530040JKP2T0 film capacitors are highly suitable for high voltage applications such as auxiliary power supplies, motor starting and voltage stabilizers. It is also suitable for snubber circuits and pulse circuits in power electronics applications. The capacitor\'s high temperature operation makes it ideal for use in outdoor, under-hood and other demanding industrial or automotive applications where high temperature limits or surge protection is needed.

The MKP385530040JKP2T0 can also be used in pulse applications such as motor speed controllers, audio amplifiers, and communication systems. It offers high noise absorption and provides good reliability without compromising the performance of other components connected to the circuit.

Working Principle

An electric field is generated in the MKP385530040JKP2T0 film capacitor when electrical voltage is applied to its terminals. This electric field induces ions to migrate in the film layers, reducing the thickness of the dielectric material and thus producing an increase in capacitance. The amount of capacitance can be adjusted by controlling the operating voltage. During operation, the dielectric film is heated as the ions migrate, but it remains stable until the dielectric strength is reached.

The MKP385530040JKP2T0 film capacitor also has internal energy absorption technology, which helps to absorb energy generated due to high voltages, reducing the risk of component failure. This is done by using a special internal floating junction that acts as a “fuse”, absorbing any excessive energy and dissipating it as heat.

Conclusion

The MKP385530040JKP2T0 is a high quality film capacitor designed specifically for high temperature and ultra-high voltage applications. It has internal energy absorption technology and an Electronic Grade insulation sleeve, making it ideal for extreme conditions. Its combination of performance and reliability makes it a great choice for a variety of applications, from power electronics to automotive and avionics.

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