MKP1839210633

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Film capacitors, also known as plastic film capacitors, polyester film capacitors, Mylar capacitors, are capacitors which use a plastic film as dielectric. The modern plastic dielectric film capacitors have good stability, small size and low loss compared with other types of capacitors. MKP1839210633 is one kind of plastic film capacitors applied for energy storage or energy-conversion circuits.

Application Field

MKP1839210633 refers to a polypropylene metallized film capacitor (MPC) Featured with excellent self-healing property, low noise level, excellent longevity, voltage-withstanding ability, thermal stability and a high-performance in energy-storage circuits. MKP1839210633 capacitors are widely applied in different kinds of applications such as power electronics, DC filters, AC power transmission circuits, motor switching, and lighting. They are also preferred in general industrial applications where the combination of long life time and reliability is desired. Furthermore, these capacitors can replace bulky electrolytic capacitors.

Working Principle

The MKP1839210633 capacitor is a simple device consisting of two conducting plates separating the dielectric material. The electrodes are made of metalized polypropylene film, and the dielectric is just a thin layer of insulating film that maintains a space between the conductors. When a DC voltage is applied to the plates, an electric field is formed between the plates and an electric charge is developed on each plate due to the accumulation of free electrons. In this way, the electric energy is stored within the capacitor.

When an AC voltage is applied across the two plates of a capacitor the capacitance follows the AC waveform, with the opposite polarity across the two plates, the electric charges on the plates are also alternating polarities with each waveform. This action creates an electric field on the plates that is constantly changing, and the capacitor is able to transmit the AC waveform. The impedance of the capacitor is determined by its size; the bigger the capacitor, the higher its capacitance and the lower its impedance.

When the power is switched off, the MKP capacitor will quickly discharge back to zero and therefore should be treated with care as it can still contain stored charge. The voltage rating must be selected in line with the actual DC operating voltage to guarantee sufficient clearance.

Conclusion

In conclusion, the MKP1839210633 capacitor is a kind of film capacitors, and it can be used in energy storage or energy-conversion circuits. It featured with long life time and excellent reliability. With its DC voltage rating, AC voltage sensitivity and size, it can provide good performance in power electronics, DC filters, AC power transmission circuits, motor switching, and lighting.

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