Film Capacitors

Film capacitors are electronic components with a wide range of application areas and parameters, commonly used for energy storage, bypassing, filtering, coupling, timing, for sensing and suppression of overvoltage transients, as well as many other purposes. The MKP385447063JKI2B0 is an example of a film capacitor, and this article will look at the application field and working principle of this particular part.

Application Field of the MKP385447063JKI2B0

The MKP385447063JKI2B0 is a metallized polyester film capacitor, with a rectangular, SMD design. It has a wide capacity range of 0.00220μF and a rated voltage of 630VDC. It has a high insulation resistance of more than 200 GΩ, which is great for low impedance power supply applications. It is also capable of withstanding a maximum dimming voltage of 1KVDC.

The MKP385447063JKI2B0 capacitor is designed for use in high-efficiency switch mode power supplies, such as PWM linear regulators, AC/DC converters, power factor correction, and other power systems. It also finds use in equipment such as high frequency switches, servers, audio systems, and other applications for which film capacitors are well utilized.

Working Principle of the MKP385447063JKI2B0

At its simplest, a capacitor is a two terminal electrical device comprised of two electrical conductors (i.e. metal plates or foils ) separated by an insulating material (such as silicone or PVC). The capacitor works on the principle of "charge storage." When a voltage is applied to the two terminals, an electric current will flow between them and a charge will be stored on each plate. The amount of charge stored is a function of the voltage applied, the size of the plates, and the material between the two plates.

For the MKP385447063JKI2B0, the charge storage occurs between two metallizedpolyester films. These metallizedpolyester films (or metallized polypropylene films) enable the MKP385447063JKI2B0 capacitor to act as a high-frequency filter, and also has a very low inherent capacitance change over temperature and time. Due to its SMD design, it is also very compact and has excellent self-healing properties.

Conclusion

In conclusion, the MKP385447063JKI2B0 capacitor is a film capacitor designed for high efficiency switch mode power supplies, as well as high frequency switches, servers, audio systems, and other applications. Its working principle is based on the charge storage between two metalized polyester (or polypropylene) films, providing a high frequency filtering effect and excellent self-healing properties.