MKP385220063JBA2B0

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Film Capacitors

A film capacitor, also known as a plastic film capacitor, is a capacitor manufactured using plastic film as the dielectric material. Film capacitors are common components used in electrical and electronic circuits for their good performance, including small size and low inductance, great insulation resistance and long life, and are available in both polarized and non-polarized forms. The type of film capacitor referenced in this essay is the MKP385220063JBA2B0, which has some specific property characteristics that inform its application field and working principle.

Product Properties of MKP385220063JBA2B0

The MKP385220063JBA2B0 is a radial leaded metalized plastic film capacitor with a capacitance of 0.22 μF±5%, a rated voltage of 400 VDC or AC, a rated temperature of 105°C and a rated power of 1.3 watts. The capacitors are designed with a quantity of 4 twisted (non-solid core) wires with 2 wires trimmed to 2 mm length, 2 wires trimmed to 6 mm length, a 7.5 mm lead spacing and a 7.5 mm insulation sleeve. The capacitance and dissipation factor remain temperature stable over a wide environmental operating temperature range between -55°C and +125°C.

Applications of MKP385220063JBA2B0

As a radial leaded radial film capacitor, the MKP385220063JBA2B0 is widely used in a variety of applications including switch mode power supply, motor control, line filter, and loudspeaker crossover networks. It can also be used for high frequency ripple current filtering, noise reduction for control circuits, and EMI/RFI suppression for low frequency circuits. Additionally, MKP385220063JBA2B0 film capacitors provide excellent stability and reliability in extreme temperature conditions, making them ideal for high-temperature and reliable applications.

Working Principle of MKP385220063JBA2B0

Film capacitors, like the MKP385220063JBA2B0, rely on the use of two thin, metalized layers of material, either plastic or paper, separated by a thin layer of non-conductive material to create two plates. When voltage is applied, the metalized layers are attracted and repel each other, depending on the polarity of the voltage and the materials used, resulting in a stable electrical field between the plates. The static electrical field created between these two plates acts as an insulating barrier, preventing the electrical current from passing through the capacitor. Therefore, when a current is applied to a film capacitor, the stored charge will block it, allowing only a very small amount of the current to pass. The amount of current that passes is proportionate to the capacitance of the capacitor and the applied voltage.

The MKP385220063JBA2B0 has an insulation sleeve, which increases the insulation resistance and improves the electric dissipation factor. The lead wires allow for convenient connections. Finally, its operating temperature range provides excellent stability, making it ideal for a wide range of applications.

Conclusion

The MKP385220063JBA2B0 is a metalized plastic film capacitor with the capability to withstand extreme temperatures and boast excellent stability and reliability. Its primary use is for a variety of applications such as switch mode power supplies, motor control and line filters, but it also capable of high frequency ripple current filtering, noise reduction for control circuits and EMI/RFI suppression for low frequency circuits. The MKP385220063JBA2B0’s construction, consisting of two metalized layers of material, an insulating sleeve and lead wires, allows it to work through the application of voltage which creates an electric field between the layers, preventing the electric current from passing through the capacitor.

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