MKP385551063JPM2T0

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Film Capacitors

Film capacitors are the most widely used type of capacitor due to their high reliability, low cost, and widespread availability. They are also referred to as plastic film capacitors, film dielectric capacitors, polyethylene terephthalate (PET) capacitors, and polypropylene (PP) capacitors. Film capacitors are passive components which store electrical energy in the form of electrostatic fields. They consist of two conductive plates that are insulated by a dielectric material, forming an incomplete circuit. The dielectric most commonly used in film capacitors is polyethylene terephthalate (PET).

The MKP385551063JPM2T0 is a polypropylene film capacitor with a metalized surface. It is a non-polarized capacitor, meaning it does not have a positive and negative terminal. Its rated capacitance is 0.0047μF, and its rated working voltage is 250V DC. It has low ESR (equivalent series resistance) and low ESL (equivalent series inductance), and is therefore well suited for use in AC circuits. Its operating temperature range is -40°C to +85°C.

The main application of the MKP385551063JPM2T0 is for switching power supplies, DC-DC converters, AC dc converters, and other applications involving high frequency switching. It is also used as a coupling capacitor, to couple two AC or DC signals, and as an EMI (electromagnetic interference) filter. The capacitor is suitable for use in applications in which the components will be exposed to damp, dusty, or outdoor environments.

The working principle of film capacitors is based on the same physics as other types of capacitors, involving the separation of two conductors, or plates, while having a dielectric material between them. The capacitance of a film capacitor is determined by the surface area of the conductive plates, and the thickness of the dielectric material. In the case of the MKP385551063JPM2T0, the capacitance is determined by the size and shape of the metalized polypropylene film. When a voltage is applied across the two plates, an electric field is created, which stores energy in the form of an electrostatic field. This electric field remains in the capacitor until the voltage is removed, at which point the capacitor will discharge the stored energy.

In conclusion, the MKP385551063JPM2T0 is a polypropylene film capacitor that is most commonly used in power supplies, DC-DC converters, AC dc converters, and other applications involving high-frequency switching. Its rated capacitance is 0.0047μF, and its rated operating voltage is 250V DC. It is suitable for use in damp, dusty, and outdoor environments. The working principle of film capacitors is based on the same physics as other types of capacitors, and the capacitance of a film capacitor is determined by the size and shape of the metalized polypropylene film, as well as the thickness of the dielectric material.

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