MKP385551085JPM4T0

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The MKP385551085JPM4T0 is an example of a film capacitor. A film capacitor is a type of capacitor that uses thin plastic films as dielectric materials. These plastic films are tightly rolled together and spaced with metal electrodes. The capacitor is constructed then by winding the films around an iron core or a bobbin. The plastic films are usually polypropylene, PEN or paper. Such capacitors usually have a maximum operating temperature of 85 degrees Celsius.

Film capacitors are commonly used for signal filtering, energy storage, and voltage-dependant current limiting in electronic circuits. They find applications as tuning capacitors in radio circuits and in power factor correction circuitry in power supplies. As compared to traditional ceramic or electrolytic capacitors, film capacitors usually have higher working voltages, greater temperature stability as well as less leakage current. This is because the mechanism of dielectric absorption in film capacitors is different from that of ceramic or electrolytic capacitors.

The MKP385551085JPM4T0 is an example of a polyethylene film capacitor. It is oval-shaped and has a maximum capacitance of 85pF. Its maximum operating voltage is 200V and its maximum temperature rating is 85ºC. It is a popular choice in filtering applications as it has low dissipation factor, good self-healing characteristics, and a low voltage coefficient.

The working principle of a film capacitor is quite simple. When a voltage is applied across its terminals, the thin plastic films between the electrodes act as dielectric materials. This creates a dielectric field between the plates, allowing a charge to be stored across them. This charge induces a current in the resistor connected to it which creates its capacitive reactance. This reactance, in turn, is proportional to the value of the capacitance of the capacitor.

In summary, the MKP385551085JPM4T0 is a type of film capacitor that is typically used in filtering applications. It is an oval-shaped capacitor with a maximum capacitance of 85 pF and a maximum operating voltage of 200V. Its working principle is based on the dielectric field formed between the electrodes when an external voltage is applied across its terminals, allowing a charge to be stored across them.

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