MKP385333040JB02W0

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Film capacitors are one of the most important components used in many types of electronic circuitry. They are predominantly used for high-frequency applications due to their low-ESR (Effective Series Resistance) and high maximal allowed voltage. The MKP385333040JB02W0 is a two-terminal, metalized polypropylene film capacitor which features high-frequency capacitance values, small sizes, and low losses. It is commonly employed in switching mode power supplies, power electronics, lighting systems, and telecommunication systems.

The MKP385333040JB02W0 consists of a polypropylene film winding, which is insulated with a metallized coating. The film itself is non-conductive and provides insulation to the component. The capacitance value of the capacitor is determined by the area of the film and the dielectric constant of the polypropylene film; it ranges from 0.002μF to 4.7μF. As for its voltage rating, it stands at 400V.

The working principle of the MKP385333040JB02W0 is quite simple, based on the concept of Electrostatic Charge Separation. When an alternating voltage is applied to the electrodes, it causes a displacement of the electric charges of the winding. These electric charges create an electric field which increases and decreases in strength as the voltage changes. The different electric field induce an electrostatic field, and a current flows from one electrode to the other electrode. This current is the capacitance, and it is stored to be released when the voltage is removed.

Overall, the MKP385333040JB02W0 is an ideal choice for applications requiring high-frequency capacitors with small sizes and low losses. Its voltage rating and capacitance range make it suitable to be employed in a variety of applications, such as switching mode power supplies, power electronics, lighting systems, and telecommunication systems. The metallized coating of the polypropylene film winding provides excellent arc suppression and helps reduce EMI (electromagnetic interference). Lastly, its working principle is based on the concept of electrostatic charge separation.

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