MKP383439063JKI2B0

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Film capacitors are among the oldest forms of capacitors, and the MKP383439063JKI2B0 is an example of a modern film capacitor. It is a surface-mount capacitor with a rated capacitance of 0.1µF, a rated working voltage of 3.3 V, and an operating temperature range of -25°C to +85°C.

Film capacitors are typically constructed from plastic films like polypropylene, polycarbonate, polyester and PVC. Each layer of the film is coated with a conductive metal layer on one side, while the other side is insulated by a dielectric coating. These films are rolled and encased in an epoxy resin, giving the capacitor its shape and structure, and an electrical connection is made between the external leads and the conducting metal layer. The result is a capacitor with a relatively low ESR, reliable operation, high insulation resistance and, in most cases, long-term stability.

The MKP383439063JKI2B0 capacitor is a great option for applications that require a wide-temperature range. Its polypropylene-film construction enables it to maintain its rated capacitance values at temperatures as low as -25°C — much lower than most other capacitors on the market. In addition, its insulation resistance and dielectric strength make it ideal for applications used in AC/DC power circuits, motor run, and snubber circuits.

The working principle of any film capacitor is the same. When a voltage is applied to the external leads of the capacitor, a potential difference occurs between the metal-film layers, causing a flow of electric current. This current produces a unique energy storage mechanism in the form of an electric field. The capacitor then stores energy in this electric field — depending on the construction materials, this can range from a few hundred to a few thousand volts.

In essence, the MKP383439063JKI2B0 is an electrostatic capacitor that stores and filters electrical signals. It prevents the direct flow of alternating current from single sources, while also ensuring signal clarity in low-voltage DC power supplies, and damping out any electric signals from external sources — thereby increasing the system\'s electromagnetic compatibility. Its small size also makes it ideal for use in compact electronic devices.

Overall, the MKP383439063JKI2B0 is a reliable film capacitor that is suitable for a wide variety of AC and DC applications while offering excellent temperature range and dielectric strength. Its high insulation resistance and long-term stability make it a great choice for power supplies that require an electrically stable environment.

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