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Film Capacitors

Film capacitors, or film dielectric capacitors, are a type of capacitor whose dielectric consists of thin film. They have many characteristics that make them attractive for special applications, such as low dissipation factor, extremely high insulation resistance, and a high breakdown voltage allowing for a wide temperature range.

MKP1839156631R Application Field and Working Principle

The MKP1839156631R is a polyester metallized paper (PETP) film capacitor designed to facilitate superior performance in a broad range of electrical and electronic applications. The capacitor features a polyester film as the dielectric, non-self-healing metalized aluminum electrodes, a plastic casing, and standard tolerance. It is suitable for use as a decoupling capacitor, filter capacitor in switching power supplies, and in other high-frequency applications that require low-loss operation.

The working principle of the MKP1839156631R involves storing electrical energy in an electric field between two conductors separated by an insulating material, such as a dielectric film. Electrical charge is stored on the two electrodes that are separated by the dielectric. When an electric potential is applied to the electrodes, current will flow in the capacitor, resulting in the release of stored energy. The capacitance is determined by the size and type of dielectric as well as the surface of the electrodes.

Features of the MKP1839156631R

The MKP1839156631R features a capacitance tolerance of ±10%. It is available in a range of capacitances, from 15nF up to 1µF. It offers a working temperature range of −25 °C to +85 °C and a tangent of loss of 0.1% (100 kHz, 1 Vrms). The capacitor is also RoHS compliant.

Other features of the MKP1839156631R include low ESR/ESL, fast discharge characteristics, long-term stability, low losses, and excellent insulation properties. The capacitor also offers low-temperature performance and a minimum operating voltage of 2 V. Additionally, the capacitor is low leakage, moisture-resistant, and shock-resistant.

Applications of the MKP1839156631R

The MKP1839156631R is used in a variety of applications, including switching power supplies, filter circuits, frequency converters, motor drives, and decoupling. The capacitor is useful in both low- and high-voltage applications. In high-voltage applications, such as automotive electronics, the capacitor can be used to provide reliable filtering and isolation, ensuring that sensitive electronics are not damaged.

The MKP1839156631R can also be used in RF circuits, such as attenuators, couplers, and other differential circuits. The low ESL and low ESR of the capacitor make it ideal for applications where high-frequency response is critical, such as HF/VHF and low-band circuits. Additionally, the low losses of the capacitor allow it to respond quickly to transient signals.

Conclusion

The MKP1839156631R is a polyester metallized paper (PETP) film capacitor designed to provide superior performance in a wide range of electrical and electronic applications. The features of the capacitor include a capacitance tolerance of ±10%, a working temperature range of −25 °C to +85 °C, a tangent of loss of 0.1%, and low ESR and ESL. The MKP1839156631R can be used in switching power supplies, filter circuits, frequency converters, motor drives, decoupling, RF circuits, and other applications.

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