MKP1847H55048JY2

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Film capacitors, also known as plastic film capacitors, are capacitors that are composed of a thin plastic film and use the electrical insulation of the polymer film to separate the opposite electrodes. They are widely used in various electronic filters, coupling, decoupling, and bypass circuits. Among them, MKP1847H55048JY2 is one of the most popular series. It features high reliability, impressed voltage of 1500 volts, high insulation resistance, stable performance, and excellent self-healing characteristics.

MKP1847H55048JY2 Application Field

MKP1847H55048JY2 chip is commonly used in a variety of power circuit applications such as EMI Filters, MOS, PFC circuits, UPS, DC-DC converters, switch-mode power supplies, motor controller circuits, and AC DC converters. It can also be used in the inverter circuit of air conditioner, motor, elevator, Water Heater, as well as various types of switch-mode power supply and SMPS circuits and so on.

Besides, MKP1847H55048JY2 is also suitable for loudspeaker, audio Q, antenna, decoration lamps, automotive electronics, electronic toys, consumer electronics, communication products, etc.

MKP1847H55048JY2 Working Principle

The MKP1847H55048JY2 capacitors consists of two electrodes with opposite polarity separated by the thin plastic film, which acts as the dielectric material of the capacitor. The plastic film, as the dielectric of the capacitor, is an important factor for the performance of the capacitor.

When a potential difference is applied between the two electrodes, an electric field is generated in the dielectric of the capacitor. This electric field causes an electrical polarization in the dielectric, resulting in a dielectric displacement current flowing through the capacitor. This displacement current increases with the increase of electric field strength in the dielectric. The built-in electric field stores energy in the electrical field, thus creating an electrical energy storage element.

The combination of the two electrodes and the plastic film gives the capacitor its special characteristic, which is called the capacitance value. The capacitance value of the capacitor depends on the dielectric constant of the material and the area and thickness of the plastic film between the two electrodes, as well as the distance between the two electrodes. At the same time, the capacitance stability of the capacitor is mainly due to the stability of the mechanical dimensions of the plastic film.

When the capacitor is charged, a large amount of electrical energy is stored in the electric field between the two electrodes. When the electric field is discharged, the capacitor can release the energy stored in the electric field. The capacitor has the characteristics of low Q (quality factor) and frequency. That is, the underlying magnetic field can easily cause loss of energy stored in the capacitor after the capacitor is charged.

In addition, the maximum voltage of MKP1847H55048JY2 films can reach up to 1500V. In design, RC circuit will be selected according to the working voltage. Generally, a film capacitor with a voltage rating greater than 50 % of the working voltage will do. Therefore, the voltage of the MKP1847H55048JY2 film capacitor can be used in the circuit of 1500 volts.

Conclusion

In conclusion, the MKP1847H55048JY2 series films capacitors can be applied in many industrial applications due to its high reliability, impressive voltage rating and stable performance. The capacitor stores energy in the electrical field between the two electrodes, and can release the energy stored in the electric field when it is discharged. Moreover, the voltage of the MKP1847H55048JY2 film capacitors can reach up to 1500 volts, providing a large amount of electrical energy storage.

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