MPXQW1-1K-F

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Film capacitors, also known as film dielectric capacitors, are polarized capacitors with the grounded electrode and a large dc overvoltage allowance that requires a plastic film as the insulation layer for the medium insulation in the capacitor. They are the most widely used capacitors in current electronic appliances and power electronic equipment due to their excellent temperature stability, large capacity and low cost. The MPXQW1-1K-F film capacitor is one of the varieties of film capacitors. It is a high-temperature tolerance capacitor whose operating temperature range is –55~105℃.

Applications of the MPXQW1-1K-F Film Capacitor

The MPXQW1-1K-F film capacitor is mainly used in aircraft, aerospace, military and automotive applications where vibration, corrosive environments and high temperatures are common. This capacitor can be used in circuit boards and assemblies that are exposed to poor operating conditions, as well as in high noise impedance environments. In particular, it is an ideal power capacitor for mobile phones, radios, computers, digital cameras, video cameras, medical equipment etc. It can also be used in single-phase and three-phase AC reactive compensation, rectifier filtering, smoothing and voltage stabilization.

Working Principle of the MPXQW1-1K-F Film Capacitor

MPXQW1-1K-F film capacitor consists of two metal plates which are separated by an insulating dielectric film. The capacitor works by storing electrical energy in an electric field between the closely spaced metal plates. When an alternating current (AC) is applied to the capacitor, the capacitor accumulates and releases electrical energy between the plates. This causes a current in the lead wire and the opposing current in the other lead wire. The electric current built up by a capacitor in a circuit that is driven by an AC voltage is given by the formula: I = C V (dt/dt).

Moreover, the electrostatic field generated by the capacitor between the plates attracts dielectric particles which aid to maintain a polarization of the dielectric and form an efficient insulation. This function is known as dielectric loss and is expressed as dissipation factor. The dissipation factor of the MPXQW1-1K-F film capacitor is very low - typically it is 0.002 or less. Therefore, this capacitor offers excellent protection from electrostatic interference, high frequency noise and radio frequency interference. In addition, this capacitor has a wide frequency response range from DC to100kHz.

The MPXQW1-1K-F film capacitor has a wide variety of features that make it particularly attractive in applications requiring high voltage and extreme temperature variation. It has a small size, is lightweight and is able to withstand high temperatures and vibrations. The capacitor even meets the requirements for fire safety.

Conclusion

The MPXQW1-1K-F film capacitor is a high-temperature tolerance capacitor with excellent electrical performance. It is typically used in aircraft, aerospace, military and automotive applications where extreme temperature conditions exist. This component has a very wide frequency response range and features good dielectric loss, making it a great choice for many applications.

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