MKT1820310404W

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Film capacitors are an important component in modern circuits. They offer many benefits such as high voltage tolerance, fast response time, and low losses. The MKT1820310404W is a film capacitor that offers exceptional performance and durability. It is designed for use in high voltage and high frequency applications such as AC motor drives, inverters, and renewable energy systems. In this article, we will examine the application field and working principle of the MKT1820310404W.

Introduction

Film capacitors are non-polarized capacitors that are made from a thin foil dielectric material. They are popular due to their long life, low leakage current, and high dielectric constant. The MKT1820310404W is a film capacitor from Vishay featuring an elongated case design with four terminals, allowing for higher capacitance in a compact size. It offers a wide variety of available capacitance values from 0.47μF-7200μF, and it has a peak working voltage up to 2.2kV.

Application Field

The MKT1820310404W is best suited for a wide range of high voltage and high frequency applications, such as AC motor drives, inverters, and renewable energy systems. It can be used as a filter capacitor for power factor correction, as well as for snubber circuits. It is also suitable for high switching frequency applications such as frequency converters and pulse power supply circuits. Other possible applications include high-powered audio systems, diode bridge circuits, and surge absorption.

Working Principle

A film capacitor works by storing electrical energy between two conductors separated by an insulating dielectric material. The MKT1820310404W is constructed from two metallized polypropylene foils that are separated by a striped electrode dielectric. This dielectric layer creates an electrical barrier between the two metal foils, allowing the capacitor to store a charge. When the voltage is applied, the foil layers are polarized, resulting in a charge separation.

The MKT1820310404W is designed to handle high frequencies and high voltage levels. It has a very low equivalent series resistance (ESR), enabling it to respond quickly to voltage changes. This makes it ideal for high switching frequency applications and circuits that require fast charge and discharge times. Additionally, its low losses and high temperature performance make it well-suited for high power applications.

Conclusion

The MKT1820310404W is a film capacitor with a wide range of available capacitance values, high peak working voltage, and excellent performance. It is suitable for use in high frequency, high voltage, and high power applications such as AC motor drives, inverters, and diode bridge circuits. Its low ESR and excellent temperature performance make it an ideal choice for fast switching applications. With its robust construction and reliable performance, the MKT1820310404W is sure to meet the demands of applications both now and in the future.

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