ECQ-P1H394GZW

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Film capacitors, also known as metallized plastic film capacitors, have gained more and more attention due to their excellent performance. Among them, ECQ-P1H394GZW is one of the most popular types in the film capacitor family. This article will discuss its application field and working principle.

ECQ-P1H394GZW film capacitors are used widely for energy storage in high power electronic equipment such as solar inverters, industrial automation, and other high power electronic applications. It has a wide temperature range(-40°C~+85°C ), a small size, low cost, and a wide selection of voltage ratings (300V~400V) which make it highly suitable for applications where space is tight and operating temperature is high. Moreover, its have been designed to keep low ESR, low ESL, and low noise.

ECQ-P1H394GZW film capacitors are constructed with two electrodes and a dielectric layer that is wound and encapsulated in a cylindrical shell. The dielectric layer is made of a film material that can be either polyester, polypropylene, or polycarbonate. The electrodes are made of aluminum and are electroplated with a metal to increase their conductivity and reduce the risk of corrosion. To improve the capacitance, a thin layer of metal is deposited on the dielectric layer. This deposition process is known as metalizing. The metalized layer provides improved capacitance, insulation resistance, and higher voltage rating.

The working principle behind the ECQ-P1H394GZW film capacitor is simple. When the capacitor is subjected to an AC voltage, a current will flow through the metal layers on the dielectric layer and the electric field between the electrodes builds up an electrical charge on the dielectric layer. This charge then creates an oppositely charged electric field which acts as an inductor. This inductor helps store the electricity and discharges when the AC voltage is removed.

ECQ-P1H394GZW film capacitors are highly reliable and are an ideal choice for a wide variety of applications where space is limited and operating temperature is high. With their low ESR, low ESL, and low noise characteristics, they are suitable for use in high power electronic applications. Moreover, with their broad voltage ratings, they can also be used for different power ratings.

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