890334025039CS

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Film capacitors are passive components that store electrical energy in the form of a static charge. They are made from two conducting materials—metal foil and a dielectric film—and connected to an external circuit. 890334025039CS is a commonly used plastic film capacitor whose characteristics make it suitable for a variety of applications.

The two major types of film capacitors are metallized film capacitors and wound film capacitors. 890334025039CS belongs to the former type. It is realized by depositing a metal on a thin plastic film and then winding it into a cylindrical shape.

890334025039CS capacitors are particularly suited for AC and DC blocking, power factor correction, power supply filtering, and snubber applications. They are usually operated with voltage up to 400V, but some models can handle up to 500V. Capacitance ranges from 0.01µF to 1000µF and the total leakage current typically ranges from 0.01mA to 0.1mA.

The working principle of 890334025039CS plastic film capacitors is the same as that of any other capacitor. Two conducting materials—metal foils and a dielectric film—are placed in close proximity and connected to an external circuit. When current passes through the external circuit, a static electrical charge is created between the two conductors, resulting in capacitance.

In 890334025039CS capacitors, the metal foil is typically made from an aluminum-copper alloy with a dielectric film made from polypropylene. The thickness of the dielectric film is usually between 0.1µm and 0.5µm. Its overall thickness variation is small, which allows it to have a high dielectric strength and provide excellent electrical performance.

The excellent electrical performance of 890334025039CS capacitors is a result of the combination of the two materials—aluminum-copper alloy and polypropylene. Together, they provide not only high dielectric strength, but also excellent insulation properties and low dielectric absorption. Additionally, due to its low dielectric absorption, 890334025039CS capacitors also have a low equivalent series resistance, making them suitable for use in high-frequency applications.

In addition to its excellent electrical performance, 890334025039CS capacitors are also known for their reliability, stability, and low cost. They are resistant to high temperature, humidity, shock and vibration, and can operate in extreme environments. This makes them popular for applications where reliability and stability are critical, such as in power supplies, DC blocking, and voltage spike suppression.

In conclusion, 890334025039CS capacitors are a type of film capacitor that is suitable for a variety of applications. They are made of aluminum-copper alloy and polypropylene, and feature excellent electrical performance, high dielectric strength, low equivalent series resistance and excellent insulation properties. Additionally, their reliability, stability, and low cost make them popular for use in a variety of applications, including power supplies, DC blocking, and voltage spike suppression.

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