R75PR34704040J

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Film capacitors, also known as plastic film capacitors, have become a popular option for electronics due to their excellent electrical properties and enhanced reliability. They feature good stability, low ESR and excellent safety characteristics, making them an ideal choice for use in a wide range of applications. The R75PR34704040J is a type of film capacitor that is designed for use in power applications, as it has a high rated current and high rated voltage. In this article, we will explain the application field of this film capacitor and how it works.

Application Field:

The R75PR34704040J film capacitor is specifically designed for high-power applications, such as in electric motors, relays, and transformers. It is perfect for use in automotive, power electronics, industrial, commercial and communications applications, as it has a high rated current and a high rated voltage. Additionally, it is capable of withstanding a peak pulse current of up to 400A, making it suitable for applications with frequent high-current pulses, such as electric cars, power transformers and UPS systems. The high insulation resistance of this film capacitor also makes it suitable for use in circuits which require a high level of safety and protection, such as medical and aerospace applications.

Working Principle:

The R75PR34704040J film capacitor works on the principle of dielectric polarization. It consists of a thin layer of plastic film which acts as the dielectric, and two metal plates called ‘electrodes’ which are spread out on either side of the dielectric. When a voltage is applied across the electrodes, an electrical field is created, which causes the molecules of the dielectric material to become polarized. This process stores an electrical charge in the capacitor and enables it to act as a storage device. The higher the applied voltage, the greater the polarization and the more charge the capacitor can store.

The R75PR34704040J boasts an exceptionally high dielectric strength rating, which allows it to maintain its capacity even when subjected to high-voltage pulses. It is also highly stable, with low ESR and excellent safety characteristics. This makes it perfect for use in high-power applications which require a stable, reliable and safe source of power.

The R75PR34704040J is a versatile and reliable film capacitor for use in high-power applications. It has a high rated current, a high rated voltage and a peak pulse current of up to 400A, making it suitable for use in electric motors, relays, transformers, automotive, power electronics, industrial, commercial and communications applications. Its high dielectric strength and low ESR make it particularly suitable for use in circuits which require a high level of safety and protection.

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