SFC37T20K291B-F

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Film Capacitors

Film capacitors are used widely in industries because of their compact sizes and high-performance capabilities. The SFC37T20K291B-F is a type of film capacitor that has various characteristics suitable for specific applications. In this article, we will discuss the application field and working principle of the SFC37T20K291B-F film capacitor.

Application field

The SFC37T20K291B-F film capacitor can be used in a wide range of applications. Its broad temperature range (-55 to +125 °C) makes it suitable for applications operating in extreme temperatures that require high-temperature stability. This high-dissipation film capacitor combines a high energy dissipation with a high insulation resistance, making it an excellent choice for high-voltage and switching applications. Moreover, its low profiles and small sizes make it suitable for applications where size is a major factor.

Working Principle

The SFC37T20K291B-F film capacitor works by storing electrical energy in its dielectric layer between two electrodes. The dielectric layer of the film capacitor consists of two or more alternating thin layers of conductive and non-conductive materials. The thickness of the dielectric layer depends on the requirements of the application and affects the characteristics of the film capacitor. When a voltage is applied to the terminals of the film capacitor, the electric field creates a dipole moment between the two layers. The electric field produces an electric charge separation across the layers which results in the creation of an electric current between the electrodes. The magnitude of the current and the rate at which it flows depends on the thickness of the dielectric layer. By altering the thickness of the dielectric layer, manufacturers can adjust the capacitance, dissipation factor, and insulation resistance of the film capacitor.

Conclusion

The SFC37T20K291B-F film capacitor is a versatile and reliable component suitable for a wide range of applications. Its wide temperature range and small size make it an ideal choice for high-voltage and switching applications. The working principle of the film capacitor is based on the creation of an electric current between two layers of the dielectric material. By adjusting the thickness of the dielectric layer, manufacturers can change the characteristics of the film capacitor to meet specific application requirements.

The specific data is subject to PDF, and the above content is for reference