B32913A3154M289

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B32913A3154M289 Film Capacitors Application Field and Working Principle

Film capacitors are compact and reliable electrical components consisting of a thin film dielectric core and two electrical terminals. The ranges and varieties of film capacitors are numerous and the B32913A3154M289 type is an example of a film capacitor with an operating temperature ranging from -40°C to 105°C. This type of film capacitor is suitable for many applications.

Application Field

The B32913A3154M289 film capacitor can be applied to almost any application that requires a capacitor. Some of the most common applications include power supplies, DC-DC converters, motor drives, and power electronic systems. Additionally, this film capacitor is also suitable for high-frequency applications in communications equipment, medical devices, and aerospace systems. Furthermore, the B32913A3154M289 film capacitor is also commonly used in low temperature and high temperature operations. Since it is a non-inductively wound film capacitor, its excellent heat resistance makes it suitable for high temperature applications. Additionally, its low resistance and low leakage properties make it ideal for use in low temperature applications.

Working Principle

Film capacitors are constructed from two electrical terminals and a thin film dielectric core. This thin film dielectric can be made from polyester, polypropylene, Teflon, Mylar, or other materials. A metal foil is partially wrapped over the dielectric and is attached to the terminals. The area of contact between the metal foil and the dielectric core is referred to as “plates”. When a voltage is applied to the capacitor, one plate is positively charged and the other is negatively charged. This creates an electric field between the plates, generating a charge that is stored in the dielectric core.

Owing to the thinness of the dielectric core, there is considerable overlap of the plates and this leads to a large capacitance. The capacitance is dependent on the area of the plates and the distance between the plates. Capacitors can also be made with layers of alternating plates to increase the capacitance. Another method to increase the capacitance is to reduce the distance between the plates.

The B32913A3154M289 film capacitor has a nominal capacitance of 154 micro-Farads per unit (µF). A high voltage rating of 4.7kV makes it suitable for a variety of applications including power electronic systems, DC-DC converters, and motor drives. The capacitor is also resistant to vibration and shock due to its rigid construction.

Conclusion

The B32913A3154M289 film capacitor is an excellent choice for a variety of applications. Its operating temperature ranging from -40°C to 105°C makes it suitable for high temperature and low temperature operation. Its wide voltage rating of 4.7kV and high capacitance make it perfect for power electronic devices. Additionally, the capacitor\'s robust construction makes it resistant to shock and vibration making it ideal for rugged environments.

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