BFC236821185

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Film Capacitors

Film capacitors, also known as plastic film capacitors, are passive electrical components which are composed of thin layers of plastic film and electrodes. There are numerous types of film capacitors, but here we are going to focus on the commonly used BFC236821185 film capacitors, and how they are applied and how they work.

Application of BFC236821185 Film Capacitors

BFC236821185 film capacitors are mainly used in applications demanding for high-frequency AC performance and stability, such as in audio, radio, and television circuits. They can also be found in motor control circuits, measuring circuits and digital circuits. This type of capacitors can have a lifespan up to 50 years and operate in temperatures up to 105°C, making them popular in automotive and aerospace fields, as well as in medical and military electronics.

Working Principle of BFC236821185 Film Capacitors

Capacitors store electrical energy through a stationary electric field that exists between two plates. The higher the capacitance of a capacitor, the more electrical energy it can store. Film capacitors are made of thin layers of polyethylene and metal foil electrodes sealed in a container. The container is filled with dielectric gas, which separates the electrodes and creates the electric field.

Unlike other film capacitors, BFC236821185 film capacitors store energy between the metal electrode and the film dielectric. This kind of capacitors have high pulse current capability, excellent high-frequency characteristics, excellent environmental resistance, and high insulation voltage. These characteristics makes them perfect for high frequency switching applications where low stray parasitic reactance is necessary.

Conclusion

BFC236821185 film capacitors are widely used in a variety of applications due to the advantages they provide. They have excellent high-frequency characteristics, excellent environmental resistance, high pulse current capabilities, low stray parasitic reactance, and high insulation voltage. These capacitors can be found in various fields such as automotive, aerospace, medical, and military electronics.

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