BFC237545391

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Film Capacitors

A film capacitor, also referred to as a Polypropylene Film Capacitor (PFC) or Polyester Film Capacitor (PEC), is an electrostatic capacitor that uses a thin plastic film as a dielectric layer. It is used in a wide variety of applications, including motor start and run capacitors, high-voltage X-ray equipment, and medical and test equipment. Film capacitors are characterized by their high capacitance, low series resistance, high insulation resistance, and non-inductive design. In addition, they have a long lifetime and operate reliably at high temperatures.

BFC237545391 Application Field and Working Principle

The BFC237545391 is a PFC capacitor with an operating temperature range of -40 to 90°C, and a rated voltage of up to 100V DC. It is a compact capacitor with an edge-wound construction that is designed for high-frequency and pulse applications. The BFC237545391 is suitable for use in a wide variety of applications, including electronic ballast for fluorescent lamps, medical equipment, power supplies, and communication equipment.

The BFC237545391 has a linear capacitance range from 0.05µF to 470µF and is made with a polypropylene film and aluminum electrodes. The linear construction makes it highly stable and reliable in high-temperature and high-humidity applications. The capacitor’s low inductance also makes it suitable for high-frequency applications. The low inductance is also beneficial for pulse applications The aluminum electrodes ensure the capacitor can maintain its performance while exposed to harsh environments.

The capacitance of a film capacitor is determined by the thickness of the dielectric film, the length of the capacitor, and the voltage across the capacitor. When a voltage is applied, an electric field is formed between the two plates. This electric field attracts ions from the air or other material to the surface of the film, forming a layer of ions that provide additional capacitance. The capacitance is also affected by the temperature, humidity, and frequency of the applied voltage.

The BFC237545391 is a reliable, high-performance capacitor that is designed for long life. Its ability to handle high temperature and high humidity make it suitable for demanding applications. It is also suitable for use in a wide variety of circuits, including RF and audio applications.

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