BFC237525821

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Film Capacitors

Film capacitors are capacitors using the thin plastic film as dielectric. They are commonly used in electronics due to their superior electrical properties and are used in wide range of applications. BFC237525821 is a film capacitor used widely for high frequency applications.

Application Field

BFC237525821 is mainly used in high frequency applications, such as mobile phones, portable audio equipment, home appliances, toys, automotive applications, communication base stations, aviation systems, computer and medical equipment, etc. In addition, this film capacitors can also be used in hi-fi audio sound system, power sources, power amplifiers for providing decoupling of power supply effects from audio signals.

Working Principle

The working principle of the BFC237525821 film capacitor is similar to other film capacitors. It uses a two-piece structure, with metalized thin plastic film as dielectric, embedded between two electrodes. The thin film is then rolled into a cylinder package. This thin film provides superior electrical properties such as low inductance, low ESR (Equivalent Series Resistance), low distortion, excellent insulation, and large capacitance value.

When a voltage is applied across the film capacitor, electrical charges accumulate on the film\'s two surfaces, which create an electric field, thus producing a capacitance effect. The higher the voltage, the higher the capacitance effect and capacitance value. The capacitance value of these film capacitors ranges from 0.047μF to 4.7μF.

The BFC237525821 film capacitors have the advantages of small size, low ESR, low circuit parasitic inductance, low electric loss, stable characteristics, and good temperature characteristics. Therefore, it is widely used for high frequency applications.

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