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Film Capacitors

As a commonly used electrical device, film capacitors (also called film dielectric capacitors) collect energy by storing and releasing electric charges. The combination of two pieces of conductive plates, coupled with a thin sheet of film as the insulation between them, is the basic construction of a film capacitor. The electric charges oscillate between the capacitors’ plates and are unable to penetrate the material between them, thus creating the energy storage effect of a capacitor.

BFC238561102 Application Field

The film capacitor is popular due to its ability to offer a wide range of electrical characteristics. The BFC238561102 film capacitor is specifically designed for audio signal applications. It is a low inductance and high frequency low-ESR (equivalent series resistance) capacitor, delivering low noise and distortion-free audio performance in the most stringent conditions.In audio signal applications, film capacitors are used pre-amplifier coupling, DC blocking, tone and volume control, where a low-noise and distortion-free performance is imperative.

Working Principle of BFC238561102

The working principle of the BFC238561102 film capacitor is very simple. It consists of two conductive plates separated by a thin insulating film and the capacitance is determined by the size of the plates, their distance, and the dielectric constant of the film material. Combining these components, the capacitor builds up an electric field between its two plates and as the current flows from one plate to the other, the electric field induces the opposite charge on the other plate, thus creating the storage of energy effect of a capacitor. The BFC238561102 film capacitor is designed to operate in high-frequency audio applications and thus it is capable of accurately and quickly charge and discharge. As current passes through its plates, charge accumulates on one plate and discharges on the other as the capacitor’s polarity shifts. This effect is necessary to maintain the capacitor’s low inductance and high frequency characteristics in audio applications.

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