BFC237116474

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Film Capacitors

Film capacitors, also known as polymer film capacitors, are electronic components composed of dielectric films and electrodes. They are mainly used as bypass capacitors, AC coupling capacitors, filter capacitors, dc blocking capacitors and noise suppression capacitors in power electronic circuits, measuring circuits, communications circuits and other fields.

BFC237116474 is an example of film capacitors. It is a multi-layer monolithic ceramic capacitor consisting of a ceramic Dielectric. It is necessary for many electronic circuits, satisfying the needs of power supplies, electronic ballasts, frequency converters, brushed/brushless motor drivers, inverters and resistor ignition modules in the automotive and other industries.

Application Field

BFC237116474 can be applied in many industries. In power supplies, it is used as output filter capacitors, smoothing capacitors, and blocking capacitors. It also can be used in electronic ballasts, such as HID lamps, fluorescent lamps, and LED lighting ballasts. In the frequency converter, it is used as input/output filter capacitors and buffering capacitors in control circuits. In the automotive industry, it can be used as a rectangular ignition module power capacitor.

Working Principle

The working principle of the film capacitor is based on the parasitic capacitance between electrodes and the dielectric. The distance between the electrodes is inversely proportional to the capacitance. The distance between the electrodes is determined by the dielectric material used.

In the BFC237116474 film capacitor, the dielectric material is ceramic, so the distance between the electrodes is adjusted according to the thickness and density of the ceramic film. In addition, the two electrodes are formed through punching and etching of copper-clad laminates. The thin conductive paint is then applied to the electrode surface for electrical contact and increased capacitance.

The working process of a film capacitor is relatively simple. When the voltage applied to the capacitor is lower than its rated voltage, the dielectric material between the two electrodes is charged. The thickness of the dielectric material determines the capacitance of the film capacitor. With the increase of voltage, the capacitance of the film capacitor will gradually decrease.

Conclusion

BFC237116474 is a film capacitor with multiple applications in many industries. It can be used in power supplies, electronic ballasts, frequency converters, brushed/brushless motor drivers, inverters and resistor ignition modules. Its working principle is based on the parasitic capacitance between electrodes and the dielectric.

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