BFC237964753

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Film Capacitors

Capacitance is an important parameter of electronic devices. The most widely used capacitors are film capacitors. The film capacitor is also known as a polyester capacitor, or the so-called metalized film capacitor. It is characterized by its very small size, excellent heat resistance, reliable properties, high self-healing capabilities, long life, and no pollution. BFC237964753 is one of the most representative film capacitors.

Application Field of BFC237964753

BFC237964753 film capacitor is suitable for applications such as power system between 40kHz and 400kHz, voltage between 86V - 460V, capacitance greater than 500μF, and dielectric losses less than 0.6%. Due to its small size, excellent heat resistance and reliable performance, it is widely used in power factor correction (PFC) circuits, LED lighting, ballast, lamps, high fidelity loudspeakers, and professional audio equipment.

Working Principle of BFC237964753

BFC237964753 film capacitor works when an alternating current passes through it. The alternating current will induce a voltage across the capacitor, which charges opposite electric charges on the two terminals of the capacitor. Since these opposite electric charges repel each other, they create an electrical field that opposes the current passing through the capacitor. This causes the current to be reduced, resulting in a phase shift of the current compared to the voltage, leading to a decrease in the total mode power in the device.

The capacitor will store the electric energy in the form of electric field that will stay in the capacitor even when the current is cut off. When the current is reconnected, the electric field will produce a current in the opposite direction of the original current thus charging the opposition. The charges will then be pushed away, resulting in current being decreased and power factor improved. Thus, BFC237964753 film capacitor can be used to better the power factor and reduce the total mode power.

Conclusion

BFC237964753 film capacitor is widely used in power factor correction circuits, LED lighting, ballast, lamps, high fidelity loudspeakers, and professional audio equipment due to its small size, excellent heat resistance and reliable performance. When the current passes through the capacitor, charges will be induced on the two terminals of the capacitor, thus producing an electrical field that opposes the current, resulting in a phase shift of the current compared to the voltage and a decrease in the total mode power of the device.

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