BFC237521512

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Film Capacitors

A film capacitor, also known as polyester capacitor, is a type of capacitor made up of a thin plastic film as the dielectric layer, with thin aluminium or zinc layers as electrodes on either side of the film. Film capacitors are used in a wide range of applications including audio amplification, radio frequency interference suppression, and bypassing across clocks, AC sources and DC sources. The model BFC237521512 is one of the film capacitors used in many applications.

Application Field for Model BFC237521512

Model BFC237521512 can handle up to 1350 Volts and is used in a wide range of applications such as frequency control, power conditioning, audio input processes, AC and DC filtering, and voltage balancing. It can be used to filter alternating current (AC) or direct current (DC) lines as the capacitor is able to block a certain range of frequency. Film capacitors such as this model are dependable and long-lasting, making them ideal for environments that experience frequent temperature changes and extremes.

Working Principle

Film capacitors utilise the dielectric properties of an electric insulator with layers of electrodes on either side. The electrons in the close proximity of the dielectric are rearranged by electric field lines which generates an imbalance of charge and produces a capacitance. This capacitance is the ability of the film capacitor to store electrical energy.

The film of a film capacitor acts as a barrier that can store and discharge electric charge. When a capacitor is connected across a circuit, the circuit draws more current, charging up the capacitor. The dielectric, being an excellent insulator between the two layers of electrodes, will prevent the current from flowing through and across the electrodes. This will create a potential difference between the two plates, thus enabling the capacitor to store energy.

When the current stops flowing, the capacitor will begin to discharge, to do this, the charge moves from one plate of the capacitor to the other, flowing through the external circuit. This discharge process repeats and is used to reduce the overall voltage ripple and eliminate electrical interference.

Conclusion

The BFC237521512 model film capacitor is a popular choice in many applications where its long-lasting and dependable qualities are essential. The capacitor works on the principle of storing and discharging electrical energy to reduce ripple and eliminate interference across its circuits. Film capacitors are designed to handle a small current and vehicle voltage and to handle temperature extremes.

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