32FD3710

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Film Capacitors

A film capacitor, also known as a plastic film capacitor, is a type of capacitor that uses a plastic film as an electrode. It is one of the most versatile and widely used capacitors in the world. Film capacitors are manufactured by depositing a dielectric, or insulating material, on both sides of a polyester film or other plastic film. The metal foil is then added to both sides of the film to create two plate electrodes. The capacitor is then connected to an external circuit via two metal terminals.

32FD3710 Application Field

The 32FD3710 Film Capacitor is designed for use in audio high-frequency circuits and filter circuits specifically in high-end sound systems, portable audio equipment, and communication equipment. This film capacitor has a minimised dielectric absorption, high-frequency output, fast response time, and low dielectric loss due to its plastic film dielectric. Additionally, this capacitor has a small size and high voltage rating which makes it suitable for compact audio equipment.

32FD3710 Working Principle

The working principle of a film capacitor is based on the electric field between the two metal electrodes. When a potential difference is applied across the electrodes, electric charges accumulate on the surface of the electrode and an electric field is created. This electric field stores energy and is released when the charge is removed from the surface of the electrode. When an alternating current signal is applied to the leads of the capacitor, the electric field is oscillating between the two metal electrodes, causing the charge to alternate between the two plates and generating an electrical signal. The large value of the capacitance of the dielectric film allows a larger amount of charge to accumulate on the surface of the electrodes.

In summary, the 32FD3710 Film Capacitor is a small-size, high-voltage capacitor designed for use in audio high-frequency circuits and filter circuits. Its plastic film design provides a minimised dielectric absorption and fast response time while its metal foils create an electric field to store energy and generate electrical signals.

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