BFC237668913

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Film Capacitors

A film capacitor is a type that exhibits a much larger capacitance value than other types, due to its very thin insulating film and low dielectric constant. This type of capacitor uses a film or mylar as its dielectric material, which is much thinner than a metalized-polypropylene type.

BFC237668913 is a film capacitor which is widely used in a variety of applications. One of the most common applications is in the use of audio crossover networks, where they are used to provide a great deal of control over the frequency response of a system. Additionally, they are commonly used in power supply systems, as they are able to deliver a predictable and reliable output.

Application Field

This BFC237668913 film capacitor is a perfect choice for coupling, cleaning, buffering, and high frequency applications. It can also be used as a signal bypass for dc, providing an effective barrier between circuits. Moreover, it is also suitable for many high-frequency circuits such as radio receivers, logic and switches.

In addition, it can also be used in a variety of high-voltage and high-current applications. It has excellent dynamic resistance characteristics that make it highly suitable for frequency compensation, AC/DC conversion circuits, and voltage stabilization in circuits.

Working Principle

The BFC237668913 film capacitor is built using virtually identical structure. The construction of the film capacitor consists of two anodized layer of aluminum foil electrodes which separated by an insulated polyimide film. This is all sealed up in a cylindrical usually hydrocarbon-filled case.

The working principle of this film capacitor is similar to that of other capacitors; when a voltage is applied to the terminals, a majority of it passes through the dielectric material causing a small amount of charge to accumulate. This charge attracts ions from the hydrocarbon filled case, creating a shielding layer against the foil which helps to further reduce the capacitance.

The capacitance and current rating of the film capacitor can be determined by the shape and construction of the electrodes, as well as the type of insulating material used. Additionally, since the capacitor works by accumulating charge, they have low leakage current thus providing a steady flow of current over a long period of time.

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