BFC246867393

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Film Capacitors

A film capacitor, also known as a plastic film dielectric capacitor, is a capacitor that uses an insulating thin plastic film as the dielectric and metalized or evaporated aluminum, copper, or zinc electrodes to provide the plates of the capacitor. Film capacitors are of two basic types: plastic film capacitors and paper capacitors. They are used in a wide variety of applications including signal filters, memory backup, power conversion and output compensation.

BFC246867393

The BFC246867393 is a large-capacity film capacitor with an AC voltage rating of 750V and a DC voltage rating of 1,500V. It provides a wide range of capacitance, from 0.01μF to 4700μF, and a low ESR of 0.037Ω. It also offers a wide temperature range from -55°C to +125°C for reliable operation in extreme temperatures.

Application field

The BFC246867393 has a wide range of applications. It is widely used in industrial power supplies, microwave equipment, medical equipment, motor drives, air conditioners, electric vehicles, solar inverters, and other high-frequency switching circuits. It is also used in signal filtering and delay compensation in high-frequency environments.

Working Principle

The working principle of the BFC246867393 film capacitor is based on the electrostatic charge stored between two conducting surfaces, separated by a dielectric or insulating material. The film capacitor utilizes an insulating plastic film as the dielectric material, and metalized aluminum or copper electrodes to form its two conductive surfaces. When a voltage is applied between the two electrodes, a charge is stored as an electrostatic field between the two electrodes due to the insulating properties of the plastic film. The two electrodes will act like two tiny plates of capacitors and will store the charge till the applied voltage is removed.

The capacitance of the film capacitor is determined by the size of the dielectric film, and the capacitance increases with an increase in the width of the dielectric film. The capacitance of the film capacitor will vary depending on the applied voltage, and higher applied voltage will result in higher capacitance. The maximum temperature rating of the BFC246867393 is 125°C, after which the dielectric film can break down, leading to possible failure.

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