BFC236843473

Film Capacitors

BFC236843473 film capacitors are widely used for power supply decoupling in the power supply filter network and in the output circuit of an electronic circuit. This capacitor is made up of two metal layers that are separated by a dielectric film. The metal layers are typically aluminum or metal foil and the dielectric film is made up of various polymers such as polypropylene, polyester, and polyphenylene sulfide. The dielectric film provides insulation between the two metal layers, which are also typically referred to as plates.

Application Field and Working Principle

BFC236843473 film capacitors are used in many different applications, the most common being in power supplies, signal filtering and decoupling, and RF timing. In most applications, these capacitors are used to help reduce the noise in an electronic circuit. This is done by creating a charge across their dielectric film, which impedes any AC signals that are present from entering the circuit. The charge is produced when a voltage is applied across the two plates of the capacitor and an electric field is created.

Depending on the application, the capacitance of the BFC236843473 can be changed to provide the required filtering characteristics. This is done by changing the thickness of the dielectric material, the area of the plates, or the distance between the plates. The capacitance of a film capacitor is determined by the formula: C = εA/d, where C stands for capacitance, ε stands for permittivity, A stands for the area of the plates in meters squared, and d stands for the distance between the plates in meters. As capacitance increases, the frequency of the AC signals that can be impeded also increases. This makes film capacitors ideal for use in RF applications.

Another benefit of BFC236843473 film capacitors is their temperature stability. Despite high temperatures being present in many power supply applications, these capacitors can provide stable performance over a wide temperature range due to the dielectric material. This stability allows for reliable operation of the power supply over extended periods of time.

BFC236843473 film capacitors are also known for their high reliability and long life span. This is due to their low leakage current and the fact that the plates are made of metal, which increases their resistance to oxidation and corrosion. Additionally, film capacitors do not suffer from intrinsic breakdowns or long-term capacitor degradation like other types of capacitors, making them a reliable choice for power supply applications.

In conclusion, BFC236843473 film capacitors are an ideal choice for power supply applications due to their high reliability, long life span, temperature stability, and low leakage current. Additionally, their capacitance can be changed to provide the desired filtering characteristics in any given application.