BFC246828124

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Film capacitors, also known as film dielectric capacitors or film capacitors, are capacitors whose dielectric is a thin film. It has a metal film structure and is formed by forming a metal film on a film surface, then forming an external electrode on the metal film or directly forming the external electrode on the film. In addition, an environmental protective layer is formed outside. BFC246828124 capacitors can be classified as film capacitor type. This type of capacitor has a relatively complete physical structure and a wide application field.

It is generally used in a linear circuit. In the circuit, the film capacitors have obvious functions of filtering and decoupling, which can improve the output of the linear circuit. In addition, it can be used to eliminate the influence of power frequency and high-frequency interference signals, and reduce the noise generated by the signal circuit to improve the signal-to-noise ratio. The use of film capacitors can block the DC power supply and reduce the current consumed by the circuit components, thereby improving their service life.

In terms of working principle, a film capacitor is composed of two electrodes on opposite sides of a film. The area of the two electrodes and the thickness of the metal film as a dielectric determine the capacitance value. The metal film acts as an insulator, preventing current from flowing directly between the two electrodes. The current will be stored in the electrostatic field formed on the surface of the film. The most common material used for the film of a capacitor is Polyethylene terephthalate (PET).

In addition, this type of capacitor has a low series resistance and low dielectric loss characteristics, and is not easy to be affected by temperature and humidity. It also has higher electrical characteristics and better environmental resistance. Due to its excellent performance, film capacitors have become one of the preferred components for a variety of applications such as power broadcasts, hi-fi tuning circuits, switching power supply filters, etc.

In summary, BFC246828124 capacitors belong to film capacitor type, which have a wide application field and work on the principle of electrostatic field which occurs in between two electrodes. The excellent performances and features make them a preferable choice for a variety of applications.

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