B32776T9755K000

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Film Capacitors

A film capacitor is an electronic capacitor that combines a plastic film as the dielectric medium that is usually either polyethylene-terephthalate (PET) or polypropylene (PP). In their simplest form, film capacitors are constructed by taking two metal electrodes and sandwiching them with a thin layer of the dielectric film.

One of the most widely used film capacitors on the market is the B32776T9755K000. The B32776T9755K000 film capacitor offers a highly reliable and versatile solution for a variety of applications.

Application Field of B32776T9755K000 Film Capacitor

The B32776T9755K000 is a great option for medium-sized capacitance values between 10nF and 470nF and is especially suitable for applications where self-healing properties are required, such as AC motor winding, lighting, power supplies, and power quality. It is suitable for AC and DC power applications, with AC ripple current ratings of up to 0.01 mA/Vrms. Since the capacitor features low damping, it is suitable for applications with variable frequencies.

Working Principle of B32776T9755K000 Film Capacitor

The B32776T9755K000 film capacitor works in the same way as other film capacitors. It works by storing energy between two electrodes that are separated by a dielectric film. The dielectric film is the insulation medium between the electrodes and allows for an electric charge to build up within the capacitor.

When an external alternating current (AC) electric field is applied to the capacitor, a field develops across the dielectric. This electric field increases the stored charge and produces a capacitance that can be measured. The capacitance is related to the area between the electrodes, as well as the dielectric constant of the film. The capacitor will hold the stored energy as long as the electric field is applied.

When the external AC electric field is no longer applied, the stored charge will gradually dissipate over time. This is known as ‘self-discharging’, and it is an important property of film capacitors. The self-discharge rate will depend on the specific type of dielectric used, and the rating of the capacitor.

Conclusion

The B32776T9755K000 is a highly reliable and versatile film capacitor that is suitable for medium-sized capacitance values between 10nF and 470nF. It offers excellent self-healing properties and is suitable for both AC and DC power applications. The working principle of this capacitor is the same as other film capacitors; it stores energy between two electrodes that are separated by a dielectric film and will hold the stored energy as long as the electric field is applied.

Overall the B32776T9755K000 film capacitor is a reliable and cost-effective solution for a range of applications. It is a great option for medium-sized capacitance values where self-healing properties are required.

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