B32520C6472K189

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Introduction to Film Capacitors

A film capacitor is a capacitor that uses layers of dielectric material, usually plastic film, to store energy. A film capacitor\'s dielectric material is usually a polyethylene terephthalate (PET) film, however premium capacitors often feature kapton (polyimide) film due to its higher temperature resistance. Film capacitors generally provide high volumetric efficiency due to their thin form factor. As a consequence of their thin form factor, they are also frequently used in power supply applications and other applications where low ESR (equivalent series resistance) is needed.

B32520C6472K189 Film Capacitor Application Field and Working Principle

The B32520C6472K189 is a type of film capacitor manufactured by Epcos. It is typically used in applications such as DC link and pulse power supplies, and power smoothing. This type of film capacitor uses an aluminum foil as its electrode and a layer of PET film as its dielectric material.

The B32520C6472K189 film capacitor features an inclusion of a polyester film capacitance element for safety and stability. The capacitance element provides protection and insulation between the electrodes. The thin dielectric layer allows for a higher capacitance per volume. This makes the film capacitor well-suited for applications where space is a major factor.

In terms of operation, the capacitance of a film capacitor is determined by the amount of insulation material between the two metal plates. As voltage is applied to the electrodes, the centerelectrode forms a dielectric barrier that stores the charge. The film capacitor\'s insulation material helps to increase the capacitance of the device.

Conclusion

In conclusion, the B32520C6472K189 film capacitor from Epcos is a type of film capacitor that features a polyester film capacitance element for safety and stability. It is typically used in applications such as DC link and pulse power supplies, and power smoothing. The thin dielectric layer of the film capacitor allows for a higher capacitance per volume, thus making it well-suited for applications where space is a major factor.

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