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Film Capacitors

Capacitors are devices used in electrical circuits to store electrical charges, store energy, and to filter out voltage spikes. Film capacitors, often referred as foil capacitors, are one type of capacitor, widely used in medium- and high-energy applications. The series of BFC236856182 capacitors belong to this type.

Application Field

Film capacitors are ideal for use in applications that require dielectric strength and reliability. The BFC236856182 capacitors, in particular, are especially suited for high-temperature, high-voltage/ surge applications. They are the perfect choice for temperature, surge protection, power supplies, and rectifiers. They are also essential elements in energy-harvesting systems and LED lighting systems. Finally, the BFC236856182 capacitors are suitable for AC motor control driven systems because they show excellent performance in high current areas.

Working Principle

The BFC236856182 capacitor is a metallized polypropylene film capacitor, with metalized aluminum tape wrapped around it. This aluminum tape generates a very thin oxide layer which serves as the dielectric layer. The capacitor also features a 25μm copper coating applied on the aluminum tape, which serves as the bottom electrode. A solid sealant layer seals all the components, giving the capacitor its required reliability.

When a voltage is applied on the capacitor, the charges of the opposite sign are stored in the capacitor in the form of electric field with the dielectric as its medium. The two plates will be released of the charges stored when the capacitor receives a voltage from the outside, allowing the current to pass through and thus providing the expected effects.

Conclusion

In conclusion, the BFC236856182 film capacitor is a great choice for medium- and high-energy applications, particularly in applications that require dielectric strength and reliability. Due to its excellent performance in high current areas, the BFC236856182 capacitor is very well suited to AC motor control driven systems, temperature and surge protection, power supplies, rectifiers, energy-harvesting systems, and LED lighting systems.

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