B32912A3683K189

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Film Capacitors

Film capacitors are a type of capacitor constructed from a plastic film deposit such as polyester, polypropylene, polycarbonate, or polyphenylene sulfide, with a metallic layer on each side of the film. They are widely utilized in power electronics and other electrical applications, due to their low inductance and high capacitance. B32912A3683K189 is one of the many varieties of film capacitors on the market, and here we will delve into its application fields and working principle.

Application Field

B32912A3683K189 film capacitor is particularly suitable for use in space-saving, low-profile applications, thanks to its thin and compact profile. This capacitor has a robust, extended service life, making it an ideal option for high-reliability applications such as automotive, white-goods, and electronic control systems. It meets the IEC60664-1 insulation requirements and temperature class 105C requirements, offering a temperature range of -55 to +125C. This makes it suitable for a wide range of different applications.

Working Principle

The B32912A3683K189 film capacitor works by electrostatically forming a capacitance between the two metal layers, separated by an insulative film. This film acts as a dielectric, and when an electric field is applied it stores energy in its electrical field. The capacitance is proportional to the thickness and area of the metal layers, as well as the material used for the dielectric, and can be adjusted to the required value, depending on the combination of these parameters. This capacitor also features low induction and high capacitance, as well as the ability to handle high frequency signals, making it suitable for a variety of applications.

Overall, the B32912A3683K189 film capacitor is a robust and reliable choice for a variety of applications. Its extended service life, temperature range, and low inductance and high capacitance make it an ideal option for high-reliability applications such as automotive, white-goods, and electronic control systems.

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