BFC2370EI184

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Film Capacitors

A film capacitor, also known as a plastic or polymer film capacitor, is a capacitor which utilizes a thin plastic film as its dielectric material and uses metalized electrodes to store electrical energy. Film capacitors are distinct from conventional electrolytic capacitors in that the dielectric consisting of a thin film (not a liquid like traditional electrolytic capacitors) can provide numerous advantages, such as high tolerance for environmental conditions, long life, low cost, and high stability.

BFC2370EI184 is one type of film capacitor specially designed for high-frequency automotive electronic-controlled fuel injection (EFI) applications. This capacitor features a remarkable high performance due to longer case life and high insulation resistance. It also offers superior industrial-grade performance with its operating temperature up to 125°C and the ability to withstand extreme humidity and temperature.

Application Field

The BFC2370EI184 is a great choice for most automotive EFI applications, specifically in vehicles with features such as high-speed air mass sensors, electronically controlled coupled injectors, and drivability management systems. It can also be used for other automotive applications such as audio, gauge systems, and lighting.

Working Principle

The BFC2370EI184 works with the same principles as other film capacitors. It has two metalized electrodes that are coated with a thin layer of plastic film. The electrodes sandwich the dielectric film in between them. When electric current passes through the capacitor, the plastic film layer acts as an insulation material, allowing the current to be stored. The film capacitance determines how much electric current is stored in the capacitor. The higher capacitance generates more energy storage.

For automotive EFI applications, the BFC2370EI184 capacitor can reduce power noise and improve high-speed signal characteristics. It also provides power supply stability for fuel pumps, fuel injectors, and other audio devices that are sensitive to input noise. Overall, the capacitor provides improved responsiveness, fuel efficient performance, longer system life, and higher reliability.

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