BFC2373FE275MI

Operating Temperature:	-55°C ~ 105°C
Features:	Long Life
Ratings:	--
Applications:	General Purpose
Lead Spacing:	0.886" (22.50mm)
Termination:	PC Pins
Height - Seated (Max):	0.768" (19.50mm)
Size / Dimension:	1.024" L x 0.394" W (26.00mm x 10.00mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	MKT373M
Dielectric Material:	Polyester, Metallized
Voltage Rating - DC:	400V
Voltage Rating - AC:	100V
Tolerance:	±10%
Capacitance:	2.7µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Film Capacitors

The BFC2373FE275MI is an example of a Film Capacitor, and in this article, we will explore its application field and working principle.

What is a Film Capacitor?

A Film Capacitor is a capacitor that uses a thin plastic film as the dielectric. This is different from most ceramic capacitors, which make use of an insulating ceramic material. Film capacitors are generally non-polarized, meaning that they can operate bi-directionally, and usually feature no self-healing of short-circuit failures, so any such failure will permanently reduce the capacitance. This is in contrast to ceramic capacitors, which are able to repair short circuits caused by dielectric breakdown. Film capacitors also feature much greater temperature stability than other capacitors, and have a very wide capacitance range, which makes them ideal for use in high voltage applications.

The BFC2373FE275MI

The BFC2373FE275MI is a Film Capacitor that is designed to handle extreme temperatures. It has an operating temperature range of -55°C to +85°C, and features a voltage rating of 275VAC. It also has a capacitance value of 470nF and a maximum capacitance tolerance of ±10%.

Application Field

The main application field for the BFC2373FE275MI is in the automotive sector. It is used to filter out noise and spikes in various car parts such as car audio systems, electric power steering systems, and other electronic systems. This Film Capacitor is also used in other industrial and medical applications.

Working Principle

The working principle of the BFC2373FE275MI is the same as with other capacitors. It is composed of a dielectric, two conductors, and two metal plates. When the two plates are charged, they create an electric field. This electric field stores energy, much like a battery. However, unlike a battery, a capacitor can quickly store and release energy. When a voltage source is connected to the two plates of the capacitor, current will flow and charge the capacitor. As the capacitor charges, the electric field between the two plates will strengthen, and the voltage across the capacitor will increase. This process continues until the voltage of the capacitor matches the voltage of the voltage source. When the capacitor is full, it acts as a current limiter, preventing the voltage source from becoming overloaded. The energy stored in the capacitor can also be used to power other electric components.

Conclusion

In conclusion, the BFC2373FE275MI is an example of a Film Capacitor. While Film Capacitors are generally used in high voltage applications, the BFC2373FE275MI is designed to operate in extreme temperature conditions and is used mainly in the automotive sector. Its working principle is the same as with other capacitors, which is to store and release electrical energy.

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