BFC238660394

ESR (Equivalent Series Resistance):	6 mOhms
Features:	Long Life
Ratings:	--
Applications:	Snubber
Lead Spacing:	0.894" (22.70mm)
Termination:	Screw Terminals
Height - Seated (Max):	1.811" (46.00mm)
Size / Dimension:	1.732" L x 1.181" W (44.00mm x 30.00mm)
Package / Case:	Rectangular Box
Mounting Type:	Chassis Mount
Operating Temperature:	-50°C ~ 85°C
Series:	MMKP386
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	2000V (2kV)
Voltage Rating - AC:	700V
Tolerance:	±10%
Capacitance:	0.39µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tray

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Film Capacitors

BFC238660394 Application Field and Working Principle

Film capacitors, also known as AC capacitors, are capacitors that utilize a thin dielectric film as an insulation layer between two electrodes. They are widely used in AC circuits due to their low losses, high breakdown voltage, and excellent temperature stability. The BFC238660394 is a type of film capacitor which is designed for AC voltage filtering, coupling, and DC blocking applications in various electrical systems.

Construction

The BFC238660394 is a two-terminal, radial-leaded film capacitor. It consists of a thin dielectric film made from polypropylene or polyester, which is rolled up in a cylindrical shape and impregnated with special plastic to increase its stability and durability. The two metal electrodes are attached to the ends of the film, providing the connection points.

Working Principle

The working principle of the BFC238660394 is similar to that of any other film capacitor. In an AC circuit, the capacitor stores energy in the form of electric field between the two electrodes when the current passes through it. This stored energy is then released back into the circuit when the current reverses, creating a lagging current phase shift. This creates an AC voltage across the capacitor\'s terminals which is in phase opposition to the applied voltage. This phase opposition results in a voltage drop between the terminals, thereby creating a filtered and regulated AC output.

Applications of BFC238660394 Capacitors

The BFC238660394 type of film capacitor is mainly used in AC voltage filtering and coupling applications. It is especially useful in AC voltage regulation, noise reduction and dimming applications. It is also used for DC blocking and signal coupling in communication and audio circuits. Additionally, it can be used as a snubber in high-power switching circuits and motor drives to reduce the voltage spikes caused by the switching.

Advantages

The BFC238660394 type of film capacitor offers numerous advantages over other types of capacitors, such as ceramic or electrolytic capacitors. These advantages include a low equivalent series resistance (ESR) and inductance, a wide temperature range, high frequency stability, and a low dielectric absorption ratio. Additionally, these capacitors offer excellent pulse distortion characteristics, making them ideal for noise filtering applications in sensitive electronic equipment.

Conclusion

The BFC238660394 is a type of two-terminal film capacitor that is mainly used in AC voltage filtering, coupling, and DC blocking applications. It offers excellent performance in noise reduction, voltage regulation, and signal coupling applications due to its low ESR and inductance, high frequency stability, and low dielectric absorption ratio. This capacitor is highly reliable and durable and is an ideal choice for many AC voltage filtering and regulation applications.

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