SFS37S55K375B

Operating Temperature:	-40°C ~ 70°C
Features:	--
Ratings:	--
Applications:	Motor Run
Lead Spacing:	0.810" (20.57mm)
Termination:	Quick Connect, Disconnect
Height - Seated (Max):	3.870" (98.30mm)
Size / Dimension:	2.120" Dia (53.85mm), Lip
Package / Case:	Radial, Can
Mounting Type:	Chassis Mount
Series:	SF
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	--
Voltage Rating - AC:	370V
Tolerance:	±10%
Capacitance:	55µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction to Film Capacitors

Film capacitors belong to the family of capacitors, which are Electronic components that store electrical energy in an electric field. The electric field is created by a pair of conducting plates separated by an insulating or dielectric material. This type of capacitor features really high frequency response and low dielectric absorption, making them particularly useful for use in applications ranging from audio and AC power filtering to data processing, telecommunications applications, and noise cancellation.

The SFS37S55K375B Film Capacitor

The SFS37S55K375B Film Capacitor is a Metallized Polypropylene Film Capacitor which features low ESR and high ripple current capacity. This makes it best suited for use in AC power line filtered circuits, audio equipment, and power electronic systems.

Application Fields and Working Principle

The SFS37S55K375B Film Capacitor is best suited for use in applications such as AC power line filtered circuits, audio equipment, and power electronic systems. It features a metallized film, which is formed by coating the film with many thin aluminum layers. The aluminum layers form the electrodes of the capacitor, and the film serves functions as the dielectric between the two electrodes.This type of capacitor offers higher working voltage than its aluminum or ceramic counterparts, and also offers lower ESR than the other types. The metallized film construction helps to provide low ESR, low dissipation factor, and low dielectric absorption, which makes it particularly suitable for correcting power factor and providing line compensation, rectification, and motor-run applications. In addition, this type of capacitor also has low failure rates and stable performance, and it can withstand high temperatures with reliability and consistency.As for its working principle, the SFS37S55K375B capacitor works in the same way as other traditional capacitors, by allowing AC energy to pass through, while blocking DC energy. This is done by storing electric energy between the two metal electrodes. As the current flows through the capacitor, electrons are stored on one electrode, and a corresponding number of electrons is removed from the other electrode. This creates an electric field between the electrodes, which is the basis of capacitance.

Conclusion

The SFS37S55K375B Film Capacitor is a Metallized Polypropylene Film Capacitor which features low ESR and high ripple current capacity. This makes it best suited for use in AC power line filtered circuits, audio equipment, and power electronic systems. It work by allowing AC energy to pass through, while blocking DC energy, which is done by storing electric energy between the two metal electrodes. This type of capacitor features low failure rates and stable performance, as well as the ability to withstand high temperatures with reliability and consistency.

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