SFA44T10K375B-F

Dielectric Material:	Polypropylene (PP), Metallized
Features:	--
Ratings:	--
Applications:	Motor Run
Termination:	Quick Connect, Disconnect
Size / Dimension:	2.160" L x 1.310" W (54.86mm x 33.27mm), Lip
Package / Case:	Radial, Can
Mounting Type:	Chassis Mount
Operating Temperature:	-40°C ~ 70°C
Series:	SF
Voltage Rating - DC:	--
Voltage Rating - AC:	440V
Tolerance:	±10%
Capacitance:	10µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction to Film Capacitors

Capacitors have become essential components in the modern world of electronics, with a wide variety of applications ranging from smoothing power supplies, controlling motor speeds, filtering signals, and timing operations. While early capacitors often used oil-filled tubes or large electrolytic capacitors, modern capacitors have evolved into numerous different types and materials, like Film Capacitors.

Film Capacitors Basics

Film capacitors are a type of capacitor which uses thin plastic film (normally polyester or polypropylene film) as the dielectric. Their small size and low cost make them useful in a wide variety of applications, from audio to automotive and industrial needs. Due to their many advantages, they have become more popular than their predecessors, with many models having an extremely long lifespan and extremely low Dielectric Absorption Ratio, making them suitable for a wide range of industries and applications.Film capacitors are generally classified into two categories: polar and non-polar. Polar Capacitors use a dielectric material that requires a positive and negative voltage to be applied. Non-polar Capacitors do not require a polarity in order to work properly and typically have a higher capacitance value.

SFA44T10K375B-F Application Field and Working Principle

The SFA44T10K375B-F is a non-polarized film capacitor, which is widely used in audio, automotive, and various industrial applications. It is composed of two metalized polypropylene sheets, a capacitor core, and a cardboard dielectric between the two layers. When voltage is applied, electricity moves through the capacitor and it stores energy. When the voltage changes (such as when a signal is sent through the capacitor), the electric field inside the capacitor is affected, creating a current flow inside the capacitor. This current flow discharges the capacitor and stores electrical energy again. In this way, the capacitor performs the basic function of storage and release of electrical energy.The SFA44T10K375B-F has a working voltage of 400V, a capacitance of 10µF, and a capacitor temperature of 105℃. Its dimensions are 44mmx25mmx17mm, which makes it a relatively small size capacitor, yet it still provides a very low ESR value, making it suitable for high power applications.

Conclusion

Film capacitors are widely used in a variety of applications, including audio, automotive, and industrial needs. The SFA44T10K375B-F is a non-polarized film capacitor, which is composed of two metalized polypropylene films and a dielectric between them. It offers a working voltage of 400V, a capacitance of 10µF and capacitor temperature of 105℃. Its small size and low ESR makes it suitable for high power applications.

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