B25838L8475K4

Operating Temperature:	-25°C ~ 85°C
Features:	--
Ratings:	--
Applications:	Damping
Lead Spacing:	1.378" (35.00mm)
Termination:	Screw Terminals
Height - Seated (Max):	7.638" (194.00mm)
Size / Dimension:	2.528" Dia (64.20mm)
Package / Case:	Radial, Can
Mounting Type:	Chassis Mount
Series:	B25838
Dielectric Material:	--
Voltage Rating - DC:	--
Voltage Rating - AC:	1100V (1.1kV)
Tolerance:	±10%
Capacitance:	4.7µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction to Film Capacitors

Film capacitors are electronic components that belong to the family of capacitors. These capacitors are made from a film dielectric, usually polyester, polyphenylene sulfide, polypropylene, paper, etc. Due to their very low parasitic properties, they are considered to be ideally suited for bypassing and decoupling applications such as motor start-ups, power supplies, and anything related to controlling peak currents. Further, they are also frequently used in time constants, signal processing, and filters.

B25838L8475K4 Application Field and Working Principle

The B25838L8475K4 is a film capacitor that is extensively used in industrial and commercial applications. This capacitor is designed with higher capacitance and capacitance tolerance than other devices of its kind. It also provides excellent temperature stability and withstands vibration, making it perfect for diverse industrial applications where vibration is a problem.The B25838L8475K4 features a higher max operating temperature of 165°C than other film capacitors that typically operate at 125°C. The higher temperature capability allows it to be used in a variety of applications, such as motor start up applications, power supplies, high frequency decoupling circuits, bypass applications, or in power factor correction circuits.In terms of functionality, the B25838L8475K4 capacitor acts as a decoupling capacitor, separating the DC bias (or input) voltage from the AC signal voltage. The capacitor filters out the AC signal, leaving only the DC bias voltage. This is important because it ensures that the DC bias voltage does not cause interference with the AC signal and vice versa. In terms of construction, the B25838L8475K4 is made of two metal electrodes separated by a dielectric film. The dielectric film works as an insulator between the electrodes and stores electrical energy as a static electric field. This stored energy can be released when the applied voltage across the capacitor is decreased.The B25838L8475K4 has a low dissipation factor due to the toughness of the material it is made from. The dissipation factor is a measure of the power loss of a capacitor. The lower the dissipation factor, the higher the quality of the film capacitor, and the better its protection against interference. In terms of characteristics, the B25838L8475K4 provides excellent capacitance stability over temperature and operating voltage. This makes it suitable for applications that require steady operation over time or over temperature fluctuations. In terms of accuracy, the B25838L8475K4 has an extended temperature range and high capacitance per unit volume.

Conclusion

In conclusion, the B25838L8475K4 is a film capacitor that is designed specifically for industrial and commercial applications. It provides excellent temperature stability, withstands vibration, and has a higher max operating temperature than other film capacitors, making it perfect for motor start up applications, power supplies, high frequency decoupling circuits, bypass applications, power factor correction circuits, and other applications that require steady operation over time or temperature changes. It also has a low dissipation factor and excellent capacitance stability, which makes it an ideal choice for many industrial applications.

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