SFP37T4K238B-F

Operating Temperature:	-40°C ~ 70°C
Features:	--
Ratings:	--
Applications:	Motor Run
Lead Spacing:	0.810" (20.57mm)
Termination:	Quick Connect, Disconnect
Height - Seated (Max):	2.500" (63.50mm)
Size / Dimension:	1.870" Dia (47.50mm), 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:	4µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Introduction

Film capacitors, also known as Polyester, Polypropylene, or Polycarbonate capacitors, are an important class of electronic components. They are widely used in a variety of applications, from high frequency switching to DC blocking. SFP37T4K238B-F film capacitors are one of the most widely used film capacitors, offering excellent temperature stability and long-term reliability. This article will discuss the application fields and working principles of SFP37T4K238B-F film capacitors.

Applications

SFP37T4K238B-F capacitors are applied in a range of consumer electronics, including television sets, computers, audio and video equipment, cameras, and more. Other applications include AC filters, DC bypass, ESD protection, low-voltage power supplies, discharge protection, lighting control, and automatic lighting control. Film capacitors offer excellent frequency response, which makes them well suited for high frequency switching and filtering.In particular, SFP37T4K238B-F capacitors are used in such applications as automotive electronics and robotics, where their low temperature coefficient makes them an ideal choice. Moreover, due to their long life-time and stability, they are also used for general DC-blocking operations and EMC/EMI filtering.

Working Principle

SFP37T4K238B-F capacitors are composed of two metal sheets separated by a dielectric film, usually polyester, polycarbonate, or polypropylene. When a voltage is applied across the capacitor, an electric field is created between the two plates, which attracts and stores electricity. The amount of electricity stored in the capacitor is proportional to the size of the plates and the dielectric constant of the film. The main properties of SFP37T4K238B-F film capacitors are related to the thickness and quality of the dielectric film and the size of the electrodes. The thicker the film, the higher the capacitance. However, the dielectric film must be designed with high-quality materials to reduce the loss of electric field. The size of the electrodes also has an effect on the capacitance of the capacitor, as a larger area tends to store more electricity. Depending on the application, SFP37T4K238B-F capacitors may have additional features such as temperature compensation to reduce temperature-related distortions in the capacitance. Temperature compensation involves designing the dielectric film with materials that match the changing properties of the dielectric with temperature.

Conclusion

SFP37T4K238B-F film capacitors are one of the most widely used types of film capacitors, offering excellent temperature stability and long-term reliability. These capacitors can be used for a wide variety of applications, from high frequency switching to DC blocking. In particular, their low temperature coefficient makes them suitable for automotive electronics and robotics. Furthermore, they are often used in AC filters, DC bypass, ESD protection, low-voltage power supplies, discharge protection, lighting control and automatic lighting control applications. The capacitance of these capacitors is proportional to the thickness of the dielectric film and the size of the electrodes, and additional temperature compensation features may be included to reduce temperature-related distortions.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description