SFA66T5K388B-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):	3.870" (98.30mm)
Size / Dimension:	2.160" L x 1.310" W (54.86mm x 33.27mm), Lip
Package / Case:	Radial, Can
Mounting Type:	Chassis Mount
Series:	SF
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	--
Voltage Rating - AC:	660V
Tolerance:	±10%
Capacitance:	5µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Film capacitors are used in various circuits as filtering, buffering, and energy storage components. They\'re typically used in AC or AC-DC power conversion, motor drives, home appliance lay-outs, telecom applications, and are used to reduce power loss or increase efficiency of a PCB. The SFA66T5K388B-F is a film-capacitor developed by the TDK Corporation, It is widely applicable in different areas of power circuits. This article will analyze the application field and working principle of the SFA66T5K388B-F film capacitor.

Application fields of SFA66T5K388B-F

The SFA66T5K388B-F is a film capacitor featuring high current handling capabilities, excellent stability, low self-inductance and improved reliability owing to its better molding reliability and the use of a flame-retardant resin. It is applicable in high-frequency, high-reliability, high-efficiency, and high-power electrical circuits as well as circuits that require superior ripple-current characteristics for improved power factor.The SFA66T5K388B-F is well-suited for AC and AC/DC power conversion in high-frequency applications, such as switching power supplies in computers, gas discharge lighting fixtures, and even cell phones. It is also used in motor drives, adjustable speed applications, as well as wind turbine generators. It is the ideal solution for various applications requiring a high ripple current and good overload characteristics for improved efficiency. The SFA66T5K388B-F is particularly suited for high-efficiency and high-power applications such as the efficient and compact inverters used in a variety of solar, wind, and tidal energy systems.

Working Principle of SFA66T5K388B-F

The SFA66T5K388B-F capacitor is an insulation film capacitor. As its name suggests, this kind of capacitor utilizes an insulating film instead of polarizable dielectric material, such as ceramic. This film is wound around two or more metallic electrodes and sealed in a robust shell.The SFA66T5K388B-F works by storing energy in an electric field between two conductive, charged surfaces. When the capacitor is connected to a circuit, it is said to take in electric charge within its cased structure and in turn, generates an electric field. This electric field then stores energy until it is discharged by the external circuit. One of the primary advantages of this capacitor is its repetitive charge-discharge efficiency. This means that the capacitor’s efficiency can remain constant over a range of operation temperatures, as well as over a lengthy period of use.The SFA66T5K388B-F can function as either an AC filter or a DC filter, depending on its application. In AC applications, the capacitor works to reduce fluctuating current, stop ringing, and filter out the buzz created by power fluctuation. A DC filter on the other hand, works to reduce the ripple to a negligible level at the output of a DC voltage.

Conclusion

The SFA66T5K388B-F film capacitor is a reliable and efficient capacitor ideal for numerous AC or AC/DC power conversion applications. It is known for its high current handling capabilities, excellent stability, low self-inductance, and improved reliability. It is applicable as an AC or DC filter in many electrical circuits, such as motor drives, high-efficiency and high-power systems, adjustable speed applications, as well as wind turbine generators. The SFA66T5K388B-F works by storing energy in an electric field between two conductive, charged surfaces, and can maintain a repetitive charge-discharge efficiency over a range of temperatures and over a lengthy period of use. Overall, the SFA66T5K388B-F film capacitor is a versatile and reliable capacitor with superior performance. It is the preferred choice in many applications requiring both high performance and reliability.

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