SFC28S55L391K-F

Operating Temperature:	-40°C ~ 90°C
Features:	High Temperature
Ratings:	--
Applications:	General Purpose
Lead Spacing:	0.810" (20.57mm)
Termination:	Quick Connect, Disconnect
Height - Seated (Max):	4.030" (102.36mm)
Size / Dimension:	2.910" L x 1.910" W (73.91mm x 48.51mm)
Package / Case:	Radial, Can
Mounting Type:	Chassis Mount
Series:	SF
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	--
Voltage Rating - AC:	280V
Tolerance:	±3%
Capacitance:	55µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Film Capacitors

Film capacitors are one of the most widely used types of capacitors in the electronics world. They are used in a huge range of applications, from power supplies to audio systems, and from automotive to aerospace applications. Capacitors consist of two metal plates separated by an insulating material, known as the dielectric. It is this dielectric material that dictates the electrical characteristics of the capacitor. Film capacitors use polyester or plastic films as the dielectric material, offering a range of advantages.The SFC28S55L391K-F is one type of film capacitor which offers a range of excellent features. It is commonly used in power supplies, motor drives, lighting and UPS applications. It has a high-surge current rating and is made of a special, long-term stability dielectric material. This ensures long life and low temperature coefficient. The SFC28S55L391K-F features a maximum working voltage of 400V and a capacitance range of 0.0047uF to 47uF. It is a special low inductance design, available in radial, snap-in and DIN types. It is compliant with EIA-456-A, UL-94V-0 standards.The working principle of a capacitor is based on the idea of charging and discharging. When a voltage is applied to the two metal plates of the capacitor, electrons are forced to flow into one plate to create an electrical field that is stored or ‘stored energy’. When the voltage is removed, the field collapses, causing the electrons to flow out of the plate, thus discharging the capacitor.The SFC28S55L391K-F works by taking advantage of this storing energy principle. When a voltage is applied to the plates of the capacitor, it stores energy and builds up an ‘electric field’ which is proportional to the charge on the plates. This stored energy can be quickly released when the voltage is removed, and it is this quick and efficient way of discharging and recharging the capacitor that gives it its excellent performance characteristics.The SFC28S55L391K-F is a highly reliable capacitor thanks to its high quality construction and long-term stability dielectric material. It is also very efficient in its energy use, meaning it can operate for a long time without needing to be recharged. This makes it an excellent choice for a variety of applications, from power supplies to motor drives.When choosing a film capacitor, it is important to consider the features that each type offers and how well it meets the specific requirements of the application. The SFC28S55L391K-F is a great choice for those looking for a reliable and efficient capacitor that can handle high voltages. Its long-term stability dielectric material ensures a long life and low temperature coefficient, making it an excellent choice for many applications.

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