SFC44S30K391B-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):	4.030" (102.36mm)
Size / Dimension:	2.910" L x 1.910" W (73.91mm x 48.51mm), Lip
Package / Case:	Radial, Can
Mounting Type:	Chassis Mount
Series:	SF
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	--
Voltage Rating - AC:	440V
Tolerance:	±10%
Capacitance:	30µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Film CapacitorsFilm capacitors are electrical devices made up of thin insulating films coated with metal electrodes. The capacitance of this type of capacitor is determined by the area and the distance between the electrodes. The most commonly used dielectric materials are made of polypropylene (PP), nylon and plastic film.One of the common types of film capacitor is the SFC44S30K391B-F film capacitor. This type of capacitor is typically used in high frequency applications where its lowdielectric loss and low parasitic effects are beneficial.SFC44S30K391B-F film capacitors are suitable for a variety of applications, including radio frequency, harmonic filtering, power conditioning, EMI/RFI filtering, and DC blocking. They offer both high reliability and excellent electrical performance and are often used in harsh digital circuit environments.The SFC44S30K391B-F capacitor uses a thin polypropylene film as its dielectric material, which is then combined with metallization layers and wrapped in non-woven Dacron insulation. The non-woven Dacron insulation provides a high degree of electrical insulation and the capacitor is rated for a temperature range of -40°C to +85°C.The SFC44S30K391B-F capacitor has a low temperature coefficient and outperforms many other types of film capacitors in terms of size, weight and performance. Its working principle is based on the capacitor’s ability to store electrical energy in the form of an electric charge between two conductors. When an electrical signal is applied to the capacitor, its two electrodes interact with the dielectric material to generate a charge. This charge stores the energy from the signal and is held between the two electrodes until it is released or discharged. The amount of energy stored in the capacitor varies depending on the amount of charge stored. This is determined by the capacitance value of the capacitor, which is measured in Farads. The capacitance of the SFC44S30K391B-F is 191pF and is typically used in applications with frequencies up to 10MHz. The SFC44S30K391B-F film capacitor is designed to be a reliable, low-cost capacitor solution for industrial and consumer applications. The capacitors are typically used in automotive, industrial, audio/video, telecommunications, computers, test and measurement equipment, and other high-frequency electronic applications. Because of its high reliability and excellent electrical specifications, this type of capacitor is used in a number of power electronic and SMPS designs. It is also used in many signal and timing circuits as well as in triggering and clock circuits. In conclusion, the SFC44S30K391B-F film capacitor is a reliable and cost-effective electrical device ideal for a range of electronic applications. Due to its low parasitic effects, its low dielectric loss and its large capacitance value, it is a popular choice for various high frequency applications.

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