SFP44T20K284B-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):	2.960" (75.18mm)
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:	440V
Tolerance:	±10%
Capacitance:	20µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Film Capacitors

Film capacitors constitute a class of capacitors with a wide range of capacitances and quality factors used in a variety of applications. They are divided into three types: Film-Foil capacitors, Polyester capacitors, and Polyester-Film-Foil capacitors. SFP44T20K284B-F is a type of film or film-foil capacitor. It is a non-polarized capacitor that is used for applications such as coupling and bypass applications, where high breakdown energy and dielectric absorption is necessary. Its varistor voltage can be adjusted by changing its temperature and applied voltage, making it suitable for controlling the voltage of low impedance DC circuits. SFP44T20K284B-F capacitors are divided into two categories: AC capacitors and DC capacitors. As per the name suggests, AC capacitors are used in AC circuits, while DC capacitors are used in DC circuits. The working principle of SFP44T20K284B-F film capacitors is based on the storage and exchange of electrical charge. An alternating voltage applied to the electrodes of the capacitor creates a pulsating electric field between the electrodes; due to this electric field, electrical charge is stored on the electrodes, and is exchanged between them over time. The capacitance, which is a measure of the capacity to store charge, of an SFP44T20K284B-F film capacitor is generally low, typically ranging between 0.1 and 2 μF. The voltage rating of these capacitors is typically between 10 and 1000 volts DC or 15 and 1000 volts AC. SFP44T20K284B-F film capacitors are typically used in RF designs, switch mode power supplies, and converters. In addition, they are used as input and output filters, in RF matching networks, wave shaping circuits, and in high frequency AC filters. SFP44T20K284B-F capacitors generally exhibit low ESR and low self-inductance, providing high performance with improved circuit efficiency, allowing them to be used in high frequency switching applications. These capacitors also provide excellent surge and transient protection, making them ideal for use in power supplies and other circuits that are subject to frequent inrush current.The construction of SFP44T20K284B-F film capacitors typically consists of a dielectric film sandwiched between two layers of metal foil electrodes. The dielectric film is made from ethylene-terephthalate (ETP) film, and is coated on the surfaces of both the metal foil electrodes and applied with various additives that provide improved stability, insulation properties, and temperature compensation. SFP44T20K284B-F capacitors offer excellent voltage and temperature stability, low dielectric losses, and high energy density. The high surge current capability and low dielectric absorption property of these capacitors make them suitable for use in power conversion applications. In conclusion, SFP44T20K284B-F film capacitors are a type of film or film-foil capacitor that offer excellent performance in applications such as RF designs, switch mode power supplies, and converters. Their low capacitance, high voltage rating, and excellent voltage and temperature stability make them ideal for use in high frequency switching applications.

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