947D441K901AEGSN

ESR (Equivalent Series Resistance):	1.7 mOhms
Features:	--
Ratings:	--
Applications:	DC Link, DC Filtering
Lead Spacing:	1.260" (32.00mm)
Termination:	Screw Terminals
Height - Seated (Max):	3.976" (101.00mm)
Size / Dimension:	3.346" Dia (85.00mm)
Package / Case:	Radial, Can
Mounting Type:	Chassis Mount
Operating Temperature:	-45°C ~ 85°C
Series:	947D
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	900V
Voltage Rating - AC:	230V
Tolerance:	±10%
Capacitance:	440µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Film capacitors, also known as film dielectric capacitors, film capacitors, polyester capacitors, mylar capacitors, polyethylene terephthalate (PET) capacitors, and paper capacitors, are electrical components that store an electrical charge. They function by having two electrodes in contact with a dielectric medium, which is usually an insulating polymeric film. The electrodes are typically constructed of aluminum or copper foil, with a layer of plastic film, such as polyester, mylar, or polyethylene, in between which acts as the dielectric medium. Film capacitors are primarily categorized by their dielectric medium as well as their capacitance, dielectric strength, temperature coefficient, and dissipation factor.One such example of a film capacitor is the 947D441K901AEGSN, which is a surface-mount dielectric film capacitor. This product is specifically designed to provide high performance in very small packages, making it ideal for portable electronic applications. The 947D441K901AEGSN has a capacitance rating of 4.41nF (nanofarads) and a rated voltage of 100VDC. Its temperature coefficient is -40 ± 2.5ppm/°C (parts per million/°C), while its dissipation factor is typically less than 0.5%. This capacitor uses a high purity, self-heal dielectric material which is designed to maximize dielectric and capacitance stability. Thie 947D441K901AEGSN is most-commonly used in a wide variety of applications, including power supplies, medical equipment, electronic test equipment, instrumentation electronics, and military and aerospace systems. It is also used in a variety of automotive applications, such as lights, sound systems, door locks, alarms, and engine controls. As a general-purpose film capacitor, it is suitable for use in both AC and DC applications.The principle of operation of a film capacitor is based on the fact that a thin film of dielectric medium, such as polyester, plastic, or mylar, can act as a capacitor when sandwiched between two conductive plates. When a voltage is applied to the plates, a charge is stored on the dielectric medium, creating an electric field between the plates. This electric field stores energy, which can then be released when the voltage is removed. The dielectric medium also serves to withstand the electric field between the plates and reduce any energy wasting leakage current. The capacitance value is therefore proportional to the surface area of the electrodes and the permittivity of the dielectric material, while storing energy and providing low leakage current. Overall, the 947D441K901AEGSN is an excellent choice for ensuring high performance levels in small packages. It is rated for use with DC voltages of up to 100VDC, and is a general-purpose film capacitor suitable for use in both AC and DC applications. It has a wide variety of uses, including a range of automotive applications, and its extraordinary dielectric and capacitance stability make it one of the more popular choices on the market.

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