947D221K112BCMSN

ESR (Equivalent Series Resistance):	1.5 mOhms
Features:	--
Ratings:	--
Applications:	DC Link, DC Filtering
Lead Spacing:	1.772" (45.00mm)
Termination:	Screw Terminals
Height - Seated (Max):	2.992" (76.00mm)
Size / Dimension:	3.543" Dia (90.00mm)
Package / Case:	Radial, Can
Mounting Type:	Chassis Mount
Operating Temperature:	-45°C ~ 85°C
Series:	947D
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	1100V (1.1kV)
Voltage Rating - AC:	230V
Tolerance:	±10%
Capacitance:	220µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Film Capacitors

A 947D221K112BCMSN film capacitor is a monolithic device used to store electrical energy and discharge it upon the need. It is constructed with a series of layers of dielectric material, most commonly polyester or polypropylene, aluminum, and copper foil, all of which are formed between two metal plates. It is widely employed in consumer electrical goods such as televisions, washing machines, audio-video equipment, power amplifiers, and computers.Film capacitors are ideal for a large range of applications where low ripple, high frequency discrimination, and long life are required. Their major advantages are their low cost and low ESR (Equivalent Series Resistance) - also they are capable of handling currents up to 100A or higher.The most commonly used material for constructing film capacitors is polyester, which provides ample insulation, resistance to temperature and vibration, and good dielectric properties that make it ideal for a wide range of applications. The metal foil is typically aluminum or copper, and is used to form the conductive areas of the capacitor. A metallized film substrate is used to provide a good contact between the dielectric and the metal foil.The working principle of film capacitors is based on the accumulation of electric charge between two conductive surfaces that are insulated from each other. The electric charge is transferred across a thin film of dielectric material, creating a capacitor. This capacitor stores energy through the electrostatic interaction between the two conducting surfaces. When a voltage is applied across the capacitor, positive and negative charge is moved between the two surfaces, resulting in a change in energy.In applications, film capacitors provide superior performance and reliability compared to other types of capacitors such as electrolytic capacitors. They are very efficient in the transmission of current while still providing high levels of insulation, insulation, and vibrationproofing. Furthermore, they are very stable due to their low heat generation and low resistance, and their low ESR makes them suitable for use in high frequency applications.Film capacitors are found in all kinds of consumer and commercial products, from medical equipment to PCs and home entertainment systems. They are often used in audio power amplifiers, as well as many types of automotive electrical systems. They are also employed in the telecom industry, where their high insulation and low ESR make them invaluable for a wide range of applications.Film capacitors provide superior performance and reliability for a wide range of applications and are becoming increasingly popular due to their low cost and versatility. Thanks to their low cost, durability, and energy efficiency, 947D221K112BCMSN film capacitors are an ideal choice for most applications.

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