947D421K112AJGSS Capacitors

Operating Temperature:	-45°C ~ 85°C
Features:	--
Ratings:	--
Applications:	DC Link, DC Filtering
Lead Spacing:	1.260" (32.00mm)
Termination:	Screw Terminals
Height - Seated (Max):	5.945" (151.00mm)
Size / Dimension:	3.346" Dia (85.00mm)
Package / Case:	Radial, Can
Mounting Type:	Chassis Mount
Series:	947D
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	1100V (1.1kV)
Voltage Rating - AC:	230V
Tolerance:	±10%
Capacitance:	420µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Film capacitors, or sometimes called film dielectric capacitors, are electrical components used to store energy as an electrical charge and are one type of capacitor. They are composed of two metal conductors, usually aluminum, separated by a thin plastic film insulator. They are commonly used in electronic circuits to provide a bypass path for high frequency signals, control noise, and smooth out AC ripple current. The most commonly used model of film capacitors is the 947D421K112AJGSS.

Application Field

Film capacitors, including the 947D421K112AJGSS, find themselves in a wide variety of electrical circuits. From basic filtering of electrical signals to adjusting the charge/discharge timing of pulse signals, these components can provide the desired solution.The 947D421K112AJGSS capacitors are primarily used in high resolution audio systems, due to their ability to reduce noise and distortion. When combined with other components in the audio system, the 947D421K112AJGSS helps to ensure a clear sound with no interference from outside sources.Other common applications of the 947D421K112AJGSS capacitors include:

• Inverter circuits
• Power supply circuits
• Switching and voltage regulator circuits
• Motor control circuits
• High frequency radio transmitters and receivers

Working Principle

Film capacitors, such as the 947D421K112AJGSS, work on a similar principle as other capacitors. When an electrical current is sent through a film capacitor, an electrical charge is stored as an electrical field on the surface of the plastic dielectric film. This stored charge is known as “capacitance” and can be measured as voltage.Film capacitors are known for their ability to handle higher voltage than other styles of capacitor and their ability to reduce EMI (electromotive interference). The 947D421K112AJGSS capacitors have also been designed to withstand high temperature environments, making them ideal for automotive, industrial, and medical applications.

Conclusion

The 947D421K112AJGSS capacitors are a type of film capacitor designed for high performance applications. These capacitors are capable of providing a bypass path for high frequency signals while also reducing noise and smoothing out surges of current. They are commonly used in high resolution audio systems, inverter circuits, power supply circuits, switching regulators, and motor control circuits. Film capacitors, including the 947D421K112AJGSS, use an electrical field on an insulative plastic dielectric to store electrical charge. This charge is then used to provide a reliable source of energy in a variety of circuits. Thanks to their ability to withstand high temperatures and their high voltage ratings, these capacitors are a valuable tool for many applications.

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