CGH292T350W3L

Polarization:	Polar
Package / Case:	Radial, Can - Screw Terminals
Mounting Type:	Chassis Mount
Surface Mount Land Size:	--
Height - Seated (Max):	3.625" (92.08mm)
Size / Dimension:	2.500" Dia (63.50mm)
Lead Spacing:	--
Ripple Current @ High Frequency:	8.364A @ 10kHz
Ripple Current @ Low Frequency:	6.8A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	CGH
Operating Temperature:	-40°C ~ 85°C
Lifetime @ Temp.:	1000 Hrs @ 85°C
ESR (Equivalent Series Resistance):	53.1 mOhm @ 120Hz
Voltage - Rated:	350V
Tolerance:	-10%, +50%
Capacitance:	2900µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Aluminum Electrolytic Capacitors are widely used in consumer electronics, industrial equipment, automotive and other products. CGH292T350W3L is one of the aluminum electrolytic capacitors. This report provides an overview of CGH292T350W3L, which includes applications and the working principle.

Application Field

The CGH292T350W3L is a miniature aluminum electrolytic capacitor, with 15 volts and 350 µF capacitance. It is typically used in DC-DC conversion for processor power supplies, camera flash and display back lighting power conversion, LED lighting circuits, DC motor drives, UPS systems, and other battery charging applications. The CGH292T350W3L is developed to capitalize on its high Ripple Current, Low ESR (Equivalent Serial Resistance), Low ESL (Equivalent Series Inductance), Low Temperature Coefficient, High Stability, and High Reliability characteristics. It features a high vibration & shock resistance with a wide temperature range from -40°C to +105°C. The CGH292T350W3L is especially suitable for use in high density computer boards, where its space-saving size and superior performance are beneficial.

Working Principle

Aluminum electrolytic capacitors are constructed using two aluminum foils separated by a dielectric material. Between the two foils is an electrolyte that is soaked in paper, plastic, or metal foil. The positive foil, the anode, is an oxidized aluminum and is coated with the electrolyte. The negative foil, the cathode, acts as the mirror image and is coated with the electrolyte. To provide charge storage in an aluminum electrolytic capacitor, a positive charge builds up on the anode\'s oxide coating and a reactive electrical field forms. The electric field\'s strength is proportional to the amount of charge stored in the device. By continually adding energy to the device, charge can be continually stored. Once the charge build-up reaches its maximum, the only way to add additional charge is to increase the oxide thickness and/or the charge on the anode. The other important feature of aluminum electrolytic capacitors is their high frequency response. They provide excellent performance in circuits with high frequency signals, such as those found in telecommunication and high speed digital applications. The high frequency response is due to the oxide\'s low electrical resistance and the device\'s relatively low capacitance.

Conclusion

CGH292T350W3L is a miniature aluminum electrolytic capacitor, which is widely used in DC-DC conversion for processor power supplies, camera flash and display back lighting power conversion, LED lighting circuits, DC motor drives, UPS systems, and other battery charging applications. Its operation is based on two aluminum foils separated by a dielectric material and an electrolyte that is soaked in paper, plastic, or metal foil. The CGH292T350W3L is especially suitable for use in high density computer boards, where its space-saving size and superior performance are beneficial.

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