ALS71C822NT550

Polarization:	Polar
Package / Case:	Radial, Can - Screw Terminals
Mounting Type:	Chassis Mount
Surface Mount Land Size:	--
Height - Seated (Max):	8.740" (222.00mm)
Size / Dimension:	3.031" Dia (77.00mm)
Lead Spacing:	1.252" (31.80mm)
Impedance:	51 mOhms
Ripple Current @ High Frequency:	26.5A @ 10kHz
Ripple Current @ Low Frequency:	19.9A @ 100Hz
Applications:	General Purpose
Ratings:	--
Series:	ALS71
Operating Temperature:	-40°C ~ 85°C
Lifetime @ Temp.:	5000 Hrs @ 85°C
ESR (Equivalent Series Resistance):	58 mOhm @ 100Hz
Voltage - Rated:	550V
Tolerance:	±20%
Capacitance:	8200µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Aluminum electrolytic capacitors, also known as electrolytic capacitors, are widely used in circuit designs and are intended to control the electrical current or store power. ALS71C822NT550 is one of the aluminum electrolytic capacitors products that are widely used in industry and electronic engineering. This paper covers the field and principle of the ALS71C822NT550 capacitor.

Field of ALS71C822NT550

ALS71C822NT550 aluminum electrolytic capacitors are mainly used in circuit designs with alternating current (AC) or direct current (DC). Typically, the ALS71C822NT550 capacitors are used in DC-DC converters, automotive power supplies, automotive computer applications, TV transmitters, rectangular wave-generators, and telecommunications equipment.The ALS71C822NT550 is designed with a metalized film dielectric for high breakdown voltages and long-life components. It has a capacitance of 16µF at an operating temperature of up to +105°C. The ALS71C822NT550 capacitor is also compliant with various safety standards such as: ENEC, UL, and RoHS.Additionally, the ALS71C822NT550 has a low equivalent series resistance (ESR), enabling it to deliver high power density performance under load. Outstanding ripple current capabilities of the ALS71C822NT550 enable it to maintain high efficiency at elevated frequencies.

Working Principle of ALS71C822NT550

The ALS71C822NT550 works based on electrolytic behaviour. In an electrolytic capacitor, the dielectric layer is made up of a very thin layer of oxide that is formed on the surface of an electrode when an electric current is passed through it. The dielectric layer then acts as an insulating layer, thus allowing the capacitor to store the energy.Aside from the dielectric layer, another factor that contributes to the capacitor’s performance is its electrolyte. Electrolytes make up the liquid or gel that is contained within the capacitor, and it helps stabilize the surface of the oxide layers and reduces resistance losses in the capacitor. The ALS71C822NT550 aluminum electrolytic capacitor has a metal end-plate, which helps to reduce the capacitor’s equivalent series resistance (ESR) and drawing current away from the oxide layers. This helps to improve the capacitor’s performance, by reducing noise and increasing power density.The ALS71C822NT550 also has an internal heating element that helps to maintain a uniform temperature and stabilizes the capacitor’s performance. The uniform temperature prevents any hot spots that could cause electrolyte leakage, and ultimately damage the capacitor.

Conclusion

The ALS71C822NT550 capacitor is an aluminum electrolytic capacitor with a capacitance of 16µF and a rated working temperature of +105°C. The capacitor is used in circuit designs that require AC or DC current. It is also compliant with various safety standards such as ENEC, UL, and RoHS. The ALS71C822NT550 works based on electrolytic behaviour, with a dielectric layer and electrolyte that help stabilize the oxide layer for improved performance. It also has a metal end-plate and an internal heating element for improved performance and durability.

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