LQR2V822MSEG

Polarization:	Polar
Package / Case:	Radial, Can - Screw Terminals
Mounting Type:	Chassis Mount
Surface Mount Land Size:	--
Height - Seated (Max):	7.598" (193.00mm)
Size / Dimension:	2.500" Dia (63.50mm)
Lead Spacing:	1.126" (28.60mm)
Ripple Current @ High Frequency:	37.94A @ 10kHz
Ripple Current @ Low Frequency:	27.1A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	LQR
Operating Temperature:	-25°C ~ 85°C
Lifetime @ Temp.:	5000 Hrs @ 85°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	350V
Tolerance:	±20%
Capacitance:	8200µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors: Introduction

Aluminum electrolytic capacitors (AEC) has long been the most commonly used type of capacitor. They are widely used in virtually every electrical device from small applications such as mobile phones to large industrial applications. AECs are based on the principles of electrolysis and electrolytic migration. In order to function, AECs require an electrolyte (e.g. liquid, or solid-melt), a cathode, and an anode.

LQR2V822MSEG Application Field and Working Principle

The LQR2V822MSEG capacitors are ultra-long life aluminum electrolytic capacitors with a rated voltage range of 16V to 500V and a temperature range of -20°C to +85°C. This series of aluminum electrolytic capacitor is mainly used in high voltage applications, especially in applications with high peak impedance.Its working principle is based on electrolysis, electrolytic migration, and the Faradays law of electrolysis. The anode is placed in a conductive electrolyte, while the cathode is connected to the anode by a small width. When a voltage is applied across this width, the electrolyte ionizes releasing electrons at one electrode and taking electrons from the other, creating an electrical current. This current flow creates ions in the electrolyte which enables the transfer of the capacitors energy from one electrode to the other. The Faraddys law states that for a given amount of current, the amount of charge transferred between the two electrodes is proportional to the voltage applied across them.The LQR2V822MSEG capacitors are designed for a maximum ripple current and are characterized by a low ESR (equivalent series resistance). This feature ensures that the power generated by the capacitor’s charge and discharge is not wasted, thus providing increased efficiency of the device.The LQR2V822MSEG capacitors are also characterized by a long lifetime, with a rated lifetime of up to 10 years. This is due to the fact that they feature a high grade of polarization, and are also more resistant to electrolytic decomposition and thus aging effects.

Conclusion

The LQR2V822MSEG capacitors are aluminum electrolytic capacitors that are suitable for applications that require high rates of power transfer over long lifetimes. They possess several advantages such as low ESR, low leakage and long life, thus providing increased efficiency in the power transfer process. Furthermore, the aluminum electrolytic capacitors offer high tolerance to temperature and mechanical shock, thus making them a reliable and long-lasting choice for many applications.

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