LNT1E474MSEB

Ratings:	--
Package / Case:	Radial, Can - Screw Terminals
Mounting Type:	Chassis Mount
Surface Mount Land Size:	--
Height - Seated (Max):	6.811" (173.00mm)
Size / Dimension:	3.543" Dia (90.00mm)
Lead Spacing:	1.252" (31.80mm)
Ripple Current @ High Frequency:	33.6A @ 10kHz
Ripple Current @ Low Frequency:	22.4A @ 120Hz
Applications:	General Purpose
Series:	LNT
Polarization:	Polar
Operating Temperature:	-40°C ~ 105°C
Lifetime @ Temp.:	2000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	25V
Tolerance:	±20%
Capacitance:	470000µF
Part Status:	Active

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Introduction

Aluminum electrolytic capacitors are widely used in many consumer and industrial electronics applications. They are widely available in a variety of shapes, sizes and voltage ratings and provide excellent electrical characteristics. The LNT1E474MSEB is a radial aluminum electrolytic capacitor that is particularly suitable for automotive applications.

Application Field

The LNT1E474MSEB is a high ripple current aluminum electrolytic capacitor that is specifically designed for use in automotive applications. It is an ideal choice for systems where extended operation over a wide temperature range is needed. This includes applications such as Powertrain, Battery Backup, and EV/HEV inverters, vehicle infotainment systems, power supplies, and audio systems.

Capacitor Construction

The LNT1E474MSEB is constructed using a low-profile metalized aluminum cathode and an electrolytic solution of pure water. The dielectric is a very thin layer of aluminum oxide, which is created when electrodes of the opposite polarity are connected.The anode of the capacitor is formed by the aluminum foil and the cathode is a circuit board or wire electrode. The capacitor is sealed with a hermetic seal which is made of plastic, silicone or rubber, and is filled with electrolyte.

Working Principles

An aluminum electrolytic capacitor works based on the principle of electrolysis. When a voltage is applied across the electrodes of the capacitor, a current flows through the electrolyte which causes ions to travel between the two electrodes. The charge separation that occurs between the electrodes causes a capacitive element to form, providing a temporary charge storage ability.The capacitance of the capacitor is a function of the area of the surface of the anode, the distance between the electrodes, and the dielectric constant of the electrolyte. As the voltage across the electrodes increases, more charge can be stored and the capacitance increases.

Conclusion

The LNT1E474MSEB is an aluminum electrolytic capacitor that is designed for automotive applications. It is constructed with an aluminum oxide dielectric and a metalized cathode, and utilizes the principle of electrolysis to provide a temporary charge storage capability. It is an ideal choice for powertrain, battery backup, audio systems and other applications that need high ripple current and extended operation over a wide temperature range.

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