Series:	U91F
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	1200µF
Tolerance:	±20%
Voltage - Rated:	350V
ESR (Equivalent Series Resistance):	90 mOhm @ 120Hz
Lifetime @ Temp.:	5000 Hrs @ 105°C
Operating Temperature:	-25°C ~ 105°C
Polarization:	Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	4.4A @ 120Hz
Ripple Current @ High Frequency:	6.292A @ 100kHz
Lead Spacing:	0.886" (22.50mm)
Size / Dimension:	1.772" Dia (45.00mm)
Height - Seated (Max):	2.657" (67.50mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can - Snap-In - 5 Lead

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are capacitors whose capacitance value is obtained by a combination of physical size and the amount of electric charge stored in a static electric field. This type of capacitor consists of a series of aluminum foil electrodes, nitrile rubber (NBR) and an electrolyte solution. E91F351VNT122MU65T is a model of an aluminum electrolytic capacitor. It is mainly used in applications which require high capacitance, such as electric vehicles, power supplies, and industrial fan.

Working Principle

The working principle of aluminum electrolytic capacitors relies on Faraday\'s law of electrolysis. Under this law, when a DC voltage is applied, a current flows through the capacitors\' aluminum oxide layer, which acts as an electrolyte. This current causes a chemical reaction that results in positive charges on one electrode, and negative charges on the other. Since electrolytic capacitors contain two plates made from metal, they create an electric field between them. This electric field allows the capacitor to store electrical energy when a current is passed through them. The capacitance of the capacitor depends on the thickness of the metal plates, their distance apart, and the dielectric material in between them.

Application Fields

E91F351VNT122MU65T is used in several application fields, such as electric vehicles, power supplies, and industrial fan. Electric vehicles use this type of capacitor in their power control circuitry, as its high capacitance allows it to store more energy than other types of capacitors. Furthermore, its heat dissipation ability allows electric vehicles to operate in extreme temperatures. In power supplies, this capacitor is mainly used for its ripple-reducing capabilities. This type of capacitor can successfully absorb voltage drops in the circuit, minimising ripple in the output stage of the power supply. Lastly, this capacitor is also used in industrial fans, as its compact size, high capacitance, and low equivalent series resistance result in better efficiency and power handling of the fans. Therefore, E91F351VNT122MU65T aluminum electrolytic capacitors find a variety of applications and provide excellent performance in demanding conditions.

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