400MXC120MEFC20X40

Polarization:	Polar
Package / Case:	Radial, Can - Snap-In
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.654" (42.00mm)
Size / Dimension:	0.787" Dia (20.00mm)
Lead Spacing:	0.394" (10.00mm)
Ripple Current @ High Frequency:	1.05A @ 10kHz
Ripple Current @ Low Frequency:	750mA @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	MXC
Operating Temperature:	-25°C ~ 105°C
Lifetime @ Temp.:	3000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	400V
Tolerance:	±20%
Capacitance:	120µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors

An aluminum electrolytic capacitor is an electronic component which uses an aluminum oxide film as its dielectric material and uses an electrolyte to store a large amount of electric energy. This type of capacitor is used in a wide range of applications and are most commonly seen in consumer electronics, computer circuits and other audio-visual equipment.The 400MXC120MEFC20X40 aluminum electrolytic capacitor is designed for applications such as power supplies, switching converters, inverters, and automotive electronics. It has a working voltage of 400V, a capacitance of 120uF, and a WVCR of 20X40. The working voltage and capacitance specifications indicate that this capacitor can handle up to 400V of energy and store up to 120uF in its oxide film. The WVCR, or ‘working voltage coefficient of ripple’, refers to the percentage of voltage ripple that can be expected when the capacitor is operating.Aluminum electrolytic capacitors are constructed using two current-carrying plates, usually made of aluminum foil and separated by a thin dielectric layer. The two plates are separated by an electrolyte, typically an ionically conductive liquid, which works to increase the capacitance of the capacitor. This increase in capacitance is due to the fact that more ions can be stored in the liquid electrolyte than in the oxide dielectric material between the plates.The electrolyte also provides protection against voltage surges and spikes, and helps to ensure the aluminum electrolytic capacitor has a long life. The electrolyte also functions as an insulation agent that prevents the current from flowing between the plates, thus preventing shorts and damage to the component.When a voltage is applied to the capacitor’s plates, the Liquid electrolyte carries an electric current, called a charge. The charge consists of positive ions which move toward the negative electrode, and negative ions which move toward the positive electrode. As the positive and negative ions pass through the dielectric material, they induce an electric field between the two electrodes. This electric field is what stores the energy in the capacitor.When the input voltage is removed from the capacitor, the reverse occurs and the positive and negative ions move back to their original positions, creating a release of energy. This energy is then used as the output of the capacitor.For the 400MXC120MEFC20X40 aluminum electrolytic capacitor, its application field is quite wide. This capacitance is mainly used in the area of electric vehicle, computer power supply and other audio-visual equipment. This specific capacitor is also ideal for regulating the voltage and current in inverters and switching converters. As such, the 400MXC120MEFC20X40 aluminum electrolytic capacitor is suitable for a variety of applications, making it an ideal choice for a wide range of electronic components.

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