LAR2G471MELB45

Polarization:	Polar
Package / Case:	Radial, Can - Snap-In
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.772" (45.00mm)
Size / Dimension:	1.181" Dia (30.00mm)
Lead Spacing:	0.394" (10.00mm)
Ripple Current @ High Frequency:	2.4024A @ 50kHz
Ripple Current @ Low Frequency:	1.68A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	LAR
Operating Temperature:	-25°C ~ 105°C
Lifetime @ Temp.:	2000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	400V
Tolerance:	±20%
Capacitance:	470µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum electrolytic capacitors are capacitors that use an electrolytic solution as the dielectric, with a porous tantalum or aluminum oxide layer as a separator. The LAR2G471MELB45 is an aluminum electrolytic capacitor, the name of which contains abbreviations that denote specific values and correspondings characteristics of the device.The first part of the LAR2G471MELB45\'s name, \'LAR\', stands for the physical size and shape of the capacitor. The \'2\' indicates that the capacitor has two pins, while the \'G\' represents the physical shape of the capacitor. The second part of the name relates to the capacitor\'s working values, i.e. its capacitance, voltage rating, and temperature rating. The \'47\' denotes a capacitance of 4.7μF, the \'1M\' indicates a voltage rating of 10 volts, and the \'ELB45\' represents a temperature rating of -40°C to +105°C. The LAR2G471MELB45 is most commonly used in applications that require an aluminum electrolytic capacitor with a capacitance of 4.7μF and a voltage rating of 10 volts. These capacitors are most often used in DC-DC converter and other circuit applications requiring intermediate voltage rating. Because of its electrical characteristics, it is also suitable for use in motor drive and power electronics applications.Due to its relatively high capacitance and temperature rating, the LAR2G471MELB45 can also be used in applications that require a low-ESR capacitor with a long life. Such applications include switching power supplies, servers, and other applications that require high-reliability capacitors.The working principle of the LAR2G471MELB45 is based on electrochemical effect. In this effect, the electrolyte in the capacitor acts as a charge-carrying medium between the anode and cathode which carries charges through the porosity of the several-micron thick spacer layer of tantalum or aluminum oxide. This forms an electrical storage element within the capacitor.The electric field caused by the static charge stored in the capacitor\'s oxide layer will cause a current to be set up when a voltage is applied across the capacitor. This current will be limited by the very low conduction of the spacer layer, but the charge stored will be directly proportional the applied voltage. This establishes the capacitance of the device.The current applied to the capacitor in a low enough frequency range to not cause any breakdown in the oxide layer will cause a gradual charging and discharging of the capacitor. But in higher frequency ranges, the oxide layer will become electrically conducting and the capacitor will charge and discharge almost immediately. This phenomenon is called frequency dispersion, and it is the one of the key properties which makes an aluminum electrolytic capacitor such a well-suited application.Finally, the combination of the value of the applied voltage and current, along with the temperature rating of the component, will determine the life expectancy of the component. The larger the voltage and current ratings of the component are, the shorter its life expectancy will be.In conclusion, the LAR2G471MELB45 is an aluminum electrolytic capacitor with a capacitance of 4.7μF, a voltage rating of 10 volts, and a temperature rating of -40°C to +105°C. It is most commonly used in applications requiring intermediate voltage rating, and can also be used in high-reliability applications which require a low-ESR capacitor with a long life. It works by storing an electrical charge in a porous spacer layer of tantalum or aluminum oxide, and its life expectancy is determined by a combination of the applied voltage, current, and temperature.

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