LGW2G271MELA40

Polarization:	Polar
Package / Case:	Radial, Can - Snap-In
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.575" (40.00mm)
Size / Dimension:	0.984" Dia (25.00mm)
Lead Spacing:	0.394" (10.00mm)
Ripple Current @ High Frequency:	2.6169A @ 50kHz
Ripple Current @ Low Frequency:	1.83A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	LGW
Operating Temperature:	-25°C ~ 105°C
Lifetime @ Temp.:	3000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	400V
Tolerance:	±20%
Capacitance:	270µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Overview

Aluminum electrolytic capacitors are a type of capacitor that uses an electrolyte to provide higher energy storage capacity than many other types of capacitors. The LGW2G271MELA40 aluminum electrolytic capacitor is rated for a maximum capacitance of 270μF, a maximum rated voltage of 25V, and a rated temperature range of -40 to +105°C. The LGW2G271MELA40 is a radial, through-hole type aluminum electrolytic capacitor, making it suitable for use in circuit boards and other applications where board space is at a premium.

Application Field

Aluminum electrolytic capacitors are used in a wide variety of applications. As their capacitance is much higher than other types of capacitors, they are commonly used to store electrical energy. They are frequently used to decouple AC power supplies and to act as voltage regulators in power supplies. They are also used in telecommunications systems, electric vehicles, and consumer electronics, such as LED TVs and computers.

Working Principle

Aluminum electrolytic capacitors work by storing electrical energy in an electrolyte solution made of a combination of acids and electric salts. The electrolyte is stored between two aluminum oxide layers that act as the dielectric for the capacitor. As an electric current is applied to the capacitor, electric charges are stored in the electrolyte, making it the charge carrier for the capacitor.When the capacitor is in use, the anode (+) of the capacitor is connected to a power source, and the cathode (-) is connected to a load. As the capacitor charges, ions in the electrolyte get attracted to the static electric field created by the power source. This creates a large electric dipole, increasing the capacitance of the capacitor. As the capacitor discharges, the ions in the electrolyte flow back to the power source or load, depending on the polarity of the applied voltage.

Conclusion

The LGW2G271MELA40 aluminum electrolytic capacitor is a common electrical component with a wide range of applications. It has a maximum capacitance of 270μF, a maximum rated voltage of 25V, and a rated temperature range of -40 to +105°C, making it suitable for use in a variety of applications. The working principle of an aluminum electrolytic capacitor is based on the presence of an electrolyte solution and two aluminum oxide layers, creating a large electric dipole and allowing it to store and release electric energy at a controlled rate.

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