LGR2E331MELB25

Polarization:	Polar
Package / Case:	Radial, Can - Snap-In
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.063" (27.00mm)
Size / Dimension:	1.181" Dia (30.00mm)
Lead Spacing:	0.394" (10.00mm)
Ripple Current @ High Frequency:	1.8A @ 50kHz
Ripple Current @ Low Frequency:	1.2A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	LGR
Operating Temperature:	-40°C ~ 105°C
Lifetime @ Temp.:	10000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	250V
Tolerance:	±20%
Capacitance:	330µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are capacitors constructed using aluminum foil, along with layers of ceramic and metal oxide to form a dielectric. They have a larger capacitance than most other capacitors, but also have a higher leakage current and a limited lifetime. Aluminum electrolytic capacitors are used in a variety of applications, including audio and power electronics. The LGR2E331MELB25 is an aluminum electrolytic capacitor with a capacitance of 3300uF, a rated voltage of 25V, and an ESR of 3.2 Ohms.

Application Field

Aluminum electrolytic capacitors are used in many different applications, often because of their relatively high capacitance. This increased capacitance means that aluminum electrolytic capacitors have a greater ability to store energy than other types of capacitors. They can be found in a wide range of applications, such as:

• Electronic equipment like computers, televisions, and other consumer electronics.
• Industrial and device applications, such as motor speed controls, UPS systems, and other power supplies.
• Amplifier audio systems.
• Automotive lighting and electronics.

The LGR2E331MELB25 aluminum electrolytic capacitor is a popular choice for these types of applications. Its low equivalent series resistance (ESR) design allows it to provide a large amount of current, while also providing excellent performance and stability.

Working Principle

An aluminum electrolytic capacitor works based on the principle of electrolytic decomposition of anions (negatively charged molecules). When an electrical current is applied to the capacitor, positively charged ions move in one direction and negatively charged ions move in the other direction. This creates an electrical field in the dielectric material (usually an oxide or ceramic layer) between the anode and cathode of the capacitor, resulting in a separation of positive and negative charges which create a stored energy source. As long as the applied voltage remains within tolerances, the charge will remain stored and the capacitor will continue to operate.

Conclusion

The LGR2E331MELB25 aluminum electrolytic capacitor is a popular choice for many applications, such as electronic equipment, industrial and device applications, amplifier audio system, and automotive lighting and electronics. Its low equivalent series resistance (ESR) design allows it to provide a large amount of current, while also providing excellent performance and stability. The underlying working principle of an aluminum electrolytic capacitor relies on the electrolytic decomposition of anions to create a separation of positive and negative charges which create a stored energy source.

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