LGW2G181MELB25

Series:	LGW
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	180µF
Tolerance:	±20%
Voltage - Rated:	400V
ESR (Equivalent Series Resistance):	--
Lifetime @ Temp.:	3000 Hrs @ 105°C
Operating Temperature:	-25°C ~ 105°C
Polarization:	Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	1.68A @ 120Hz
Ripple Current @ High Frequency:	2.4024A @ 50kHz
Lead Spacing:	0.394" (10.00mm)
Size / Dimension:	1.181" Dia (30.00mm)
Height - Seated (Max):	0.984" (25.00mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can - Snap-In

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Introduction

Aluminum electrolyte capacitors, also known as Electrochemical Capacitors (ECs), are one of the most widely used types of electrolytic capacitors. They are composed of two sets of electrodes, a dielectric (or electrolyte), and a separator. The electrodes are generally aluminum foil, which is the anode, and a dielectric material, usually a solid gel electrolyte, which is the cathode. The separator is usually a porous polyethylene film. This type of capacitor is mainly used to store a small amount of energy and to improve peak power, as well as performance and operations.

LGW2G181MELB25 Application Field and Working Principle

The LGW2G181MELB25 Aluminum Electrolyte Capacitor is typically used in applications requiring fast response times and stable performance. This capacitor has low equivalent series resistance (ESR) and high capacitance stability, both at high temperatures and in high-ripple current applications. The LGW2G181MELB25 offers a wide range of temperature ranges, with an operation range from -55°C to +105°C and suitable for both commercial and industrial applications. Its conductive polymer electrolyte also ensures long-term reliability and low self-discharging.The LGW2G181MELB25 works by storing energy as an electrical field between the two electrodes and the dielectric. This buildup of an electrical field is caused by the surface charge carriers on the anode, which can be either negative or positive depending on the direction of current flow. Alternating current, or AC, capacitances are able to contain the electrical field for much longer periods of time than DC, or direct current, capacitances. This allows AC capacitances to store and release much more current than a DC capacitance would.

Conclusion

The LGW2G181MELB25 is an ideal solution for a wide range of applications requiring fast response times and stable performance. This aluminum electrolytic capacitor offers a wide range of temperatures, low equivalent series resistance, and high capacitance stability both under high temperatures and high ripple-current applications. This capacitor’s conductive polymer electrolyte ensures long-term reliability and low self-discharging. The LGW2G181MELB25 can be used in many applications, leading to improved performance, reduced losses, and also better power management.

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