LQS2V181MELZ30

Polarization:	Polar
Package / Case:	Radial, Can - Snap-In
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.260" (32.00mm)
Size / Dimension:	0.866" Dia (22.00mm)
Lead Spacing:	0.394" (10.00mm)
Ripple Current @ High Frequency:	1.287A @ 50kHz
Ripple Current @ Low Frequency:	900mA @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	LQS
Operating Temperature:	-25°C ~ 105°C
Lifetime @ Temp.:	3000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	350V
Tolerance:	±20%
Capacitance:	180µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction
Aluminum electrolytic capacitors are widely used in different applications, such as power electronics, telecommunications, computer and consumer electronics, as well as automotive applications. The LQS2V181MELZ30 is a type of aluminum electrolytic capacitors which is popular in the market because of its great performance. This article will discuss the application field and working principle of the LQS2V181MELZ30.

Application
The LQS2V181MELZ30 is an electric Double Layer Capacitor (EDLC, also known as supercapacitor or ultracapacitor). Its structure consists of a cylindrical case, positive and negative electrodes, and a separator. Its features include high capacitance, long cycle life, high temperature operating range, and fast charging time. Its capacitance range is 2.5 to 25V, with a thermal performance of up to -40°C to 125°C. Due to its high capacitance, fast charging time, and wide operating temperature range, the LQS2V181MELZ30 is suitable for a wide range of applications. These include:
-Power electronics: Automotive, industrial and consumer electronics
-Power management: Automotive and power supply
-Keypads and keyboards of computers, phones, and other appliances
-Other high temperature applications

Working Principle
The working principle of the LQS2V181MELZ30 is based on the aluminum electrolytic capacitor’s principles of operation. Basically, the aluminum electrolytic capacitor works on the principle of charge storage in metal foil sheets. A metal foil layer, such as alumina, is used as the positive and negative electrodes. These electrodes are separated by a dielectric separator, usually an electrolytic gel, which is coated onto the metal foil electrodes. When a voltage is applied to the metal foil electrodes, an electrostatic field is generated, creating charge on the metal foil sheets. This charge is stored in the capacitor as an electric field, with one side of the capacitor having a positive charge and the other side having a negative charge. The strength of the electric field between the electrodes determines the capacitance of the capacitor.

Conclusion
In conclusion, the LQS2V181MELZ30 is popular aluminum electrolytic capacitor used in many different applications. Its features of high capacitance, long cycle life, high temperature operating range, and fast charging time make it ideal for use in many different applications. The working principle of the capacitor is based on the principles of charge storage in metal foil layers. The strength of the electric field between the metal foil layers determines the capacitance of the capacitor. Therefore, the LQS2V181MELZ30 is suitable for many applications where high capacitance and fast charging time are important.

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