LGW2D182MELC40

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:	1.378" Dia (35.00mm)
Lead Spacing:	0.394" (10.00mm)
Ripple Current @ High Frequency:	6.93A @ 50kHz
Ripple Current @ Low Frequency:	4.62A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	LGW
Operating Temperature:	-40°C ~ 105°C
Lifetime @ Temp.:	3000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	200V
Tolerance:	±20%
Capacitance:	1800µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors are a type of capacitor in which the active material is an aluminum oxide layer on the surface of aluminum foil electrodes. The current capacitance of these capacitors is determined by the surface area of the foil electrodes, the thickness of the oxide layer, and the dielectric constant of the oxide. The LGW2D182MELC40 is an example of an aluminum electrolytic capacitor. This type of capacitor has a maximum rated average current of 3A, a capacitance of 180µF, and a maximum operating temperature of 105°C. The capacitance can range from 180µF to 450µF with a tolerance of ±20%. These capacitors are commonly used in electronic applications that require a large amount of charge storage. They are often found in power supplies, switch mode power supplies, and DC-DC converters, where they help to store energy during high current supply and help to maintain stable power operation. Additionally, they are used in audio signal conditioning, where they help to filter out low-frequency noise and provide low-pass filtering. The working principle of aluminum electrolytic capacitors is based on electrochemical reactions between the aluminum cathode and an electrolyte solution. When a current is applied, electrons flow from the aluminum cathode to the electrolyte solution. The electrons reduce the oxygen ions in the solution, forming hydroxide ions and releasing positive charges onto the anode. These positive charges then travel to the anode where they are held in position by electrostatic forces. The current flowing through the electrolyte then reduces the negative charges in the aluminum cathode, creating a potential difference between the two electrodes. This potential difference creates an electric field across the capacitor, and the electric field\'s energy is stored in the capacitance of the electrolytic capacitor. The current and voltage supplied to an electrolytic capacitor will determine its capacitance and the voltage it can withstand. The capacitance is determined by the surface area of the electrodes, the thickness of the oxide layer, and the dielectric constant of the oxide. A higher capacitance is achieved when the surface area of the electrodes is larger and when the thickness of the oxide layer is greater. A higher voltage rating is possible when the dielectric constant of the oxide is higher. The voltage rating is usually equal to the rated doping level of the oxide layer. In conclusion, aluminum electrolytic capacitors are an important electronic component used in various applications such as power supplies, switch mode power supplies, and DC-DC converters. The LGW2D182MELC40 is an example of such a capacitor, with a maximum rated average current of 3A, a capacitance of 180µF, and a maximum operating temperature of 105°C. It uses electrochemical reactions between the aluminum cathode and an electrolyte solution to generate a potential difference across the capacitor, which stores energy in the form of electric field\'s energy, determined by the surface area of the electrodes, the thickness of the oxide layer, and the dielectric constant of the oxide.

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