LGW2E471MELZ40

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:	0.866" Dia (22.00mm)
Lead Spacing:	0.394" (10.00mm)
Ripple Current @ High Frequency:	3.15A @ 50kHz
Ripple Current @ Low Frequency:	2.1A @ 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:	250V
Tolerance:	±20%
Capacitance:	470µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors, also known as aluminium electrolytic or polar electrolytic capacitors, are components of a capacitor with two electrode surfaces made of aluminum oxide pockets and electrolyte. The pockets are embedded in the aluminum oxide layer and are filled with an electrolyte solution. Capacitance is created when charge is transferred from the metal electrode to the metal electrode through the electrolyte solution.A typical aluminum electrolytic capacitor would be the LGW2E471MELZ40. It has a rated capacitance of 47 μF and is a radial leaded device. This device is designed for use in a wide range of applications, including power supplies, circuit boards, DC-DC converters, switching regulators, data acquisition systems, transceivers, and automotive applications. The device has a maximum leakage current of 0.0003 A at 110°C and withstands a voltage of 2 V DC.The working principle behind the device is relatively simple. An electric current flows from the anode to the cathode, which is the aluminum oxide layer in between the two electrodes. This current ionizes the electrolyte, transferring charged particles to the electrode. The charged particles then form a conductive path, allowing charge to be transferred from one electrode to the other. This is how capacitance is created.The aluminum electrolytic capacitor is capable of handling high voltages efficiently and is well suited for a variety of applications. Its high capacitance and low ESR makes it suitable for applications that require high capacitance. This includes power supplies, DC-DC converters, switching regulators, and transceivers. The device also has high temperature and humidity tolerance, making it suitable for use in temperature extremes. Additionally, its high ripple current capability makes it suitable for use in applications that require sustained, high current delivery.The aluminum electrolytic capacitor has many advantages. It is an inexpensive way to store electrical energy and has a long service life, due to its high lifetime performance. It is also relatively small and lightweight, making it easy to install in tight spaces. Additionally, its high capacitance makes it a great choice for use in applications that require high capacitance.Despite its advantages, there are some drawbacks associated with the aluminum electrolytic capacitor. One of the main drawbacks is that it is highly susceptible to electrolyte leakage. This can lead to problems such as short-circuits, overvoltages and burnouts. Additionally, it is not suitable for use in applications that require low ESR and high ripple current capability. Finally, it is not suitable for use in high temperature and/or high humidity environments.Overall, the aluminum electrolytic capacitor is a versatile and reliable choice for many applications. It is capable of storing electrical energy efficiently and reliably, and its high-performance characteristics make it suitable for applications that require sustained, high-current delivery. However, it is important to consider the drawbacks of using aluminum electrolytic capacitors, such as potential electrolyte leakage and its inability to handle high temperatures and/or high humidity environments.

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