LGR2W271MELC45

Polarization:	Polar
Package / Case:	Radial, Can - Snap-In
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.850" (47.00mm)
Size / Dimension:	1.378" Dia (35.00mm)
Lead Spacing:	0.394" (10.00mm)
Ripple Current @ High Frequency:	1.7017A @ 50kHz
Ripple Current @ Low Frequency:	1.19A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	LGR
Operating Temperature:	-25°C ~ 105°C
Lifetime @ Temp.:	10000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	450V
Tolerance:	±20%
Capacitance:	270µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction to Aluminum Electrolytic CapacitorsAluminum electrolytic capacitors, commonly known as aluminum capacitors or electrolytic capacitors, are capacitors whose anode is a roll of an aluminum foil, which is covered by an oxide layer. The oxidation layer acts as an insulator and keeps the two conductors (electrodes) apart. The second electrode, known as the cathode, is typically made of a porous material, usually consisting of carbon or graphite.The electrolytic capacitor has a larger capacitance than other non-electrolytic capacitors. This is because the oxide layer that forms on the anode foil increases its surface area. Additionally, the electrolyte between the cathode and anode can provide more ions, thus increasing its capacitance.This type of capacitor is ideal for applications where high-frequency signals or pulse currents are involved. They are also used in power supplies, as they can absorb and store a large amount of energy. Furthermore, they are often found in applications that require a high-impedance capacitor to filter very low-frequency signals.LGR2W271MELC45 Application Field and Working PrincipleThe LGR2W271MELC45 is a surface mount, low profile, snap-in aluminum electrolytic capacitor, which is used in a wide range of applications. It is rated at 25V and has a capacitance of 270µF.The working principle of the LGR2W271MELC45 is based on the basic principles of capacitors. It is composed of two parallel plates, one made of aluminum foil, and the other of a carbon-based material, separated by an insulation that forms an electric field. This enables the capacitor to store an electric charge and discharge it when an electric current is applied.The LGR2W271MELC45 is often used in filtering, decoupling and energy storage applications, as well as in power supplies, DC-DC converters, and DC-AC inverters. It is suitable for frequencies up to 400kHz and for temperature ranges from -55°C to +105°C.Its low ESP-L(3.3) package has a height of just 3.3mm and allows a higher density of mounting. The aluminum electrolytic capacitor also boasts a minimum lifetime of 6,000 hours and self-healing characteristics that guarantee safety in applications that demand high voltage. ConclusionThe LGR2W271MELC45 is an extremely reliable aluminum electrolytic capacitor that is suitable for use in a wide range of applications. Its advantages include a low profile form factor, high operating temperature range, excellent dielectric strength and self-healing characteristics. It is ideal for filtering, decoupling, energy storage and high power applications, and is suited to both standard and high temperature applications.

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