400LSU4700M77X121

Polarization:	Polar
Package / Case:	Radial, Can - Screw Terminals
Mounting Type:	Chassis Mount
Surface Mount Land Size:	--
Height - Seated (Max):	4.882" (124.00mm)
Size / Dimension:	3.031" Dia (77.00mm)
Lead Spacing:	1.236" (31.40mm)
Ripple Current @ High Frequency:	22.12A @ 10kHz
Ripple Current @ Low Frequency:	15.8A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	LSU
Operating Temperature:	-25°C ~ 85°C
Lifetime @ Temp.:	5000 Hrs @ 85°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	400V
Tolerance:	±20%
Moisture Sensitivity Level (MSL):	--
Capacitance:	4700µF
Lead Free Status / RoHS Status:	--
Part Status:	Active

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are a type of capacitors that use an electrolyte as the dielectric medium. This electrolyte can be an acidic or alkaline solution. The electrodes in aluminum electrolytic capacitors are made of two aluminum foils coated with a dielectric layer, usually an oxide layer. The separator layer between the foils is made from a non-polarizing material. The whole assembly is then sealed in a metal or plastic casing.The 400LSU4700M77X121 is an aluminum electrolytic capacitor with a voltage rating of 400V and a capacitance of 4700mF. It is used in applications that require high-capacity, high-voltage, and low-loss capacitance. It is usually used in power electronics, such as motor drives, inverters, and UPS systems.The working principle of aluminum electrolytic capacitors is relatively simple. When a potential difference is applied across the electrodes, an electric field is created. This electric field creates an electric charge across the dielectric layer, which causes a current to flow through the electrolyte. The current then creates an electrostatic field, which stores energy in the capacitor’s electric field. This stored energy is released when the electric field dissipates.Aluminum electrolytic capacitors are widely used in various electronic systems, including high-voltage power supplies and motor drives. They are also used as start and run capacitors in AC motors, as well as in other applications where high-voltage, high-capacity capacitance is needed. In addition, they provide superior temperature stability and reduce EMI/RFI noise.Though the 400LSU4700M77X121 is not the only aluminum electrolytic capacitor available, it is one of the most popular, due to its excellent performance and reliability. It is highly efficient and has low ESR, making it suitable for applications in the range of 400V and above.Aluminum electrolytic capacitors are reliable, efficient, and require minimal maintenance. With their ability to store considerable energy in a relatively small volume, they are the preferred choice for many high-voltage applications. The 400LSU4700M77X121 is no exception, and its long-term reliability and performance make it an excellent choice for any application that requires high-voltage and high-capacity capacitance.

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