397LBB400M2DG

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:	1.181" Dia (30.00mm)
Lead Spacing:	0.394" (10.00mm)
Ripple Current @ High Frequency:	3.7485A @ 10kHz
Ripple Current @ Low Frequency:	2.55A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	LBB
Operating Temperature:	-40°C ~ 85°C
Lifetime @ Temp.:	3000 Hrs @ 85°C
ESR (Equivalent Series Resistance):	637.64 mOhm @ 120Hz
Voltage - Rated:	400V
Tolerance:	±20%
Capacitance:	390µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are a type of capacitor that uses an electrolyte as one of its plates and an aluminum anode to achieve a high capacitance. They are the most widely used type of capacitor due to their low cost, high capacitance, and long lifetime. The versatility of aluminum electrolytic capacitors make them suitable for a variety of applications, including power supplies, audio equipment, medical equipment, and industrial electronics.The 397LBB40M2DG aluminum electrolytic capacitor is a non-polarized capacitor with a capacitance of up to 40μF. It is rated at a working voltage of 25V and has a maximum temperature rating of 85°C. The capacitor can also withstand a maximum ripple current of 4.4A.The 397LBB40M2DG aluminum electrolytic capacitor is a low-impedance, high-reliability, long-lifetime, and high-temperature capacitor suitable for a wide range of applications, including switch-mode power supplies, filters, decoupling, and other high-frequency applications. The high-grade capacitance and long lifetime make it ideal for applications that require high performance and reliability.The capacitor consists of two electrodes, an electrolyte cathode, and an electrolyte anode. The electrolyte cathode is a thin layer of oxide coating that is formed on the metal plate of the capacitor. The electrolyte anode is an oxide layer that is thermally formed on the aluminum foil plate of the capacitor. The anode and cathode are separated by a dielectric, usually a paper or plastic film.The working principle of an aluminum electrolytic capacitor is based on Faraday’s principle of electrolysis. The application of a voltage across the capacitor will cause ions to migrate from the electrolyte anode to the electrolyte cathode, resulting in a current that causes a charge to accumulate on the cathode in proportion to the applied voltage. This charge accumulation results in a capacitance, which is calculated by dividing the amount of charge stored by the voltage applied.The 397LBB40M2DG aluminum electrolytic capacitor is suitable for a variety of applications in the industrial, automotive, and consumer electronics industries. Due to its low series equivalent resistance and high ripple current capability, it is used in switch mode power supplies, filters, and decoupling applications. Additionally, due to its long lifetime and high temperature rating, the capacitor is suitable for use in applications in extreme environmental conditions. Overall, the 397LBB40M2DG aluminum electrolytic capacitor is an effective, high-performance, and reliable capacitor that can be used in a variety of applications.

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