Polarization:	Polar
Package / Case:	Radial, Can - Screw Terminals
Mounting Type:	Chassis Mount
Surface Mount Land Size:	--
Height - Seated (Max):	4.213" (107.00mm)
Size / Dimension:	3.031" Dia (77.00mm)
Lead Spacing:	1.252" (31.80mm)
Impedance:	46 mOhms
Ripple Current @ High Frequency:	19A @ 10kHz
Ripple Current @ Low Frequency:	12.2A @ 100Hz
Applications:	General Purpose
Ratings:	--
Series:	ALS81
Operating Temperature:	-40°C ~ 105°C
Lifetime @ Temp.:	2000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	61 mOhm @ 100Hz
Voltage - Rated:	500V
Tolerance:	±20%
Capacitance:	3900µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors (AECs) are versatile components used in a broad range of electrical and electronic applications. AECs offer distinctive features such as being able to store high charges and high power ratings, all in a relatively small and lightweight package.One specific type of aluminum electrolytic capacitor, the ALS81C392NF500, is used for large-value applications where size and power rating matter. Its key features are high capacitance values, temperature stability, and short farad leakage. Its low-leakage current, low power loss, and low equivalent series resistance contribute to higher capacitance values.The ALS81C392NF500 is made up of an anode and substrate, electrolyte, and the foiling material in which the anode is housed. The positive electrode (or anode) is composed of a foil based on an aluminum oxide. This coating helps to protect the anode from the corrosive effects of the electrolyte. The substrate of the capacitor is made up of layers of dielectric material which help prevent short circuiting and absorb any moisture which may enter the device. In general, how the ALS81C392NF500 works is by trapping a charge, or electric potential, between two electrodes. As current flows into the positive terminal, it builds up a charge in the form of an electrical field which pushes electrons away. This builds up a charge on the negative side as well, and the two charges together form a capacitor. This stored charge can be released later on when the device needs to relieve the electric field.Given its large capacitance values, the ALS81C392NF500 is used in a number of applications such as motor drives, power supplies, and DC-DC converters. Its low-leakage current also makes it a practical choice for decoupling applications. It also works well in a variety of circuit protection applications, such as protecting against voltage and current surges. In conclusion, the ALS81C392NF500 is a versatile aluminum electrolytic capacitor with many advantages. Its key features include its large capacitance values, temperature stability, and minimal farad leakage. When used in the appropriate applications, it can provide robust and reliable performance.

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