ALS80A303MF100

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:	2.598" Dia (66.00mm)
Lead Spacing:	1.122" (28.50mm)
Impedance:	12 mOhms
Ripple Current @ High Frequency:	24.3A @ 10kHz
Ripple Current @ Low Frequency:	21A @ 100Hz
Applications:	General Purpose
Ratings:	--
Series:	ALS80
Operating Temperature:	-40°C ~ 105°C
Lifetime @ Temp.:	2000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	14 mOhm @ 100Hz
Voltage - Rated:	100V
Tolerance:	±20%
Capacitance:	30000µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum electrolytic capacitors are among the most widely employed components in electrical and electronic circuits. They are largely used to filter out unwanted noise in power supplies, store energy, and improve the signal-to-noise ratio across circuits. The ubiquitous nature of aluminum electrolytic capacitors stems from their excellent performance characteristics, including high capacitance within a small volume, wide temperature range, and broad range of operating voltages. As such, these components have been essential to the advancement of electronics technology.The ALS80A303MF100 is an encapsulated, axial-leaded aluminum electrolytic capacitor that belongs to a family of low impedance capacitors developed by Arrow Electronics for particle and space applications. It is suitable for use in high-reliability environments where its robust construction allows it to work despite high stress levels.This capacitor is composed of a conductive aluminum foil cathode, a non-conductive insulating paper layer wrapped around the aluminum foil, and a conductive aluminum oxide film around the paper layer. A layer of wicking material in the form of cotton gauze sits around the two conductive layers and provides a pathway for the electrolyte to be introduced into the capacitor during the manufacturing process. Finally, a cylindrical case made of metal forms the outer wrapping, providing a protected environment for the capacitive elements. This housing is molded from a special grade epoxy that provides mechanical protection and guard against the ingress of moisture.The working principle of the ALS80A303MF100 is relatively simple. When a voltage is applied to the anode, an electric field is induced within the capacitor between the two layers causing a charge to accumulate. The two layers are polarized, and the accumulation of charge causes the insulating oxide film to become partially conductive, thereby allowing current to flow when a relatively low voltage is applied. As the voltage increases, the insulating oxide film begins to increase its resistance and the current flow is subsequently reduced. This is known as the “polarization effect” and is the main function and principle of operation for the capacitor.The benefits of the ALS80A303MF100 include its ability to withstand harsh environments, its low impedance rating, and its short-to-medium lifespan. Low impedance ratings mean that the capacitor is better able to efficiently filter out noise and interruptions in voltage signals. Its rated operating temperature range of -55°C to 125°C provides a great measure of protection in extreme temperatures, which makes it an ideal choice for space and military applications. Finally, its medium life expectancy span of 1000 hours makes it suitable for short to medium term projects.Overall, the ALS80A303MF100 encapsulated axial-leaded aluminum electrolytic capacitor is a robust and reliable component with excellent performance characteristics. Offering a high capacitance within a small volume, wide temperature range and low impedance in high-reliability environments, this particular aluminum electrolytic capacitor can provide excellent filtration of signal noise from power supplies, energy storage and improved signal-to- noise ratio across many circuits. Its proven performance and reliability in extreme temperatures makes it an ideal choice for space and military applications.

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