MAL212836108E3

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Aluminum electrolytic capacitors are devices using aluminum oxide as insulation between two thin layers of aluminum foil. They are used as charge reservoirs, energy storage nodes, and energy redirection nodes in AC and DC circuits across a variety of industries including consumer electronics, power electronics, computing and communications equipment, industrial control systems, naval and aerospace systems, and automotive markets. The MAL212836108E3 is specifically designed to meet the most rigorous of performance demands, with a rated voltage of 500VAC and a capacitance of 8,000µF.

An aluminum electrolytic capacitor utilizes a thin layer of oxide film on the low micron aluminum foil material to develop the electrical field strength required for reliable and robust total dielectric insulation of the metal layers. The thickness of the oxide layer is inversely proportional with the electrical field build-up and imparts a degree of self-healing when subjected to over voltage spikes.

The aluminum electrolytic capacitor has two aluminum metal layers that are separated by a paper spacer. The metal layers can have a polarizing voltage applied to them by utilizing either a strain relief screw connector or by the use of spring contacts. The polarizing voltage is applied between the anode and cathode aluminum metal layers between which the electrical field is generated and insulated by the paper spacer.

The MAL212836108E3 capacitor is designed to work in high-reliability application fields due to its shock and vibration resistant construction. It has a long-term stability of permissible operating temperature ranges of between -55 degrees Celsius and +85 degrees Celsius along with a rated life of up to 5000 hours, supplied axially, with triangular pinout orientation. The unit has reliable power handling capabilities and has a rated ripple current of up to 20A for the wide frequency range of up to 500KHz.

The working principle of an aluminum electrolytic capacitor is relatively simple. It consists of two thin aluminum layers, the anode and cathode plate, separated by a thin oxide layer, which acts as an insulation material between them. Charge can cross the oxide layer in one direction since it is a dielectric material. When a voltage is applied across the two plates, charge accumulates on each plate and a capacitive current flows. This current is driven by the voltage difference between the two plates and can be regulated by increasing or decreasing the applied voltage.

The MAL212836108E3 aluminum electrolytic capacitor is designed to operate within harsh environments and features robust construction to withstand extreme temperatures, shocks, and vibrations. The unit is designed to withstand operating temperatures of up to +85 degrees Celsius and can handle a wide frequency range of up to 500KHz, making it ideal for a variety of AC and DC circuit applications, such as consumer electronics, power electronics, computing and communications equipment, industrial control systems, naval and aerospace systems, and automotive markets.

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