EGXE351ELL220MK25S

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Aluminum electrolytic capacitors are electrical components that store energy in the form of an internal buildup of static charge. They are capacitors comprising of two conducting plates separated by an insulating material, known as dielectric. An electric field builds up between the plates when a voltage potential is applied across the plates. The EGXE351ELL220MK25S is a radial lead electrolytic capacitor that is designed to withstand both violent mechanical and thermal shocks.

Application Field

The EGXE351ELL220MK25S is an aluminum electrolytic capacitor designed for use in many applications, including motor drives, power factor correction, motor start circuits, and input filtering on switch-mode power supplies. The capacitor is manufactured with an all-brass construction, which makes it ideal for use in harsher environments where vibration and mechanical shocks occur often, such as in power transmission, industrial temperature control, and various industrial and automotive applications. The capacitor is also suitable for use in most medium to high voltage circuits, ranging from 40 to 500V.

Working Principle

Aluminum electrolytic capacitors, such as the EGXE351ELL220MK25S, employ a combination of a porous barrier that separates two aluminum plates. When a voltage is applied to the plates, the potentiostat-controlled electrolyte is electrochemically reduced on one side of the aluminum plates and oxidized on the other side. This generates a static charge within the barrier that acts as a storage medium for energy. The aluminum plates form an electric field that amplifies the effect of the charge stored within the capacitor. The greater the voltage applied to the capacitor, the greater the static charge stored within it. The stored charge creates a strong electrical field which acts as a barrier to the flow of electrons.

The charge stored within the capacitor may be discharged back into the circuit when the capacitor is switched off, making the components highly useful for applications such as energy storage, filtering, motor start circuits, and power factor correction. The EGXE351ELL220MK25S is designed with an all-brass construction, which increases its resistance to thermal and mechanical shocks, making it perfect for harsh environments. The moisture resistant construction allows it to withstand extreme temperatures and humid environments, making it ideal for use in industrial and automotive applications. The EGXE351ELL220MK25S is capable of storing up to 2200 uF of energy and can operate at temperatures ranging from -40 to 85 Celsius (-40 to 105 Fahrenheit).

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