EKXG201ELL221MM25S

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Aluminum electrolytic capacitors are constructed using two aluminum foils – one of them anode and the other one a cathode. A paper spacer impregnated with an electrolyte, separates the two foils. This spacer also contains small, rolled up strips of electrolytic paper, which give the capacitor an increased amount of capacitance. Through a process called anodization, a very thin layer of oxide is formed on the aluminum foil. The oxide layer actually acts as a dielectric and allows the capacitor to hold more charge than what would normally be possible.

The EKXG201ELL221MM25S is an aluminum electrolytic capacitor with a maximum capacitance of 220uF, a voltage rating of 25V (DC), a maximum ripple current of 1690mA and an impedance of 30mΩ. It is designed and manufactured for general purpose applications and is sealed in an outer body size of 8mm x 5mm with a lead pitch of 5mm. The EKXG201ELL221MM25S capacitor has a long shelf life, is highly stable under temperature changes, and has a maximum operating temperature range of -40 to +105 degrees Celsius.

The working principle of an aluminum electrolytic capacitor is relatively straightforward. This type of capacitor works based on the principles of electrochemistry. When a voltage is applied to the electrodes, electrons are drawn from one side of the capacitor and into the other side. This creates an electric current, which then reduces the strength of the electric field between the two plates. This reduces the overall capacitance value. With the voltage being applied, the aluminum oxide dielectric layer will block the electrons from passing through the oxide layer, maintaining the stored energy within the capacitor.

Using an EKXG201ELL221MM25S aluminum electrolytic capacitor in any application requires careful consideration. This type of capacitor can be used in applications where a high amount of current is required to be stored and released over a short period of time. It is suitable for use in power supplies for electronic equipment, as well as for filter networks, and can be used as an energy storage device for pulse-type circuits. When selecting an aluminum electrolytic capacitor for any given application, it is important to take into account the voltage rating, capacitance, rated current, leakage current, working temperature, and impedance of the capacitor.

EKXG201ELL221MM25S aluminum electrolytic capacitors are reliable and robust components. They are relatively inexpensive and have the ability to store a large amount of energy, making them an ideal choice for a variety applications where high power is needed in a very small space. The performance of an electrolytic capacitor is affected by the quality of the dielectric layer, the quality of the aluminum foil, and the construction of the capacitor, as well as the temperature and other environmental conditions.

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