EKXJ221ELL151MM20S

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Aluminum electrolytic capacitors are electrical components used in circuit boards to store electrical energy, discharge or filter alternating current signals. These are polarized capacitors with electrical characteristics defined by its capacitance, working voltage, temperature range, dissipated power and allowable ripple current. The size, shape, structure, material and form of aluminum electrolytic capacitors vary depending on the application.

EKXJ221ELL151MM20S is an aluminum electrolytic capacitor which takes the form of a discrete, encapsulated radial leaded component, making it suitable for through-hole mounting applications. This component is a miniature electrolytic capacitor made with miniature squared case, with the dimensions of 2.2mm x 1.5mm x 1.2mm. It is suggested to be used in applications like electronic equipment, communications equipment, local audio devices, audiovisual equipment, IT equipment.

The working principle of the aluminum electrolytic capacitor lies in its components. An electrolytic capacitor is typically composed of two aluminum foil electrodes, an insulating film of organic polymer and a liquid electrolyte, a member of the family of capacitors. The two aluminum foils are separated by the electrolyte and an oxide layer. The current flows from the positive aluminum foil in the electrolyzing agent to the negative one. The polarized cations in the electrolyte form a double layer that gives rise to the non-linear capacitance characteristic of aluminum electrolytic capacitors.

Regarding the application field of EKXJ221ELL151MM20S, it is common to be used in any applications where a low ESR capacitor is needed with a minimum of time for heat dissipation. As a result, it is regularly used in applications where high ripple-current performance is needed, such as power supplies, uninterrupted power supplies (UPS\'s), UPS batteries, cell phone chargers, audio amplifiers, and small motor controllers. In general, EKXJ221ELL151MM20S is used in a wide range of power applications from DC to RF where the capacitor parameters are specified and its size is miniaturized.

In conclusion, the aluminum electrolytic capacitor EKXJ221ELL151MM20S takes the form of a discrete, encapsulated radial leaded component that is suitable for through-hole mounting applications. It has a miniature squared case with dimensions of 2.2mm x 1.5mm x 1.2mm. The working principle of the aluminum electrolytic capacitor lies in its components, where an oxide layer is formed between two aluminum foils and a current is then passing from the positive aluminum foil in the electrolyzing agent to the negative one. Its application fields commonly include the applications of power supplies, uninterrupted power supplies, UPS batteries, cell phone chargers and audio amplifiers.

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