UST1A221MDD1TE

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Aluminum electrolytic capacitors are widely used in microelectronics, power electronics, and DC/AC converters. These devices are used to store and control electric energy in both ac and dc circuits. The UST1A221MDD1TE is a type of aluminum electrolytic capacitor with a wide range of applications.

This device is rated at 10V and has a capacitance of 2200Micro Farads (uF). Its size is part of the SMD series with a diameter of 12.5mm and a case size of 17 x 15mm. It has a very low leakage current and a long service life of up to 2000 hours. The working temperature range is from 20°C to up +85°C. Also, it has a ripple current range from 1.0 to 2.5A, and its endurance voltage range is between 10-25V.

The UST1A221MDD1TE can be used in various applications and is especially suitable for increasing the decoupling and filtering capacity of DC/DC converters. Other applications include providing backup power in battery-powered systems and protecting electronic components and providing filtering for digital or analog circuits. It can also be employed in audio/signal conditioning and amplifying circuits.

The working principle of the UST1A221MDD1TE is based on its physical structure. It consists of three layers separated by two aluminium foils; an oxidised anode foil, a separating film, and a cathodic foil. The electrolytic paper which is soaked in electrolyte liquid acts as the separator between the two layers of aluminium. When an electrical current is applied, ionic migration occurs, forming a thin oxide layer which acts as the capacitor dielectric material.

The UST1A221MDD1TE has a long service life and a higher capacitance compared to other types of capacitors, mainly because of its structure and the electrolytic paper used for its construction. Its ease of use and wide range of operating temperatures make it a suitable capacitor for various applications in microelectronics and power electronics.

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