UMW1C101MDD1TE

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Aluminum Electrolytic Capacitors: UMW1C101MDD1TE Application Field and Working Principle

Aluminum Electrolytic Capacitors are widely used in different electronic applications. The UMW1C101MDD1TE is a specially designed capacitor for AC applications.

The UMW1C101MDD1TE is a dry element aluminum electrolytic capacitor which is available in five nominal case sizes: 5mm x 11mm, 7mm x 11mm, 8.2mm x 11mm, 9.5mm x 11mm and 11mm x 11mm. The dry element aluminum electrolytic capacitor can be used in many applications such as power supplies, motors, switchgear, emergency lighting, and high voltage AC motor controllers.

The working principle of the UMW1C101MDD1TE is based on the formation of aluminum oxide. When the capacitor is connected to a DC voltage, the current flows through aluminum oxide film which anodic oxidizes at a rate of few microns per year. The oxide film will increases the capacitance of the capacitor. As the voltage increases, the anodic oxide forms a thicker and thicker film in the capacitor, offering higher and higher capacitance.

The UMW1C101MDD1TE is designed for AC use as the anodizing is almost stopped when the current passes through the capacitor. It\'s also designed for high temperature operation, up to 120 °C. The design features a self-healing mechanism that will protect the device in case of high overload by re-forming the oxide film, recovering the capacitor\'s ability to store energy.

The capacitor also features a high degree of stability, with minimal capacitance variation over life and temperature. The capacitor also rated for high ripple current and low ESR, which makes it suitable for high frequency applications, where the ripple current needed is higher than for a standard capacitor.

In conclusion, the UMW1C101MDD1TE is a highly reliable and efficient aluminum electrolytic capacitor. It\'s designed for a variety of AC applications and is able to withstand high temperatures. Its self-healing mechanism ensures the capacitor will last for a long time, even in the case of high overloads. The capacitor also offers a high degree of stability and low ESR which makes it suitable for high frequency applications.

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