UKL2AR33MDD

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Aluminum electrolytic capacitors (AECs) are specialized capacitors used in various electronic applications. They are made from an aluminum foil with a very thin layer of oxide, an electrolyte and two electrodes. AECs are favorable devices for high-voltage, high-current and ripple energy storage applications. UKL2AR33MDD is one of the AECs and the following paragraphs provide detailed information about the application field and working principle of this component.

The UKL2AR33MDD AEC has a voltage rating of 450VDC and a capacitance of 2.2µF. It is an internally-compensated capacitor that can operate with a wide range of temperatures between -55°C and +105°C. In addition, it is RoHS compliant. As a result, it is perfectly suited for a wide range of high-voltage, high-current applications and applications requiring high ripple energy storage. For instance, it can be used in automotive systems, power supplies, industrial control systems, telecom applications, electric power conversion and motor control systems.

The working principle of UKL2AR33MDD AEC is based on electrolytic action which occurs at the interface between the oxide coating on the aluminum foil and the electrolyte. Three electrical terminals are formed in the AEC: the positive terminal (anode), the negative terminal (cathode) and the third being the body of the capacitor. When a voltage is applied, an electrical field forms between the two electrodes which polarizes the electrolyte. This causes the formation of a thin insulating layer called an electrolytic double layer at the interface between the positive and negative electrodes. This double layer is made up of positive ions on the anode side and negative ions on the cathode side. This layer prevents the electrical current from passing through the capacitor so that charge can be stored in it.

In addition, the double layer also acts as a dielectric which increases the capacitance of the device. AEFs are polar devices and should be connected with the correct polarity. If connected with incorrect polarity, the electrolyte may become acidic and damage the device. The consistent performance and high reliability of AECs make them ideal for applications such as power conversion, motor control, power supplies and industrial control systems.

The UKL2AR33MDD AEC is an ideal choice for high-voltage, high-current and ripple energy storage applications due to its wide range of input voltage and temperature, low ESR/ESL, and RoHS compliance. It has a capacitance of 2.2µF, voltage rating of 450VDC and can be used in operating temperatures between -55°C and +105°C. This makes it perfectly suited for automotive systems, power supplies, industrial control systems, telecom applications, electric power conversion and motor control systems.

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