UB20DCT-E3/4W

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Diodes - Rectifiers - Arrays are commonly used components for electronic circuits. The UB20DCT-E3/4W is a semiconductor diode that contains an array of diodes connected in series. Its main application field includes inrush current limiting and transient suppression. This article will discuss the working principle and application field of the UB20DCT-E3/4W.

The UB20DCT-E3/4W is a 2000V-rated diode array that features two series of diodes connected in opposite polarities and two series protection resistors. This type of diode array is designed to provide superior overvoltage protection with inrush current limitations. The two series protections resistors provide an additional layer of protection against inrush current by limiting the current to the input.

The UB20DCT-E3/4W diode array consists of an anode, cathode, and an internal resistor network. The anode is the positive terminal and the cathode is the negative terminal. When a current is applied to the diode array, the anode and the cathode carry a voltage potential across the internal resistor network. This potential activates the diodes and creates a much smaller voltage drop, limiting the inrush current.

The UB20DCT-E3/4W also offers protection against transients. A transient is a brief surge of high-speed electrical current in an electrical circuit. This surge in current can damage or destroy components in the circuit if it is not properly contained. The diode array resists the transient and prevents damage to the circuit.

One of the main applications of the UB20DCT-E3/4W is inrush current limitation and suppression. It is commonly used in power supplies to limit the current flow to the input capacitor at initial start-up. As the capacitor is charged with current, the internal resistor network of the diode array reduces the voltage drop, resulting in lower inrush current levels.

Additionally, the UB20DCT-E3/4W can provide protection against transients in power supplies and other electronic circuits. The diode array helps to absorb the surge of current, limiting the damage caused by a sudden voltage change. This leads to better protection of components and greater reliability in the circuit.

The UB20DCT-E3/4W is an ideal choice for applications that require inrush current limiting and transient protection. Its reliable design ensures superior overvoltage protection and provides an additional layer of protection against inrush current. Its small size and excellent performance make it an ideal choice for a variety of applications.

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