DB104TB

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A diode bridge rectifier is an electrical device that converts alternating current (AC) to direct current (DC). This device is commonly used in power electronics and is widely used in many power applications. This article will present the application field and working principle of the DB104TB diode bridge rectifier.

Application Field of DB104TB Diode Bridge Rectifier

The DB104TB is a high current four-terminal diode bridge rectifier. It can provide a rated output rectified current of 105 A, a forward voltage drop of 1.4V and a reverse voltage of 1000V.

This diode bridge rectifier is particularly suitable for radio frequency heating, rectifying diode controlling circuits, switching power supplies of appliances and electric vehicles, battery charging power supplies, and other general purpose applications, such as UPS power supply, inverters, solar systems and DC motors.

Working Principle of DB104TB Diode Bridge Rectifier

A diode bridge rectifier has four diodes arranged in a bridge circuit to convert AC (alternating current) to DC (direct current). It is composed of four basic semiconductor diodes, and it uses two AC inputs which are then converted to a single DC output.

The two AC volts are provided in two pairs. In the first pair, one of the AC volts is along the "positive" line, and the other one is along the "negative" line. When the supply voltage is of sufficient magnitude and the proper polarity on the diode bridge rectification circuit is applied, those AC volts flow to the two sides of the bridge. The AC volts from the positive line cross the positive diode and reach the positive output. At the same time, the AC volts from the negative line cross the negative diode and reach the negative output.

The two diodes in each pair act as a one-way valve, allowing the current to flow in one direction only, thus rectifying the AC voltage to a DC voltage. When the current passes through the diode bridge, the voltage passes through the diode bridge rectifier with the same value but opposite polarity. Therefore, the output of the diode bridge rectifier is the sum of the two input AC voltages.

The DB104TB not only provides an efficient and reliable way to block AC voltages and rectify it to a DC voltage, but also offers a high current rating with low reverse voltage drop and low power losses.

Conclusion

The DB104TB diode bridge rectifier is a reliable, efficient and high current rectification device. It can be used in radio frequency heating, rectifying diode controlled circuits, switching power supplies of appliances and electric vehicles, battery charging power supplies, and other general purpose applications. Its four diode structure allows it to convert AC to DC power effectively and quickly.

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