70UR60 G BK R

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Diodes, semiconductor devices that allow current to pass in one direction, are commonly used for rectifying alternating current (AC) to direct current (DC). The 70UR60GBK R is a single rectifier diode, used for high-speed switching applications with a high current-handling capacity. In this article, we will explain the application field and working principle of the 70UR60GBKR.

Application Field

The 70UR60GBK R single rectifier diode is one of the highest power density diodes available in the market. It has a very low forward voltage drop, which helps to reduce power loss. The 70UR60GBK R has a peak repetitive reverse voltage of 600V and average forward current of 70A, making it suitable for power supply circuitry, power conversion and motor control circuits. It is designed for use in high-speed switching applications, such as switching power supply, motor control and dynamic braking circuits, as well as in snubber and synchronous rectification circuits.

Working Principle

A diode is made up of two doped semiconductor layers, called an Anode and a Cathode. The anode is positively charged and the cathode is negatively charged. When a forward voltage is applied to the anode, the Anode-Cathode junction forms a depletion region, causing the electrons and holes in the semiconductor layers to be separated. This results in an electric field that allows current to pass in one direction from the Anode to the Cathode, but not in the other direction. The forward voltage drop of the diode is typically around 0.6V, and it helps to reduce power loss as less voltage is lost across the diode.

When the reverse voltage is applied to the Anode, the electric field that was previously blocking the current in the other direction is removed, a process known as reverse breakdown, so current flows freely in the reverse direction. The reverse breakdown voltage of a diode is one of the most important parameters of the diode, and should not be exceeded, as it can cause the diode to fail. The 70UR60GBK R has a peak reverse voltage of 600V, which means it should not be used for circuits with voltages greater than 600V.

Conclusion

The 70UR60GBKR is a single rectifier diode, designed for high-speed switching applications with a high current-handling capacity. It has a low forward voltage drop and a peak reverse voltage of 600V, making it suitable for power supply, power conversion and motor control circuits. The working principle of the diode can be explained by understanding the Anode and Cathode and how the electric field helps to control the flow of current through the diode.

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