GSIB680-E3/45

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Diodes - Bridge Rectifiers

A bridge rectifier is an assembly of four or more diodes that are used to convert alternating current (AC) to direct current (DC). The GSIB680-E3/45 is a diode bridge rectifier (also known as Graetz bridge) designed for switching mode power supplies. It features a repetitive peak reverse voltage of 6.8V and a maximum average forward rectified current of 45A.

Application Field

The GSIB680-E3/45 is mainly used in motor control, line filters, switching power supplies, and in industrial environments. In motor control, it is used to convert AC input to DC output and provide a power factor correction for AC induction motors. In line filters, it is used to reduce electromagnetic interference and protect downstream components. In switching power supplies, it is used to provide rectified DC power in high current applications, such as power inverters, and power supplies.

Working Principle

The GSIB680-E3/45 works by converting the input AC voltage to a DC voltage. This is achieved by the four diodes in the bridge rectifier assembly. When the AC voltage is at its positive peak, voltage is applied to the diodes and current begins to flow through the bridge rectifier assembly. As the AC voltage continues to increase, current starts to flow through the other two diodes, resulting in a DC voltage output. As the AC voltage continues to drop, the current flow is reversed, and the two diodes become reverse-biased, stopping the current from flowing, and preventing the voltage from rising. The same process is repeated on each cycle of the AC voltage, resulting in a consistent DC voltage output.

Advantages

The main advantage of the GSIB680-E3/45 is its high current rating, which allows it to be used in a wide range of applications. In addition, its low forward voltage drop across diodes, due to its optimized design, results in a high efficiency and improved power factor. The device also features a wide operating temperature range and is capable of withstanding high surge currents.

Conclusion

The GSIB680-E3/45 is a diode bridge rectifier designed for use in motor control, line filters, and switching power supplies. It features a repetitive peak reverse voltage of 6.8V and a maximum average forward rectified current of 45A. With its high current rating, low forward voltage drop, and wide operating temperature range, the GSIB680-E3/45 is an ideal solution for applications requiring efficient AC to DC conversion.

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