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Diodes - Rectifiers - Single

The SE50PABHM3/I is a high-voltage single-diode rectifier module commonly used in power supplies. It offers high surge capability and low forward voltage, as well as significant power density with minimal foot print and material consumption.

Application Field

SE50PABHM3/I is mainly used in applications where high surge capability and low forward voltage is important such as in switched mode power supplies and DC input rectification for UPS systems. It can also be used for motor control in AC motor drives and general phase control, as well as in discrete phase control applications. In addition, it can be used in a variety of other applications such as in servo motor control, voltage regulation, variable frequency drives, DC-DC converters, rectification of high frequency AC signals and DC input filtering.

Working Principle

SE50PABHM3/I is a high-voltage single diode rectifier module that works by allowing current to flow in one direction while blocking current-flow in the opposite direction. When forward-biased, the diode is used to cause current to flow through it, providing a low voltage drop. When reverse-biased, the diode blocks the current, stopping the flow of current.

The SE50PABHM3/I operates by using its internal bridge rectifier circuit to convert AC current into DC current. The bridge rectifier consists of four individual diodes connected in a closed loop with the load. During the positive half-cycle of the AC voltage, the upper diodes are forward-biased, allowing current to flow from the anode to cathode. During the negative half-cycle the lower diodes are forward-biased, allowing current to flow from anode to cathode. This creates a unidirectional current flow, which provides the rectified DC current.

SE50PABHM3/I is designed to provide high surge current and low forward voltage to deliver reliable operation in high-power applications. It is also designed with a wide operating range of -65℃ to +125℃ with a maximum ambient temperature of +150℃ and a wide junction temperature operating range of -65℃ to +175℃.

Conclusion

The SE50PABHM3/I is a high-voltage single diode rectifier module that can be used in applications requiring high surge capability and low forward voltage. It operates using a simple bridge rectifier circuit to convert AC current into DC current and is designed with a wide operating range. It is ideal for applications such as switched mode power supplies and DC input rectification, servo motor control, voltage regulation and DC-DC conversion, among others.

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