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Diode Characteristics
Feb 01, 2018

The rectifier diode in the switching power supply must have the characteristics of low forward voltage drop and rapid recovery, and should have sufficient output power. The following three types of rectifier diodes can be used: a fast recovery rectifier diode, an ultra fast recovery rectifier diode, a Schott Based rectifier diode. Fast recovery and fast recovery Rectifier diodes have moderate and high forward voltage drops in the range of 0.8 to 1.2V. Both rectifier diodes also have higher cut-off voltage parameters. Therefore, they are particularly suitable for use in low power, auxiliary power circuits with output voltages around 12V.