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Basic conditions for diode substitution

Time:2018-04-17 | Source:JIANGSU YUTAL

Ordinary rectifier diode: when the current IR is the same, the high voltage VR can replace the low voltage VR.



 

Schottky diode: when the voltage drop VF is the same, the large voltage VR can replace the voltage VR.


Fast recovery diode and high efficiency diode: when the recovery time is the same, the high voltage resistance can replace the small withstand voltage.




  The above is the most common diode replacement condition. The higher the matching of diode parameters to the route, the better the circuit. Therefore, in normal circumstances, we must require that the internal control standard is more stringent than the specification.