Semiconductor Diode Detecting Circuit Diagram

Published:2011/6/26 4:22:00 Author:Vicky | Keyword: Semiconductor Diode Detecting Circuit | From:SeekIC

Semiconductor diode is often used in electrical engineering circuit. Once the original diode breaks, it should replaced. Whether the new diode is good or not can be judged in the way as the picture shows. As shown in the picture, T is a 220/3V-2W power transformer, VD1 & VD2 are 2CP10 rectifier diodes, H1 & H2 are luminous diodes, and VDX is a diode under test. During the testing, plug the VDX into sockets X1 &X2. If only one luminous diode sends out light when the power is on, then the diode is good; however, if H1 & H2 both are luminous, it indicates that the VDX suffers internal short-circuit; if both are lightless, it indicates that the diode suffers internal open-circuit.



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