详细说明：

DF75LA160　　用万用表可以区分晶闸管的三个电极吗?怎样测试晶闸管的好坏呢? 　　
普通晶闸管的三个电极可以用万用表欧姆挡R×100挡位来测。大家知道，晶闸管G、K之间是一个PN结〔图2(a)〕，
相当于一个二极管，G为正极、K为负极，所以，按照测试二极管的方法，找出三个极中的两个极，测它的正、反向电阻，电阻小时，
万用表黑表笔接的是控制极G，红表笔接的是阴极K，剩下的一个就是阳极A了。测试晶闸管的好坏，可以用刚才演示用的示教板电路(图3)。
接通电源开关S，按一下按钮开关SB，灯泡发光就是好的，不发光就是坏的。
编辑本段晶闸管在电路中的主要用途
可控整流

DF40BA40
DF40BA80
DF40AA120
DF40AA160
DF50BA40
DF50BA80
DF50AA120
DF50AA160
DF60BA40
DF60BA80
DF60AA120
DF60AA160
DF75BA40
DF75BA80
DF75AA120
DF75AA160
DF100BA40
DF100BA80
DF100AA120
DF100AA160
DF150BA40
DF150BA80
DF150AA120
DF150AA160
DF200BA40
DF200BA80
DF200AA120
DF200AA160
DF75AC80
DF75AC160
DF100AC80
DF100AC160
DF150AC80
DF150AC160
DF200AC80
DF200AC160
DF20CA80
DF20CA120
DF20CA160
DF30CA80

DF30CA120
DF30CA160
DF60LA80
DF60LA160
DF60LB80
DF60LB160
DF75LA80
DF75LA160
DF75LB80
SKD62/18 SEMIKRON 60A/1800V/DIODE/6U
SKD82/04 SEMIKRON 80A/400V/DIODE/6U
SKD82/08 SEMIKRON 80A/800V/DIODE/6U
SKD82/12 SEMIKRON 80A/1200V/DIODE/6U
SKD82/14 SEMIKRON 80A/1400V/DIODE/6U
SKD82/16 SEMIKRON 80A/1600V/DIODE/6U
SKD82/18 SEMIKRON 80A/1800V/DIODE/6U
SKD83/04 SEMIKRON 83A/400V/DIODE/6U
SKD83/08 SEMIKRON 83A/800V/DIODE/6U
SKD83/12 SEMIKRON 83A/1200V/DIODE/6U
SKD83/14 SEMIKRON 83A/1400V/DIODE/6U
SKD83/16 SEMIKRON 83A/1600V/DIODE/6U
SKD83/18 SEMIKRON 83A/1800V/DIODE/6U
SKDH100/08 SEMIKRON 100A/800V/DIODE+SCR/6U
SKDH100/12 SEMIKRON 100A/1200V/DIODE+SCR/6U
SKDH100/14 SEMIKRON 100A/1400V/DIODE+SCR/6U
SKDH115/12 SEMIKRON 100A/1400V/DIODE+SCR/6U
SKDH115/16 SEMIKRON 100A/1400V/DIODE+SCR/6U
SKDH116/12-L75 SEMIKRON 100A/1400V/DIODE+SCR/6U
SKDH116/16-L75 SEMIKRON 100A/1400V/DIODE+SCR/6U

HFA90NH40PBF
IR0530CSPTR
IR0530CSPTRPBF
IR05H40CSPTR
IR05H40CSPTRPBF
IR130CSPTR
IR130CSPTRPBF
IR140CSPTR
IR140CSPTRPBF
IR1H40CSPTR
IR1H40CSPTRPBF
KBPC1005
KBPC101
KBPC102
KBPC104
KBPC106
KBPC108
KBPC110
KBPC6005
KBPC6005PBF
KBPC601
KBPC601PBF
KBPC602
KBPC602PBF
KBPC604
KBPC604PBF
KBPC606
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KBPC608
KBPC608PBF
KBPC610
KBPC610PBF
KBPC8005
KBPC8005PBF
KBPC801
KBPC801PBF
KBPC802
KBPC802PBF
KBPC804
KBPC804PBF
KBPC806
KBPC806PBF
KBPC808
KBPC808PBF
KBPC810
KBPC810PBF
MBR0520
MBR0520PBF
MBR0530
MBR0530PBF
MBR0540
MBR0540PBF
MBR1035
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MBR1045
MBR1045PBF
MBR10T100
MBR1100
MBR1100TR
MBR150
MBR150TR
MBR1535CT
MBR1535CT-1
MBR1535CT-1PBF
MBR1535CTPBF
MBR1545CT
MBR1545CT-1
MBR1545CT-1PBF
MBR1545CTPBF
MBR160