上海皓旌电子科技有限公司(原上海万启)
全新原装，特约代理，大量现货库存
  英飞凌infineon,欧派克EUPEC,西门康SEMIKRON, 西门子SIEMENS，三菱MITSUBISHI，富士FUJI, 东芝TOSHIBA，艾赛斯IXYS, 西玛WESTCODE，丹尼克斯DYNEX ，ABB，西班牙CATELEC，三社，三垦，摩托罗拉，英达，日立，仙童，IR，POWERSEM，PRX，POWER，TYCO等公司生产的IGBT,TGCT,IPM，PIM，GTR，GTO,可控硅，快恢复二级管,整流桥；日之出HINODE、罗兰FERRAZ、博仕曼BUSSMANN，埃芬EFEN，进口快速熔断器,美国CDE吸收高频无感电容，电解电容,IGBT驱动电路, ABB变频器主控板,驱动板，控制板 变频器风扇 励磁单元 电源板等自动化产品

全新原装，特约代理，大量现货库存  期待与贵公司的合作！愿我公司能给贵公司带来更多的财富!
有些朋友不知道测试二极管的好坏，其实和测普通的二极管一样，很简单的，分为正向特性测试和反向特性测试，下面一一解答：
 正向特性测试是把万用表的黑表笔（表内正极）搭触二极管的正极，红表笔（表内负极）搭触二极管的负极。若表针不摆到0值而是停
在标度盘的中间，这时的阻值就是二极管的正向电阻，一般正向电阻越小越好。若正向电阻为0值，说明管芯短路损坏，若正向电阻接近
无穷大值，说明管芯断路。短路和断路的管子都不能使用。 反向特性测试是把万用表的红表笔搭触二极管的正极，黑表笔搭触二极管的负极，
若表针指在无穷大值或接近无穷大值，二极管就是合格的。

西玛代理，WESTCODE代理，，，，
西玛快速可控硅，，WESTCODE二极管，WESTCODE晶闸管，
WESTCODE可控硅，WESTCODE快速晶闸管，，
西玛WESTCODE圆饼晶闸管，平板晶闸管，平板式双向晶闸管，平板快速晶闸
 西玛GTO  WESTCODEGTO

西码可控硅--进口可控硅模块--WESTCODE--可控硅☆晶闸管

WX171RE320WX171RF250 WX171RF320 WX171SE250 WX171SE280
WX171SF250 WX171SF280 WX171SF320 SW16PHR320SW20PHR320 SW24PHR320 SW16PHR320
 SW20PHR320 SW24PHR320 SW20PHN320 SW24PHN320 SW16HHR320 SW20HHR320 SW24HHR320 
SW16HHN320 SW20HHN320 SW24HHN320 SW16PHR380 SW20PHR380 
SW24PHR380 SW16PHN380 SW20PHN380 SW24PHN380 SW16HHR380 SW20HHR380 SW24HHR380 SW16HHN380 
SW20HHN380 SW24HHN380 

SW15PHR300 SW04PHN300 SW12PHN300 SW15PHN300 SW12HHR300 SW15HHR300 SW15HHN300 SW04PHR400 SW12PHR400 SW15PHR400 
SW04PHN400 SW12PHN400 SW15PHN400 SW04HHR400 SW12HHR400 SW15HHR400 SW04HHN400 SW12HHN400 SW15HHN400 SW04PHR470 
SW12PHR470 SW15PHR470 SW04PHN470 SW12PHN470 SW15PHN470 SW04HHR470 SW12HHR470 SW15HHR470 SW04HHN470 SW12HHN470 
SW15HHN470 SW36HXC270 SW45HXC270SW16CXC320 SW20CXC320 SW24CXC320 SW16CXC380 SW20CXC380 SW24CXC380 SW06CXC300 
SW12CXC300 SW15CXC300 SW04CXC400 SW12CXC400 SW15CXC400 SW04CXC470 SW12CXC470 SW15CXC470 SW50CXC350 SW56CXC350 
SW20CXC445 SW32CXC445 SW20HXC445 SW32HXC445 SW30CXC515 SW38CXC515 SW45CXC515 SW16CXC565
SW20CXC565 SW25CXC565 SW16HXC565 SW20HXC565 SW25HXC565
SW50CXC500 SW60CXC500 SW60DXC500 SW30CXC595 SW36CXC595
SW50CXC620 SW60CXC620 SW24CXC635 SW30CXC635 SW40CXC680 SW50CXC680 SW08CXC805 SW18CXC805 SW22CXC805 SW25CXC805
SW40CXC815 SW50CXC815 SW36CXC818 SW45CXC920 SW02CXC935 SW10CXC935 SW12CXC935 SW14CXC935 Wx254MC500 Wx254MC520 
Wx254MC600 SW30CXC930 SW40CXC930 SW16CXC950 SW20CXC950 SW25CXC950 SW16CXC11C SW20CXC11C SW25CXC11C
SW30CXC1170 SW40CXC1170 SW36CXC1100 SW45CXC1100 SW36FXC1100 SW45FXC1100 WX166MC320 WX166MC360 WX166MC400 WX166MC420 
WX166MC480 SW28CXC12C SW35CXC12C Wx253MC420 Wx253MC440 Wx253MC450 SW30CXC13C SW40CXC13C SW30FXC13C SW40FXC13C SW08CXC14C
 SW16CXC14C SW20CXC14C SW22CXC14C Wx252MC360 Wx252MC380 Wx252MC400 SW16CXC16C SW22CXC16C SW28CXC16C SW16FXC16C SW22FXC16C
 SW28FXC16C Wx251MC300 Wx251MC320 Wx251MC350 SW40CXC15C SW45CXC15C SW50CXC15C SW40DXC15C SW45DXC15C SW50DXC15C SW30CXC17C
 SW34CXC17C SW30FXC17C SW34FXC17C WX199MC160 WX199MC200 WX199MC240 WX199MC280 SW34CXC1870 SW45CXC1870 SW34DXC1870 
SW45DXC1870 SW20CXC20C SW24CXC20C SW30CXC20C SW20DXC20C
SW24DXC20C SW30DXC20C SW02CXC19C SW06CXC19C SW02DXC19C SW06DXC19C SW24CXC18C SW28CXC18C SW32CXC18C SW35CXC18C SW24DXC18C 
SW28DXC18C SW32DXC18C SW35DXC18C SW20CXC21C SW24CXC21C SW30DXC21C WX043TC500 WX043TC560 WX043TD500 WX043TD560 SW02CXC22C 
SW10CXC22C SW14CXC22C Wx249MC120 Wx249MC140 Wx249MC150 SW02CXC27C SW10CXC27C SW14CXC27C SW02FXC27C SW10FXC27C SW14FXC27C 
SW12CXC26C SW18CXC26C SW22CXC26C SW12DXC26C SW18DXC26C SW22DXC26C SW12CXC2850 SW20CXC2850 SW24CXC2850 SW12DXC2850 
SW20DXC2850 SW24DXC2850 Wx248MC030 Wx248MC060 SW02CXC30C SW10CXC30C SW14CXC30C SW02DXC30C SW10DXC30C SW14DXC30C SW02CXC32C
 SW10CXC32C SW14CXC32C SW02DXC32C SW10DXC32C SW14DXC32C WX173DB008 WX173DB012 WX173DB020 WX181QK200 WX181QK220 Wx181QK100 
Wx181QK180 WX183QK050 WX183QK080 WX207HL300 WX207HL350 WX207HM300 WX207HM350 W4987MK200 W4987MK220 SM20MCR094
SM25MCR094 SM20MCN094 SM25MCN094 SM12PHR100 SM18PHR100 SM12PHN100 SM18PHN100 SM20PHR134 SM25PHR134 SM20PHN134 SM25PHN134 
SM20PCR134 SM25PCR134 SM20PCN134 SM25PCN134 SM20PHR144 SM25PHR144 SM20PHN144 SM25PHN144 SM20PCR144 SM25PCR144 SM20PCN144 
SM25PCN144 SM20PHR174 SM12PHN174 SM20PHN174 SM12PHR170 SM14PHR170 SM12PHN170 SM14PHN170
SM40CXC344 SM45CXC344 SM20CXC294 SM25CXC294 SM20CXC804 SM25CXC804 SM40CXC604 SM45CXC604 SM40CXC614 SM45CXC614 SM20CXC334 
SM25CXC334 SM40CXC864 SM45CXC864 SM40FXC864 SM45FXC864 SM20CXC915 SM26CXC915 SM02CXC504 SM06CXC504 SM36CXC954 SM42CXC954 
SM45CXC954 SM36DXC954 SM42DXC954 SM45DXC954 SM25CXC964 SM28CXC964 SM35CXC964 SM25DXC964 SM28DXC964 SM35DXC964 SM18CXC968 
SM25CXC968 SM18FXC968 SM25FXC968 SM20CXC974 SM30CXC974 SM20DXC974 SM24DXC974 SM30DXC974 SM30HXC084 SM36HXC084 SM45HXC084 
SM30HXC103 SM35HXC103 SM16CXC134 SM20CXC134 SM25CXC134 SM12CXC100
SM18CXC100 SM14CXC144 SM22CXC144 SM28CXC144 SM35HXC164 SM45HXC164 SM12CXC174 SM16CXC174 SM20CXC174 SM08CXC170 SM14CXC170 
SM12CXC176 SM16CXC176 SM20CXC176 SM40CXC364 SM45CXC364 SM56CXC274 SM60CXC274 SM40CXC374 SM45CXC374 SM04CXC190 SM12CXC190 
SM16CXC190 SM14CXC220 SM16CXC220 SM26CXC474 SM30CXC474 SM36CXC474 SM14CXC224 SM18CXC224 SM21CXC224 SM20CXC524 SM25CXC524 
SM12CXC724 SM16CXC724 SM20CXC724 SM10CXC314 SM12CXC314 SM50CXC574 SM60CXC574 SM40CXC624 SM45CXC624 SM26CXC824 SM36CXC824 
SM26CXC824 SM36CXC824 SM16CXC924 SM25CXC924 SM40CXC394 SM45CXC394 SM40FXC394 SM45FXC394 SM12CXC514 SM16CXC514 SM30CXC384 
SM40CXC384 SM30DXC384 SM40DXC384 MX070VC200 MX070VC250 F0258WC140 F0258WC180 F0400LC140 F0400LC180 FX055VC450 FX055VC520 
FX055VF450 FX055VF520 F0500LC080 F0500LC120 FX004NC140 FX004NC180 FX056NC200 FX056NC250 FX021NC080 FX021NC120 N086PH12 
N086PH16 N086RH12 N086RH16 N105PH12 N105PH16 N105RH12 N105RH16 N170PH12 N170PH16 N195PH12 N195PH16 N275PH02 N275PH08 
N086CH12 N086CH16 N105CH12 N105CH16 N170CH12 N170CH16 N195CH12 N195CH16 N275CH02 N275CH08 N282SH20 N255CH40 N255CH45 
N257CH38 N257CH42 N260CH30 N260CH36 N281SH12 N281SH18 N280SH12 N280SH16 N283SH12 N283SH16 N320CH40 N320CH45 N330SH20 N330SH26
N310SH02 N310SH06 N360CH30 N360CH38 N350SH12 N350SH18 N370SH12 N370SH18 N390CH30 N390CH32 N500CH38 N500CH42
N520SH12 N520SH16 N450SH20 N450SH26 N570CH30 N570CH36