本公司自成立以来，始终秉承 “诚信”的营销理念。
本公司承诺：“以十分的努力换回用户的一份满意，让每一位用户满意” 。
本公司宗旨：“以高效的管理降低成本；
以精良的产品赢得市场；
以优质的服务提高信誉；
以合理的价格取得利润；
以不断的创新求得发展”
本企业精神：“认真做好每一件事,真诚对待每一个人, 奋发向前每一春秋”。
主要经营：英飞凌IGBT、西门康IGBT、三菱IGBT、富士模块、三社可控硅、IXYS可控硅模块、整流桥模块、快恢复二极管、IGBT、IPM、PIM、无感吸收电容常备有大量现货，价格绝对有优势！产品全部为原装正品。
供应全新原装英国西码WESTCODE可控硅、二极管模块，N系列相控可控硅、R系列快速可控硅、SM系列、SW系列普通二极管等系列电力电子模块。
西玛二极管
螺栓/平面底座型
SW02PCN012
SW04PCN012
SW06PCN012
SW08PCN012
SW12PCN012
SW10PCN012
SW02PCR012
SW02PCR012
SW04PCR012
SW06PCR012
SW08PCR012
SW10PCR012
SW12PCR012
SW02PCN020
SW04PCN020
SW06PCN020
SW08PCN020
SW10PCN020
SW12PCN020
SW02PCR020
SW04PCR020
SW06PCR020
SW08PCR020
SW10PCR020
SW12PCR020
SW02PCN030
SW04PCN030
SW06PCN030
SW08PCN030
SW10PCN030
SW12PCN030
SW02PCR030
SW04PCR030
SW06PCR030
SW08PCR030
SW10PCR030
SW12PCR030
SW02PCN040
SW04PCN040
SW06PCN040
SW08PCN040
SW10PCN040
SW12PCN040
SW02PCR040
SW04PCR040
SW06PCR040
SW08PCR040
SW10PCR040
SW12PCR040
SW02PCN055
SW04PCN055
SW06PCN055
SW08PCN055
SW10PCN055
SW12PCN055
SW02PCR055
SW04PCR055
SW06PCR055
SW08PCR055
SW10PCR055
SW12PCR055
SW02PCN075
SW04PCN075
SW06PCN075
SW08PCN075
SW10PCN075
SW12PCN075
SW02PCR075
SW04PCR075
SW06PCR075
SW08PCR075
SW10PCR075
SW12PCR075
SW02PHN300
SW04PHN300
SW06PHN300
SW08PHN300
SW10PHN300
SW12PHN300
SW14PHN300 
SW15PHN300
SW02PHR300
SW04PHR300
SW06PHR300
SW08PHR300
SW12PHR300
SW14PHR300
SW15PHR300
SW02HHN300
SW04HHN300
SW06HHN300
SW08HHN300
SW10HHN300
SW12HHN300
SW14HHN300
SW15HHN300
SW02HHR300
SW04HHR300
SW06HHR300
SW08HHR300
SW10HHR300
SW12HHR300
SW14HHR300
SW15HHR300
SW16PHN320
SW18PHN320
SW20PHN320
SW22PHN320
SW24PHN320
SW16PHR320
SW18PHR320
SW20PHR320
SW22PHR320
SW24PHR320
SW16HHN320
SW18HHN320
SW20HHN320
SW22HHN320
SW24HHN320
SW16HHR320
SW18HHR320
SW20HHR320
SW22HHR320
SW24HHR320
SW16PHN380
SW18PHN380
SW20PHN380
SW22PHN380
SW24PHN380
SW16PHR380
SW18PHR380
SW20PHR380
SW22PHR380
SW24PHR380
SW16HHR380
SW18HHR380
SW20HHR380
SW22HHR380
SW24HHR380
SW02PHN400
SW04PHN400
SW06PHN400
SW08PHN400
SW10PHN400
SW12PHN400
SW14PHN400
SW15PHN400
SW02PHR400
SW04PHR400
SW06PHR400
SW08PHR400
SW10PHR400
SW12PHR400
SW14PHR400
SW15PHR400
SW02HHN400
SW04HHN400
SW06HHN400
SW08HHN400
SW10HHN400
SW12HHN400
SW14HHN400
SW15HHN400
SW02HHR400
SW04HHR400
SW06HHR400
SW08HHR400
SW10HHR400
SW12HHR400
SW14HHR400
SW15HHR400
SW38KBR515
SW40KBR515
SW42KBR515
SW44KBR515
SW38KBN515
SW40KBN515
SW42KBN515
SW44KBN515
SW30KBR595
SW32KBR595
SW34KBR595
SW36KBR595
SW30KBN595
SW32KBN595
SW34KBN595
SW36KBN595
SW24KBR635
SW26KBR635
SW28KBR635
SW30KBR635
SW24KBN635
SW26KBN635
SW28KBN635
SW30KBN635
SW02KBR805
SW04KBR805
SW06KBR805
SW08KBR805
SW10KBR805
SW12KBR805
SW14KBR805
SW16KBR805
SW18KBR805
SW20KBR805
SW22KBR805
SW02KBN805
SW04KBN805
SW06KBN805
SW08KBN805
SW10KBN805
SW12KBN805
SW14KBN805
SW16KBN805
SW18KBN805
SW20KBN805
SW22KBN805
SW02KBR935
SW04KBR935
SW06KBR935
SW08KBR935
SW10KBR935
SW12KBR935
SW02KBN935
SW04KBN935
SW06KBN935
SW08KBN935
SW10KBN935
SW12KBN935
西玛（WESTCODE）二极管（膜盒型）模块；
SW02CXC300
SW04CXC300
SW06CXC300
SW08CXC300
SW10CXC300
SW12CXC300
SW14CXC300
SW15CXC300
SW16CXC320
SW18CXC320
SW20CXC320
SW22CXC320
SW24CXC320
SW16CXC380
SW18CXC380
SW20CXC380
SW22CXC380
SW24CXC380
SW02CXC400
SW04CXC400
SW06CXC400
SW08CXC400
SW10CXC400
SW12CXC400
SW14CXC400
SW15CXC400
SW02CXC470
SW04CXC470
SW06CXC470
SW08CXC470
SW10CXC470
SW12CXC470
SW14CXC470
SW15CXC470
SW20CXC445
SW22CXC445
SW24CXC445
SW26CXC445
SW28CXC445
SW30CXC445
SW02CXC565
SW04CXC565
SW06CXC565
SW08CXC565
SW10CXC565
SW12CXC565
SW14CXC565
SW16CXC565
SW18CXC565
SW20CXC565
SW38CXC515
SW40CXC515
SW42CXC515
SW44CXC515
SW30CXC595
SW32CXC595
SW34CXC595
SW36CXC595
SW24CXC635
SW26CXC635
SW28CXC635
SW30CXC635
SW02CXC805
SW04CXC805
SW06CXC805
SW08CXC805
SW10CXC805
SW12CXC805
SW14CXC805
SW16CXC805
SW18CXC805
SW20CXC805
SW22CXC805
SW02CXC935
SW04CXC935
SW06CXC935
SW08CXC935
SW10CXC935
SW12CXC935
SW46CXC500
SW48CXC500
SW50CXC500
SW52CXC500
SW54CXC500
SW56CXC500
SW58CXC500
SW46CXC620
SW48CXC620
SW50CXC620
SW52CXC620
SW54CXC620
SW56CXC620
SW58CXC620
SW36CXC680
SW38CXC680
SW40CXC680
SW42CXC680
SW44CXC680
SW45CXC680
SW36CXC815
SW38CXC815
SW40CXC815
SW42CXC815
SW44CXC815
SW45CXC815
SW26CXC820
SW28CXC820
SW30CXC820
SW32CXC820
SW34CXC820
SW36CXC820
SW26CXC930
SW28CXC930
SW30CXC930
SW32CXC930
SW34CXC930
SW36CXC930
SW16CXC950
SW18CXC950
SW20CXC950
SW22CXC950
SW24CXC950
SW25CXC950
SW16CXC11C
SW18CXC11C
SW20CXC11C
SW22CXC11C
SW24CXC11C
SW25CXC11C
SW02CXC14C
SW04CXC14C
SW06CXC14C
SW08CXC14C
SW10CXC14C
SW12CXC14C
SW14CXC14C
SW16CXC14C
SW18CXC14C
SW20CXC14C
SW26CXC13C
SW28CXC13C
SW30CXC13C
SW32CXC13C
SW34CXC13C
SW36CXC13C
SW38CXC13C
SW40CXC13C
SW02CXC16C
SW04CXC16C
SW06CXC16C
SW08CXC16C
SW10CXC16C
SW12CXC16C
SW14CXC16C
SW16CXC16C
SW18CXC16C
SW20CXC16C
SW02CXC22C
SW04CXC22C
SW06CXC22C
SW08CXC22C
SW10CXC22C
SW12CXC22C
SW14CXC22C
SW02CXC27C
SW04CXC27C
SW06CXC27C
SW08CXC27C
SW10CXC27C
SW12CXC27C
SW14CXC27C
SW28CXC15C
SW30CXC15C
SW32CXC15C
SW34CXC15C
SW36CXC15C
SW38CXC15C
SW40CXC15C
SW42CXC15C
SW20CXC20C
SW22CXC20C
SW24CXC20C
SW26CXC20C
SW28CXC20C
SW30CXC20C
SW20CXC21C
SW22CXC21C
SW24CXC21C
SW26CXC21C
SW28CXC21C
SW30CXC21C
SW12CXC26C
SW14CXC26C
SW16CXC26C
SW18CXC26C
SW20CXC26C
SW22CXC26C
SW02CXC30C
SW04CXC30C
SW06CXC30C
SW08CXC30C
SW10CXC30C
SW12CXC30C
SW14CXC30C
SW02CXC32C
SW04CXC32C
SW06CXC32C
SW08CXC32C
SW10CXC32C
SW12CXC32C
SW14CXC32C
西玛二极管螺栓/平面基极型模块
SM02PCN046
SM04PCN046
SM02PCR046
SM04PCR046
SM02PCN00701-1
SM04PCN00701-1
SM06PCN00701-1
SM02PCR00701-1
SM04PCR00701-1
SM06PCR00701-1
SM02PCN00701-2
SM04PCN00701-2
SM06PCN00701-2
SM08PCN00701-2
SM10PCN00701-2
SM02PCR00701-2
SM04PCR00701-2
SM06PCR00701-2
SM10PCR00701-2
SM02PCN074
SM04PCN074
SM06PCN074
SM08PCN074
SM10PCN074
SM02PCR074
SM04PCR074
SM06PCR074
SM08PCR074
SM10PCR074
SM02PCN076
SM04PCN076
SM02PCR076
SM04PCR076
SM02PCN085-1
SM04PCN085-1
SM06PCN085-1
SM02PCR085-1
SM04PCR085-1
SM06PCR085-1
SM02PCN085-2
SM04PCN085-2
SM06PCN085-2
SM08PCN085-2
SM10PCN085-2
SM02PCR085-2
SM04PCR085-2
SM06PCR085-2
SM08PCR085-2
SM10PCR085-2
SM16MCN094
SM18MCN094
SM20MCN094
SM22MCN094
SM24MCN094
SM25MCN094
SM16MCR094
SM18MCR094
SM20MCR094
SM22MCR094
SM24MCR094
SM25MCR094
SM12PHN100
SM14PHN100
SM16PHN100
SM18PHN100
SM12PHR100
SM14PHR100
SM16PHR100
SM18PHR100
SM16PC/HN134
SM18PC/HN134
SM20PC/HN134
SM22PC/HN134
SM24PC/HN134
SM25PC/HN134
SM16PC/HR134
SM18PC/HR134
SM20PC/HR134
SM22PC/HR134
SM24PC/HR134
SM25PC/HR134
SM16PC/HN144
SM18PC/HN144
SM20PC/HN144
SM22PC/HN144
SM24PC/HN144
SM25PC/HN144
SM16PC/HR144
SM18PC/HR144
SM20PC/HR144
SM22PC/HR144
SM24PC/HR144
SM25PC/HR144
SM02PHN170
SM04PHN170
SM06PHN170
SM08PHN170
SM10PHN170
SM12PHN170
SM14PHN170
SM02PHR170
SM04PHR170
SM06PHR170
SM08PHR170
SM10PHR170
SM12PHR170
SM14PHR170
SM12PHN174
SM14PHN174
SM16PHN174
SM18PHN174
SM20PHN174
SM12PHR174
SM14PHR174
SM16PHR174
SM18PHR174
SM20PHR174
西玛二极管（膜盒型）模块
SM16CXC134 SM18CXC134 SM20CXC134 SM22CXC134 SM24CXC134 SM25CXC134 SM16CXC144
SM18CXC144 SM20CXC144 SM22CXC144 SM24CXC144 SM26CXC144 SM28CXC144 SM02CXC170
SM04CXC170 SM06CXC170 SM08CXC170 SM10CXC170 SM12CXC170 SM14CXC170 SM12CXC174
SM14CXC174 SM16CXC174 SM18CXC174 SM20CXC174 SM18CXC166 SM20CXC166 SM22CXC166
SM24CXC166 SM25CXC166 SM12CXC176 SM14CXC176 SM16CXC176 SM18CXC176 SM20CXC176
SM02CXC190 SM04CXC190 SM06CXC190 SM08CXC190 SM10CXC190 SM12CXC190 SM14CXC190
SM16CXC190 SM30HXC084 SM32HXC084 SM34HXC084 SM36HXC084 SM38HXC084 SM40HXC084
SM42HXC084 SM44HXC084 SM45HXC084 SM25HXC103 SM26HXC103 SM28HXC103 SM30HXC103
SM32HXC103 SM34HXC103 SM35HXC103 SM30HXC164 SM32HXC164 SM34HXC164 SM36HXC164
SM38HXC164 SM40HXC164 SM42HXC164 SM44HXC164 SM45HXC164 SM02CXC220 SM04CXC220
SM06CXC220 SM08CXC220 SM10CXC220 SM12CXC220 SM14CXC220 SM16CXC220 SM14CXC224
SM16CXC224 SM18CXC224 SM20CXC224 SM21CXC224 SM46CXC274 SM48CXC274 SM50CXC274
SM52CXC274 SM54CXC274 SM56CXC274 SM02CXC314 SM04CXC314 SM06CXC314 SM08CXC314
SM10CXC314 SM12CXC314 SM13CXC314 SM30CXC344 SM32CXC344 SM34CXC344 SM36CXC344
SM38CXC344 SM40CXC344 SM42CXC344 SM44CXC344 SM45CXC344 SM30CXC364 SM32CXC364
SM34CXC364 SM36CXC364 SM38CXC364 SM40CXC364 SM42CXC364 SM44CXC364 SM45CXC364
SM30CXC374 SM32CXC374 SM34CXC374 SM36CXC374 SM38CXC374 SM40CXC374 SM42CXC374
SM44CXC374 SM45CXC374 SM26CXC474 SM28CXC474 SM30CXC474 SM32CXC474 SM34CXC474
SM36CXC474 SM16CXC524 SM18CXC524 SM20CXC524 SM22CXC524 SM24CXC524 SM25CXC524
SM02CXC724 SM04CXC724 SM06CXC724 SM08CXC724 SM10CXC724 SM12CXC724 SM14CXC724
SM16CXC724 SM18CXC724 SM20CXC724 SM16CXC334 SM18CXC334 SM20CXC334 SM22CXC334
SM24CXC334 SM25CXC334 SM02CXC504 SM04CXC504 SM06CXC504 SM46CXC574 SM48CXC574
SM50CXC574 SM52CXC574 SM54CXC574 SM56CXC574 SM30CXC604 SM32CXC604 SM34CXC604
SM36CXC604 SM38CXC604 SM40CXC604 SM42CXC604 SM44CXC604 SM45CXC604 SM30CXC614
SM32CXC614 SM34CXC614 SM36CXC614 SM38CXC614 SM40CXC614 SM42CXC614 SM44CXC614
SM45CXC614 SM30CXC624 SM32CXC624 SM34CXC624 SM36CXC624 SM38CXC624 SM40CXC624
SM42CXC624 SM44CXC624 SM45CXC624 SM26CXC824 SM28CXC824 SM30CXC824 SM32CXC824
SM34CXC824 SM36CXC824 SM16CXC915 SM18CXC915 SM20CXC915 SM22CXC915 SM24CXC915
SM25CXC915 SM16CXC924 SM18CXC924 SM20CXC924 SM22CXC924 SM24CXC924 SM25CXC924
SM30CXC864 SM32CXC864 SM34CXC864 SM36CXC864 SM38CXC864 SM40CXC864 SM42CXC864
SM44CXC864 SM45CXC864 SM18CXC968 SM20CXC968 SM22CXC968 SM24CXC968 SM25CXC968
SM20CXC974 SM22CXC974 SM24CXC974 SM26CXC974 SM28CXC974 SM30CXC974
产品参数及性能如下；
P0128SH12C 128A/1200V
P0128SH12D 128A/1200V
P0128SH12E 128A/1200V
P0128SH12F 128A/1200V
P0128SJ10C 128A/1000V
P0128SJ10D 128A/1000V
P0128SJ10E 128A/1000V
P0128SJ10F 128A/1000V
P0128SJ12C 128A/1200V
P0128SJ12D 128A/1200V
P0128SJ12E 128A/1200V
P0128SJ12F 128A/1200V
P0248SC10D 248A/1000V
P200PH10 248A/1000V
P0248SC10E 248A/1000V
P200PH10 248A/1000V
P0248SC10F 248A/1000V
P200PH10 248A/1000V
P0248SC12D 248A/1200V
P200PH12 248A/1200V
P0248SC12E 248A/1200V
P200PH12 248A/1200V
P0248SC12F 200A/1200V
P200PH12 200A/1200V
P0248SD10D 248A/1000V
P0248SD10E 248A/1000V
P0248SD10F 248A/1000V
P0248SD12D 248A/1200V
P0248SD12E 248A/1200V
P0248SD12F 248A/1200V
P0248SG10D 248A/1000V
P0248SG10E 248A/1000V
P0248SG10F 248A/1000V
P0248SG12D 248A/1200V
P0248SG12E 248A/1200V
P0248SG12F 248A/1200V
P0273SC10D 273A/1000V
P202PH10 273A/1000V
P0273SC10E 273A/1000V
P202PH10 273A/1000V
P0273SC10F 273A/1000V
P202PH10 273A/1000V
P0273SC12D 273A/1200V
P202PH12 273A/1200V
P0273SC12E 273A/1200V
P202PH12 273A/1200V
P0273SC12F 273A/1200V
P202PH12 273A/1200V
P0273SD10D 273A/1000V
P0273SD10E 273A/1000V
P0273SD10F 273A/1000V
P0273SD12D 273A/1200V
P0273SD12E 273A/1200V
P0273SD12F 273A/1200V
P0273SG10D 273A/1000V
P0273SG10E 273A/1000V
P0273SG10F 273A/1000V
P0273SG12D 273A/1200V
P0273SG12E 273A/1200V
P0273SG12F 273A/1200V
P0306SC04A 306A/400V
P214PH04 306A/400V
P0306SC04B 306A/400V
P214PH04 306A/400V
P0306SC04C 306A/400V
P214PH04 306A/400V
P0306SC08A 306A/800V
P214PH08 306A/800V
P0306SC08B 306A/800V
P214PH08 306A/800V
P0306SC08C 306A/800V
P214PH08 306A/800V
P0306SD04A 306A/400V
P0306SD04B 306A/400V
P0306SD04C 306A/800V
P0306SD08A 306A/800V
P0306SD08B 306A/800V
P0306SD08C 306A/800V
P0306SG04A 306A/400V
P0306SG04B 306A/400V
P0306SG04C 306A/400V
P0306SG08A 306A/800V
P0306SG08B 306A/800V
P0306SG08C 306A/800V
P0311SC10E 311A/1000V
P205PH10 311A/1000V
P0311SC10F 311A/1000V
P205PH10 311A/1000V
P0311SC10G 311A/1000V
P205PH10 311A/1000V
P0311SC12E 311A/1200V
P205PH12 311A/1200V
P0311SC12F 311A/1200V
P205PH12 311A/1200V
P0311SC12G 311A/1200V
P205PH12 311A/1200V
P0311SD10E 311A/1000V
P0311SD10F 311A/1000V
P0311SD10G 311A/1000V
P0311SD12E 311A/1200V
P0311SD12F 311A/1200V
P0311SD12G 311A/1200V
P0311SG10E 311A/1000V
P0311SG10F 311A/1000V
P0311SG10G 311A/1000V
P0311SG12E 311A/1200V
P0311SG12F 311A/1200V
P0311SG12G 311A/1200V
P0330SC04A 330A/400V
P215PH04 330A/400V
P0330SC04C 330A/400V
P215PH04 330A/400V
P0330SC04D 330A/400V
P215PH04 330A/400V
P0330SC06A 330A/600V
P215PH06 330A/600V
P0330SC06C 330A/600V
P215PH06 330A/600V
P0330SC06D 330A/600V
P215PH06 330A/600V
P0330SC08A 330A/800V
P215PH08 330A/800V
P0330SC08C 330A/800V
P215PH08 330A/800V
P0330SC08D 330A/800V
P215PH08 330A/800V
P0330SD04C 330A/400V
二极管模块外加反向电压不超过一定范围时，通过二极管的电流是少数载流子漂移运动所形成反向电流。由于反向电流很小，二极管处于截止状态。这个反向电流又称为反向饱和电流或漏电流，二极管的反向饱和电流受温度影响很大。
外加反向电压超过某一数值时，反向电流会突然增大，这种现象称为电击穿。引起电击穿的临界电压称为二极管反向击穿电压。电击穿时二极管失去单向导电性。如果二极管没有因电击穿而引起过热，则单向导电性不一定会被永久破坏，在撤除外加电压后，其性能仍可恢复，否则二极管就损坏了。因而使用时应避免二极管外加的反向电压过高。