西瑪可控硅 西瑪晶閘管 西瑪二極管 西瑪可控硅 西瑪晶閘管 西瑪二極管
英國西碼可控硅WESTCODE可控硅： N系列相控可控硅（Phase Control Thyristors）
N170CH12-16 N195CH12-16 N275CH02-08 N282CH20-25 N281CH12-18 N280CH12-16 N283CH12-14 N310CH02-06 N255CH36-45 N257CH26-42 N260CH30-36 N330CH20-26 N350CH12-18 N370CH12-18 N520CH12-16 N320CH40-45 N360CH30-38 N390CH30-32 N450CH20-26 N490CH20-26 N510CH16-20 N540CH12-18 N600CH12-16 N610CH06-10 N500CH30-42 N570CH30-36 N680CH20-26 N740CH12-16 N560CH40-45 N630CH30-36 N640CH24-30 N760CH18-22 N990CH12-16 N750CH40-45 N850CH30-36 N880CH24-30 N900CH20-26 N1400CH02-20 N1600CH08-12 N1463CH36-42 N1663CH30-35 N1863CH20-28 N1483CH36-42 N1683CH29-35 N1883CH20-28 N1983CH18-22
英國西碼可控硅WESTCODE可控硅：R系列快速可控硅（Distributed Gate Thyristors）
R210SH10-12 R185SH08-12 R216SH08-12 R181SH14-16 R175SH20-25 R180SH06-10 R190SH10-14 R200SH16-21 R219SH08-12 R220SH08-12 R270SH04-08 D315CH32-36 R305SH14-21 D350SH24-26 R350SH08-12 R325SH10-14 R355SH08-12 R395SH14-21 D391SH22-25 D390SH18-25 D450SH10-12 R400SH08-12 D405SH14-20 R500CH20-28 R600CH18-25 R610CH22-25 R800CH16-18 R1200CH10-12 R1863CH24-28 R1966CH16-20 R1386CH40-45
西瑪可控硅 西瑪晶閘管 西瑪二極管 西瑪可控硅 西瑪晶閘管 西瑪二極管
