N0676YS180可控硅从外形上分主要有螺旋式、平板式和平底式三种，螺旋式的应用较多。
可控硅有三个电极---阳极（A）阴极（C）和控制极（G）。它有管芯是P型导体和N型导体交迭组成的四层结构，
共有三个PN结。可控硅和只有一个PN结的硅整流二极度管在结构上迥然不同。可控硅的四层结构和控制极的引用，

  原装英国西码（WESTCODE）可控硅主要型号如下:
   
N0194WC120
N0194WC160
N0255WC120
N0255WC160
N0339WC120
N0339WC160
N0392WC120
N0392WC160
N0491WC020
N0491WC080
N0606YS200
N0606YS240
N0616LC400
N0616LC450
N0634LC380
N0634LC420
N0646LC300
N0646LC360
N0676YS120
N0676YS180

SKM150GAL123D
SKM200GAL123D
SKM300GAL123D
SKM75GAR123D
SKM100GAR123D
SKM150GAR123D
SKM200GAR123D
SKM300GAR123D
SKM195GB126D
SKM200GB126D
SKM300GB126D
SKM400GB126D
SKM600GB126D
SKM195GAL126D
SKM200GAL126D
SKM400GAL126D
SKM600GAL126D
SKM600GA126D
SKM800GA126D
SKM75GB128D
SKM100GB128D
SKM145GB128D
SKM150GB128D
SKM200GB128D
SKM300GB128D
SKM400GB128D
SKM100GAL128D
SKM145GAL128D
SKM200GAL128D
SKM300GAL128D
SKM400GAL128D
SKM145GAR128D
SKM400GAR128D
SKM50GB12T4
SKM75GB12T4
SKM100GB12T4
SKM150GB12T4
SKM200GB12T4
SKM300GB12T4
SKM400GB12T4
SKM100GB12T4G
SKM150GB12T4G
SKM150GAL12T4
SKM200GAL12T4
SKM300GAL12T4
SKM400GAL12T4
SKM150GAR12T4
SKM400GAR12T4
SKM75GB176D
SKM100GB176D
SKM145GB176D
SKM200GB176D
SKM400GB176D
SKM145GAL176D
SKM200GAL176D
SKM400GAL176D
SKM50GB124D
SKM75GB124D
SKM100GB124D
SKM145GB124D
SKM150GB124D

仙童IGBT

FM2G100US60
FM2G150US60
FM2G200US60
FM2G300US60
FM2G400US60
FM2G50U60
FMBH1G50US60
FMBL1G50US60
FM2G75US60
FMBH1G75US60
FMBL1G75US60
FMBH1G100US60
FMBL1G100US60
FMBH1G150US60
FMGL1G150US60
FMBL1G200US60
FMBH1G200US60
FMBH1G300US60
FMBL1G300US60
FMBH1G400US60
FMBL1G400US60
FM2G50US120
FM2G75US120
FM2G100US120
FM2G150US120
FME6G10SU60
FMC6G10US60
FMC7G10US60
FME6G15US60
FMC6G15US60
FMC7G15US60
FME6G20US60
FMC6G20US60
FMC7G20US60
FME6G30US60
FMC6G30US60
FMC7G30US60
FMC6G50US60
FMC7G50US60
FME6G5US120
FMC7G5US120
FME6G10US120
FMC7G10US120
FME6G15US120
FMC7G15US120
FME6G20US120
FMC7G20US120
FME6G25US120
FMC7G25US120
FM2G200US120
FMC7G10US60
FMC7G15US60
FMC7G20US60
MFC7G30US60
FMC7G50US60
FMC6G10US60
SME6G10US60
SME6G15US60
FMC6G15US60
FMC6G20US60