日系三极管前缀命名

日系三极管前缀命名Transistor codes:| ||Japanese Industrial Standard|Pro-electron code||(JIS)|||SA:PNP HF transistor|The first letter indicates the||SB:PNP AF transistor|material:||SC:NPN HF transistor|A=Ge||SD:NPN AF transistor|B=Si||SE:Diodes|C=GaAs||SF:Thyristors|R=compound materials.||SG:Gunn devices|(Most common type is B.)||SH:UJT|The second letter indicates the||SJ:P-channel FET/MOSFET|device application:||SK:N-channel FET/MOSFET