Category Description Sub-section Begins with
Transistors American
2N .. / IRLR.. / IRLU.. / IXFH.. / IXFN.. / IXSH.. / IXGH.. / J..


MJ.. / MJE.. / MPS.. / MPSU.. / MRF.. / TIP..
American FET`s
3N .. / IRF.. / IRFI.. / IRFP.. / IRFR.. / IRFS.. / IRFU.. 


IRG.. / IRL.. / VN..
European Germanium
AC .. / AD .. / AF .. / etc.
European Silicon
BC.. / BD.. / BF.. / BSY.. / BTS.. / BU.. / BUK.. / BUT..


BUT.. / BUV.. / BUW.. / BUX.. / BUY.. / BUZ.. 
FET'S
BUZ.. / SPA go to XXA.. / VNB go to XXB.. / STB go to XXB


SUB go to XXB.. / SGD go to XXD.. / MTM go to XXM.. 


SSP got to XXP.. / VNP go to XXP.. / MTP go to XXP.. 


VNW go to XXW.. / STW go to XXW.. / etc
IGBT module INF / EUPEC BSM../ FS.. / TT..

FUJI 2 DI.. / 2 MBI.. / 6 MBI.. / JMBR..

ROHM BSM.. / SCH.. / SCT..

SEMIKRON SKIIP.. / SKM.. 

MITS CM.. / QM.. 
Japanese
2SA .. / 2SB .. / 2SC .. / 2SD ..
Japanese FET`s
2SJ .. / 2SK .. / 3SK ..
RCA
40..
BC 251A
SI-P 45V 100mA 300mW TO-92
BC 251B
SI-P 45V 100mA 300mW TO-92
BC 252A
SI-P 25V 100mA 300mW TO-92
BC 252B
SI-P 25V 100mA 300mW TO-92
BC 253A
SI-P 25V 100mA 300mW TO-92
BC 253B
SI-P 25V 100mA 300mW TO-92
BC 253C
SI-P 25V 100mA 300mW TO-92
BC 256A
SI-P 64V 100mA 300mW TO-92
BC 256B
SI-P 64V 100mA 300mW TO-92
BC 257A
SI-P 45V 100mA 300mW TO-92
BC 257B
SI-P 45V 100mA 300mW TO-92
BC 258B
SI-P 25V 100mA 300mW TO-92
BC 259B
SI-P 20V 100mA 300mW TO-92
BC 260C
SI-P 20V 100mA 300mW TO-18
BC 261A
SI-P 25V 100mA 300mW TO-18
BC 262A
SI-P 25V 100mA 300mW TO-18
BC 263C
SI-P 25V 100mA 300mW TO-18
BC 264A
N Chnl.J-FET 30V 2-4.5mA TO-92
BC 264B
N Chnl.J-FET 30V 3-6.5mA TO-92
BC 264C
N Chnl.J-FET 30V 5-8 mA TO-92