dnd warna gmd
germanium - bipolar/darlington?/npn/pnp =4 silicon - bipolar/darlington/thickfilm/thinfilm/npn/pnp =8 J-FET/enhancement/depletion/nchannel/pchannel = 4 MOSFET/enhancement/depletion/nchannel/pchannel = 4 I know of 20 kinds without considering application packaging & frequency (speed).
You will need to take your measurments. Follow the guise here http://www.2become1weddings.com/Articles/detail~iData~122~iCat~1037~iChannel~2~nChannel~Articles.htm