Datasheets for common semiconductors
1N34A Germanium point-contact diode
1N914 Small signal fast switching diode, 300mA
1N4001/4002/4003/4005/4006/4007 Rectifier diodes, 1A
1N4148, 1N4448 High-speed switching diodes, 200mA
1N4728A - 1N4758A Zener diodes
1N5221B – 1N5263B Zener diodes
1N5817, 1N5818, 1N5819 Schottky barrier diodes, 1A
2N3904 NPN general purpose BJT
2N3906 PNP general purpose BJT
2N5088, 2N5089 NPN general purpose BJT
2N3055 NPN power transistor
TIP120/121/122 NPN Darlington
PN2222A/MMBT2222A/PZT2222A NPN general purpose BJT (also here)
J201, J202, MMBFJ201, MMBFJ202, MMBFJ203 N-channel general purpose JFET
MPF201 N-channel RF amplifier JFET
2N3819 N-channel RF amplifier JFET