BC548B

20A , 1700V , NPN Triple Diffused Planar Silicon Transistor .

Silicon NPN Transistor ( 40V, 0.5 A , 0.625 W) (TO-92)

Silicon PNP Power Darlington Transistor ( 8A ,100V , 70W ) (TO-220)

Silicon PNP Power Darlington Transistor ( 10A ,100V , 125W ) (TO-220)

Silicon PNP POWER Transistor ( 1A ,100V , 30W ) (TO-220)