2SD1555

NPN Darlington Transistor ( 100V,0.8A, 625mW) (TO-92)

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 Transistor ( 15A ,100V , 75W ) ( TO-247)