2SD774, NEC Electric, Silicon NPN Power Transistor, 
Vcbo 100V, Vceo 50V, Vebo 6V, Ic 1A, Tc 25°C 1W, 95MHz,
Case type: SOT-33,
Marking: D774, Rank K4: hFE 250..400
ECB 

Complementary PNP 2SB734