The ZDT749 from Diodes Incorporated is a Bipolar Junction Transistor with Emitter Base Voltage -5 V, Base Emitter Saturation Voltage -0.9 to -1.25 V, Emitter Cut off Current -0.1 µA, Collector Base Voltage -35 V, Collector Cut off Current -10 µA. Tags: Surface Mount, PNP Transistor. More details for ZDT749 can be seen below.