The 2SD1007-R from AiT Semiconductor is a Bipolar Junction Transistor with Emitter Base Voltage 5 V, Base Emitter Saturation Voltage 0.9 to 1.5 V, Emitter Cut off Current 100 nA, Collector Base Voltage 120 V, Collector Cut off Current 100 nA. Tags: Surface Mount, NPN Transistor. More details for 2SD1007-R can be seen below.