The 2SD1048-7-TB-E from onsemi is a Bipolar Junction Transistor with Emitter Base Voltage 5 V, Emitter Cut off Current 0.1 uA, Collector Base Voltage 20 V, Collector Cut off Current 0.1 µA, Collector Emitter Voltage 15 V. Tags: Surface Mount, NPN Transistor. More details for 2SD1048-7-TB-E can be seen below.