The CMST5088TR from Central Semiconductor is a Bipolar Junction Transistor with Emitter Base Voltage 4.5 V, Base Emitter Saturation Voltage 0.8 V, Emitter Cut off Current 100 nA, Collector Base Voltage 35 V, Collector Cut off Current 50 nA. Tags: Surface Mount, NPN Transistor. More details for CMST5088TR can be seen below.