The BTD5213L3-0-T3-G from Cystech Electronics is a Bipolar Junction Transistor with Emitter Base Voltage 5 V, Base Emitter Saturation Voltage 1.2 V, Emitter Cut off Current 100 nA, Collector Base Voltage 180 V, Collector Cut off Current 100 nA. Tags: Surface Mount, NPN Transistor. More details for BTD5213L3-0-T3-G can be seen below.