The BCX53TR from Central Semiconductor is a Bipolar Junction Transistor with Emitter Base Voltage 5 V, Emitter Cut off Current 100 nA, Collector Base Voltage 100 V, Collector Cut off Current 0.1 to 10 µA, Collector Emitter Breakdown Voltage 80 V. Tags: Surface Mount, PNP Transistor. More details for BCX53TR can be seen below.