The BCX53-16 from Diotec 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 100 nA, Collector Emitter Breakdown Voltage 80 V. Tags: Surface Mount, PNP Transistor. More details for BCX53-16 can be seen below.