The BC55-16PAS from Nexperia is a Bipolar Junction Transistor with Emitter Base Voltage 5 V, Emitter Cut off Current 100 nA, Collector Base Voltage 60 V, Collector Cut off Current 0.1 to 10 µA, Collector Emitter Voltage 60 V. Tags: Surface Mount, NPN Transistor. More details for BC55-16PAS can be seen below.