The PBHV8550XF from Nexperia is a Bipolar Junction Transistor with Emitter Base Voltage 6 V, Base Emitter Saturation Voltage 0.75 to 0.9 V, Emitter Cut off Current 100 nA, Collector Base Voltage 500 V, Collector Cut off Current 50 µA. Tags: Surface Mount, NPN Transistor. More details for PBHV8550XF can be seen below.