The 2N6546 from Mospec Semiconductor is a Bipolar Junction Transistor with Emitter Base Voltage 9 V, Base Emitter Saturation Voltage 1.6 V, Emitter Cut off Current 1 mA, Collector Base Voltage 850 V, Collector Cut off Current 4 mA. Tags: Through Hole, NPN Transistor. More details for 2N6546 can be seen below.