The BDY28 – 185T2C from Comset Semiconductors is a Bipolar Junction Transistor with Emitter Base Voltage 10 V, Base Emitter Saturation Voltage 1.2 V, Emitter Cut off Current 1 mA, Collector Base Voltage 500 V, Collector Cut off Current 1 mA. Tags: Through Hole, NPN Transistor. More details for BDY28 – 185T2C can be seen below.