The BFY90 from Central Semiconductor is a Bipolar Junction Transistor with Emitter Base Voltage 2.5 V, Collector Base Voltage 30 V, Collector Cut off Current 10 nA, Collector Emitter Breakdown Voltage 15 V, Collector Emitter Voltage 15 V. Tags: Through Hole, NPN Transistor. More details for BFY90 can be seen below.