The CP317X-BFY90-CT 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: Bare Die, NPN Transistor. More details for CP317X-BFY90-CT can be seen below.