The CP310-2N6517-CT from Central Semiconductor is a Bipolar Junction Transistor with Emitter Base Voltage 6 V, Base Emitter Saturation Voltage 0.85 to 0.95 V, Emitter Cut off Current 50 nA, Collector Base Voltage 350 V, Collector Cut off Current 50 nA. Tags: Bare Die, NPN Transistor. More details for CP310-2N6517-CT can be seen below.