The CP310-CMPTA46-CT from Central Semiconductor is a Bipolar Junction Transistor with Emitter Base Voltage 6 V, Base Emitter Saturation Voltage 1 V, Emitter Cut off Current 100 nA, Collector Base Voltage 450 V, Collector Cut off Current 100 nA. Tags: Bare Die, NPN Transistor. More details for CP310-CMPTA46-CT can be seen below.