The BTC2881L3 from Cystech Electronics is a Bipolar Junction Transistor with Emitter Base Voltage 6 V, Base Emitter Saturation Voltage 0.85 to 1 V, Emitter Cut off Current 100 nA, Collector Base Voltage 300 V, Collector Cut off Current 100 nA. Tags: Surface Mount, NPN Transistor. More details for BTC2881L3 can be seen below.