The 2N4400 from Lision Technology is a Bipolar Junction Transistor with Emitter Base Voltage 6 V, Collector Base Voltage 60 V, Collector Emitter Breakdown Voltage 40 V, Collector Emitter Voltage 40 V, Continuous Collector Current 600 mA. Tags: Through Hole, NPN Transistor. More details for 2N4400 can be seen below.