The 2SD400 from Lision Technology is a Bipolar Junction Transistor with Emitter Base Voltage 5 V, Collector Base Voltage 25 V, Collector Emitter Breakdown Voltage 25 V, Collector Emitter Voltage 25 V, Continuous Collector Current 1000 mA. Tags: Through Hole, NPN Transistor. More details for 2SD400 can be seen below.