The 2SD1247 from Lision Technology is a Bipolar Junction Transistor with Emitter Base Voltage 6 V, Collector Base Voltage 30 V, Collector Emitter Breakdown Voltage 25 V, Collector Emitter Voltage 25 V, Continuous Collector Current 2500 mA. Tags: Through Hole, NPN Transistor. More details for 2SD1247 can be seen below.