The MJD3055 from Lision Technology is a Bipolar Junction Transistor with Emitter Base Voltage 5 V, Collector Base Voltage 70 V, Collector Emitter Breakdown Voltage 60 V, Collector Emitter Voltage 60 V, Continuous Collector Current 10000 mA. Tags: Surface Mount, NPN Transistor. More details for MJD3055 can be seen below.