The MTB3D6N04RE3-0-UB-G from Cystech Electronics is a MOSFET with Continous Drain Current 18 to 43 A, Drain Source Resistance 4.3 to 8 milli-ohm, Drain Source Breakdown Voltage 40 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 2.5 V. Tags: Through Hole. More details for MTB3D6N04RE3-0-UB-G can be seen below.