The MTB9D0P03E3-0-UB-G from Cystech Electronics is a MOSFET with Continous Drain Current -11 to -53 A, Drain Source Resistance 9 to 18 milli-ohm, Drain Source Breakdown Voltage -30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage -1 to -2.5 V. Tags: Through Hole. More details for MTB9D0P03E3-0-UB-G can be seen below.