The MTB120N20J3-0-T3-G from Cystech Electronics is a MOSFET with Continous Drain Current 14 A, Drain Source Resistance 125 to 182 milli-ohm, Drain Source Breakdown Voltage 200 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 2.5 V. Tags: Surface Mount. More details for MTB120N20J3-0-T3-G can be seen below.