The MTB120N20Q8-0-TF-G from Cystech Electronics is a MOSFET with Continous Drain Current 2.1 to 7 A, Drain Source Resistance 122 to 175 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 MTB120N20Q8-0-TF-G can be seen below.