The MTD020B04Q8-0-TF-G from Cystech Electronics is a MOSFET with Continous Drain Current -4.6 to -12 A, Drain Source Resistance 23 to 42 milli-ohm, Drain Source Breakdown Voltage -40 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage -1.5 to -3 V. Tags: Surface Mount. More details for MTD020B04Q8-0-TF-G can be seen below.