The QM3016AM3 from uPI Semiconductor is a MOSFET with Continous Drain Current 12 to 72 A, Drain Source Resistance 3.4 to 6.0 milli-ohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.2 to 2.5 V. Tags: Surface Mount. More details for QM3016AM3 can be seen below.