The QM2429M3 from uPI Semiconductor is a MOSFET with Continous Drain Current -7.2 to -42 A, Drain Source Resistance 12 to 22 milli-ohm, Drain Source Breakdown Voltage -20 V, Gate Source Voltage -12 to 12 V, Gate Source Threshold Voltage -0.5 to -1.2 V. Tags: Surface Mount. More details for QM2429M3 can be seen below.