The QM2544N5 from uPI Semiconductor is a MOSFET with Continous Drain Current 8.7 to 10.8 A, Drain Source Resistance 4.6 to 11.8 milli-ohm, Drain Source Breakdown Voltage 20 V, Gate Source Voltage -12 to 12 V, Gate Source Threshold Voltage 0.4 to 1.2 V. Tags: Surface Mount. More details for QM2544N5 can be seen below.