The QA3118M6N from uPI Semiconductor is a MOSFET with Continous Drain Current 13 to 115 A, Drain Source Resistance 4.0 to 7.4 milli-ohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -12 to 20 V, Gate Source Threshold Voltage 1.2 to 2.5 V. Tags: Surface Mount. More details for QA3118M6N can be seen below.