The TSM080N03PQ56 from Taiwan Semiconductor is a MOSFET with Continous Drain Current 73 A, Drain Source Resistance 6.5 to 12.5 milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 2.5 V. Tags: Surface Mount. More details for TSM080N03PQ56 can be seen below.