The Si7611DN from Vishay is a MOSFET with Continous Drain Current -18 A, Drain Source Resistance 21 to 33 Milliohm, Drain Source Breakdown Voltage -40 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage -3 to -1 V. Tags: Surface Mount. More details for Si7611DN can be seen below.