The Si5471DC from Vishay is a MOSFET with Continous Drain Current -6 A, Drain Source Resistance 16.7 to 62 Milliohm, Drain Source Breakdown Voltage -20 V, Gate Source Voltage -12 to 12 V, Gate Source Threshold Voltage -1.1 to -0.6 V. Tags: Surface Mount. More details for Si5471DC can be seen below.