The Si8481DB from Vishay is a MOSFET with Continous Drain Current -9.7 A, Drain Source Resistance 17 to 39 Milliohm, Drain Source Breakdown Voltage -20 V, Gate Source Voltage -8 to 8 V, Gate Source Threshold Voltage -0.9 to -0.4 V. Tags: Surface Mount. More details for Si8481DB can be seen below.