The FTK3911T from First Silicon is a MOSFET with Continous Drain Current -2.85 to -4.5 A, Drain Source Resistance 45 to 85 milli-ohm, Drain Source Breakdown Voltage -30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage -1.2 to -2.2 V. Tags: Surface Mount. More details for FTK3911T can be seen below.