The FTK4910 from First Silicon is a MOSFET with Continous Drain Current 5.4 to 6.7 A, Drain Source Resistance 16 to 25 milli-ohm, Drain Source Breakdown Voltage 40 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.2 to 2.5 V. Tags: Surface Mount. More details for FTK4910 can be seen below.