The FTK3107D from First Silicon is a MOSFET with Continous Drain Current -45 to -60 A, Drain Source Resistance 5.4 to 9.7 milli-ohm, Drain Source Breakdown Voltage -30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage -1.0 to -3.0 V. Tags: Surface Mount. More details for FTK3107D can be seen below.