The FTK0964DFN56 from First Silicon is a MOSFET with Continous Drain Current 15.8 to 25 A, Drain Source Resistance 42 to 60 milli-ohm, Drain Source Breakdown Voltage 100 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.0 to 2.2 V. Tags: Surface Mount. More details for FTK0964DFN56 can be seen below.