The FTK0988DFN56 from First Silicon is a MOSFET with Continous Drain Current 12.6 to 20 A, Drain Source Resistance 32 to 63 milli-ohm, Drain Source Breakdown Voltage 100 V, Gate Source Voltage -12 to 20 V, Gate Source Threshold Voltage 1 to 2.5 V. Tags: Surface Mount. More details for FTK0988DFN56 can be seen below.