The FTK03N10 from First Silicon is a MOSFET with Continous Drain Current 3 A, Drain Source Resistance 113 to 190 milli-ohm, Drain Source Breakdown Voltage 100 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 3 V. Tags: Surface Mount. More details for FTK03N10 can be seen below.