The FTK0103M from First Silicon is a MOSFET with Continous Drain Current 3 A, Drain Source Resistance 136 to 170 milli-ohm, Drain Source Breakdown Voltage 100 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 0.8 to 2.0 V. Tags: Surface Mount. More details for FTK0103M can be seen below.