The FTK2A04NS from First Silicon is a MOSFET with Continous Drain Current 1.2 to 1.9 A, Drain Source Resistance 320 to 400 milli-ohm, Drain Source Breakdown Voltage 200 V, Gate Source Voltage -25 to 25 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Surface Mount. More details for FTK2A04NS can be seen below.