The FTK3415 from First Silicon is a MOSFET with Continous Drain Current -4.0 A, Drain Source Resistance 0.050 to 0.100 ohm, Drain Source Breakdown Voltage -20 V, Gate Source Voltage -8 to 8 V, Gate Source Threshold Voltage -0.3 to -1 V. Tags: Surface Mount. More details for FTK3415 can be seen below.