The FTK2219 from First Silicon is a MOSFET with Continous Drain Current -430 to -540 mA, Drain Source Resistance 440 to 3000 milli-ohm, Drain Source Breakdown Voltage -20 V, Gate Source Voltage -8 to 8 V, Gate Source Threshold Voltage -0.3 to -1.0 V. Tags: Surface Mount. More details for FTK2219 can be seen below.