The RM2309 from First Silicon is a MOSFET with Continous Drain Current -1.6 to -2 A, Drain Source Resistance 200 to 300 milli-ohm, Drain Source Breakdown Voltage -60 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage -1.2 to -2.5 V. Tags: Surface Mount. More details for RM2309 can be seen below.