The AO4805 from JSMicro Semiconductor is a MOSFET with Continous Drain Current -5 to -9 A, Drain Source Resistance 14 to 29 milli-ohm, Drain Source Breakdown Voltage -30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage -1.2 to -2.5 V. Tags: Surface Mount. More details for AO4805 can be seen below.