The IRFR9310 from Vishay is a MOSFET with Continous Drain Current -1.8 A, Drain Source Resistance 7000 milliohm, Drain Source Breakdown Voltage 400 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage -2 to -4 V. Tags: Surface Mount. More details for IRFR9310 can be seen below.