The SSM3J351R from Toshiba is a MOSFET with Continous Drain Current -3.5 A, Drain Source Resistance 107 to 184 Milliohm, Drain Source Breakdown Voltage -60 V, Gate Source Voltage -20 to 10 V, Gate Source Threshold Voltage -2 to -0.8 V. Tags: Surface Mount. More details for SSM3J351R can be seen below.