The SSM6N813R from Toshiba is a MOSFET with Continous Drain Current 3.5 A, Drain Source Resistance 88 to 154 Milliohm, Drain Source Breakdown Voltage 100 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.5 to 2.5 V. Tags: Surface Mount. More details for SSM6N813R can be seen below.