The SSM3K361R from Toshiba is a MOSFET with Continous Drain Current 2.5 A, Drain Source Resistance 51 to 92 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 SSM3K361R can be seen below.