The SSM6N357R from Toshiba is a MOSFET with Continous Drain Current 0.65 A, Drain Source Resistance 800 to 2400 Milliohm, Drain Source Breakdown Voltage 60 V, Gate Source Voltage -12 to 12 V, Gate Source Threshold Voltage 1.3 to 2 V. Tags: Surface Mount. More details for SSM6N357R can be seen below.