The SSM3K17FU from Toshiba is a MOSFET with Continous Drain Current 0.1 A, Drain Source Resistance 12000 to 40000 Milliohm, Drain Source Breakdown Voltage 50 V, Gate Source Voltage -7 to 7 V, Gate Source Threshold Voltage 0.9 to 1.5 V. Tags: Surface Mount. More details for SSM3K17FU can be seen below.