The SSM3K72CTC from Toshiba is a MOSFET with Continous Drain Current 0.15 A, Drain Source Resistance 2800 to 8100 Milliohm, Drain Source Breakdown Voltage 60 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.1 to 2.1 V. Tags: Surface Mount. More details for SSM3K72CTC can be seen below.