The SSM6P40TU from Toshiba is a MOSFET with Continous Drain Current -1.4 A, Drain Source Resistance 175 to 403 Milliohm, Drain Source Breakdown Voltage -30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage -2 to -0.8 V. Tags: Surface Mount. More details for SSM6P40TU can be seen below.