The SSM3K341TU from Toshiba is a MOSFET with Continous Drain Current 6 A, Drain Source Resistance 28 to 69 Milliohm, Drain Source Breakdown Voltage 60 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.5 to 2.5 V. Tags: Surface Mount. More details for SSM3K341TU can be seen below.