The UT6K3 from ROHM Semiconductor is a MOSFET with Continous Drain Current -5.5 to 5.5 A, Drain Source Resistance 30 to 63 Milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -12 to 12 V, Gate Source Threshold Voltage 0.5 to 1.5 V. Tags: Surface Mount. More details for UT6K3 can be seen below.