The UT6K30 from ROHM Semiconductor is a MOSFET with Continous Drain Current -3 to 3 A, Drain Source Resistance 111 to 223 Milliohm, Drain Source Breakdown Voltage 60 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.3 to 2.7 V. Tags: Surface Mount. More details for UT6K30 can be seen below.