The RF4G060AT from ROHM Semiconductor is a MOSFET with Continous Drain Current 6 A, Drain Source Resistance 32 to 51 milliohm, Drain Source Breakdown Voltage -40 V, Gate Source Voltage 20 V, Gate Source Threshold Voltage -2.5 to -1 V. Tags: Surface Mount. More details for RF4G060AT can be seen below.