The RF4L070BG from ROHM Semiconductor is a MOSFET with Continous Drain Current -7 to 7 A, Drain Source Resistance 21 to 40 Milliohm, Drain Source Breakdown Voltage 60 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 2.5 V. Tags: Surface Mount. More details for RF4L070BG can be seen below.