The RS1G120MN from ROHM Semiconductor is a MOSFET with Continous Drain Current -34 to 34 A, Drain Source Resistance 11.6 to 20.7 Milliohm, Drain Source Breakdown Voltage 40 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 2.5 V. Tags: Surface Mount. More details for RS1G120MN can be seen below.