The RV4E031RPHZG from ROHM Semiconductor is a MOSFET with Continous Drain Current -3.1 to 3.1 A, Drain Source Resistance 75 to 172 milliohm, Drain Source Breakdown Voltage -30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage -2.5 to -1 V. Tags: Surface Mount. More details for RV4E031RPHZG can be seen below.