The RQ5E040RP from ROHM Semiconductor is a MOSFET with Continous Drain Current -4 to 4 A, Drain Source Resistance 32 to 72 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 RQ5E040RP can be seen below.