The RV5A040AP from ROHM Semiconductor is a MOSFET with Continous Drain Current -4 to 4 A, Drain Source Resistance 44 to 180 Milliohm, Drain Source Breakdown Voltage -12 V, Gate Source Voltage -8 to 0 V, Gate Source Threshold Voltage -3 to -1 V. Tags: Surface Mount. More details for RV5A040AP can be seen below.