The RQ7E055AT from ROHM Semiconductor is a MOSFET with Continous Drain Current -5.5 to 5.5 A, Drain Source Resistance 19.3 to 36.1 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 RQ7E055AT can be seen below.