The RQK0303MGDQA from Renesas is a MOSFET with Continous Drain Current 3.7 A, Drain Source Resistance 42 to 70 milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -20 to 20 V, Gate Charge 8.9 nC. Tags: Surface Mount. More details for RQK0303MGDQA can be seen below.