The 1255AY-4R7M=P3 from Murata is a Power Inductor with Inductance 4.7 µH, Inductance Tolerance ±20%, DCR 27.6 milli-ohm, Saturation Current 4500 mA, Temperature Operating Range -40 to 85 Degree C. Tags: Surface Mount. More details for 1255AY-4R7M=P3 can be seen below.