The 1255AY-100M=P3 from Murata is a Power Inductor with Inductance 10 µH, Inductance Tolerance ±20%, DCR 56.4 milli-ohm, Saturation Current 3100 mA, Temperature Operating Range -40 to 85 Degree C. Tags: Surface Mount. More details for 1255AY-100M=P3 can be seen below.