The B1047AS-180M=P3 from Murata is a Power Inductor with Inductance 18 µH, Inductance Tolerance ±20%, DCR 110 milli-ohm, Saturation Current 2200 mA, Temperature Operating Range -40 to 85 Degree C. Tags: Surface Mount. More details for B1047AS-180M=P3 can be seen below.