The B1047AS-331M=P3 from Murata is a Power Inductor with Inductance 330 µH, Inductance Tolerance ±20%, DCR 1400 milli-ohm, Saturation Current 510 mA, Temperature Operating Range -40 to 85 Degree C. Tags: Surface Mount. More details for B1047AS-331M=P3 can be seen below.