The 1229AS-H-120M=P3 from Murata is a Power Inductor with Inductance 12 µH, Inductance Tolerance ±20%, DCR 336 milli-ohm, Saturation Current 650 mA, Temperature Operating Range -40 to 85 Degree C. Tags: Surface Mount. More details for 1229AS-H-120M=P3 can be seen below.