The 1239AS-H-1R0M=P2 from Murata is a Power Inductor with Inductance 1 µH, Inductance Tolerance ±20%, DCR 59 milli-ohm, Saturation Current 3000 mA, Temperature Operating Range -40 to 85 Degree C. Tags: Surface Mount. More details for 1239AS-H-1R0M=P2 can be seen below.