The FCUL1040-H-R42M=P3 from Murata is a Power Inductor with Inductance 0.42 µH, Inductance Tolerance ±20%, DCR 1.0914 milli-ohm, Saturation Current 34000 mA, Temperature Operating Range -40 to 125 Degree C. Tags: Surface Mount. More details for FCUL1040-H-R42M=P3 can be seen below.