The PFL1005-391MRW from Coilcraft is a Power Inductor with Inductance 0.39 µH, Inductance Tolerance ±20%, DCR 450 to 510 milli-ohm, Saturation Current 380 to 550 mA, SRF 770 MHz. Tags: Surface Mount. More details for PFL1005-391MRW can be seen below.