The #B966AS-3R9N=P3 from Murata is a Power Inductor with Inductance 3.9 µH, Inductance Tolerance ±30%, DCR 17 milli-ohm, Saturation Current 7100 mA, Temperature Operating Range -40 to 85 Degree C. Tags: Surface Mount. More details for #B966AS-3R9N=P3 can be seen below.