The CS3316M3R9T from Cal-Chip Electronics is a Power Inductor with Inductance 3.9 µH, Inductance Tolerance ±20 %, DCR 8.50 Ohm, Saturation Current 0.030 A, Temperature Operating Range -40 to 85 Degree C. Tags: Surface Mount. More details for CS3316M3R9T can be seen below.