470 nH shielded inductor with 2.4 A current rating
The Murata DFE18SANR47ME0L is a shielded inductor in the DFE18SAN series, offering 470 nH inductance with ±20% tolerance. Rated for 2.4 A continuous current, it handles the ripple current in a buck converter's output filter without saturating the core. The saturation current is 3.1 A, giving a 29 % headroom above the continuous rating — a margin that matters when the load steps or the input voltage dips and the inductor sees transient peaks. Maximum DC resistance is 64 mOhm — at 2.4 A the I²R loss is 0.37 W, which the 0603 body must dissipate without exceeding the 85 °C ambient ceiling. The metal core construction helps keep core losses low at switching frequencies typical of point-of-load regulators.
0603 footprint and surface-mount integration
The compact footprint suits dense PCB layouts where space is at a premium, such as in mobile devices or module-level power supplies. Supplied in tape-and-reel packaging, the part is compatible with standard pick-and-place assembly. The shielded construction reduces magnetic coupling to adjacent traces and components, a consideration when the inductor sits near sensitive analog or RF circuitry.