Power inductor for DC-DC filtering in tight spaces
The LBCNF2012KKTR47MAD is a 470 nH multilayer inductor built on a metal-core construction, rated for 3.8 A continuous with a saturation current of 3.8 A. Operating across -40°C to +150°C, the part handles under-hood automotive and industrial enclosure temperatures without derating. The unshielded design means adjacent traces should be spaced to avoid coupling — typical for multilayer inductors in this class.
What the ratings mean for your BOM
470 nH at 1 MHz test frequency, ±20% tolerance — at 3.8 A the inductance typically drops to the saturation threshold, so for a 3 A rail the margin is comfortable, but for a 4 A rail a higher Isat part is needed. 3.8 A current rating and 41 mOhm DCR mean the I²R loss at full load is about 0.6 W — within the 0805 package's thermal budget for a 4-layer board with a ground plane underneath.