Power rail filtering in tight 0805 footprint
The Murata DFE201210S-2R2M=P2 is a 2.2 µH shielded wirewound inductor in an 0805 (2012 Metric) package — a common footprint for DC-DC converter output filters and power rail decoupling on space-constrained boards. Rated for 1.5 A continuous current with a 155 mOhm max DCR, the conduction loss at full load is about 350 mW — the 0805 body relies on the PCB copper pour for heat sinking, so keep the adjacent ground plane uninterrupted. Saturation current is 2.1 A, meaning the inductance holds within ±20% up to that peak — useful for transient load steps where the current spike exceeds the DC rating briefly.
Shielded metal-core construction for noise-sensitive circuits
Shielded construction with a metal core keeps the magnetic flux contained — this inductor suits RF and analog sections where stray coupling from an unshielded drum core would inject ripple into sensitive nodes.
Obsolete — sourcing through independent channels
Available through independent surplus and broker channels.