COMPRESSED POWDER CORE METHOD OF MANUFACTURING THE COMPRESSED POWDER CORE INDUCTOR COMPRISING THE COMPRESSED POWDER CORE AND ELECTRONIC-ELECTRIC DEVICE MOUNTED WITH THE INDUCTOR

摘要

Disclosed is a compacted core containing a powder of a crystalline magnetic material and a powder of an amorphous magnetic material, and provides a compacted core capable of improving direct current superimposition characteristics and reducing iron loss in an inductor having such compacted core . A compact powder core (1) comprising a powder of a crystalline magnetic material and a powder of an amorphous magnetic material, wherein a median diameter (D ₅₀ A) of the powder of the amorphous magnetic material is 15 μm or less, Wherein the median diameter (D ₅₀ C) of the powder satisfies the following formula (1). _{1 ≤ D 50 A / D 50} C ≤ 3.5 (1)