POWDER CORE, ELECTRIC/ELECTRONIC COMPONENT, AND ELECTRIC/ELECTRONIC DEVICE

摘要

In order to provide a powder core with excellent heat resistance, an electric/electronic component equipped with this powder core, and an electric/electronic device in which this electric/electronic component is installed, this powder core (1) is equipped with a soft magnetic powder (M) and an insulating resin-based material (R), with the resin providing the resin-based material (R) containing an acrylic resin. In the powder core (1) there is an interstitial region (G) in which the resin-based material (R) fills at least a portion of the gap created between two adjacent soft magnetic powders (M1, M2), with the separation distance between the two soft magnetic powders (M1, M2) being 30 nm or less, and in the interstitial region (G) in which the separation distance is 30 nm or less, voids (C) are formed where there is incomplete filling of the resin-based material (R).