| abstract |
Disclosed is a dielectric ceramic composition suitable for manufacturing an electronic component such as a capacitor having a high relative dielectric constant, excellent insulation resistance, and sufficient reliability. The general formula (Ba 1−α M α ) A (Ti 1−β Mn β ) B 3 O 3 has a crystal structure of hexagonal crystal, and the effective ionic radius at the time of 12 coordination of M is , Within the range of ± 20% of the effective ionic radius of Ba 2+ at the time of 12 coordination, and A, B, α and β are 0.900 ≦ (A / B) ≦ 1.040, 0.003 ≦ α ≦ 0.05, 0.03 ≦ β ≦ 0.2 satisfying the relationship of hexagonal barium titanate as a main component, and an alkaline earth oxide such as MgO as a subcomponent with respect to 100 mol of the main component; A dielectric ceramic composition comprising a specific amount of Mn 3 O 4 and / or Cr 2 O 3 , CuO, Al 2 O 3 , a rare earth element oxide, and a glass component containing SiO 2 . [Selection figure] None |