摘要 |
A dielectric ceramic composition comprising (1) 100 parts by weight of a main component represented by compositional formula: äBaOüm.TiO2+ alpha Re2O3+ beta MnO wherein Re2O3 is at least one of Eu2O3, Gd2O3, Tb2O3, Dy2O3, Ho2O3, Er2O3, Tm2O3, and Yb2O3; 0.0005≤ alpha ≤0.027; 0.002≤ beta ≤0.054; beta / alpha ≤5; and 1.000<m≤1.035, and, as a secondary component, (2) 0.2 to 3.0 parts by weight of an Li2O-(Si,Ti)O2-M<2>-based oxide component (wherein M<2> is at least one of Al2O3 and ZrO2) and a monolithic ceramic capacitor using the composition are disclosed. The monolithic ceramic capacitor has a dielectric constant of 3000 or higher and a CR product of 6000 M OMEGA . mu F or more at room temperature or 2000 M OMEGA . mu F or more at 125 DEG C, excellent weathering performance in loading in high temperature or high humidity, and excellent dielectric strength and satisfies the B characteristics specified by JIS (Japanese Industrial Standards) and the X7R characteristics specified by EIA.
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