Dielectric ceramic composition and multilayer ceramic capacitor used the same

A dielectric ceramic composition comprising barium titanate, as a main component and comprising magnesium oxide, dysprosium oxide, barium oxide, calcium oxide, vanadium oxide, tantalum oxide, silicon oxide and manganese oxide as subcomponents,

• wherein magnesium oxide converted into MgO is 1 to 3 mol, dysprosium oxide converted into Dy2O3 is 1 to 5 mol, total of barium oxide and calcium oxide converted into BaO and CaO, respectively, is 0.1 to 5 mol, vanadium oxide converted into V2O5 is 0.01 to 0.1 mol, tantalum oxide converted into Ta2O5 is 0.01 to mol, silicon oxide converted into SiO2 is 1 to 5 mol, and manganese oxide converted into MnO is 0.1 to 1 mol, when barium titanate converted into BaTiO3 is 100 mol.

A dielectric ceramic composition comprising barium titanate, as a main component and comprising magnesium oxide, dysprosium oxide, barium oxide, calcium oxide, vanadium oxide. tungsten oxide, silicon oxide and manganese oxide as subcomponents,

• wherein magnesium oxide converted into MgO is 1 to 3 mol, dysprosium oxide converted into Dy2O3 is 1 to 5 mol, total of barium oxide and calcium oxide converted into BaO and CaO, respectively, is 0.1 to 5 mol, vanadium oxide converted into V2O5 is 0.01 to 0.1 mol, tungsten oxide converted into WO3 is 0.01 to 1 mol, silicon oxide converted into SiO2 is 1 to 5 mol, and manganese oxide converted into MnO is 0.1 to 1 mol, when barium titanate converted into BaTiO3 is 100 mol.

A dielectric ceramic composition comprising barium titanate, as a main component and comprising magnesium oxide, dysprosium oxide, barium oxide, calcium oxide, vanadium oxide, silicon oxide, manganese oxide, and at least one of tantalum oxide and tungsten oxide as subcomponents,

• wherein silicon oxide converted into SiO2 is 1 to 5 mol, manganese oxide converted into MnO is 0.1 to 1 mol, and at least one of tantalum oxide and tungsten oxide converted into Ta2O5 and WO3, respectively, is 0.01 mol or more and 1 mol or less, when barium titanate converted into BaTiO3 is 100 mol.

A dielectric ceramic composition comprising barium titanate as a main component, and comprising magnesium oxide, dysprosium oxide, barium oxide, calcium oxide, vanadium oxide, silicon oxide, manganese oxide, and at least one of tantalum oxide, tungsten oxide, and molybdenite oxide, as subcomponents,

• wherein magnesium oxide converted into MgO is 1 to 3 mol, dysprosium oxide converted into Dy2O3 is 1 to 5 mol, total of barium oxide and calcium oxide converted into BaO and CaO, respectively, is 0.1 to 5 mol, vanadium oxide converted into V2O5 is 0.01 to 0.1 mol, silicon oxide converted into SiO2 is 1 to 5 mol, manganese oxide converted into MnO is 0.1 to 1 mol, and total of tantalum oxide, tungsten oxide, and melybdenite oxide converted into Ta2O5, WO3, and MoO3, respectively, is 0.01 mol or more and 1 mol or less, when barium titanate converted into BaTiO3 is 100 mol.