Dielectric ceramic composition and multilayer ceramic capacitor including the same

A multilayer ceramic capacitor, comprising:

• a ceramic body in which dielectric layers and first and second internal electrodes are alternately stacked;
• and
• first and second external electrodes formed on both end portions of the ceramic body and electrically connected to the first and second internal electrodes,
• wherein the dielectric layers include a dielectric ceramic composition including a base powder represented by xSrTiO3-(1−x)BiMO3 (M includes Mg and Ti) containing a first main component represented by SrTiO3 and a second main component represented by BiMO3, and x satisfies 0.5≦x≦0.9.

A multilayer ceramic capacitor, comprising:

• a ceramic body in which dielectric layers and first and second internal electrodes are alternately stacked;
• and
• first and second external electrodes formed on both end portions of the ceramic body and electrically connected to the first and second internal electrodes,
• wherein the dielectric layers include a dielectric ceramic composition having a permittivity of 1000 or more at room temperature and satisfying a rate of change in dielectric constant (∈r) of 10% or less when a DC electric field is changed from 0V to 5V/μm, and
• the dielectric ceramic composition includes a base powder represented by xSrTiO3-(1−x)BiMO3 (M includes Mg and Ti) containing a first main component represented by SrTiO3 and a second main component represented by BiMO3 and x satisfies 0.5≦x≦0.9.