A dielectric ceramic, and capacitor with the ceramic, wherein the ceramic has: about 94 99.9 wt % a first component defined by Formula 1; [(Ca.sub.1-xSr.sub.x)O].sub.m(Zr.sub.1-yTi.sub.y)O.sub.2Formula 1 wherein: x is no more than about 0.6; and y is no more than about 0.1; and m is at least about 0.85 to no more than about 1.15; and about 0.1 5 wt % a secondary component defined by Formula 2; aSiO.sub.2-b[.alpha.B.sub.2O.sub.3-(1-.alpha.)Li.sub.2O]-cAOFormula 2 wherein: a, b and c are selected to lie within the region defined by points A(a=15, b=0, c=85), B(a=70, b=0, c=30), C(a=0, b=70, c=30) and D(a=0, b=15, c=85) of a ternary diagram wherein a is mole percent SiO2; b is mole percent .alpha.B.sub.2O.sub.3-(1-.alpha.)Li.sub.2O; and c is mole percent AO and a+b+c=100 including the lines BC, CD and AD but excluding the line AB; .alpha. is 0 to 1; A is selected from Mg, Ca, Sr, Ba or a combination thereof; and 0 2 wt % MnO.sub.2.