Patent ID: 6844284

Claim:
A dielectric porcelain composition comprising Ba, Nd, Pr, Bi, Ti and at least one of Na and K and satisfying a condition that when the composition is expressed by composition formula: BaO—aNdO 3/2 —bPrO 11/6 —cBiO 3/2 —dTiO 2 —eAO 1/2 , wherein A is at least one of Na and X, and a, b, c, d and e represent a molar ratio, a, b, c, d and e are in respective ranges of 1.5≦a≦2.6, 0.02≦b≦1.00, 0.2≦c≦0.6, 4.5≦d≦5.5 and 0.02≦e≦0.30.