| 简介 |
To provide a dielectric composition high in voltage resistance under high temperature environment at 250°C and having high high temperature load life.SOLUTION : There is provided a dielectric composition having a main component and a first accessory component. The main component contains oxide represented by a chemical formula BaRZrNbO. R is a rare earth element. α is 2.05 to 2.50. A first accessory component contains oxide of V and oxide of Ca as essential components, and further oxide of Si and/or oxide of Ge. 0.50≤C≤5.00, 3.50≤C≤9.00, and 7.50≤C+C≤20.00, in which content of V oxide is C, content of Ca oxide is C, content of Si oxide is C, and content of Ge oxide is C.SELECTED DRAWING : Figure 1 |
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