| 简介 |
Electronic part (1) including device main body (10) having dielectric layers (2) constituted of a dielectric ceramic composition and, provided outside the device main body (10), terminal electrode (4). The dielectric ceramic composition comprises a main ingredient containing barium titanate, a first accessory ingredient containing an oxide of at least one of Mg and Ca, a second accessory ingredient containing SiO2, a third accessory ingredient containing an oxide of at least one of Mn and Cr and a fourth accessory ingredient containing an oxide of rare earth element, wherein the valence of Mn and/or Cr of the third accessory ingredient is in the range of 2.2 to 2.4. This electronic part (1) can attain balanced enhancement of both of high-temperature accelerated life performance and capacity loaded aging performance.
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