| abstract |
The multilayer ceramic capacitor of the present invention is a main component comprising barium titanate, a first subcomponent comprising at least one selected from the group of MgO, CaO, BaO, and Sr, a second subcomponent containing silicon oxide as a main component, and V 2 O. 5 , consisting of an oxide of at least one first rare earth element (R1) selected from the group of at least one third subcomponent selected from the group of MoO 3 and WO 3 , Sc, Er, Tm, Yb and Lu of the fourth subcomponent and CaZrO 3, or CaO and ZrO 2 mixture (CaO + ZrO 2) in the first having a fifth auxiliary component, it is Zr diffuses in crystal grains forming the dielectric layer, a crystal having an average particle size of the particles made of, Zr of Since the depth of the diffusion layer is configured to be 10 to 35% of the depth of the crystal grains, the capacity temperature characteristic, which is a change in capacity over time, is determined by the X8R characteristics (-55 to 150 ° C, ΔC / C = EIA). Within ± 15%) , Small and the resistance change ratio in an acceleration test (the average life is long), the reliability is excellent.n n n n Ceramic, Capacitor, Dielectric, Rare Earth, Crystal Particle |