| 摘要 |
PURPOSE:To provide a multilayer varistor in which the voltage nonlinear characteristics can be ensured stably by forming an energy barrier positively while enhancing the breakdown resistance against electrostatic discharge. CONSTITUTION:When a multilayer varistor 1 is produced by embedding at least a pair of inner electrodes 3 in a sintered semiconductor ceramic 1 while sandwiching a ceramic layer 2 exhibiting voltage nonlinear characteristics and presenting at least one crystal particle 7 touching both inner electrodes 3 in the ceramic layer 2 between the inner electrodes 3, the content of Bi in the sintered semiconductor ceramic 4 is set at 0.5wt.% or above when expressed in terms of Bi2O3. |
