| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a nonlinear resistor where a varistor voltage VlmA can be reduced, the size can be enlarged by increasing the thickness, breakdown discharging current rated characteristic is superior. SOLUTION: In a nonlinear resistor, whose main component is zinc oxide, bismuth and titanium are contained as sub-component, at least either one of lead or tellurium is contained, and a varistor voltage VlmA is set to 15-160 V/mm. Contents of bismuth and titanium are set to 0.1-5.0 mol%, respectively, if these are converted into bismuth oxide (Bi2O3) and titanium oxide (TiO2). Contents of lead and tellurium when these are contained as sub-component are set 0.001-3.0 mol%, respectively, when these are converted into PbO and TeO2. It is preferable that at least one kind of component selected from a group composed of cobalt, manganese, nickel and aluminum is contained as a sub-component, and at least either component of silver or boron is contained.</p> |
