breakdown voltage

uncountable

The minimum voltage that causes part of an insulator to become electrically conductive.

Japanese Meaning

絶縁体の一部が電気伝導性を持ち始める最小の電圧

The device failed when the applied voltage exceeded the breakdown voltage of the ceramic insulator.

その装置は、印加電圧がセラミック絶縁体の一部を導電状態にする最低電圧を超えたときに故障した。

Sense（1）

The minimum voltage that causes part of an insulator to become electrically conductive.