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What conditions cause breakdown?

Breakdown is the phenomenon that a dielectric in the insulation layer is destroyed and results in short.

Following 3 cases are considered for the situation of breakdown.

(1) A product is used under the condition where the voltage, temperature etc. are out of guaranteed range.
(2) The crack is generated in a product by the mechanical stress.
(3) The performance of a product degrades since it is used for a long time.

Please use our products under the condition within the guaranteed range according to precautions on the use to prevent such situations.