• A failure to function, or a sudden change resulting in a failure to function.
  • A disruptive electrical discharge through an insulator, dielectric, or other material separating circuits. Also called puncture (1).
  • A disruptive electrical discharge between the electrodes of an electron tube.
  • A substantial and abrupt increase in electric current produced by a small increase in voltage. Also called electric breakdown (1).
  • In a semiconductor exposed to an electric field, the cumulative multiplication of free charge carriers. Also called avalanche breakdown.

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