Review:

Varistors

overall review score: 4.5
score is between 0 and 5
Varistors are electronic components used to protect circuits from excessive voltage spikes by limiting the voltage and dissipating the excess energy as heat.

Key Features

  • Overvoltage protection
  • Fast response time
  • Low leakage current
  • High surge current capability
  • Wide operating temperature range

Pros

  • Effective in protecting electronic circuits from voltage spikes
  • Relatively inexpensive compared to other protective devices
  • Versatile and can be used in a variety of applications

Cons

  • Varistors may degrade over time with repeated exposure to surges
  • Limited lifespan compared to other protective devices

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Last updated: Wed, Apr 1, 2026, 03:53:59 PM UTC