Varistors
Metal-oxide varistors (MOVs) clamp voltage surges by conducting heavily above a threshold.
Easy
Placed across mains inputs to absorb lightning and switching spikes; they degrade with repeated surges.
Spotted a mistake or want to add detail? Suggest an improvement — Content Contributors' edits are reviewed by editors before they go live.
Discussion (0)
Sign in or join free to ask questions and discuss this topic.