What is the failure mode of a varistor?
- Voltage / Current / Temperature Protection Devices >
- Voltage Protection Devices >
- Chip Varistors / Ceramic Transient Voltage Suppressors
A. The varistor short circuits when an overpotential caused by ESD or lightning surges is applied to it. When using a varistors this way, be careful to select one with good durability against repeated surges.