Explore: Varistors

well below its "clamping voltage", thus varistors are typically used for suppressing line voltage surges. Varistors can fail for either of two reasons. A

Littelfuse Varistor Design Examples" (PDF). Littelfuse, Incorporated. Retrieved 2011-03-29. See pp. 7–8, "Parallel Operation of Varistors". "Terms R"

conductor and ground, or voltage-activated solid-state switches called varistors or MOVs. Lightning arresters used in power substations are large devices

the words "transconductance" or "transfer", and "varistor". The device logically belongs in the varistor family, and has the transconductance or transfer

over-voltages faster than other common over-voltage protection components such as varistors or gas discharge tubes. The actual clamping occurs in roughly one picosecond

insulator metal diodes), nor non-linear voltage dependent resistors (i.e. varistors) are currently used with the latter not yet economical, compared to TFT

surge protector thermal fuses may be wired in series with the varistors; when the varistors conduct, the fuse heats up and disconnects the power, which

transistor die and the heatsink. See also Thermal Design Power. Metal oxide varistors typically develop lower resistance as they heat up. If connected directly

as a discolored dielectric or as a locally melted anode. Metal oxide varistors typically have lower resistance as they heat up; if connected directly

transients. In many applications this function is now served by metal oxide varistors (MOVs), particularly for trapping voltage transients on the power mains