varistor

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varistor

(vəˈrɪstə)

(Electronics) a two-electrode semiconductor device having a voltage-dependent nonlinear resistance. Compare varactor

[C20: a blend of variable resistor]

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varactor

References in periodicals archive ?

Bourns' existing circuit protection portfolio includes gas discharge tubes, metal oxide varistors, thyristor surge protectors, transient voltage suppressor diodes and arrays, Power TVS diodes, Polymer PTC resettable fuses, TBU High-Speed Protectors, mini-breaker thermal cutoff devices, and ESD suppressors.

Bourns Acquires Circuit Protection Component Company, Keko-Varicon d.o.o. A1/2uA3/4emberk

7, the frame is made in the form of a <<squirrel cage>> consisting of thin fiberglass rods located around the varistor and firmly fixed by molding in aluminum electrodes.

INVESTIGATION OF EXPLOSION SAFETY OF DC POLYMER SURGE ARRESTERS 3.3 KV FOR TRACTION NETWORK OF RAILWAY TRANSPORT

On the other hand, ZnO in powder form and with nanometric dimensions presents a great potential for its application in solar cells [4], photocatalysts [5], varistors [6], and gas sensors [7], among others.

Synthesis of ZnO Nanopowders by the Homogeneous Precipitation Method: Use of Taguchi's Method for Analyzing the Effect of Different Variables

siendo K = constante del material y V voltaje en las terminales del varistor [4].

Estudio experimental de varistores conectados en paralelo para uso en redes de baja tension hasta 230V

The quality of the protection offered by the varistor is given by the non-linearity coefficient ([alpha]) defined by the relation I = c.[V.sup.[alpha]], where I is the current, V is the voltage and c is a proportionality constant.

Effect of [Pr.sub.6][O.sub.11] doping in electrical and microstructural properties of Sn[O.sub.2]-based varistors/Efeito da dopagem com [Pr.sub.6][O.sub.11] nas propriedades eletricas e microestruturais de varistores a base de Sn[O.sub.2]

The performance of the tripler designed in this work is comparable with the ones also designed with varistors, but apparently inferior to the tripler designed by varactor, considering the output frequency of the varactor tripler is about three times that of the varistor triplers.

A new scheme for the design of balanced frequency tripler with Schottky diodes

All arrester plugs are pluggable and have a thermal disconnect device to allow continuous monitoring of the varistor's health.

Phoenix Contact

The varistor can also begin to fail acting more as a resistor and the device will then begin to overheat, causing it to fail.

Everything you wanted to know about airfield lighting protection but were afraid to ask! John Chapman, product manager for ADB airfield solution control and power solutions, explains how to protect your lighting system against the forces of nature

Microstructural evaluation of rare-earth-zinc oxide-based varistor ceramics.

An image analysis application to microstructural characterization of varistor ceramics/Uma aplicacao da analise de imagens na caracterizacao microestrutural de ceramicas varistoras

The two most popular devices are the metal oxide varistor (MOV) and the silicon avalanche device (SAD).

Connectors are a major EMI weakness

MLV (multi-layer varistor)--These devices provide protection from low to medium energy transients (0.05 to 2.5 Joules) in sensitive equipment operating at 0-120 VDC.

Protecting your portable products: portable, hand-held medical devices are improving patient care, both at home and in medical facilities. However, reliability and safety demand proper use of electronic circuit protective devices. This article reviews a number of available options to ensure protection of portable electronic medical devices and covers the factors in making the right selection

Varistor: Es un componente electronico cuya resistencia ohmica disminuye cuando el voltaje que se le aplica aumenta.