... 3.Get UL,CQC,VDE,Rohs 4.Fast delivery. Varistor ChipZinc Oxide Varistor Disc is the semi-finished products that be composed ... be used to produce all kinds of varistor. The Varistor that be made of Zinc Oxide Varistor Disc is designed to protect various ... surges, provides widely voltage and withstanding surge current rating, the varistor’s feature are fast response to rapidly rising surge voltage ...