Zinc Oxide Surge Arresters ndiye chotchinga chapamwamba kwambiri padziko lonse lapansi choletsa kugunda kwamagetsi. Popeza ZOSA resistors amapangidwa ndi zinc oxide mafilimu. Zinc Oxide SurgeWomangas ali ndi makhalidwe abwino a voltage-ampere poyerekeza ndi zomangira za SiC, ndi over-voltage ndi kutuluka kwaposachedwa kukuchulukirachulukira kwambiri ndipo kumapangitsa kusintha kofunikira kwa makhalidwe a ZOSA.The microns ampere degree panopa ikuyenda pokhapokha ZOSA ikugwira ntchito pansi pa magetsi okhazikika, koma kuchuluka kwa magetsi kudzakhala zikwi za am-peres pamene ZOSA imapirira kupitirira-voltage, chifukwa cha ZOSA yabwino! osakhala mzere. Pa nthawi imeneyo ndi nkhani yodutsa boma mpumulo pa-voltage mphamvu, kuti kuchepetsa bwino kuwonongeka kwa zipangizo za kufalitsa ndi kusintha.