Choletsa Kuwonjezeka kwa Zinc Oxides ndi njira yodziwika bwino kwambiri yopewera kupitirira muyeso wa magetsi padziko lonse lapansi. Popeza ma resistors a ZOSA amapangidwa ndi mafilimu a zinc oxide.Choletsa Kuwonjezeka kwa Zinc Oxides ili ndi makhalidwe abwino a voltage-ampere poyerekeza ndi zomangira za SiC, kuchuluka kwa magetsi ake ndi kayendedwe kake ka magetsi kwawonjezeka kwambiri ndipo kwachititsa kusintha kwakukulu kwa makhalidwe a ZOSA. Mphamvu yamagetsi ya microns ampere imayenda pokhapokha ZOSA ikugwira ntchito pansi pa voltage yachibadwa, koma kuchuluka kwa mphamvu yamagetsi kumakhala masauzande ampere pamene ZOSA ikupirira over-voltage, chifukwa ZOSA ili ndi makhalidwe abwino! osakhala a linear. Panthawiyo imakhala ngati mphamvu yamagetsi ya over-voltage yatha, kotero izi zimachepetsa kuwonongeka kwa zida zotumizira ndi kusintha.