Isku xirka korantada-sare ee korantada, korantada sare ee dufanka silikoonka ayaa door muhiim ah ka ciyaara, dufanka korontada ku shaqeeya ayaa fikrad u ah dahaarka korantada, dufan silikoon dielectric waa doorasho hore oo loogu talagalay warshadaha korantada, celiya qoyaanka iyo daxalka ka hortagga. Waxay dammaanad qaadi kartaa in saliidda loo isticmaalo isku xirka kuwan aysan ku jabin xaaladaha ba'an. Haddii ay tahay warshadaha tamarta korantada ee sare ama warshadaha gawaarida tamarta cusub, dufanka dahaadhka ah ayaa loo isticmaalaa si aad u badan iyo si ballaaran , wuxuu u baahan yahay inuu buuxiyo shuruudaha cusub ee daboolka iyo la jaan qaada alaabta cusub sidoo kale.