Dielectrics na fim ɗin filastik waɗanda aka fi amfani da su a cikin ginin ƙarfin fim ɗin ƙarfe sun haɗa da polypropylene (PP), polyphenylene sulfide (PPS), polyester, da takarda mai ƙarfe (MP).Wadannan kayan aikin dielectric suna da damar warkar da kansu daban-daban.

Lokacin da lalacewa ta faru a cikin capacitor na fim ɗin da aka yi ƙarfe, arcing yana haifar da bakin ciki na karfen da ke kewaye da wurin kuskure ya yi tururi.Wannan tsari na vaporization yana cire murfin ƙarfe mai ɗaukar nauyi a cikin yankin da ke kusa da aibi.Tun da an cire kayan aiki, ɗan gajeren kewayawa ba zai iya faruwa tsakanin faranti ba.Wannan yana hana gazawar bangaren.

Ƙarfin warkar da kai na capacitor na fim mai ƙarfe ya dogara da abubuwa da yawa ciki har da kaddarorin dielectric abu da kauri na karfe Layer.Tsarin vaporization yana buƙatar isassun isashshen iskar oxygen da kayan dielectric tare da babban abun ciki na iskar oxygen suna da kyawawan kaddarorin warkar da kai.Wasu daga cikin dielectrics na fim ɗin filastik waɗanda ke da halayen warkarwa masu kyau sun haɗa da polypropylene, polyester da polycarbonate.A daya hannun, filastik fim dielectrics tare da low surface oxygen abun ciki da matalauta warkar da halaye.Polyphenylene sulfide (PPS) shine nau'in nau'in dielectric.

Baya ga inganta aminci, da kai-warkar da ikon metallized film capacitors taimaka wajen inganta su aiki rayuwarsu.Koyaya, warkar da kai yana haifar da raguwar yankin lantarki da aka yi da ƙarfe akan lokaci.

A aikace-aikace, wasu daga cikin sharuɗɗan da za su iya hanzarta gazawar wani ɓangaren sun haɗa da yanayin zafi mai girma, ƙarfin ƙarfin wuta, walƙiya, babban zafi, da tsangwama na lantarki (EMI).

Baya ga kyawawan kaddarorin warkarwa da kai, masu ƙarfin fim ɗin polyester da aka yi da ƙarfe kuma suna da babban dielectric akai-akai, kwanciyar hankali mai kyau na zafin jiki, ƙarfin dielectric mai ƙarfi, da ingantaccen inganci na volumetric.Waɗannan halayen sun sa waɗannan capacitors su dace don aikace-aikacen manufa ta gaba ɗaya.Ana amfani da capacitors na polyester da aka yi da ƙarfe don aikace-aikacen DC kamar toshewa, kewayawa, yankewa, da hana surutu.

Ƙarfe na polypropylene capacitors suna ba da juriya mai girma, ƙananan ƙarancin dielectric, ƙananan asarar dielectric, ƙarfin dielectric, da kwanciyar hankali na dogon lokaci.Ana amfani da waɗannan abubuwan da suka dace da sararin samaniya a cikin aikace-aikacen da aka haɗa da mains kamar na'urorin tacewa, ballasts masu haske, da da'irar snubber.Biyu metallized polypropylene film capacitors iya jure high ƙarfin lantarki da kuma high-pulse lodi, kuma sun dace da aikace-aikace tare da babban yiwuwar m bugun jini.Ana amfani da waɗannan capacitors akai-akai a cikin masu kula da motoci, snubbers, kayan wuta na yanayin sauyawa, da masu saka idanu.