Ii-cores ze-transformer ezisetyenziswa ngokuqhelekileyo zenziwe ngamashiti ensimbi ye-silicon. I-silicon yensimbi luhlobo lwentsimbi eyenziwe nge-silicon (i-silicon ikwabizwa ngokuba yi-silicon), kwaye umxholo wayo we-silicon yi-0.8 ukuya kwi-4.8%. Undoqo wesinyithi we-transformer yenziwe ngentsimbi ye-silicon kuba intsimbi ye-silicon ngokwayo iyimathiriyeli yamagnetic enokungena ngamandla kozibuthe.