O masini e fau ai capacitor o ni fa'afouga fa'afouga i le gaosiga fa'aeletonika.O lenei masini e tuʻufaʻatasia tekinolosi faʻapitoa e pei o le LED / light-emitting diode, transistor, alumini electrolytic capacitor, metal film capacitor, inductor, diode, resistor, ma isi, ma le le mafaatusalia le lelei ma le saʻo i le tipiina ma le faia o pine taʻitaʻia o lapopoa eseese ma foliga.
Mai le tusi lesona i le fa'aogaina otometi, o lenei masini fa'apitoa e fetaui ma mana'oga eseese o tagata gaosi oloa i le lalolagi atoa.