Electrothermal capacitor e entsoe ka filimi e mahoashe ea polypropylene le mokelikeli o sebetsang hantle (ntle le PCB) joalo ka motsoako o kopaneng, o nang le foil ea aluminium e hloekileng joalo ka electrode, porcelain copper screw le phala e pholileng e le setsi sa ho tsoa, ​​poleiti ea alloy ea aluminium joalo ka khetla, le phaephe ea ho pholisa metsi e le kabo ea ka hare.Sebopeho ke boholo ba sebopeho sa lebokose la cuboid.