Fitilolin mota gabaɗaya sun ƙunshi sassa uku: kwan fitila, madubi da madaidaicin madubi ( madubin astigmatism).
1. kwan fitila
Fitilolin da ake amfani da su a cikin fitilun mota sune fitulun fitulu, halogen tungsten bulbs, sabbin fitilun baka masu haske da sauransu.
(1) Kwan fitila mai ƙyalƙyali: filament ɗin sa an yi shi da waya tungsten (tungsten yana da babban narkewa da haske mai ƙarfi). A lokacin masana'anta, don ƙara yawan rayuwar sabis na kwan fitila, kwan fitila yana cike da iskar gas mara amfani (nitrogen da cakuda iskar gas). Wannan na iya rage evaporation na tungsten waya, ƙara yawan zafin jiki na filament, da kuma inganta haske yadda ya dace. Hasken kwan fitila mai haske yana da tinge mai launin rawaya.
(2) Tungsten halide fitila: Tungsten halide haske kwan fitila an saka shi a cikin inert iskar gas a cikin wani nau'i na halide (kamar aidin, chlorine, fluorine, bromine, da dai sauransu), ta amfani da ka'idar tungsten halide recycling dauki, wato, da Gaseous tungsten evaporating daga filament yana amsawa tare da halogen don samar da tungsten halide maras tabbas, wanda ke bazuwa zuwa yanayin zafin jiki kusa da filament, kuma zafi ya lalace, don haka tungsten ya koma cikin filament. Halogen da aka saki yana ci gaba da yaduwa da shiga cikin yanayin sake zagayowar na gaba, don haka sake zagayowar ya ci gaba, ta yadda zai hana fitar da tungsten da baƙar kwan fitila. Tungsten halogen kwan fitila girman girman ɗan ƙarami ne, kwandon kwan fitila an yi shi da gilashin ma'adini tare da juriya mai ƙarfi da ƙarfin injina, ƙarƙashin ikon iri ɗaya, hasken fitilar halogen tungsten shine sau 1.5 fiye da fitilar incandescent, kuma rayuwa shine 2 zuwa Sau 3 ya fi tsayi.
(3) Sabuwar fitilar baka mai haske: Wannan fitilar ba ta da filament na gargajiya a cikin kwan fitila. Maimakon haka, ana sanya na'urori biyu a cikin bututun quartz. An cika bututun da xenon da ƙarfe (ko ƙarfe halides), kuma idan akwai isassun wutar lantarki akan lantarki (5000 ~ 12000V), iskar gas ta fara yin ionize kuma tana gudanar da wutar lantarki. Atom ɗin gas ɗin suna cikin yanayi mai daɗi kuma suna fara fitar da haske saboda canjin matakin makamashi na electrons. Bayan 0.1s, ƙaramin adadin mercury tururi yana fitowa a tsakanin na'urorin lantarki, kuma ana tura wutar lantarki nan da nan zuwa ma'aunin mercury vapor arc, sannan a tura shi zuwa fitilar arc halide bayan yanayin zafi ya tashi. Bayan hasken ya kai ga yanayin aiki na yau da kullun na kwan fitila, ikon kiyaye fitar da baka yana da ƙasa sosai (kimanin 35w), don haka ana iya ceton kashi 40% na ƙarfin lantarki.
