Tun daga 2014, na'urorin lantarki na mabukaci, ƙananan samfurori na tushen na'ura, kayan lantarki na motoci don manyan masu tsayayyar guntu sun haifar da karuwar bukata.Musamman, buƙatun lantarki na masana'antar kera motoci, smt sarrafa samfuran ya karu sosai, amma bayanan motar zuwa sabon abin hawa na makamashin lantarki ya haɓaka haɓaka, ya haifar da buƙatar sarrafa guntu na resistors.
Bugu da kari mabukaci lantarki amfani da su kasance a daban-daban kananan yankunan na aikace-aikace, ban da guntu resistors da babban inganci, high bukatar, bakin ciki, miniaturization ne da muhimmanci haskaka.2018 m guntu resistor size daidaici ga 01005. da aka saba amfani da guntu resistors, guntu inductor da guntu capacitors suna da wuya a bambanta a bayyanar.Don haka ta yaya za mu bi cikin rayuwarmu ta yau da kullun don gano abubuwan da aka saba amfani da guntu na SMT?
I. Bambance-bambancen guntu resistors da guntu capacitors
Dubi launi - duk capacitors guntu ba silkscreen ba ne, sama da tsarin matting yana juye da ƙananan zafin jiki, babu hanyar bugawa a waje.Launin sa galibi kore ne launin toka.
Dubi alamar - guntu capacitors a cikin alamar kewayawa don "C", alamar guntu resistor don "R".
Dubi allon siliki - akwai allon siliki yawanci resistor ne.
II.Chip capacitors da guntu inductor don ganowa
Dubi launi - kamar yadda aka saba, idan dai kewayen guntu tantalum capacitors baƙar fata ne, ban da kawai ba baki ba.Kuma guntu inductor baƙar fata ne kawai.
Dubi lambar lambar ƙirar ƙira - guntu inductor farawa da L, guntu capacitors don farawa da C. Daga farkon sifar yana zagaye don kammala cewa yakamata ya zama inductor.
Dubi shimfidar wuri na waje - don nemo abubuwa iri ɗaya na iya zama ko yanke buɗaɗɗen abubuwan don ganin shimfidar waje, tare da shimfidar murɗa don inductor guntu.
III.chip resistors da guntu inductor don ganowa
Dangane da siffar - siffar inductor yana da siffar polygonal, yayin da resistor yana da tushe mai tushe na rectangular.Musamman lokacin da zagaye, kamar yadda aka saba, an gane shi azaman inductor.
Yi la'akari da ƙimar juriya - ƙimar juriya na inductor yana da ƙananan ƙananan, ƙimar juriya na resistor yana da girma.
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Lokacin aikawa: Satumba-15-2023