Izixhumi ze-Surface Mount ezixhunyiwe ku-Wire kuya ezixhumi
Kunezinhlobo eziningi zezixhumi, ezingahlukaniswa izixhumi eziyindilinga, izixhumi ezixande, izixhumi zesikwele, izixhumi ezenziwe ngokwezifiso, njll ngokuya ngokubukeka kwazo. Ngokusho kwefomu lokuxhumeka lomzimba wokuxhumana: Ukulungiswa (cap) ukulungisa; Ngokwendlela yokuxhumeka, ingahlukaniswa nge-board to board izixhumi (B kuya b), ucingo kubaxhumi bebhodi (w to b), nocingo ezixhumi ze-wire (W to W). Umakhi we-Zhongke Isixhumi ulapha ukukhuluma nawe mayelana nezixhumi ze-PATCH e-Wire kuya ezixhumi.
Ubuchwepheshe be-Surface Mount busetshenziswe abanye abakhiqizi kusukela ngawo-1950s. Kodwa-ke, ukusetshenziswa kwezixhumi ze-patch kusanda kuqala futhi kancane kancane kuthathwa ngabakhiqizi. Lesi simo sivela ezinseleleni zobuchwepheshe ezibhekene nezixhumi zeSMT kanye nokwehluleka ukuqaphela ukuthi izixhumi zeNtaba Engaphezulu zingalindisa ngempumelelo indawo yeBhodi. Ngokutholwa ukuthi ubuchwepheshe be-SMT bungathuthukisa ukusebenza kahle kokukhiqiza futhi banciphise izindleko zabakhiqizi, kanye nokunciphisa indawo yebhodi futhi bathuthukise ukuguquguquka kwebhodi, izixhumi ze-SMT zisetshenziswe kabanzi.
Izixhumi zeNtaba Ephakeme zihlukaniswe izixhumi zeNtaba ezivundlile (SMT) kanye nezixhumi zeNtaba ezimile (DIP). I-SMT ngokuvamile ifaka phakathi izingxenye zentaba engaphezulu ngaphandle kwezikhonkwane noma ukuhola okufushane. Okokuqala, ukunamathisela okukodwa kunyatheliswa ebhodini lesekethe, bese kufakwa kusetshenziswa umshini weNtaba indawo, futhi ekugcineni kulungiswe ngokukhonjiswa. I-DIP Soldering isho amadivaysi afakwe kwifomu lokufaka ngokuqondile, elilungiselelwe yi-Wave Soldering noma ukuthengisa okwenziwa ngesandla.
Izixhumi zeNtaba Engaphezulu Ingamelana namazinga okushisa angenhla kwe-260 ° C imizuzwana engu-3-5. Ukwakheka kwezixhumi ze-patch: izingxenye zepulasitiki nezikhonkwane. Izinto zezingxenye zepulasitiki ngokuvamile i-PA6T ne-PA9T, zombili zazo eziyizinto zokungamelana ngaphansi kwezinga lokushisa. Izixhumi zeNtaba Engaphezulu zivame ukusetshenziswa emikhakheni ehlukahlukene efana namakhamera amakhulu, abalandeli be-3D DC, isimo se-Smart DC, isimo se-LCD esiphakeme, i-laptops, njll I-coating ngokuvamile i-Gold (Half Gold) noma i-Tin Plated. Ukuhlanganiswa kwe-PIN PIN kusebenza ukumelana ne-oxidation, kuthuthukiswe ukuhambisa, futhi kwandise ijubane lokudlulisela isiginali.
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