QFN ndi DFN, mitundu iwiriyi ya semiconductor component component, nthawi zambiri imasokonezeka mosavuta pakugwira ntchito.Nthawi zambiri sizidziwika kuti QFN ndi iti komanso DFN.Chifukwa chake, tiyenera kumvetsetsa kuti QFN ndi chiyani komanso kuti DFN ndi chiyani.
QFN ndi mtundu wa ma CD.Ndi dzina lofotokozedwa ndi Japan Electronics and Machinery Industries Association, lomwe liri ndi chilembo choyamba cha mawu atatu aliwonse achingerezi ali ndi zilembo zazikulu.Mu Chinese, amatchedwa "square flat no-lead phukusi."
DFN ndi chowonjezera cha QFN, ndipo chilembo choyamba cha mawu aliwonse atatu a Chingerezi chimakhala ndi zilembo zazikulu.
Mapini a phukusi la QFN amagawidwa mbali zonse zinayi za phukusili ndipo mawonekedwe ake ndi akulu akulu.
Zikhomo za ma CD a DFN zimagawidwa mbali ziwiri za phukusi ndipo mawonekedwe onse ndi amakona anayi.
Kuti musiyanitse pakati pa QFN ndi DFN, muyenera kuganizira zinthu ziwiri zokha.Choyamba, yang'anani ngati zikhomozo zili mbali zinayi kapena mbali ziwiri.Ngati zikhomo zili mbali zonse zinayi, ndi QFN;ngati mapiniwo ali mbali ziwiri zokha, ndi DFN.Chachiwiri, ganizirani ngati mawonekedwe onse ndi amzere kapena amakona anayi.Nthawi zambiri, mawonekedwe a square amawonetsa QFN, pomwe mawonekedwe amakona amawonetsa DFN.
Nthawi yotumiza: Mar-30-2024