QFN uye DFN, aya marudzi maviri eSemiconductor Compongeny Packating, anowanzo kuvhiringidzwa nyore nyore nebasa rinoshanda. Kazhinji hazvizivikanwe kuti ndeipi qfn uye ndeipi iri dfn. Naizvozvo, isu tinofanirwa kunzwisisa kuti qfn chii uye chii DFN.
QFN rudzi rwekurongedza. Iri zita rakatsanangurwa neJapan Electronics uye maCriney Indisheni Association, neyekutanga tsamba yeumwe neumwe weChirungu mazwi matatu capitalised. MuChinese, inonzi "Square flat haina-kutungamira package."
DFN ndeyekuwedzera kweQFN, neyekutanga tsamba yeimwe yemazita matatu eChirungu mavara.
Iwo mapini eQFN Paakarongedzwa anogoverwa pamativi ese mana ehuku uye kutaridzika kwese kwakaenzana.
Iwo mapini eDFK paakarongedzwa anogoverwa pamativi maviri epakeji uye nechitarisiko chakazara chinoregedza.
Kusiyanisa pakati peQFN neDFN, iwe unongoda kufunga nezvezvinhu zviviri. Kutanga, tarisa kuti mapini ari pamativi mana kana maviri mativi. Kana ma pini ari kumativi mana ose, iyo qfn; Kana ma pini ari pamativi maviri, iri dfn. Chechipiri, funga kana kutaridzika kwese kwakaringana kana rectangular. Kazhinji, chitarisiko chakaenzana chinoratidza QFN, nepo chitarisiko chitarisiko chinoratidza DFN.
Kutumira Nguva: Mar-30-2024