1. 0.5mm farar QFP tsayin kushin ya yi tsayi da yawa, yana haifar da gajeren kewayawa.
2. PLCC soket pads sun yi gajere, yana haifar da siyarwar ƙarya.
3. Kushin tsawon IC yana da tsayi da yawa kuma yawan adadin manna mai girma yana haifar da gajeren kewaye a reflow.
4. Wing guntu pads sun yi tsayi da yawa suna shafar cikowar diddige da rashin jika diddige.
5. Tsawon kushin guntu ya yi guntu sosai, yana haifar da matsalolin siyarwa kamar juyawa, buɗe da'ira, da rashin iya siyarwa.
6. Tsayin tsayin dakakken guntu yana haifar da matsalolin saida su kamar abin tunawa da tsaye, da'ira mai buɗewa, da ƙarancin tin a cikin gidajen abinci.
7. Faɗin kushin yana da faɗi da yawa wanda ke haifar da lahani kamar ƙaurawar kayan aiki, mai siyar da babu wadataccen tin akan kushin.
8. Faɗin kushin yana da faɗi da yawa kuma girman kunshin bai dace da kushin ba.
9. Solder kushin nisa ne kunkuntar, shafi girman narkakkar solder tare da bangaren solder karshen da PCB gammaye a hade da karfe surface wetting baza iya isa, shafi siffar solder hadin gwiwa, rage amincin solder hadin gwiwa. .
10.Ana haɗe pad ɗin solder kai tsaye zuwa manyan wuraren tagulla, wanda ke haifar da lahani kamar abubuwan tarihi na tsaye da sayar da karya.
11. Solder kushin farar ne ma girma ko kuma karami, bangaren solder karshen ba zai iya zoba tare da kushin zoba, wanda zai haifar da lahani kamar a tsaye abin tunawa, kaura, da ƙarya soldering.
12. Tazarar kushin solder yayi girma da yawa wanda ke haifar da rashin iya samar da haɗin gwiwa.
Lokacin aikawa: Janairu-14-2022