PCBA Thermal Pads Design iimfuno

1. Yintoni i-thermal pad

I-pads ebizwa ngokuba yi-thermal, ibhekisela emazantsi amacandelo kunye necala lesinyithi le-solder pads yokuchitha ubushushu, ngokuqhelekileyo amandla amancinci ngokwentelekiso, ubukhulu becala ngokusebenzisa iipadi zokutshatyalaliswa kobushushu kwimingxuma yokuchitha ubushushu kumaleko omhlaba.Ukuze ngcono ukutshatyalaliswa kobushushu, ngamanye amaxesha kufuneka uyilo umngxuma litshona ubushushu for ngokusebenzisa-umngxuma (hayi iplagi umngxuma), ukuze reflow soldering solder otyhidiweyo iya kumpompoza ngasemva, ukwakheka amaso inkonkxa, ngaloo ndlela echaphazela solder paste printing kwi. umphezulu amaso.

2. Iimfuno zoyilo

(1) Ukuze kuncitshiswe into eyenziwa ngamaso e-tin, umngxuma unokuthi ulungiselelwe ububanzi be-≤ 0.30mm okanye ≥ 0.80mm umngxuma;Iplagi yeplagi yentlaka yokubeka umphezulu womphezulu (POFV) uyilo nayo ingasetyenziswa.

(2) Yandlala zonke iipads zokutshona kumgangatho wesibini wokusoda ukwamkela ubukho bamaso enkcenkce.

(3) Yila umaleko wenkqubo ye-thermal.Ukuba ibhodi PCB ubukhulu < 2.4mm, kunye nenani umaleko komhlaba eqhagamshelwe umngxuma ubushushu isinki < umaleko ezine, solder otyhidiweyo jikelele uya kumpompoza kumngxuma ubushushu isinki kunye nokwakheka tin amaso phenomenon.Ngoko ke, kucetyiswa ukuba inani leengqimba zomhlaba ezidityaniswe ne-sinki yobushushu < iziqendu ezine, unokuyila inkqubo ye-sink yobushushu (ngokuqinisekileyo, inani le-PCB kufuneka libe nako ukufezekisa), nje ngokuba ubushushu isinki iqhagamshelwe kumphezulu wobhedu omkhulu ngaphezu kwemigangatho emithandathu, ngokuqhelekileyo ayiyi kwenza into ye-tin bead.

Iimpawu zeNeoDen IN12C reflow oveni

1. Inkqubo yokucoca i-welding eyakhiweyo, ukuhluzwa okusebenzayo kweegesi ezinobungozi, ukubonakala okuhle kunye nokukhuselwa kwendalo, ngakumbi ngokuhambelana nokusetyenziswa kwendawo ephezulu.

2. Inkqubo yokulawula ineempawu zokudibanisa okuphezulu, ukuphendula ngexesha elifanelekileyo, izinga lokungaphumeleli eliphantsi, ukugcinwa lula, njl.

3. Uyilo lwemodyuli yokufudumala eyodwa, kunye nokulawulwa kokushisa okuchanekileyo, ukusabalalisa ukushisa okufanayo kwindawo yembuyekezo ye-thermal, ukusebenza okuphezulu kwembuyekezo ye-thermal, ukusetyenziswa kwamandla aphantsi kunye nezinye iimpawu.

4. intle kwaye inomsebenzi we-alamu obomvu, ophuzi kunye nohlaza woyilo lwesalathisi.

5. I-motor ye-track drive ephuhlisiwe ngokwesiko ngokweempawu zebhanti ye-B-uhlobo lwe-mesh, ukuqinisekisa isantya esifanayo kunye nobomi obude.