PCB Pad usayizi
5. Endabeni ye-wiring eminyene, kunconywa ukusebenzisa amapuleti okuxhuma oku-oval kanye ne-oblong.Ububanzi noma ububanzi obuncane bephedi yephaneli elilodwa ngu-1.6mm;iphedi yesekethe yamanje ebuthakathaka yebhodi enezinhlangothi ezimbili idinga kuphela ukwengeza u-0.5mm kububanzi bembobo.Iphedi elikhulu kakhulu lingabangela kalula ukushisela okuqhubekayo okungadingekile.
Iphedi ye-PCB ngosayizi ojwayelekile:
Imbobo engaphakathi yephedi ngokuvamile ayikho ngaphansi kuka-0.6mm, ngoba imbobo encane kuno-0.6mm akulula ukuyicubungula lapho ushaya idayidi.Ngokuvamile, ububanzi bephini lensimbi kanye no-0.2mm busetshenziswa njengobubanzi bembobo engaphakathi yephedi, njengobubanzi bephini lensimbi le-resistor Uma buyi-0.5mm, ububanzi bembobo yangaphakathi ye-pad buhambisana no-0.7mm. , futhi ububanzi bephedi buncike kububanzi bomgodi ongaphakathi.
Okwesithathu, amaphuzu okuklama okuthembekile kwamaphedi e-PCB:
1. I-Symmetry, ukuze kuqinisekiswe ibhalansi yokungezwani kwendawo ye-solder encibilikisiwe, amaphedi emikhawulweni yomibili kufanele afane.
2. Isikhala sephedi.Isikhala sephedi esikhulu kakhulu noma esincane sizodala ukonakala kokusoda.Ngakho-ke, qiniseka ukuthi ukuhlukana phakathi kwezingxenye eziphela noma izikhonkwane namaphedi kufanelekile.
3. Ubukhulu obusele bephedi, ubukhulu obusele bokuphela kwengxenye noma iphinikhodi kanye nephedi ngemva kokugqagqana kufanele kuqinisekise ukuthi i-solder joint ingenza i-meniscus.
4. Ububanzi bephedi kufanele bufane ngokuyisisekelo nobubanzi bethiphu yengxenye noma iphini.
Idizayini yephedi ye-PCB elungile, uma kunenani elincane le-skew ngesikhathi sokucutshungulwa kwe-patch, ingalungiswa ngenxa yokungezwani okungaphezulu kwe-solder encibilikisiwe ngesikhathi sokuphinda kufakwe i-solder.Uma idizayini yephedi ye-PCB ingalungile, ngisho noma indawo yokubeka inembe kakhulu, ukonakala kokusoda okufana nengxenye yesikhundla se-offset namabhuloho amisiwe kuzokwenzeka kalula ngemva kokuphinda kufakwe i-solder.Ngakho-ke, lapho uklama i-PCB, idizayini yephedi ye-PCB idinga ukuqaphela kakhulu.
Okwedlule :
Igridi yethusi, ithusi eliqinile.Yiphi?Olandelayo :
Inkomba yokulandela umkhondo yokuqhathanisa ye-PCBIbhulogi Entsha
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