Yadda za a tsara tazarar aminci na PCB?

Tazarar aminci da ke da alaƙa da wutar lantarki

1. Tazara tsakanin kewaye.

Don iya aiki, mafi ƙarancin tazara tsakanin wayoyi bai kamata ya zama ƙasa da mil 4 ba. Tazarar ƙaramin layi shine nisa daga layi zuwa layi da layi zuwa pad. Don samarwa, yana da girma kuma mafi kyau, yawanci yana da 10mil.

2.Diamita da faɗin ramin pad

Diamita na kushin ba zai zama ƙasa da 0.2mm ba idan ramin an haƙa shi da injiniyanci, kuma kada ya wuce mil 4 idan ramin Laser ne. Kuma haƙurin diamita na ramin ya ɗan bambanta bisa ga farantin, gabaɗaya ana iya sarrafa shi a cikin 0.05mm, ƙaramin nisa na kushin ba zai zama ƙasa da 0.2mm ba.

3.Tazara tsakanin Pads

Tazarar bai kamata ya zama ƙasa da 0.2mm daga kushin zuwa kushin ba.

4.Tazara tsakanin jan karfe da gefen allo

Nisa tsakanin jan ƙarfe da gefen PCB bai kamata ya zama ƙasa da 0.3mm ba. Saita ƙa'idar tazarar abu a cikin Shafi na Ƙirar-Dokokin-Board

Idan jan karfe an dage farawa a kan wani babban yanki, ya kamata a shrinking nisa tsakanin jirgin da gefen, wanda yawanci an saita zuwa 20mil. A cikin PCB zane da kuma masana'antu masana'antu, a general, domin kare kanka da inji al'amurran da gama kewaye hukumar, ko don kauce wa abin da ya faru na coiling ko lantarki gajeren kewaye saboda da jan karfe fata fallasa a gefen jirgin, injiniyoyi sau da yawa rage girman yankin da jan karfe block tare da wani yanki na 0 daga cikin gungumen. fata na jan karfe har zuwa gefen allon.

Akwai hanyoyi da yawa don yin haka, kamar zana layin ajiyewa a gefen allo da saita tazarar kiyayewa. An gabatar da hanya mai sauƙi a nan, wato, an saita nisa na tsaro daban-daban don abubuwan da ke shimfiɗa tagulla. Misali, idan an saita tazarar aminci na dukkan farantin zuwa 10mil, kuma aka saita shimfiɗar tagulla zuwa 20mil, ana iya samun tasirin raguwar 20mil a cikin gefen farantin, kuma mataccen jan ƙarfe da zai iya bayyana a cikin na'urar kuma za'a iya cire shi.