Customized PCB los ua ke thiab PCBA

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Hais txog peb lub PCB Board Design

Thaum peb tsim lub PCB lub rooj tsavxwm, peb kuj muaj cov txheej txheem kev cai: ua ntej, npaj cov haujlwm tseem ceeb raws li cov txheej txheem teeb liab, thiab tom qab ntawd ua raws li "circuit thawj nyuaj thiab tom qab ntawd yooj yim, cov khoom ntim los ntawm loj mus rau me me, muaj zog teeb liab thiab tsis muaj zog teeb liab sib cais, siab thiab qis.Sib cais cov cim, cais cov cim analog thiab cov cim digital, sim ua kom cov xov hlau luv li sai tau, thiab ua qhov tsim nyog raws li qhov ua tau ";Kev saib xyuas tshwj xeeb yuav tsum tau them rau cais "cim av" thiab "lub zog hauv av";qhov no tsuas yog tiv thaiv lub zog hauv av Cov kab qee zaum muaj qhov loj tam sim no dhau los ntawm nws.Yog tias qhov tam sim no tau nkag mus rau hauv lub teeb liab davhlau ya nyob twg, nws yuav raug cuam tshuam rau qhov tso zis davhlau ya nyob twg los ntawm cov nti, yog li cuam tshuam rau qhov kev tswj hwm qhov hluav taws xob ntawm kev hloov hluav taws xob.
Tom qab ntawd, txoj haujlwm kev npaj thiab xaim kev taw qhia ntawm cov khoom yuav tsum ua kom zoo ib yam li qhov ua tau nrog kev xaim ntawm daim duab kos, uas yuav yooj yim dua rau kev saib xyuas tom qab thiab tshuaj xyuas.
Cov xaim hauv av yuav tsum yog luv thiab dav li sai tau, thiab cov ntawv luam tawm los ntawm kev hloov tam sim no yuav tsum tau nthuav dav ntau li ntau tau.Feem ntau, peb muaj lub hauv paus ntsiab lus thaum xaim, hauv av xaim yog qhov dav tshaj plaws, lub zog xaim yog qhov thib ob, thiab lub teeb liab xaim yog qhov nqaim tshaj plaws.
Txo cov kev tawm tswv yim voj, kev tawm tswv yim thiab tso tawm rectification lim voj cheeb tsam kom ntau li ntau tau, lub hom phiaj no yog los txo cov suab nrov cuam tshuam ntawm kev hloov hluav taws xob.

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Cov khoom siv inductive xws li thermistor yuav tsum tau khaws cia kom deb li deb tau los ntawm cov khoom siv hluav taws xob lossis cov khoom siv hluav taws xob uas ua rau muaj kev cuam tshuam.
Qhov kev sib nrig sib nrug ntawm ob lub hauv-kab chips yuav tsum ntau dua 2 hli, thiab qhov kev ncua deb ntawm cov nti resistor thiab cov nti capacitor yuav tsum ntau dua 0.7 hli.
Lub input lim capacitor yuav tsum muab tso rau ze li sai tau rau cov kab uas yuav tsum tau lim.
Hauv kev tsim PCB pawg thawj coj saib, cov teeb meem feem ntau yog cov cai tswj kev nyab xeeb, EMC thiab cuam tshuam.Yuav kom daws tau cov teeb meem no, peb yuav tsum tau xyuam xim rau peb yam thaum tsim: qhov chaw nrug deb, creepage nrug thiab rwb thaiv tsev nkag mus deb.Kev cuam tshuam.
Piv txwv li: Creepage nrug: thaum lub input voltage yog 50V-250V, LN pem hauv ntej fuse yog ≥2.5mm, thaum lub input voltage yog 250V-500V, lub LN pem hauv ntej fuse yog ≥5.0mm;hluav taws xob clearance: thaum lub input voltage yog 50V-250V, L-N ≥ 1.7mm nyob rau hauv pem hauv ntej ntawm lub fuse, thaum lub input voltage yog 250V-500V, L-N ≥ 3.0mm nyob rau hauv pem hauv ntej ntawm lub fuse;tsis muaj qhov yuav tsum tau ua tom qab lub fuse, tab sis sim ua kom ib qho kev ncua deb kom tsis txhob luv luv Circuit Court puas rau lub hwj chim mov;thawj sab AC rau DC ntu ≥ 2.0 hli;thawj sab DC hauv av rau hauv av ≥4.0mm, xws li thawj sab rau hauv av;thawj sab mus rau theem nrab sab ≥6.4mm, xws li optocoupler, Y capacitor thiab lwm yam khoom siv, tus pin nrug tsawg dua lossis sib npaug li 6.4mm yuav tsum tau slotted;transformer ob-theem ≥6.4mm lossis ntau dua, ≥8mm rau cov rwb thaiv tsev.

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FAQ

Q1: Koj ua li cas kom paub tseeb tias qhov zoo ntawm PCBs?
A1: Peb cov PCBs yog tag nrho 100% kev xeem suav nrog Flying Probe Test, E-test lossis AOI.

Q2: Lub sijhawm ua haujlwm yog dab tsi?
A2: Qauv xav tau 2-4 hnub ua haujlwm, ntau lawm xav tau 7-10 hnub ua haujlwm.Nws nyob ntawm cov ntaub ntawv thiab ntau.

Q3: Kuv puas tuaj yeem tau txais tus nqi zoo tshaj?
A3: Yog.Txhawm rau pab cov neeg siv khoom tswj tus nqi yog qhov peb ib txwm sim ua.Peb cov engineers yuav muab cov qauv tsim zoo tshaj plaws kom txuag tau cov khoom siv PCB.