{"id":3227,"date":"2025-06-10T08:31:00","date_gmt":"2025-06-10T00:31:00","guid":{"rendered":"https:\/\/www.topfastpcb.com\/?p=3227"},"modified":"2026-05-21T16:04:54","modified_gmt":"2026-05-21T08:04:54","slug":"what-is-a-pcba","status":"publish","type":"post","link":"https:\/\/www.topfastpcb.com\/fi\/blog\/what-is-a-pcba\/","title":{"rendered":"Mik\u00e4 on PCBA?"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_74 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Sis\u00e4llysluettelo<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/what-is-a-pcba\/#What_is_PCB_Assembly\" >Mik\u00e4 on PCB-kokoonpano?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/what-is-a-pcba\/#The_Essential_Difference_Between_PCB_and_PCBA\" >Olennainen ero PCB:n ja PCBA:n v\u00e4lill\u00e4<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/what-is-a-pcba\/#Core_Manufacturing_Processes_of_PCBA\" >PCBA:n keskeiset valmistusprosessit<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/what-is-a-pcba\/#1_Complete_Surface_Mount_Technology_SMT_Process\" >1. T\u00e4ydellinen pinta-asennustekniikan (SMT) prosessi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/what-is-a-pcba\/#2_Key_Points_of_Through-Hole_Technology_THT\" >2.L\u00e4pivientitekniikan (THT) p\u00e4\u00e4kohdat<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/what-is-a-pcba\/#3_Mixed_Assembly_Technology\" >3.Sekakokoonpanotekniikka<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/what-is-a-pcba\/#Industry_Applications_of_PCBA\" >PCBA:n teollisuussovellukset<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/what-is-a-pcba\/#Consumer_Electronics\" >Viihde-elektroniikka<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/what-is-a-pcba\/#Automotive_Electronics\" >Autoteollisuuden elektroniikka<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/what-is-a-pcba\/#Industrial_Control\" >Teollinen ohjaus<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/what-is-a-pcba\/#Common_PCBA_Issues_and_Professional_Solutions\" >Yleiset PCBA-ongelmat ja ammattimaiset ratkaisut<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/what-is-a-pcba\/#Q1_How_to_solve_soldering_defects_in_BGA_components\" >Q1: Miten ratkaista juotosvirheet BGA-komponenteissa?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/what-is-a-pcba\/#Q2_How_to_address_white_residue_after_PCBA_cleaning\" >Q2: Miten k\u00e4sitell\u00e4 valkoisia j\u00e4\u00e4mi\u00e4 PCBA-puhdistuksen j\u00e4lkeen?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/what-is-a-pcba\/#Q3_How_to_improve_PCBA_EMC_performance\" >Q3: Miten parantaa PCBA EMC-suorituskyky\u00e4?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/what-is-a-pcba\/#Conclude\" >P\u00e4\u00e4telm\u00e4t<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_PCB_Assembly\"><\/span>Mik\u00e4 on PCB-kokoonpano?<span class=\"ez-toc-section-end\"><\/span><\/h2><p>PCBA tarkoittaa koko prosessia, jossa erilaiset elektroniikkakomponentit (esim. vastukset, kondensaattorit, integroidut piirit jne.) asennetaan tietokoneeseen. <a href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/printed-circuit-board-pcb\/\">painetut piirilevyt (PCB)<\/a> ja muodostamalla toiminnallisia piirimoduuleja juottamalla ja muilla prosesseilla. Se on elektroniikkatuotteiden valmistuksen v\u00e4ltt\u00e4m\u00e4t\u00f6n ydinlenkki, joka toteuttaa muutoksen suunnittelupiirustuksista todellisiin, k\u00e4ytt\u00f6kelpoisiin elektroniikkakomponentteihin.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_Essential_Difference_Between_PCB_and_PCBA\"><\/span>Olennainen ero PCB:n ja PCBA:n v\u00e4lill\u00e4<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Piirilevy: tarkoittaa vain tyhj\u00e4\u00e4 piirilevy\u00e4, johon ei ole asennettu mit\u00e4\u00e4n komponentteja ja joka tarjoaa s\u00e4hk\u00f6iset liit\u00e4nt\u00e4reitit ja mekaanisen tukirakenteen.<br>PCBA: toiminnallinen piirilevy, jossa kaikki komponentit on koottu ja joka voidaan integroida suoraan lopputuotteeseen.<\/p><p><strong>PCB<\/strong><\/p><ul class=\"wp-block-list\"><li>Fyysinen rakenne: Paljas levy, joka sis\u00e4lt\u00e4\u00e4 vain eristysalustan ja kuparip\u00e4\u00e4llysteiset johdot.<\/li>\n\n<li>Valmistusprosessi: Valmistusmenetelm\u00e4: Piirigrafiikka muodostetaan sy\u00f6vytt\u00e4m\u00e4ll\u00e4.<\/li>\n\n<li>Toiminnalliset ominaisuudet:Toiminnalliset ominaisuudet: Tarjoaa s\u00e4hk\u00f6iset liit\u00e4nt\u00e4kanavat ja mekaanisen tuen.<\/li>\n\n<li>Testausstandardi: p\u00e4\u00e4asiassa linjan jatkuvuutta ja eristysominaisuuksia varten.<\/li>\n\n<li>Kustannuskomponentit: materiaalikustannukset muodostavat p\u00e4\u00e4osan (substraatti, kuparifolio jne.).<\/li><\/ul><p><strong><a href=\"https:\/\/www.topfastpcb.com\/fi\/products\/category\/pcba\/\">PCBA<\/a><\/strong><\/p><ul class=\"wp-block-list\"><li>Fyysinen rakenne: PCB + elektroniset komponentit + juotosliitokset<\/li>\n\n<li>Valmistusprosessi: mukaan lukien SMT-asennus, reflow-juottaminen, aaltojuottaminen ja muut monimutkaiset prosessit.<\/li>\n\n<li>Toiminnalliset ominaisuudet: tiettyjen elektronisten toimintojen toteuttaminen (signaalink\u00e4sittely, tehon muuntaminen jne.).<\/li>\n\n<li>Testausstandardit: mukaan lukien tieto- ja viestint\u00e4tekniikan testaus, toiminnallinen testaus, ymp\u00e4rist\u00f6testaus jne.<\/li>\n\n<li>Kustannusten koostumus: Komponentit muodostavat yleens\u00e4 yli 70 % kustannuksista.<\/li><\/ul><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"402\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/pcba-1.jpg\" alt=\"Mik\u00e4 on PCBA?\" class=\"wp-image-3230\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/pcba-1.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/pcba-1-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/pcba-1-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Core_Manufacturing_Processes_of_PCBA\"><\/span>PCBA:n keskeiset valmistusprosessit<span class=\"ez-toc-section-end\"><\/span><\/h2><p><\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Complete_Surface_Mount_Technology_SMT_Process\"><\/span>1.T\u00e4ydellinen <a href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/surface-mount-technology\/\">Pinta-asennustekniikka<\/a> (SMT) prosessi<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Juotospastan tulostus<\/strong>: K\u00e4ytt\u00e4\u00e4 kaavaa juotospastan tarkkaan tulostamiseen tyynyille.<\/li>\n\n<li><strong>Komponentin sijoittaminen<\/strong>Nopeat sijoituskoneet tekev\u00e4t kymmeni\u00e4 tuhansia sijoituksia minuutissa.<\/li>\n\n<li><strong>Reflow-juottaminen<\/strong>: Tarkka l\u00e4mp\u00f6tilaprofiilin s\u00e4\u00e4t\u00f6 viimeistelee juottamisen.<\/li>\n\n<li><strong>3D AOI-tarkastus<\/strong>: Tarkistaa juotosliitoksen laadun ja komponenttien sijoittelun.<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Key_Points_of_Through-Hole_Technology_THT\"><\/span>2.Keskeiset kohdat <a href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/through-hole-technology-pcb\/\">L\u00e4pivientireik\u00e4-tekniikka<\/a> (THT)<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Komponentin muodostaminen<\/strong>: Komponentin johtojen esimuodostus piirilevyn reik\u00e4v\u00e4lin sovittamiseksi yhteen<\/li>\n\n<li><strong>Aaltojuottaminen<\/strong>: S\u00e4\u00e4t\u00e4\u00e4 juotosaallon korkeutta ja kosketuksen kestoa<\/li>\n\n<li><strong>Valikoiva juottaminen<\/strong>: Paikallinen juotossuojaus herkille komponenteille<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Mixed_Assembly_Technology\"><\/span>3.Sekakokoonpanotekniikka<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Nykyaikaisessa elektroniikassa yhdistyv\u00e4t usein SMT ja THT:<\/p><ul class=\"wp-block-list\"><li>T\u00e4rkeimm\u00e4t sirut k\u00e4ytt\u00e4v\u00e4t SMT:t\u00e4 suurta tiheytt\u00e4 varten<\/li>\n\n<li>Liittimiss\u00e4 ja suuritehoisissa komponenteissa k\u00e4ytet\u00e4\u00e4n THT:t\u00e4 luotettavuuden takaamiseksi.<\/li>\n\n<li>Erityishuomio juotosj\u00e4rjestykseen ja l\u00e4mp\u00f6vaikutuksiin<\/li><\/ul><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Industry_Applications_of_PCBA\"><\/span>PCBA:n teollisuussovellukset<span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Consumer_Electronics\"><\/span>Viihde-elektroniikka<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>\u00c4lypuhelimet: Monikerroksiset HDI-levyt, 0,4 mm:n BGA-paketit<\/li>\n\n<li>\u00c4lyk\u00e4s koti:V\u00e4h\u00e4virtainen suunnittelu, integroidut langattomat moduulit<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Automotive_Electronics\"><\/span>Autoteollisuuden elektroniikka<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>ECU-ohjausyksik\u00f6t:(-40 \u2103 ~ 125 \u2103): T\u00e4ytt\u00e4v\u00e4t autoteollisuuden l\u00e4mp\u00f6tilavaatimukset (-40 \u2103 ~ 125 \u2103)<\/li>\n\n<li>Anturimoduulit:T\u00e4rin\u00e4nkest\u00e4v\u00e4 rakenne, eritt\u00e4in luotettava juottaminen.<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Industrial_Control\"><\/span>Teollinen ohjaus<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>PLC-ohjaimet:Parannettu EMC-suunnittelu<\/li>\n\n<li>HMI-liit\u00e4nn\u00e4t:Korkea suojausluokitus (IP65 tai korkeampi)<\/li><\/ul><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_PCBA_Issues_and_Professional_Solutions\"><\/span>Yleiset PCBA-ongelmat ja ammattimaiset ratkaisut<span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Q1_How_to_solve_soldering_defects_in_BGA_components\"><\/span>Q1: Miten ratkaista juotosvirheet BGA-komponenteissa?<span class=\"ez-toc-section-end\"><\/span><\/h3><p><strong>Ongelman analyysi<\/strong>:<br>BGA-juotosongelmat ilmenev\u00e4t tyypillisesti p\u00e4\u00e4n ja tyynyn v\u00e4lisin\u00e4, kylmin\u00e4 liitoksina tai silloituksina, jotka johtuvat p\u00e4\u00e4asiassa seuraavista syist\u00e4:<\/p><ul class=\"wp-block-list\"><li>Huono juotospallon koplanaarisuus<\/li>\n\n<li>Virheellinen reflow-profiili<\/li>\n\n<li>PCB:n v\u00e4\u00e4ntyminen<\/li><\/ul><p><strong>Ammattimaiset ratkaisut<\/strong>:<\/p><ol class=\"wp-block-list\"><li>R\u00f6ntgentarkastus reaaliaikaista laadunvalvontaa varten<\/li>\n\n<li>Optimoi reflow-profiili, erityisesti l\u00e4mp\u00f6tilan nousunopeuden hallinta<\/li>\n\n<li>K\u00e4yt\u00e4 simulointiohjelmistoa PCB:n l\u00e4mp\u00f6muodonmuutosten ennustamiseen.<\/li>\n\n<li>Valitse korkean tarkkuuden sijoituslaitteisto (\u00b125\u03bcm tai parempi).<\/li><\/ol><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Q2_How_to_address_white_residue_after_PCBA_cleaning\"><\/span>Q2: Miten k\u00e4sitell\u00e4 valkoisia j\u00e4\u00e4mi\u00e4 PCBA-puhdistuksen j\u00e4lkeen?<span class=\"ez-toc-section-end\"><\/span><\/h3><p><strong>Ongelman diagnoosi<\/strong>:<br>Valkoinen j\u00e4\u00e4nn\u00f6s on tyypillisesti seurausta flux-puhdistusaineen reaktioista, joita esiintyy yleisesti, kun:<\/p><ul class=\"wp-block-list\"><li>Puhdistusaineen k\u00e4ytt\u00f6 ilman puhdistusprosessia<\/li>\n\n<li>Yhteensopimattomat puhdistusaine- ja flux-kemiat<\/li>\n\n<li>Puutteellinen puhdistuksen j\u00e4lkeinen kuivaus<\/li><\/ul><p><strong>Ratkaisut<\/strong>:<\/p><ol class=\"wp-block-list\"><li>Valitse yhteensopivat puhdistusaineet IPC-CH-65B-standardien mukaisesti.<\/li>\n\n<li>Optimoi puhdistusparametrit (l\u00e4mp\u00f6tila, kesto, ultra\u00e4\u00e4niteho).<\/li>\n\n<li>Lis\u00e4t\u00e4\u00e4n DI-vesihuuhtelu ja tyhji\u00f6kuivausvaiheet.<\/li>\n\n<li>Vaihda puhdistusaine s\u00e4\u00e4nn\u00f6llisesti ja seuraa johtavuutta.<\/li><\/ol><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Q3_How_to_improve_PCBA_EMC_performance\"><\/span>Q3: Miten parantaa PCBA EMC-suorituskyky\u00e4?<span class=\"ez-toc-section-end\"><\/span><\/h3><p><strong>Juurisyyt<\/strong>:<br>EMC-ongelmat johtuvat usein seuraavista syist\u00e4:<\/p><ul class=\"wp-block-list\"><li>Huono maatason suunnittelu<\/li>\n\n<li>Ep\u00e4asianmukaiset korkeataajuussignaalin paluureitit<\/li>\n\n<li>Suodatinkomponenttien virheellinen sijoittelu<\/li><\/ul><p><strong>Parannustoimenpiteet<\/strong>:<\/p><ol class=\"wp-block-list\"><li>Toteutetaan yht\u00e4jaksoiset maatasot, v\u00e4ltet\u00e4\u00e4n halkaisuja<\/li>\n\n<li>Sovelletaan impedanssin s\u00e4\u00e4t\u00f6\u00e4 kriittisiin signaaleihin<\/li>\n\n<li>Aseta \u03c0-tyyppiset suodattimet tehonsy\u00f6tt\u00f6ihin<\/li>\n\n<li>K\u00e4yt\u00e4 suojapurkkeja korkeiden taajuuksien erist\u00e4miseen.<\/li>\n\n<li>Suorita l\u00e4hikentt\u00e4skannaus s\u00e4teilykeskittymien paikantamiseksi.<\/li><\/ol><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"402\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/pcba-4.jpg\" alt=\"Mik\u00e4 on PCBA\" class=\"wp-image-3232\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/pcba-4.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/pcba-4-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/pcba-4-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclude\"><\/span>P\u00e4\u00e4telm\u00e4t<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Elektroniikkatuotteiden ydinkomponenttina PCBA:n laatu m\u00e4\u00e4ritt\u00e4\u00e4 suoraan lopullisen laitteen suorituskyvyn ja luotettavuuden. Suunnittelusta valmistukseen PCBA:han liittyy monimutkaisia prosesseja ja tiukkoja laadunvalvontastandardeja. Optimoidun suunnittelun, tiukan prosessinvalvonnan ja kattavan testauksen avulla PCBA:n laatua ja luotettavuutta voidaan parantaa merkitt\u00e4v\u00e4sti, mik\u00e4 luo vankan perustan lopputuotteen menestykselle.<\/p>","protected":false},"excerpt":{"rendered":"<p>PCBA on keskeinen prosessi, jossa elektroniset komponentit kiinnitet\u00e4\u00e4n painettuihin piirilevyihin toiminnallisten piirien muodostamiseksi, mukaan lukien kaksi p\u00e4\u00e4prosessia, pinta-asennustekniikka (SMT) ja l\u00e4pivientitekniikka (THT). PCBA:n tuotantoprosessin, teollisuussovellusten ja tulevaisuuden suuntausten ymm\u00e4rt\u00e4minen auttaa lis\u00e4\u00e4m\u00e4\u00e4n PCBA:n valmistuksen ja kokoonpanon ymm\u00e4rryst\u00e4.<\/p>","protected":false},"author":1,"featured_media":3233,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[109],"tags":[272,278],"class_list":["post-3227","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-faq","tag-pcb-assembly","tag-pcba"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is a PCBA? - Topfastpcb<\/title>\n<meta name=\"description\" content=\"PCBA refers to the complete process of mounting various electronic components (e.g., resistors, capacitors, integrated circuits, etc.) onto printed circuit boards (PCBs) and forming functional circuit modules through soldering and other processes.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/what-is-a-pcba\/\" \/>\n<meta property=\"og:locale\" content=\"fi_FI\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is a PCBA? 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