{"id":3727,"date":"2025-07-30T17:42:23","date_gmt":"2025-07-30T09:42:23","guid":{"rendered":"https:\/\/www.topfastpcb.com\/?p=3727"},"modified":"2025-07-30T17:45:43","modified_gmt":"2025-07-30T09:45:43","slug":"minimum-line-width-and-line-spacing-for-pcb-circuit-boards","status":"publish","type":"post","link":"https:\/\/www.topfastpcb.com\/fi\/blog\/minimum-line-width-and-line-spacing-for-pcb-circuit-boards\/","title":{"rendered":"V\u00e4himm\u00e4isviivan leveys ja riviv\u00e4li PCB:t\u00e4 varten"},"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\/minimum-line-width-and-line-spacing-for-pcb-circuit-boards\/#What_are_PCB_trace_width_and_trace_spacing\" >Mit\u00e4 ovat PCB-piirilevyn j\u00e4ljitysleveys ja j\u00e4ljitysv\u00e4li?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/minimum-line-width-and-line-spacing-for-pcb-circuit-boards\/#1_Industry_Standard_Minimum_Trace_Width_and_Spacing\" >1. Teollisuusstandardin mukainen j\u00e4ljen v\u00e4himm\u00e4isleveys ja -v\u00e4li<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/minimum-line-width-and-line-spacing-for-pcb-circuit-boards\/#11_Conventional_Process_Capabilities\" >1.1 Perinteiset prosessikyvyt<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/minimum-line-width-and-line-spacing-for-pcb-circuit-boards\/#12_Advanced_Processes_HDI\" >1.2 Kehittyneet prosessit (HDI)<\/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\/minimum-line-width-and-line-spacing-for-pcb-circuit-boards\/#13_Extreme_Challenges\" >1.3 \u00c4\u00e4rimm\u00e4iset haasteet<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/minimum-line-width-and-line-spacing-for-pcb-circuit-boards\/#2_Four_Key_Factors_Influencing_Trace_WidthSpacing_Selection\" >2. Nelj\u00e4 keskeist\u00e4 tekij\u00e4\u00e4, jotka vaikuttavat j\u00e4ljen leveyden\/v\u00e4lin valintaan.<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/minimum-line-width-and-line-spacing-for-pcb-circuit-boards\/#21_Current_Carrying_Capacity_and_Temperature_Rise\" >2.1 Nykyinen kantavuus ja l\u00e4mp\u00f6tilan nousu<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/minimum-line-width-and-line-spacing-for-pcb-circuit-boards\/#22_Signal_Integrity\" >2.2 Signaalin eheys<\/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\/minimum-line-width-and-line-spacing-for-pcb-circuit-boards\/#23_Manufacturing_Process_and_Cost\" >2.3 Valmistusprosessi ja kustannukset<\/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\/minimum-line-width-and-line-spacing-for-pcb-circuit-boards\/#24_Layout_Density_and_BGA_Design\" >2.4 Asettelutiheys ja BGA-suunnittelu<\/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\/minimum-line-width-and-line-spacing-for-pcb-circuit-boards\/#3_PCB_Design_Optimization_Strategies\" >3. PCB-suunnittelun optimointistrategiat<\/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\/minimum-line-width-and-line-spacing-for-pcb-circuit-boards\/#31_Layer_Strategy\" >3.1 Kerrosstrategia<\/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\/minimum-line-width-and-line-spacing-for-pcb-circuit-boards\/#32_Avoid_Common_Mistakes\" >3.2 V\u00e4lt\u00e4 yleisi\u00e4 virheit\u00e4<\/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\/minimum-line-width-and-line-spacing-for-pcb-circuit-boards\/#33_Cost_Balancing\" >3.3 Kustannusten tasapainottaminen<\/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\/minimum-line-width-and-line-spacing-for-pcb-circuit-boards\/#4_PCB_Design_Spacing_Specifications\" >4. PCB-suunnittelun spacing-spesifikaatiot<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/minimum-line-width-and-line-spacing-for-pcb-circuit-boards\/#1_Traces\" >1. J\u00e4ljet<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/minimum-line-width-and-line-spacing-for-pcb-circuit-boards\/#2_Vias\" >2. Viat<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/minimum-line-width-and-line-spacing-for-pcb-circuit-boards\/#3_PTH_Pads_Plated_Through-Holes\" >3. PTH-tyynyt (platatut l\u00e4pivientirei\u00e4t)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/minimum-line-width-and-line-spacing-for-pcb-circuit-boards\/#4_Solder_Mask\" >4. Juotosmaski<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/minimum-line-width-and-line-spacing-for-pcb-circuit-boards\/#5_Silkscreen_Text\" >5. Silkkipaino (teksti)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/minimum-line-width-and-line-spacing-for-pcb-circuit-boards\/#6_Non-Plated_Slots\" >6. Ei-plattioidut l\u00e4ht\u00f6paikat<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/minimum-line-width-and-line-spacing-for-pcb-circuit-boards\/#7_Panelization\" >7. Panelointi<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_are_PCB_trace_width_and_trace_spacing\"><\/span>Mit\u00e4 ovat PCB-piirilevyn j\u00e4ljitysleveys ja j\u00e4ljitysv\u00e4li?<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Osoitteessa <a href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/pcb-design-principles\/\">painetun piirilevyn (PCB) suunnittelu,<\/a> <strong>j\u00e4ljen leveys<\/strong> ja <strong>j\u00e4ljitysv\u00e4li<\/strong> ovat kaksi perustavanlaatuista mutta kriittist\u00e4 parametria:<\/p><ul class=\"wp-block-list\"><li><strong>J\u00e4ljen leveysN\/OFF)<\/strong>: Johtavan kuparifolion leveys, joka m\u00e4\u00e4ritt\u00e4\u00e4 virransietokyvyn ja l\u00e4mp\u00f6tilan nousun.<\/li>\n\n<li><strong>J\u00e4ljen v\u00e4li<\/strong>: Vierekk\u00e4isten johtojen v\u00e4linen et\u00e4isyys, joka vaikuttaa signaalin erist\u00e4miseen ja oikosulkuriskeihin.<\/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\/07\/PCB-line-width.jpg\" alt=\"PCB-viivan leveys\" class=\"wp-image-3728\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/PCB-line-width.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/PCB-line-width-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/PCB-line-width-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Industry_Standard_Minimum_Trace_Width_and_Spacing\"><\/span>1. Teollisuusstandardin mukainen j\u00e4ljen v\u00e4himm\u00e4isleveys ja -v\u00e4li<span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"11_Conventional_Process_Capabilities\"><\/span>1.1 Perinteiset prosessikyvyt<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>P\u00e4\u00e4virran valmistajat<\/strong>: Yli 80% voi vakaasti tuottaa malleja, joissa on <strong>6 mil\/6 mil<\/strong> (0,15 mm\/0,15 mm) pienemmill\u00e4 kustannuksilla.<\/li>\n\n<li><strong>Suuren tarkkuuden valmistajat<\/strong>: 70%-tuki <strong>4 mil\/4 mil<\/strong> (0,1 mm\/0,1 mm), joka soveltuu useimpiin tiheisiin malleihin.<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"12_Advanced_Processes_HDI\"><\/span>1.2 Kehittyneet prosessit (HDI)<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Laserporaus Microvia Technology<\/strong>: Tukee <strong>2 mil\/2 mil<\/strong> (0,05 mm\/0,05 mm), joita k\u00e4ytet\u00e4\u00e4n eritt\u00e4in ohuissa ja tiheiss\u00e4 sovelluksissa, kuten \u00e4lypuhelimissa ja RF-moduuleissa, mutta kustannukset nousevat merkitt\u00e4v\u00e4sti.<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"13_Extreme_Challenges\"><\/span>1.3 \u00c4\u00e4rimm\u00e4iset haasteet<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>3,5 milj\/3,5 milj<\/strong> (0,09 mm\/0,09 mm) on rajoitettu muutamiin valmistajiin, ja se edellytt\u00e4\u00e4 tiukkoja tuottotestej\u00e4.<\/li><\/ul><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Four_Key_Factors_Influencing_Trace_WidthSpacing_Selection\"><\/span>2. Nelj\u00e4 keskeist\u00e4 tekij\u00e4\u00e4, jotka vaikuttavat j\u00e4ljen leveyden\/v\u00e4lin valintaan.<span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"21_Current_Carrying_Capacity_and_Temperature_Rise\"><\/span>2.1 Nykyinen kantavuus ja l\u00e4mp\u00f6tilan nousu<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Kaavan viite<\/strong>: IPC-2221-standardin mukaan j\u00e4ljen leveyden on t\u00e4ytett\u00e4v\u00e4 nykyiset vaatimukset. Esimerkiksi 1 oz:n kuparipaksuudella 1 A:n virta vaatii v\u00e4hint\u00e4\u00e4n seuraavat arvot <strong>40 mil (1 mm)<\/strong> j\u00e4ljen leveys (10 \u00b0C:n l\u00e4mp\u00f6tilan nousussa).<\/li>\n\n<li><strong>Ty\u00f6kaluapu<\/strong>: K\u00e4yt\u00e4 online-piirilevyjen j\u00e4ljitysleveyden laskureita (esim. Saturn PCB Toolkit) sy\u00f6tt\u00e4m\u00e4ll\u00e4 virran, kuparin paksuuden ja l\u00e4mp\u00f6tilan nousun raja-arvot nopeasti saadaksesi suositusarvot.<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"22_Signal_Integrity\"><\/span>2.2 Signaalin eheys<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Suurnopeussignaalit<\/strong>: Vaaditaan impedanssin sovittamista, jossa j\u00e4ljen leveys liittyy dielektrisen kerroksen paksuuteen ja permittiivisyyteen. Esimerkiksi FR4-levyll\u00e4 olevan 50 \u03a9:n mikroliuskajohdon j\u00e4ljen leveys on tyypillisesti seuraava <strong>8-12 milj.<\/strong>.<\/li>\n\n<li><strong>Differentiaaliset parit<\/strong>: S\u00e4ilyt\u00e4 sama leveys ja v\u00e4li (esim. 5 mil\/5 mil) ristikk\u00e4isviestinn\u00e4n v\u00e4hent\u00e4miseksi.<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"23_Manufacturing_Process_and_Cost\"><\/span>2.3 Valmistusprosessi ja kustannukset<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Kustannuskynnys<\/strong>: Kun j\u00e4ljen leveys\/v\u00e4li &lt; 5 mil, hinnat voivat kaksinkertaistua (alhaisemman tuoton ja laserprosessin vaatimusten vuoksi).<\/li>\n\n<li><strong>Kuparin paksuuden valinta<\/strong>: Ulommissa kerroksissa k\u00e4ytet\u00e4\u00e4n yleens\u00e4 1 oz (35 \u03bcm), sisemmiss\u00e4 kerroksissa 0,5 oz; suurivirtaisissa skenaarioissa voidaan k\u00e4ytt\u00e4\u00e4 2 oz:n kuparipaksuutta, mutta se edellytt\u00e4\u00e4 leve\u00e4mpi\u00e4 j\u00e4lki\u00e4.<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"24_Layout_Density_and_BGA_Design\"><\/span>2.4 Asettelutiheys ja BGA-suunnittelu<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>BGA-paon reititys<\/strong>: K\u00e4yt\u00e4 1 mm:n BGA-jakoa varten 6 mil\/6 mil, jos reitit\u00e4t yhden j\u00e4ljen kahden nastan v\u00e4liin; k\u00e4yt\u00e4 4 mil\/4 mil, jos reitit\u00e4t kaksi j\u00e4lke\u00e4.<\/li>\n\n<li><strong>V\u00e4lt\u00e4 pullonkauloja<\/strong>: Suunnittele j\u00e4ljen leveydet tihe\u00e4\u00e4n rakennetuilla alueilla varhaisessa vaiheessa, jotta v\u00e4lt\u00e4t my\u00f6hemm\u00e4n j\u00e4lkity\u00f6n.<\/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\/07\/PCB-line-width-2.jpg\" alt=\"PCB-viivan leveys\" class=\"wp-image-3729\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/PCB-line-width-2.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/PCB-line-width-2-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/PCB-line-width-2-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_PCB_Design_Optimization_Strategies\"><\/span>3. PCB-suunnittelun optimointistrategiat<span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"31_Layer_Strategy\"><\/span>3.1 Kerrosstrategia<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Tehokerrokset<\/strong>: K\u00e4yt\u00e4 leveit\u00e4 j\u00e4lki\u00e4 tai kuparivaluja (esim. 50 mil+) impedanssin ja l\u00e4mm\u00f6ntuoton v\u00e4hent\u00e4miseksi.<\/li>\n\n<li><strong>Signaalikerrokset<\/strong>: Korkeataajuisten signaalien priorisointi sis\u00e4kerroksissa (raitajohtorakenne) s\u00e4teilyn h\u00e4iri\u00f6iden minimoimiseksi.<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"32_Avoid_Common_Mistakes\"><\/span>3.2 V\u00e4lt\u00e4 yleisi\u00e4 virheit\u00e4<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Ter\u00e4v\u00e4kulmaiset j\u00e4ljet<\/strong>: Korvaa 45\u00b0 tai kaarevilla kulmilla impedanssin ep\u00e4jatkuvuuksien v\u00e4hent\u00e4miseksi.<\/li>\n\n<li><strong>Valmistajan palautteen huomiotta j\u00e4tt\u00e4minen<\/strong>: Vahvista prosessin kyvykkyysasiakirjat (esim. minimiaukko, j\u00e4ljen leveyden toleranssit) ennen suunnitelmien viimeistely\u00e4.<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"33_Cost_Balancing\"><\/span>3.3 Kustannusten tasapainottaminen<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Priorisoi ei-kriittisten signaalien rentouttaminen.<\/strong>: K\u00e4yt\u00e4 8-10 millimetrin j\u00e4ljen leveytt\u00e4 yleisille I\/O-signaaleille, jotta voit s\u00e4\u00e4st\u00e4\u00e4 tilaa kriittisille poluille.<\/li><\/ul><p>Piirilevyn j\u00e4ljitysleveyden ja -v\u00e4lien optimointi edellytt\u00e4\u00e4 s\u00e4hk\u00f6isen suorituskyvyn, prosessirajoitusten ja kustannusten tasapainottamista. <strong>4 mil\/4 mil<\/strong> on useimpien korkean tiheyden malleissa paras vaihtoehto, kun taas <strong>2 mil\/2 mil<\/strong> on varattu huippuluokan HDI-sovelluksia varten. Suunnittelun alkuvaiheessa olisi k\u00e4ytett\u00e4v\u00e4 laskentaty\u00f6kaluja nykyisten vaatimusten tarkistamiseksi ja oltava yhteydess\u00e4 valmistajiin tuotantokelpoisuuden varmistamiseksi.<\/p><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\/07\/PCB-line-width-1.jpg\" alt=\"PCB-viivan leveys\" class=\"wp-image-3730\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/PCB-line-width-1.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/PCB-line-width-1-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/PCB-line-width-1-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_PCB_Design_Spacing_Specifications\"><\/span>4. PCB-suunnittelun spacing-spesifikaatiot<span class=\"ez-toc-section-end\"><\/span><\/h2><h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Traces\"><\/span><strong>1. J\u00e4ljet<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4><ul class=\"wp-block-list\"><li><strong>Min. Leveys<\/strong>: 5mil (0.127mm)<\/li>\n\n<li><strong>Min. V\u00e4li<\/strong>: 5mil (0.127mm)<\/li>\n\n<li><strong>J\u00e4lki hallituksen reunaan<\/strong>: \u22650.3mm (20mil)<\/li><\/ul><h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Vias\"><\/span><strong>2. Viat<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4><ul class=\"wp-block-list\"><li><strong>Min. Rei\u00e4n koko<\/strong>: 0.3mm (12mil)<\/li>\n\n<li><strong>Tyynyn renkaan leveys<\/strong>: \u22656mil (0,153mm)<\/li>\n\n<li><strong>Via-to-Via-v\u00e4li<\/strong>: \u22656mil (reunasta reunaan)<\/li>\n\n<li><strong>Via to Board Edge<\/strong>: \u22650.508mm (20mil)<\/li><\/ul><h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_PTH_Pads_Plated_Through-Holes\"><\/span><strong>3. PTH-tyynyt (platatut l\u00e4pivientirei\u00e4t)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4><ul class=\"wp-block-list\"><li><strong>Min. Rei\u00e4n koko<\/strong>: \u22650.2mm suurempi kuin komponentin johto.<\/li>\n\n<li><strong>Tyynyn renkaan leveys<\/strong>: \u22650.2mm (8mil)<\/li>\n\n<li><strong>Reik\u00e4-reik\u00e4-v\u00e4li<\/strong>: \u22650,3 mm (reunasta reunaan)<\/li>\n\n<li><strong>Pad to Board Edge<\/strong>: \u22650.508mm (20mil)<\/li><\/ul><h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_Solder_Mask\"><\/span><strong>4. Juotosmaski<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4><ul class=\"wp-block-list\"><li><strong>PTH\/SMD Avaaminen<\/strong>: \u22650,1mm (4mil) v\u00e4lys<\/li><\/ul><h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_Silkscreen_Text\"><\/span><strong>5. Silkkipaino (teksti)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4><ul class=\"wp-block-list\"><li><strong>Min. Viivan leveys<\/strong>: 6mil (0.153mm)<\/li>\n\n<li><strong>Min. Korkeus<\/strong>: 32mil (0.811mm)<\/li><\/ul><h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"6_Non-Plated_Slots\"><\/span><strong>6. Ei-plattioidut l\u00e4ht\u00f6paikat<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4><ul class=\"wp-block-list\"><li><strong>Min. V\u00e4li<\/strong>: \u22651.6mm<\/li><\/ul><h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"7_Panelization\"><\/span><strong>7. Panelointi<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4><ul class=\"wp-block-list\"><li><strong>V\u00e4lys (1,6 mm:n levy)<\/strong>: \u22651.6mm<\/li>\n\n<li><strong>V-leikkaus\/ei v\u00e4li\u00e4<\/strong>: ~0.5mm<\/li>\n\n<li><strong>Process Edge<\/strong>: \u22655mm<\/li><\/ul><p><\/p>","protected":false},"excerpt":{"rendered":"<p>Mit\u00e4 ovat PCB-piirilevyn j\u00e4ljitysleveys ja j\u00e4ljitysv\u00e4li? Painetun piirilevyn (PCB) suunnittelussa raideleveys ja raidev\u00e4li ovat kaksi perustavanlaatuista mutta kriittist\u00e4 parametria: 1. Teollisuusstandardien mukaiset v\u00e4himm\u00e4isj\u00e4ljen leveydet ja -v\u00e4lit 1.1 Tavanomaiset prosessikapasiteetit 1.2 Kehittyneet prosessit (HDI) 1.3 \u00c4\u00e4rimm\u00e4iset haasteet 2. Piirilevyjen leveys ja -v\u00e4li. Nelj\u00e4 keskeist\u00e4 tekij\u00e4\u00e4, jotka vaikuttavat j\u00e4ljen leveyden ja -v\u00e4lien valintaan 2.1 Virran kantavuus [&hellip;]<\/p>","protected":false},"author":1,"featured_media":3731,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[112],"tags":[110,332],"class_list":["post-3727","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge","tag-pcb-design","tag-pcb-line-width"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Minimum line width and line spacing for PCB - Topfastpcb<\/title>\n<meta name=\"description\" content=\"Design specifications for minimum line width and line spacing on PCB circuit boards, including manufacturing process limitations, current carrying capacity, signal integrity optimization, and cost considerations, to ensure high-performance circuit board design.\" \/>\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\/minimum-line-width-and-line-spacing-for-pcb-circuit-boards\/\" \/>\n<meta property=\"og:locale\" content=\"fi_FI\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Minimum line width and line spacing for PCB - 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