{"id":5584,"date":"2026-05-04T08:29:00","date_gmt":"2026-05-04T00:29:00","guid":{"rendered":"https:\/\/www.topfastpcb.com\/?p=5584"},"modified":"2026-04-30T16:55:34","modified_gmt":"2026-04-30T08:55:34","slug":"pcb-surface-finish-enig-vs-hasl-osp","status":"publish","type":"post","link":"https:\/\/www.topfastpcb.com\/fi\/blog\/pcb-surface-finish-enig-vs-hasl-osp\/","title":{"rendered":"PCB-pintak\u00e4sittelyt selitetty: OSP: ENIG vs HASL vs OSP"},"content":{"rendered":"<p>Oikean PCB-pintak\u00e4sittelyn valitseminen on kriittinen p\u00e4\u00e4t\u00f6s PCB-valmistuksessa.<\/p><p>Se vaikuttaa suoraan:<\/p><ul class=\"wp-block-list\"><li>juotettavuus<\/li>\n\n<li>luotettavuus<\/li>\n\n<li>kustannukset<\/li>\n\n<li>kokoonpanon suorituskyky<\/li><\/ul><p>Saatavilla olevista monista vaihtoehdoista kolmea viimeistely\u00e4 k\u00e4ytet\u00e4\u00e4n yleisimmin:<\/p><ul class=\"wp-block-list\"><li><a href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/enig-electroless-nickel-immersion-gold-process\/\">ENIG<\/a><\/li>\n\n<li><a href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/pcb-hasl-and-lead-free-hasl-processes\/\">HASL<\/a><\/li>\n\n<li><a href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/pcb-osp-surface-treatment-process\/\">OSP<\/a><\/li><\/ul><p>Niiden erojen ymm\u00e4rt\u00e4minen auttaa sinua tekem\u00e4\u00e4n parempia suunnittelu- ja hankintap\u00e4\u00e4t\u00f6ksi\u00e4.<\/p><p>Jos arvioit valmistuskapasiteettia: <strong><a href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/pcb-factory-capabilities-explained\/\">PCB Factory Capabilities selitetty<\/a><\/strong><\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"707\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/04\/topfast-pcb-e1777531263361-1024x707.jpg\" alt=\"topfast pcb\" class=\"wp-image-5571\" style=\"width:600px\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/04\/topfast-pcb-e1777531263361-1024x707.jpg 1024w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/04\/topfast-pcb-e1777531263361-300x207.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/04\/topfast-pcb-e1777531263361-768x530.jpg 768w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/04\/topfast-pcb-e1777531263361-18x12.jpg 18w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/04\/topfast-pcb-e1777531263361-600x414.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/04\/topfast-pcb-e1777531263361.jpg 1065w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div><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\/pcb-surface-finish-enig-vs-hasl-osp\/#What_Is_a_PCB_Surface_Finish\" >Mik\u00e4 on PCB-pintak\u00e4sittely?<\/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\/pcb-surface-finish-enig-vs-hasl-osp\/#Main_purposes\" >T\u00e4rkeimm\u00e4t tarkoitukset<\/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\/pcb-surface-finish-enig-vs-hasl-osp\/#Overview_of_Common_PCB_Surface_Finishes\" >Yleiskatsaus yleisiin PCB-pintak\u00e4sittelyihin<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/pcb-surface-finish-enig-vs-hasl-osp\/#ENIG_Electroless_Nickel_Immersion_Gold\" >ENIG (Electroless Nickel Immersion Gold)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/pcb-surface-finish-enig-vs-hasl-osp\/#What_it_is\" >Mik\u00e4 se on<\/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\/pcb-surface-finish-enig-vs-hasl-osp\/#Advantages\" >Edut<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/pcb-surface-finish-enig-vs-hasl-osp\/#Disadvantages\" >HaitatN\/OFF)<\/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\/pcb-surface-finish-enig-vs-hasl-osp\/#Typical_applications\" >Tyypilliset sovellukset<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/pcb-surface-finish-enig-vs-hasl-osp\/#HASL_Hot_Air_Solder_Leveling\" >HASL (kuumailmajuotos tasoitus)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/pcb-surface-finish-enig-vs-hasl-osp\/#What_it_is-2\" >Mik\u00e4 se on<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/pcb-surface-finish-enig-vs-hasl-osp\/#Advantages-2\" >Edut<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/pcb-surface-finish-enig-vs-hasl-osp\/#Disadvantages-2\" >HaitatN\/OFF)<\/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\/pcb-surface-finish-enig-vs-hasl-osp\/#Typical_applications-2\" >Tyypilliset sovellukset<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/pcb-surface-finish-enig-vs-hasl-osp\/#OSP_Organic_Solderability_Preservative\" >OSP (orgaaninen juotettavuuden s\u00e4il\u00f6nt\u00e4aine)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/pcb-surface-finish-enig-vs-hasl-osp\/#What_it_is-3\" >Mik\u00e4 se on<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/pcb-surface-finish-enig-vs-hasl-osp\/#Advantages-3\" >Edut<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/pcb-surface-finish-enig-vs-hasl-osp\/#Disadvantages-3\" >HaitatN\/OFF)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/pcb-surface-finish-enig-vs-hasl-osp\/#Typical_applications-3\" >Tyypilliset sovellukset<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/pcb-surface-finish-enig-vs-hasl-osp\/#ENIG_vs_HASL_vs_OSP_Key_Differences\" >ENIG vs HASL vs OSP: t\u00e4rkeimm\u00e4t erot<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/pcb-surface-finish-enig-vs-hasl-osp\/#1_Flatness\" >1. Tasaisuus<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/pcb-surface-finish-enig-vs-hasl-osp\/#2_Cost\" >2. Kustannukset<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/pcb-surface-finish-enig-vs-hasl-osp\/#3_Reliability\" >3. Luotettavuus<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/pcb-surface-finish-enig-vs-hasl-osp\/#4_Assembly_Compatibility\" >4. Kokoonpanon yhteensopivuus<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/pcb-surface-finish-enig-vs-hasl-osp\/#How_to_Choose_the_Right_PCB_Surface_Finish\" >Kuinka valita oikea PCB-pintak\u00e4sittely<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/pcb-surface-finish-enig-vs-hasl-osp\/#How_Surface_Finish_Affects_PCB_Cost\" >Miten pintak\u00e4sittely vaikuttaa PCB-kustannuksiin<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/pcb-surface-finish-enig-vs-hasl-osp\/#Manufacturing_Considerations\" >Valmistukseen liittyv\u00e4t seikat<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/pcb-surface-finish-enig-vs-hasl-osp\/#Common_Mistakes_When_Choosing_Surface_Finish\" >Yleiset virheet pintak\u00e4sittely\u00e4 valittaessa<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/pcb-surface-finish-enig-vs-hasl-osp\/#Choosing_ENIG_for_all_projects\" >ENIGin valinta kaikkiin hankkeisiin<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/pcb-surface-finish-enig-vs-hasl-osp\/#Using_HASL_for_fine-pitch_designs\" >HASL:n k\u00e4ytt\u00e4minen hienojakoisiin malleihin<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/pcb-surface-finish-enig-vs-hasl-osp\/#Ignoring_shelf_life\" >S\u00e4ilyvyysajan huomiotta j\u00e4tt\u00e4minen<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/pcb-surface-finish-enig-vs-hasl-osp\/#How_PCB_Factories_Help_You_Choose\" >Miten PCB-tehtaat auttavat sinua valitsemaan<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/pcb-surface-finish-enig-vs-hasl-osp\/#Conclusion\" >P\u00e4\u00e4telm\u00e4<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-33\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/pcb-surface-finish-enig-vs-hasl-osp\/#FAQ\" >FAQ<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Is_a_PCB_Surface_Finish\"><\/span>Mik\u00e4 on PCB-pintak\u00e4sittely?<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Pintak\u00e4sittely levitet\u00e4\u00e4n piirilevyn alttiisiin kuparityynyihin.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Main_purposes\"><\/span>T\u00e4rkeimm\u00e4t tarkoitukset<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>est\u00e4\u00e4 hapettumista<\/li>\n\n<li>varmistaa hyv\u00e4n juotettavuuden<\/li>\n\n<li>Suojaa kuparia varastoinnin aikana<\/li><\/ul><p>Ilman pintak\u00e4sittely\u00e4 kupari hapettuisi nopeasti ja siit\u00e4 tulisi vaikeasti juotettava.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Overview_of_Common_PCB_Surface_Finishes\"><\/span>Yleiskatsaus yleisiin PCB-pintak\u00e4sittelyihin<span class=\"ez-toc-section-end\"><\/span><\/h2><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Viimeistely<\/th><th>Tyyppi<\/th><th>Kustannukset<\/th><th>Tasaisuus<\/th><th>S\u00e4ilyvyys<\/th><\/tr><\/thead><tbody><tr><td>ENIG<\/td><td>Kemialliset<\/td><td>Korkea<\/td><td>Erinomainen<\/td><td>Pitk\u00e4<\/td><\/tr><tr><td>HASL<\/td><td>Kuuma ilma<\/td><td>Matala<\/td><td>Kohtalainen<\/td><td>Medium<\/td><\/tr><tr><td>OSP<\/td><td>Orgaaninen<\/td><td>Matala<\/td><td>Hyv\u00e4<\/td><td>Lyhyt<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ENIG_Electroless_Nickel_Immersion_Gold\"><\/span>ENIG (Electroless Nickel Immersion Gold)<span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_it_is\"><\/span>Mik\u00e4 se on<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Kemiallinen prosessi, jossa kerrostuu:<\/p><ul class=\"wp-block-list\"><li>nikkelikerros<\/li>\n\n<li>ohut kultakerros<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Advantages\"><\/span>Edut<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>erinomainen tasaisuus (ihanteellinen hienojakoisille komponenteille)<\/li>\n\n<li>vahva hapettumiskest\u00e4vyys<\/li>\n\n<li>pitk\u00e4 s\u00e4ilyvyysaika<\/li>\n\n<li>hyv\u00e4 korkean luotettavuuden sovelluksiin<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Disadvantages\"><\/span>HaitatN\/OFF)<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>korkeammat kustannukset<\/li>\n\n<li>monimutkaisempi prosessi<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Typical_applications\"><\/span>Tyypilliset sovellukset<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>BGA-komponentit<\/li>\n\n<li>korkean tiheyden piirilevyt<\/li>\n\n<li>huippuluokan elektroniikka<\/li><\/ul><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"HASL_Hot_Air_Solder_Leveling\"><\/span>HASL (kuumailmajuotos tasoitus)<span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_it_is-2\"><\/span>Mik\u00e4 se on<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Sulaa juotetta levitet\u00e4\u00e4n ja tasoitetaan kuumalla ilmalla.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Advantages-2\"><\/span>Edut<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>alhaiset kustannukset<\/li>\n\n<li>laajalti saatavilla<\/li>\n\n<li>vankka juotettavuus<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Disadvantages-2\"><\/span>HaitatN\/OFF)<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>ep\u00e4tasainen pinta<\/li>\n\n<li>ei sovellu hienojakoisille komponenteille<\/li>\n\n<li>mahdollinen l\u00e4mp\u00f6stressi<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Typical_applications-2\"><\/span>Tyypilliset sovellukset<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>kulutuselektroniikka<\/li>\n\n<li>yksinkertaiset PCB-mallit<\/li>\n\n<li>kustannusherk\u00e4t hankkeet<\/li><\/ul><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"445\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/04\/PCB-Factory-5-1.jpg\" alt=\"PCB-tehdas\" class=\"wp-image-5585\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/04\/PCB-Factory-5-1.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/04\/PCB-Factory-5-1-300x223.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/04\/PCB-Factory-5-1-16x12.jpg 16w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"OSP_Organic_Solderability_Preservative\"><\/span>OSP (orgaaninen juotettavuuden s\u00e4il\u00f6nt\u00e4aine)<span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_it_is-3\"><\/span>Mik\u00e4 se on<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Kuparityynyihin levitet\u00e4\u00e4n ohut orgaaninen pinnoite.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Advantages-3\"><\/span>Edut<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>alhaiset kustannukset<\/li>\n\n<li>tasainen pinta<\/li>\n\n<li>ymp\u00e4rist\u00f6yst\u00e4v\u00e4llinen<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Disadvantages-3\"><\/span>HaitatN\/OFF)<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>lyhyt s\u00e4ilyvyysaika<\/li>\n\n<li>herkk\u00e4 k\u00e4sittelylle<\/li>\n\n<li>rajalliset j\u00e4lkity\u00f6mahdollisuudet<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Typical_applications-3\"><\/span>Tyypilliset sovellukset<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>suuren volyymin tuotanto<\/li>\n\n<li>lyhyen elinkaaren tuotteet<\/li><\/ul><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ENIG_vs_HASL_vs_OSP_Key_Differences\"><\/span>ENIG vs HASL vs OSP: t\u00e4rkeimm\u00e4t erot<span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Flatness\"><\/span>1. Tasaisuus<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>ENIG \u2192 paras<\/li>\n\n<li>OSP \u2192 hyv\u00e4<\/li>\n\n<li>HASL \u2192 ep\u00e4tasainen<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Cost\"><\/span>2. Kustannukset<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>HASL \u2192 alhaisin<\/li>\n\n<li>OSP \u2192 alhainen<\/li>\n\n<li>ENIG \u2192 korkein<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Reliability\"><\/span>3. Luotettavuus<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>ENIG \u2192 korkea<\/li>\n\n<li>HASL \u2192 kohtalainen<\/li>\n\n<li>OSP \u2192 pienempi (riippuu k\u00e4sittelyst\u00e4)<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_Assembly_Compatibility\"><\/span>4. Kokoonpanon yhteensopivuus<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>ENIG \u2192 ihanteellinen hienojakoisille<\/li>\n\n<li>HASL \u2192 rajoitettu<\/li>\n\n<li>OSP \u2192 sopiva mutta herkk\u00e4<\/li><\/ul><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_Choose_the_Right_PCB_Surface_Finish\"><\/span>Kuinka valita oikea PCB-pintak\u00e4sittely<span class=\"ez-toc-section-end\"><\/span><\/h2><div class=\"schema-how-to wp-block-yoast-how-to-block\"><p class=\"schema-how-to-description\"><\/p> <ol class=\"schema-how-to-steps\"><li class=\"schema-how-to-step\" id=\"how-to-step-1777539085811\"><strong class=\"schema-how-to-step-name\">Valitse ENIG, jos:<\/strong> <p class=\"schema-how-to-step-text\">Sinulla on hienojakoisia komponentteja<br\/>Tarvitset suurta luotettavuutta<br\/>Tuotteesi elinkaari on pitk\u00e4<\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-1777539095601\"><strong class=\"schema-how-to-step-name\">Valitse HASL, jos:<\/strong> <p class=\"schema-how-to-step-text\">Kustannukset ovat etusijalla<br\/>suunnittelu on yksinkertaista<br\/>ei hienojakoisia komponentteja<\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-1777539106840\"><strong class=\"schema-how-to-step-name\">Valitse OSP, jos:<\/strong> <p class=\"schema-how-to-step-text\">tarvitset edullisen + tasaisen pinnan<br\/>Tuotantom\u00e4\u00e4r\u00e4 on suuri <br\/>tuotteen elinkaari on lyhyt<\/p> <\/li><\/ol><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_Surface_Finish_Affects_PCB_Cost\"><\/span>Miten pintak\u00e4sittely vaikuttaa PCB-kustannuksiin<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Pintak\u00e4sittely on keskeinen hinnoittelutekij\u00e4.<\/p><ul class=\"wp-block-list\"><li>ENIG lis\u00e4\u00e4 kustannuksia merkitt\u00e4v\u00e4sti<\/li>\n\n<li>HASL on taloudellisin<\/li>\n\n<li>OSP tarjoaa tasapainon<\/li><\/ul><p>Hinnoittelutiedot: <strong><a href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/pcb-pricing-prototype-vs-production\/\">PCB-hinnoittelu selitetty: Prototyypist\u00e4 massatuotantoon<\/a><\/strong><\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Manufacturing_Considerations\"><\/span>Valmistukseen liittyv\u00e4t seikat<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Pintak\u00e4sittelyn valinta vaikuttaa valmistukseen:<\/p><ul class=\"wp-block-list\"><li>prosessin monimutkaisuus<\/li>\n\n<li>tuottoprosentti<\/li>\n\n<li>tarkastusvaatimukset<\/li><\/ul><p><a href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/inside-pcb-factory-manufacturing-process\/\"><strong>PCB-tehtaan sis\u00e4ll\u00e4: Vaiheittainen prosessi<\/strong><\/a><\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_Mistakes_When_Choosing_Surface_Finish\"><\/span>Yleiset virheet pintak\u00e4sittely\u00e4 valittaessa<span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Choosing_ENIG_for_all_projects\"><\/span>ENIGin valinta kaikkiin hankkeisiin<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Tarpeeton kustannusten nousu.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Using_HASL_for_fine-pitch_designs\"><\/span>HASL:n k\u00e4ytt\u00e4minen hienojakoisiin malleihin<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Johtaa kokoonpanoon liittyviin ongelmiin.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ignoring_shelf_life\"><\/span>S\u00e4ilyvyysajan huomiotta j\u00e4tt\u00e4minen<span class=\"ez-toc-section-end\"><\/span><\/h3><p>OSP voi heikenty\u00e4, jos sit\u00e4 s\u00e4ilytet\u00e4\u00e4n liian kauan.<\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"424\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/04\/PCB-Factory-6-1.jpg\" alt=\"PCB-tehdas\" class=\"wp-image-5586\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/04\/PCB-Factory-6-1.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/04\/PCB-Factory-6-1-300x212.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/04\/PCB-Factory-6-1-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_PCB_Factories_Help_You_Choose\"><\/span>Miten PCB-tehtaat auttavat sinua valitsemaan<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Ammattimainen PCB-tehdas arvioi:<\/p><ul class=\"wp-block-list\"><li>suunnitteluvaatimukset<\/li>\n\n<li>kokoonpanotarpeet<\/li>\n\n<li>kustannusrajoitukset<\/li><\/ul><p>PCB-valmistajilla, kuten <strong>TOPFAST<\/strong>, suunnittelutiimit suosittelevat yleens\u00e4 pintak\u00e4sittelyj\u00e4 todellisten valmistusolosuhteiden ja tuotevaatimusten perusteella.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>P\u00e4\u00e4telm\u00e4<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Piirilevyn pintak\u00e4sittelyll\u00e4 on ratkaiseva merkitys valmistuslaadun, kokoonpanon suorituskyvyn ja kokonaiskustannusten kannalta.<\/p><p>ENIG:ll\u00e4, HASL:ll\u00e4 ja OSP:ll\u00e4 on kullakin omat vahvuutensa ja rajoituksensa. Oikean pintak\u00e4sittelyn valinta riippuu suunnittelun monimutkaisuudesta, budjetista ja sovellusvaatimuksista.<\/p><p>N\u00e4iden erojen ymm\u00e4rt\u00e4minen antaa insin\u00f6\u00f6reille ja ostajille mahdollisuuden tehd\u00e4 tietoon perustuvia p\u00e4\u00e4t\u00f6ksi\u00e4 ja optimoida sek\u00e4 suorituskyky ett\u00e4 kustannukset.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"FAQ\"><\/span>FAQ<span class=\"ez-toc-section-end\"><\/span><\/h2><div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1777538904041\"><strong class=\"schema-faq-question\">K: Mik\u00e4 on paras PCB-pinnan viimeistely?<\/strong> <p class=\"schema-faq-answer\">V: Se riippuu sovelluksesta. ENIG on paras korkean luotettavuuden kannalta, kun taas HASL on kustannustehokkaampi.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1777538940148\"><strong class=\"schema-faq-question\">K: Onko ENIG parempi kuin HASL?<\/strong> <p class=\"schema-faq-answer\">V: ENIG tarjoaa paremman tasalaatuisuuden ja luotettavuuden, mutta se maksaa enemm\u00e4n.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1777538951407\"><strong class=\"schema-faq-question\">K: Miksi OSP on halvempi?<\/strong> <p class=\"schema-faq-answer\">V: OSP k\u00e4ytt\u00e4\u00e4 yksinkertaisempaa prosessia ja v\u00e4hemm\u00e4n materiaaleja, mik\u00e4 alentaa kustannuksia.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1777538968324\"><strong class=\"schema-faq-question\">K: Mik\u00e4 pintak\u00e4sittely on paras BGA:lle?<\/strong> <p class=\"schema-faq-answer\">V: ENIG on suositeltavampi sen tasaisen pinnan vuoksi.<\/p> <\/div> <\/div><p><\/p>","protected":false},"excerpt":{"rendered":"<p>Piirilevyn pintak\u00e4sittelyll\u00e4 on ratkaiseva merkitys juotettavuuden, luotettavuuden ja pitk\u00e4n aikav\u00e4lin suorituskyvyn kannalta. T\u00e4ss\u00e4 artikkelissa vertaillaan yleisimpi\u00e4 piirilevyn pintak\u00e4sittelyj\u00e4 - ENIG, HASL ja OSP - ja tarkastellaan niiden etuja, haittoja, kustannuksia ja tyypillisi\u00e4 sovelluksia. Se auttaa insin\u00f6\u00f6rej\u00e4 ja ostajia valitsemaan sopivimman pintak\u00e4sittelyn suunnitteluvaatimusten, budjetin ja tuotteen elinkaaren perusteella.<\/p>","protected":false},"author":1,"featured_media":3383,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[108],"tags":[266],"class_list":["post-5584","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-pcb-surface-finishes"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>PCB Surface Finishes Explained: ENIG vs HASL vs OSP Comparison Guide<\/title>\n<meta name=\"description\" content=\"Compare PCB surface finishes including ENIG, HASL, and OSP. 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