{"id":6369,"date":"2026-05-05T16:27:09","date_gmt":"2026-05-05T08:27:09","guid":{"rendered":"https:\/\/txjpcba.com\/?p=6369"},"modified":"2026-05-05T16:27:09","modified_gmt":"2026-05-05T08:27:09","slug":"what-is-selective-soldering-used-for","status":"publish","type":"post","link":"https:\/\/txjpcba.com\/fr\/what-is-selective-soldering-used-for\/","title":{"rendered":"What is selective soldering used for?"},"content":{"rendered":"<h2 data-section-id=\"sg4r14\" data-start=\"0\" data-end=\"43\"><span role=\"text\"><strong data-start=\"3\" data-end=\"43\">Is Selective Soldering Used For<\/strong><\/span><\/h2>\n<p data-start=\"45\" data-end=\"331\">Selective soldering is a specialized soldering process used in <a href=\"https:\/\/txjpcba.com\/fr\/assemblage-de-circuits-imprimes\/\"><strong data-start=\"108\" data-end=\"124\">Assemblage du circuit imprim\u00e9<\/strong><\/a> to solder specific through-hole components on a board without affecting surrounding areas. It is commonly applied in mixed-technology boards where both surface-mount and through-hole components are present.<\/p>\n<p data-start=\"333\" data-end=\"481\">This method is widely used in <strong data-start=\"363\" data-end=\"379\">Assemblage SMT<\/strong> environments and advanced <strong data-start=\"406\" data-end=\"430\">Assemblage de circuits imprim\u00e9s cl\u00e9s en main<\/strong> projects where precision and control are required.<\/p>\n<figure id=\"attachment_6370\" aria-describedby=\"caption-attachment-6370\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-6370\" src=\"https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/05\/What-is-selective-soldering-used-for.jpg\" alt=\"What is selective soldering used for\" width=\"800\" height=\"597\" srcset=\"https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/05\/What-is-selective-soldering-used-for.jpg 800w, https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/05\/What-is-selective-soldering-used-for-300x224.jpg 300w, https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/05\/What-is-selective-soldering-used-for-768x573.jpg 768w, https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/05\/What-is-selective-soldering-used-for-16x12.jpg 16w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-6370\" class=\"wp-caption-text\">What is selective soldering used for<\/figcaption><\/figure>\n<h2 data-section-id=\"i8qu9v\" data-start=\"483\" data-end=\"523\"><span role=\"text\"><strong data-start=\"486\" data-end=\"523\">Why Selective Soldering Is Needed<\/strong><\/span><\/h2>\n<p data-start=\"525\" data-end=\"725\">Dans les pays modernes <a href=\"https:\/\/txjpcba.com\/fr\/fabrication-de-circuits-imprimes\/\"><strong data-start=\"535\" data-end=\"556\">Fabrication de circuits imprim\u00e9s<\/strong><\/a>, most components are placed using SMT processes. However, certain components\u2014such as connectors, transformers, and large capacitors\u2014still require through-hole mounting.<\/p>\n<p data-start=\"727\" data-end=\"916\">Traditional wave soldering can expose the entire board to molten solder, which may damage sensitive SMT components. Selective soldering solves this problem by targeting only specific areas.<\/p>\n<p align=\"center\"><a href=\"\/fr\/obtenir-un-devis-pour-lassemblage-de-circuits-imprimes\/\"><button style=\"background: black; color: white; padding: 8px 20px; border: none; cursor: pointer;\">Obtenir un devis pour l'assemblage de circuits imprim\u00e9s<\/button><\/a><\/p>\n<h2 data-section-id=\"3fo19i\" data-start=\"918\" data-end=\"957\"><span role=\"text\"><strong data-start=\"921\" data-end=\"957\">Main Uses of Selective Soldering<\/strong><\/span><\/h2>\n<p data-start=\"959\" data-end=\"1012\">Selective soldering is used in several key scenarios.<\/p>\n<h3 data-section-id=\"1owdfbz\" data-start=\"1014\" data-end=\"1043\"><span role=\"text\"><strong data-start=\"1018\" data-end=\"1043\">Mixed Technology PCBs<\/strong><\/span><\/h3>\n<p data-start=\"1044\" data-end=\"1181\">When a PCB contains both SMT and through-hole components, selective soldering is used after reflow to solder only the through-hole parts.<\/p>\n<h3 data-section-id=\"1y5yud9\" data-start=\"1183\" data-end=\"1222\"><span role=\"text\"><strong data-start=\"1187\" data-end=\"1222\">Protecting Sensitive Components<\/strong><\/span><\/h3>\n<p data-start=\"1223\" data-end=\"1316\">It prevents heat or solder exposure to sensitive SMT components already mounted on the board.<\/p>\n<h3 data-section-id=\"1g6trw6\" data-start=\"1318\" data-end=\"1345\"><span role=\"text\"><strong data-start=\"1322\" data-end=\"1345\">Complex PCB Designs<\/strong><\/span><\/h3>\n<p data-start=\"1346\" data-end=\"1447\">For high-density or complex layouts, selective soldering provides better control than wave soldering.<\/p>\n<h3 data-section-id=\"1ucazr3\" data-start=\"1449\" data-end=\"1488\"><span role=\"text\"><strong data-start=\"1453\" data-end=\"1488\">Low to Medium Volume Production<\/strong><\/span><\/h3>\n<p data-start=\"1489\" data-end=\"1611\">It is suitable for flexible production environments where different PCB designs are processed in <a href=\"https:\/\/txjpcba.com\/fr\/assemblage-de-circuits-imprimes-cle-en-main\/\"><strong data-start=\"1586\" data-end=\"1610\">Assemblage de circuits imprim\u00e9s cl\u00e9s en main<\/strong><\/a>.<\/p>\n<h2 data-section-id=\"k2ow1i\" data-start=\"1613\" data-end=\"1649\"><span role=\"text\"><strong data-start=\"1616\" data-end=\"1649\">Comment fonctionne le brasage s\u00e9lectif<\/strong><\/span><\/h2>\n<p data-start=\"1651\" data-end=\"1707\">The process typically involves several controlled steps.<\/p>\n<p data-start=\"1709\" data-end=\"1760\">Flux is applied only to the target soldering areas.<\/p>\n<p data-start=\"1762\" data-end=\"1808\">The PCB is preheated to prepare for soldering.<\/p>\n<p data-start=\"1810\" data-end=\"1902\">A mini solder wave or soldering nozzle selectively applies molten solder to specific joints.<\/p>\n<p data-start=\"1904\" data-end=\"1979\">Each joint is soldered individually or in small groups with high precision.<\/p>\n<p data-start=\"1981\" data-end=\"2055\">This controlled approach ensures high-quality results in <strong data-start=\"2038\" data-end=\"2054\">Assemblage du circuit imprim\u00e9<\/strong>.<\/p>\n<h2 data-section-id=\"1rtsb8l\" data-start=\"2057\" data-end=\"2097\"><span role=\"text\"><strong data-start=\"2060\" data-end=\"2097\">Avantages du brasage s\u00e9lectif<\/strong><\/span><\/h2>\n<p data-start=\"2099\" data-end=\"2143\">Selective soldering offers several benefits.<\/p>\n<p data-start=\"2145\" data-end=\"2206\">High precision with minimal impact on surrounding components.<\/p>\n<p data-start=\"2208\" data-end=\"2252\">Reduced risk of solder bridging and defects.<\/p>\n<p data-start=\"2254\" data-end=\"2304\">Better thermal control compared to wave soldering.<\/p>\n<p data-start=\"2306\" data-end=\"2371\">Ideal for complex and high-reliability <strong data-start=\"2345\" data-end=\"2361\">Assemblage SMT<\/strong> projets.<\/p>\n<p data-start=\"2373\" data-end=\"2422\">Improved flexibility in <strong data-start=\"2397\" data-end=\"2421\">Assemblage de circuits imprim\u00e9s cl\u00e9s en main<\/strong>.<\/p>\n<h2 data-section-id=\"9xko6\" data-start=\"2424\" data-end=\"2465\"><span role=\"text\"><strong data-start=\"2427\" data-end=\"2465\">Limitations of Selective Soldering<\/strong><\/span><\/h2>\n<p data-start=\"2467\" data-end=\"2518\">Despite its advantages, there are some limitations.<\/p>\n<p data-start=\"2520\" data-end=\"2565\">Slower than wave soldering for large volumes.<\/p>\n<p data-start=\"2567\" data-end=\"2606\">Higher equipment and programming costs.<\/p>\n<p data-start=\"2608\" data-end=\"2656\">Requires careful process setup and optimization.<\/p>\n<h2 data-section-id=\"fv5r93\" data-start=\"2658\" data-end=\"2702\"><span role=\"text\"><strong data-start=\"2661\" data-end=\"2702\">Brasage s\u00e9lectif et brasage \u00e0 la vague<\/strong><\/span><\/h2>\n<p data-start=\"2704\" data-end=\"2796\">Selective soldering targets specific areas, while wave soldering processes the entire board.<\/p>\n<p data-start=\"2798\" data-end=\"2868\">Selective soldering is more precise and suitable for mixed assemblies.<\/p>\n<p data-start=\"2870\" data-end=\"2946\">Wave soldering is faster and better for high-volume through-hole production.<\/p>\n<h2 data-section-id=\"hnqv6\" data-start=\"2948\" data-end=\"2975\"><span role=\"text\"><strong data-start=\"2951\" data-end=\"2975\">Role in SMT Assembly<\/strong><\/span><\/h2>\n<p data-start=\"2977\" data-end=\"3059\">En <a href=\"https:\/\/txjpcba.com\/fr\/services-dassemblage-smt\/\"><strong data-start=\"2980\" data-end=\"2996\">Assemblage SMT<\/strong><\/a>, selective soldering is typically used after reflow soldering.<\/p>\n<p data-start=\"3061\" data-end=\"3202\">Once SMT components are soldered, selective soldering is applied to complete the through-hole connections without disturbing existing joints.<\/p>\n<h2 data-section-id=\"1hz5xg3\" data-start=\"3204\" data-end=\"3239\"><span role=\"text\"><strong data-start=\"3207\" data-end=\"3239\">Role in Turnkey PCB Assembly<\/strong><\/span><\/h2>\n<p data-start=\"3241\" data-end=\"3339\">En <strong data-start=\"3244\" data-end=\"3268\">Assemblage de circuits imprim\u00e9s cl\u00e9s en main<\/strong>, selective soldering is an essential step for handling complex boards.<\/p>\n<p data-start=\"3341\" data-end=\"3467\">It ensures that both SMT and through-hole components are assembled efficiently while maintaining high quality and reliability.<\/p>\n<h2 data-section-id=\"9dt57q\" data-start=\"3469\" data-end=\"3486\"><span role=\"text\"><strong data-start=\"3472\" data-end=\"3486\">Conclusion<\/strong><\/span><\/h2>\n<p data-start=\"3488\" data-end=\"3712\">Selective soldering is a critical process in modern electronics manufacturing, especially for mixed-technology PCBs. It provides precise, controlled soldering of through-hole components without affecting sensitive SMT parts.<\/p>\n<p data-start=\"3714\" data-end=\"3896\">En <strong data-start=\"3717\" data-end=\"3733\">Assemblage du circuit imprim\u00e9<\/strong>, <strong data-start=\"3735\" data-end=\"3751\">Assemblage SMT<\/strong>, et <strong data-start=\"3757\" data-end=\"3781\">Assemblage de circuits imprim\u00e9s cl\u00e9s en main<\/strong>, selective soldering plays a key role in achieving high-quality results for complex and high-reliability products.<\/p>\n<p align=\"center\"><a href=\"\/fr\/obtenir-un-devis-pour-lassemblage-de-circuits-imprimes\/\"><button style=\"background: black; color: white; padding: 8px 20px; border: none; cursor: pointer;\">Obtenir un devis pour l'assemblage de circuits imprim\u00e9s<\/button><\/a><\/p>\n<p style=\"text-align: center;\">Obtenez des conseils d'experts et des prix pr\u00e9cis en une seule \u00e9tape. Demandez votre devis d\u00e8s aujourd'hui.<br \/>\nNous fournissons des services professionnels d'assemblage de circuits imprim\u00e9s, y compris SMT, DIP et des solutions compl\u00e8tes cl\u00e9 en main.<\/p>\n<p style=\"text-align: center;\">\u2714 NDA disponible \u2714 Devis rapide sous 24 heures \u2714 Usine certifi\u00e9e ISO \u2714 Service unique de PCB et PCBA<\/p>","protected":false},"excerpt":{"rendered":"<p>Is Selective Soldering Used For Selective soldering is a specialized soldering process used in PCB Assembly to solder specific through-hole [&hellip;]<\/p>","protected":false},"author":1,"featured_media":6370,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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