{"id":18229,"date":"2026-01-02T18:18:06","date_gmt":"2026-01-02T10:18:06","guid":{"rendered":"https:\/\/www.bestpcbs.com\/blog\/?p=18229"},"modified":"2026-01-02T18:18:45","modified_gmt":"2026-01-02T10:18:45","slug":"what-is-a-cold-solder-joint-meaning-symptoms-repair-prevention-guide","status":"publish","type":"post","link":"https:\/\/www.bestpcbs.com\/blog\/2026\/01\/what-is-a-cold-solder-joint-meaning-symptoms-repair-prevention-guide\/","title":{"rendered":"What Is a Cold Solder Joint? Meaning, Symptoms, Repair &amp; Prevention Guide"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 ez-toc-wrap-left counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/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.bestpcbs.com\/blog\/2026\/01\/what-is-a-cold-solder-joint-meaning-symptoms-repair-prevention-guide\/#What_Is_a_Cold_Solder_Joint\" >What Is a Cold Solder Joint?<\/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.bestpcbs.com\/blog\/2026\/01\/what-is-a-cold-solder-joint-meaning-symptoms-repair-prevention-guide\/#Do_Cold_Solder_Joints_Still_Work\" >Do Cold Solder Joints Still Work?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/01\/what-is-a-cold-solder-joint-meaning-symptoms-repair-prevention-guide\/#Cold_Solder_Joint_Symptoms\" >Cold Solder Joint Symptoms<\/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.bestpcbs.com\/blog\/2026\/01\/what-is-a-cold-solder-joint-meaning-symptoms-repair-prevention-guide\/#What_Is_the_Difference_Between_a_Cold_Solder_Joint_and_a_Good_Solder_Joint\" >What Is the Difference Between a Cold Solder Joint and a Good Solder Joint?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/01\/what-is-a-cold-solder-joint-meaning-symptoms-repair-prevention-guide\/#How_to_Identify_a_Cold_Solder_Joint\" >How to Identify a Cold Solder Joint?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/01\/what-is-a-cold-solder-joint-meaning-symptoms-repair-prevention-guide\/#Are_Cold_Joints_Acceptable\" >Are Cold Joints Acceptable?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/01\/what-is-a-cold-solder-joint-meaning-symptoms-repair-prevention-guide\/#What_Causes_a_Cold_Solder_Joint\" >What Causes a Cold Solder Joint?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/01\/what-is-a-cold-solder-joint-meaning-symptoms-repair-prevention-guide\/#What_Are_the_Risks_of_Cold_Joints\" >What Are the Risks of Cold Joints?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/01\/what-is-a-cold-solder-joint-meaning-symptoms-repair-prevention-guide\/#How_to_Fix_a_Cold_Solder_Joint\" >How to Fix a Cold Solder Joint?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/01\/what-is-a-cold-solder-joint-meaning-symptoms-repair-prevention-guide\/#How_to_Avoid_Cold_Solder_Joints\" >How to Avoid Cold Solder Joints?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/01\/what-is-a-cold-solder-joint-meaning-symptoms-repair-prevention-guide\/#FAQ_About_Cold_Solder_Joint\" >FAQ About Cold Solder Joint<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/01\/what-is-a-cold-solder-joint-meaning-symptoms-repair-prevention-guide\/#When_to_Consult_a_Professional_or_a_PCBA_Manufacturer\" >When to Consult a Professional or a PCBA Manufacturer?<\/a><\/li><\/ul><\/nav><\/div>\n<div class=\"yzp-no-index\"><\/div>\n<p>A cold solder joint is one of the most common reliability defects in PCB and <a href=\"https:\/\/www.bestpcbs.com\/products\/pcba.htm\" title=\"\">PCBA assemblies<\/a>, and it continues to be a major source of intermittent failures across consumer electronics, industrial controls, medical devices, automotive modules, and aerospace hardware. At <a href=\"https:\/\/www.bestpcbs.com\/\" title=\"\">Best Technology<\/a>, we see the long-term consequences of cold joints in incoming failure analyses from global customers\u2014especially in assemblies where stable conductivity and mechanical strength are critical.<\/p>\n\n\n\n<p>With 19 years of PCBA production experience across <strong>China and Vietnam<\/strong>, medical-grade and aerospace-grade certifications, and MES-controlled SMT lines, we understand how cold solder joints emerge, how to eliminate them, and how to engineer assemblies that remain stable throughout the product life cycle.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Is_a_Cold_Solder_Joint\"><\/span>What Is a Cold Solder Joint?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>A <a href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/01\/what-is-a-cold-solder-joint-meaning-symptoms-repair-prevention-guide\/\">cold solder joint<\/a> forms when solder does not melt or wet the pad and component lead completely. Instead of creating a unified bond, the solder cools prematurely or never flows correctly, resulting in a dull, grainy, or uneven connection.<\/p>\n\n\n\n<p>In the PCBA environment, cold joints are considered a process defect because they weaken the mechanical integrity of a soldered connection and create unstable electrical performance that deteriorates over time.<\/p>\n\n\n\n<p>In high-reliability sectors\u2014medical, industrial, aerospace\u2014these defects are unacceptable and must be removed at the root cause: temperature control, surface condition, solder alloy behavior, and wetting characteristics.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2026\/01\/924daf44f1f44516a9f5c0f799359a69.png\"><img decoding=\"async\" src=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2026\/01\/924daf44f1f44516a9f5c0f799359a69.png\" alt=\"What Is a Cold Solder Joint? Meaning, Symptoms, Repair &amp; Prevention Guide\" class=\"wp-image-18259\"\/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Do_Cold_Solder_Joints_Still_Work\"><\/span>Do Cold Solder Joints Still Work?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Temporarily, yes. Reliably, no. A cold solder joint may appear functional during a quick test, then fail:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>When the board heats during normal operation<\/li>\n\n\n\n<li>When vibration or slight mechanical stress occurs<\/li>\n\n\n\n<li>When humidity or temperature cycles change contact resistance<\/li>\n\n\n\n<li>When current load increases<\/li>\n<\/ul>\n\n\n\n<p>This unstable behavior is what makes cold joints one of the most misdiagnosed failure sources. Many customers approach Best Technology believing they have a \u201ccomponent issue\u201d or \u201cfirmware bug,\u201d when the real cause is inconsistent solder metallurgy.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cold_Solder_Joint_Symptoms\"><\/span>Cold Solder Joint Symptoms<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>From a PCBA viewpoint, cold joints create early-life failures that escalate under stress. Common symptoms include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Intermittent booting or power instability<\/li>\n\n\n\n<li>Flickering LEDs, displays, or inconsistent sensor readings<\/li>\n\n\n\n<li>Weak or noisy signals in communication lines<\/li>\n\n\n\n<li>Overheating around a soldered component<\/li>\n\n\n\n<li>Boards that only work when pressed or tapped<\/li>\n\n\n\n<li>Modules that behave differently under temperature changes<\/li>\n<\/ul>\n\n\n\n<p>During incoming quality analysis at <a href=\"https:\/\/www.bestpcbs.com\/\" title=\"\">Best Technology<\/a>, we often find that unstable BGA balls, hand-soldered connectors, and TH pins are common locations for cold joints.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2026\/01\/588fddf3fc82465093707a31de3c9fa2.png\"><img decoding=\"async\" src=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2026\/01\/588fddf3fc82465093707a31de3c9fa2.png\" alt=\"Cold Solder Joint Symptoms\" class=\"wp-image-18261\"\/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Is_the_Difference_Between_a_Cold_Solder_Joint_and_a_Good_Solder_Joint\"><\/span>What Is the Difference Between a Cold Solder Joint and a Good Solder Joint?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>A good solder joint creates a smooth, bright, and uniform connection that wraps around the lead with full wetting.<\/p>\n\n\n\n<p>A cold joint typically shows:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A dull or matte finish<\/li>\n\n\n\n<li>Crystalline or grainy texture<\/li>\n\n\n\n<li>A ring fracture around the lead<\/li>\n\n\n\n<li>A small gap between solder and pad<\/li>\n\n\n\n<li>Solder balled up instead of flowing<\/li>\n<\/ul>\n\n\n\n<p>Experienced technicians immediately recognize these visual cues because they suggest weak mechanical support and unstable electrical conductivity.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_Identify_a_Cold_Solder_Joint\"><\/span>How to Identify a Cold Solder Joint?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Both technicians and advanced PCBA factories rely on a few inspection methods:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Bright-light and angled inspection to reveal dull or frosted surfaces<\/li>\n\n\n\n<li>Magnification to highlight cracks or gaps<\/li>\n\n\n\n<li>Gentle mechanical pressure to detect movement<\/li>\n\n\n\n<li>Thermal testing to expose resistance changes under heat<\/li>\n\n\n\n<li>AOI or X-ray for lead-free and hidden joints<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2026\/01\/c16720625aa8464a83e34067968afcb0.png\"><img decoding=\"async\" src=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2026\/01\/c16720625aa8464a83e34067968afcb0.png\" alt=\"How to Identify a Cold Solder Joint?\" class=\"wp-image-18260\"\/><\/a><\/figure>\n\n\n\n<p>In Best Technology\u2019s MES-controlled lines, each soldering step\u2014including reflow, wave, and selective solder\u2014is tied to traceable profiles, making it easier to isolate and prevent cold joints during future builds.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Are_Cold_Joints_Acceptable\"><\/span>Are Cold Joints Acceptable?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>No. Cold solder joints are never acceptable<\/strong> in professional electronics.<\/p>\n\n\n\n<p>They violate:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>IPC-A-610 standards<\/li>\n\n\n\n<li>Reliability requirements<\/li>\n\n\n\n<li>Safety and quality regulations<\/li>\n<\/ul>\n\n\n\n<p>Even in low-cost consumer electronics, cold joints significantly reduce product lifespan and reliability.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Causes_a_Cold_Solder_Joint\"><\/span>What Causes a Cold Solder Joint?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Cold solder joints originate from several process-related or operator-related factors:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Insufficient soldering temperature<\/li>\n\n\n\n<li>Iron tip or nozzle unable to deliver stable heat<\/li>\n\n\n\n<li>Oxidized pads, leads, or old components<\/li>\n\n\n\n<li>Expired or poorly stored solder paste<\/li>\n\n\n\n<li>Flux burnout or inadequate flux coating<\/li>\n\n\n\n<li>Component movement during cooling<\/li>\n\n\n\n<li>Large copper areas absorbing heat too fast<\/li>\n\n\n\n<li>Incorrect reflow curve in SMT production<\/li>\n<\/ul>\n\n\n\n<p>With our dual factories in China and Vietnam, Best Technology maintains strict humidity control, paste storage, stencil management, and reflow calibration\u2014reducing these risks dramatically.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Are_the_Risks_of_Cold_Joints\"><\/span>What Are the Risks of Cold Joints?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Cold solder joints introduce cascading reliability issues:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Intermittent electrical contact<\/li>\n\n\n\n<li>Overheating of stressed joints<\/li>\n\n\n\n<li>Noise, distortion, or unstable signals<\/li>\n\n\n\n<li>Sudden shutdowns during operation<\/li>\n\n\n\n<li>Premature component failure<\/li>\n\n\n\n<li>Total system outages in critical environments<\/li>\n<\/ul>\n\n\n\n<p>In medical, industrial, and <a href=\"https:\/\/www.bestpcbs.com\/blog\/2024\/10\/aerospace-pcb-assembly-guide-pcba-box-building\/\" title=\"\">aerospace PCBAs<\/a>, even a single cold joint is considered a critical defect (CD level). Best Technology screens aggressively to ensure these defects never leave the factory.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_Fix_a_Cold_Solder_Joint\"><\/span>How to Fix a Cold Solder Joint?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Repair is direct, but must be done properly:<\/p>\n\n\n\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-1 wp-block-group-is-layout-flex\">\n<p>1. Clean the joint with isopropyl alcohol.<\/p>\n\n\n\n<p>2. Apply quality flux to re-activate the surface.<\/p>\n\n\n\n<p>3. Reheat the joint until solder melts fully.<\/p>\n\n\n\n<p>4. Add a small amount of fresh solder if needed.<\/p>\n\n\n\n<p>5. Allow full cooling without movement.<\/p>\n\n\n\n<p>6. Inspect visually to ensure proper fillet and wetting.<\/p>\n<\/div>\n\n\n\n<p>For SMD components (QFN, BGA, LGA), reflow or hot-air rework ensures even heating.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_Avoid_Cold_Solder_Joints\"><\/span>How to Avoid Cold Solder Joints?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Prevention stems from controlled process engineering:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Use calibrated, temperature-controlled soldering equipment<\/li>\n\n\n\n<li>Maintain component and PCB cleanliness<\/li>\n\n\n\n<li>Follow correct reflow temperature profiles<\/li>\n\n\n\n<li>Apply flux or paste with proper wetting characteristics<\/li>\n\n\n\n<li>Preheat heavy copper boards<\/li>\n\n\n\n<li>Avoid vibration during cooling<\/li>\n\n\n\n<li>Use AOI\/X-ray to verify solder integrity<\/li>\n\n\n\n<li>Enforce operator training and certification<\/li>\n<\/ul>\n\n\n\n<p>At Best Technology, these practices are embedded into MES workflows, ensuring traceability and repeatability\u2014from prototype to mass production.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"FAQ_About_Cold_Solder_Joint\"><\/span>FAQ About Cold Solder Joint<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>1. Can flux prevent cold solder joints?<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\"><\/ol>\n\n\n\n<p>Flux improves wetting, but without proper temperature, cold joints still occur.<\/p>\n\n\n\n<p><strong>2. Can a cold solder joint cause a short?<\/strong><\/p>\n\n\n\n<p>Yes. Cracking or partial bonding may create unintended bridges.<\/p>\n\n\n\n<p><strong>3. Why are cold solder joints more common in lead-free solder?<\/strong><\/p>\n\n\n\n<p>Lead-free alloys require higher melting temperatures and tighter process control.<\/p>\n\n\n\n<p><strong>4. Can a multimeter detect a cold solder joint?<\/strong><\/p>\n\n\n\n<p>Sometimes, but intermittent faults often remain hidden until the board is heated or flexed.<\/p>\n\n\n\n<p><strong>5. Can reheating permanently fix a cold solder joint?<\/strong><\/p>\n\n\n\n<p>If the pad and lead are clean and properly wetted, reheating provides a permanent repair.<\/p>\n\n\n\n<p><strong>6. Do professional PCBA manufacturers still encounter cold joints?<\/strong><\/p>\n\n\n\n<p>Rarely, but only because inspection systems, controlled processes, and trained operators keep solder quality consistent.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"When_to_Consult_a_Professional_or_a_PCBA_Manufacturer\"><\/span>When to Consult a Professional or a PCBA Manufacturer?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>If your board shows repeated failures, unstable behavior, or numerous questionable joints, professional evaluation is the safest choice. Best Technology supports global customers with:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>In-house FA (failure analysis)<\/li>\n\n\n\n<li>X-ray and AOI inspection<\/li>\n\n\n\n<li>Controlled reflow soldering<\/li>\n\n\n\n<li>Medical-grade and aerospace-grade quality systems<\/li>\n\n\n\n<li>MES-tracked production across China and Vietnam<\/li>\n<\/ul>\n\n\n\n<p>Whether you need prototype repair, DFX recommendations, or full PCBA manufacturing, our engineering teams ensure solder reliability at every stage of the product life cycle.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A cold solder joint is one of the most common reliability defects in PCB and PCBA assemblies, and it continues to be a major source of intermittent failures across consumer electronics, industrial controls, medical devices, automotive modules, and aerospace hardware. At Best Technology, we see the long-term consequences of cold joints in incoming failure analyses [&hellip;]<\/p>\n","protected":false},"author":623,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[175,174,37,3,161,17],"tags":[752,1505,3408,3410,3409],"class_list":["post-18229","post","type-post","status-publish","format-standard","hentry","category-best-pcb","category-bestpcb","category-faq","category-pcb-news","category-pcba","category-smt-technology","tag-cold-solder-joint","tag-cold-solder-joint-causes","tag-cold-solder-joint-meaning","tag-cold-solder-joint-smt","tag-cold-solder-joint-symptoms"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/posts\/18229","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/users\/623"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/comments?post=18229"}],"version-history":[{"count":3,"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/posts\/18229\/revisions"}],"predecessor-version":[{"id":18263,"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/posts\/18229\/revisions\/18263"}],"wp:attachment":[{"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/media?parent=18229"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/categories?post=18229"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/tags?post=18229"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}