{"id":1238,"date":"2023-09-19T01:42:13","date_gmt":"2023-09-19T01:42:13","guid":{"rendered":"https:\/\/www.anzer-usa.com\/resources\/?p=1238"},"modified":"2025-08-15T14:02:03","modified_gmt":"2025-08-15T14:02:03","slug":"compliant-pin-connection","status":"publish","type":"post","link":"https:\/\/www.anzer-usa.com\/resources\/compliant-pin-connection\/","title":{"rendered":"Compliant Pin Connection in PCB Assembly"},"content":{"rendered":"\n<p>A compliant pin connection refers to a specific electrical connection or terminal designed to be inserted into a <a href=\"https:\/\/www.anzer-usa.com\/resources\/pcb-plated-through-hole\/\">plated through-hole<\/a> on a PCB. These pins are sometimes called &#8220;press-fit pins&#8221; or &#8220;compliant connector pins.&#8221; Compliant pins are typically used in applications requiring a reliable and robust electrical connection.<\/p>\n\n\n\n<p>Here are some critical characteristics of compliant pins in PCB assembly:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Design for Press-Fit:<\/strong> Compliant pins must be press-fit into plated through-holes on a PCB. The pins have a slight interference fit with the holes, which means they are slightly larger in diameter than the holes. This press-fit connection ensures a secure and stable electrical connection.<br><\/li>\n\n\n\n<li><strong>Elastic Properties:<\/strong> Compliant pins are often made from materials with some elasticity, such as beryllium copper. This elasticity allows the pins to deform slightly when pressed into the PCB holes, creating a tight, gas-tight connection that remains stable even under temperature variations and mechanical stress.<br><\/li>\n\n\n\n<li><strong>High Reliability:<\/strong> Compliant pins are known for their high reliability, making them suitable for critical applications where consistent electrical performance is essential.<br><\/li>\n\n\n\n<li><strong>Reduced Soldering:<\/strong> Unlike traditional through-hole components that are soldered to the PCB, compliant pins do not require soldering. This can simplify the assembly process and reduce the risk of <a href=\"https:\/\/www.anzer-usa.com\/resources\/pcb-soldering-problems\/\">solder-related defects<\/a>.<br><\/li>\n\n\n\n<li><strong>Applications:<\/strong> Compliant pin connections are commonly used in high-reliability applications such as <a href=\"https:\/\/www.anzer-usa.com\/aerospace-electronics-assembly\">aerospace<\/a>, automotive, medical devices, and telecommunications equipment, where maintaining a stable electrical connection is crucial.<br><\/li>\n\n\n\n<li><strong>Variety of Shapes and Sizes:<\/strong> Compliant pins come in various shapes and sizes to accommodate different PCB designs and requirements. Some may have a cylindrical shape, while others may have a dual-diameter design for better retention in the PCB holes.<\/li>\n<\/ol>\n\n\n\n<p>Overall, compliant pin connections offer an alternative method for establishing <a href=\"https:\/\/www.anzer-usa.com\/wire-harness-and-cable-assembly\">electrical connections<\/a> in <a href=\"https:\/\/www.anzer-usa.com\/pcb-assembly-services\">PCB assembly<\/a>, mainly when soldering is not ideal or long-term reliability is a top priority. Their press-fit design and elastic properties make them a valuable choice in demanding electronic applications.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A compliant pin connection refers to a specific electrical connection or terminal designed to be inserted into a plated through-hole on a PCB. These pins are sometimes called &#8220;press-fit pins&#8221; or &#8220;compliant connector pins.&#8221; Compliant pins are typically used in applications requiring a reliable and&#8230;<\/p>\n","protected":false},"author":7,"featured_media":2407,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[162],"tags":[67,149,138,120],"class_list":["post-1238","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-electronic-manufacturing","tag-aerospace-electronics","tag-answers-for-electronic-manufacturing","tag-pcb-assembly-ohio","tag-through-hole-assembly"],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.anzer-usa.com\/resources\/wp-content\/uploads\/2024\/03\/press-fit-connector-pin.jpg?fit=1200%2C600&ssl=1","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.anzer-usa.com\/resources\/wp-json\/wp\/v2\/posts\/1238","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.anzer-usa.com\/resources\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.anzer-usa.com\/resources\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.anzer-usa.com\/resources\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.anzer-usa.com\/resources\/wp-json\/wp\/v2\/comments?post=1238"}],"version-history":[{"count":6,"href":"https:\/\/www.anzer-usa.com\/resources\/wp-json\/wp\/v2\/posts\/1238\/revisions"}],"predecessor-version":[{"id":2851,"href":"https:\/\/www.anzer-usa.com\/resources\/wp-json\/wp\/v2\/posts\/1238\/revisions\/2851"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.anzer-usa.com\/resources\/wp-json\/wp\/v2\/media\/2407"}],"wp:attachment":[{"href":"https:\/\/www.anzer-usa.com\/resources\/wp-json\/wp\/v2\/media?parent=1238"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.anzer-usa.com\/resources\/wp-json\/wp\/v2\/categories?post=1238"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.anzer-usa.com\/resources\/wp-json\/wp\/v2\/tags?post=1238"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}