{"id":21595,"date":"2019-05-14T23:20:16","date_gmt":"2019-05-14T21:20:16","guid":{"rendered":"https:\/\/cohu.xcerra.com\/?page_id=21595"},"modified":"2025-07-24T08:56:00","modified_gmt":"2025-07-24T15:56:00","slug":"package-type-so","status":"publish","type":"page","link":"https:\/\/www.cohu.com\/package-type-so","title":{"rendered":"SO"},"content":{"rendered":"\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_section-5fbb2e8d7ab023ee2ac2da83473f2485\">\n.avia-section.av-av_section-5fbb2e8d7ab023ee2ac2da83473f2485{\nbackground-repeat:no-repeat;\nbackground-image:url(\/wp-content\/uploads\/2019\/04\/ECT-banner-product-pages-1266x56-px.jpg);\nbackground-position:50% 0%;\nbackground-attachment:scroll;\n}\n<\/style>\n<div id='av_section_1'  class='avia-section av-av_section-5fbb2e8d7ab023ee2ac2da83473f2485 main_color avia-section-default avia-no-border-styling  avia-builder-el-0  el_before_av_section  avia-builder-el-first  avia-full-contain avia-bg-style-scroll container_wrap fullsize'  data-section-bg-repeat='contain'><div class='container av-section-cont-open' ><main  role=\"main\" itemprop=\"mainContentOfPage\"  class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-21595'><div class='entry-content-wrapper clearfix'>\n<\/div><\/div><\/main><!-- close content main element --><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-futjqo-5e86e82a92623b09aea3aad0fb53ef6c\">\n.avia-section.av-futjqo-5e86e82a92623b09aea3aad0fb53ef6c{\nbackground-color:#f2f2f2;\nbackground:linear-gradient( to bottom, #f2f2f2, #cecece );\n}\n<\/style>\n<div id='av_section_2'  class='avia-section av-futjqo-5e86e82a92623b09aea3aad0fb53ef6c main_color avia-section-small avia-no-border-styling  avia-builder-el-1  el_after_av_section  el_before_av_one_half  avia-bg-style-scroll container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-21595'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-enk6xc-9977e60065e3f7be125f001ae9f20cdd\">\n.flex_column.av-enk6xc-9977e60065e3f7be125f001ae9f20cdd{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-enk6xc-9977e60065e3f7be125f001ae9f20cdd av_three_fifth  avia-builder-el-2  el_before_av_two_fifth  avia-builder-el-first  first flex_column_div av-zero-column-padding  '     ><section  class='av_textblock_section av-jutv8nww-7bb7f02f69b5c411cd6eddddc98ecfc4 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h1><span style=\"color: #808080;\">SO Package Interface Solutions<br \/>\n<\/span><\/h1>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-jutvgbmm-985e7c5993046209ca81fe73e156b487\">\n#top .hr.av-jutvgbmm-985e7c5993046209ca81fe73e156b487{\nmargin-top:3px;\nmargin-bottom:3px;\n}\n.hr.av-jutvgbmm-985e7c5993046209ca81fe73e156b487 .hr-inner{\nwidth:50px;\n}\n<\/style>\n<div  class='hr av-jutvgbmm-985e7c5993046209ca81fe73e156b487 hr-custom  avia-builder-el-4  el_after_av_textblock  el_before_av_textblock  hr-center hr-icon-no'><span class='hr-inner inner-border-av-border-none'><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n<section  class='av_textblock_section av-jwxdeafa-443e887cb0dcb036e375c85b59835d70 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h3><strong>Challenges and Solutions for Contacting Small Outline Devices<\/strong><\/h3>\n<p>SO packages are leadframe-based and usually encapsulated in a rectangular plastic body with leads extending out two sides. For better electrical and thermal performance many SO packages have an exposed ground pad on the underside. SO packages are sized according to industry standards and have lead pitches ranging from 0.35 mm to 1.27 mm.<\/p>\n<\/div><\/section><\/p><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-brbu1s-3ba921a2e08df4fca72f75f8f9ab8bef\">\n.flex_column.av-brbu1s-3ba921a2e08df4fca72f75f8f9ab8bef{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-brbu1s-3ba921a2e08df4fca72f75f8f9ab8bef av_two_fifth  avia-builder-el-6  el_after_av_three_fifth  avia-builder-el-last  flex_column_div av-zero-column-padding  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-1zb10ig-16b797b138769933941810538ad36309\">\n.avia-image-container.av-1zb10ig-16b797b138769933941810538ad36309 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-1zb10ig-16b797b138769933941810538ad36309 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-1zb10ig-16b797b138769933941810538ad36309 av-styling- avia-align-center  avia-builder-el-7  avia-builder-el-no-sibling '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-18723 avia-img-lazy-loading-not-18723 avia_image ' src=\"\/wp-content\/uploads\/2019\/04\/SO-SOIC-Packages_transparent-300x205.png\" alt='SO Package Test Solutions' title=''  height=\"205\" width=\"300\"  itemprop=\"thumbnailUrl\" srcset=\"\/wp-content\/uploads\/2019\/04\/SO-SOIC-Packages_transparent.png 300w, \/wp-content\/uploads\/2019\/04\/SO-SOIC-Packages_transparent-150x103.png 150w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/div><\/div><\/div><\/div>\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='after_section_2'  class='main_color av_default_container_wrap container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-21595'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-oszubk-d2e0c2eaa3f2e804d14b37c21cbeaa1b\">\n.flex_column.av-oszubk-d2e0c2eaa3f2e804d14b37c21cbeaa1b{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-oszubk-d2e0c2eaa3f2e804d14b37c21cbeaa1b av_one_half  avia-builder-el-8  el_after_av_section  el_before_av_one_half  avia-builder-el-first  first flex_column_div av-zero-column-padding  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-1qs67bv-72142cc69d53c0edaa21c2824d7fa1f2\">\n#top .av-special-heading.av-1qs67bv-72142cc69d53c0edaa21c2824d7fa1f2{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-1qs67bv-72142cc69d53c0edaa21c2824d7fa1f2 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-1qs67bv-72142cc69d53c0edaa21c2824d7fa1f2 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-1qs67bv-72142cc69d53c0edaa21c2824d7fa1f2 av-special-heading-h3  avia-builder-el-9  el_before_av_toggle_container  avia-builder-el-first '><h3 class='av-special-heading-tag '  itemprop=\"headline\"  >Test Contactor \/ Probe Head Solutions<\/h3><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-jvo83h6t-1e4f97c521f64c62ae4ac0e5c483136b\">\n#top .togglecontainer.av-jvo83h6t-1e4f97c521f64c62ae4ac0e5c483136b p.toggler{\ncolor:#363636;\nborder-color:#0053a1;\n}\n#top .togglecontainer.av-jvo83h6t-1e4f97c521f64c62ae4ac0e5c483136b p.toggler .toggle_icon{\ncolor:#363636;\nborder-color:#363636;\n}\n#top .togglecontainer.av-jvo83h6t-1e4f97c521f64c62ae4ac0e5c483136b .toggle_wrap .toggle_content{\ncolor:#363636;\nborder-color:#0053a1;\n}\n<\/style>\n<div  class='togglecontainer av-jvo83h6t-1e4f97c521f64c62ae4ac0e5c483136b av-minimal-toggle  avia-builder-el-10  el_after_av_heading  avia-builder-el-last  toggle_close_all' >\n<section class='av_toggle_section av-12epjyz-9958bb62761db0c020750bf8730e4a64'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-1' data-fake-id='#toggle-id-1' class='toggler  av-title-above av-inherit-font-color hasCustomColor av-inherit-border-color'  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-1' data-slide-speed=\"200\" data-title=\"cBoa Contactor \/ Probe Head\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: cBoa Contactor \/ Probe Head\" data-aria_expanded=\"Click to collapse: cBoa Contactor \/ Probe Head\">cBoa Contactor \/ Probe Head<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-1' aria-labelledby='toggle-toggle-id-1' role='region' class='toggle_wrap  av-title-above'  ><div class='toggle_content invers-color av-inherit-font-color hasCustomColor av-inherit-border-color'  itemprop=\"text\" ><p><span style=\"color: #0053a1;\"><strong>Cost-Effective, High-Performance Contactor or Probe Head for High-Volume Production Test<\/strong><\/span><\/p>\n<p>cBoa contactors and probe heads are the solution for contacting high frequency devices for package test or final test at wafer. The robust design and materials of the cBoa probe withstand the rigors of high-volume test by providing longer life and higher yield. The homogenous DUT side plunger provides longer run times between cleaning and\u00a0increased probe life.<\/p>\n<p>The cBoa features a stainless-steel spring for tri-temp testing and performs in operating temperatures of -55\u00b0C to +155\u00b0C.\u00a0With a bandwidth up to 27 GHz, cBoa can be used to test some of the highest frequency devices.<\/p>\n<p>The enhanced compliance window accommodates package stack height tolerances well.<\/p>\n<div  class='avia-button-wrap av-n3t5x7-c2f853e9dbd0879e6df1615945a96e56-wrap avia-button-left  avia-builder-el-11  el_before_av_button  avia-builder-el-first '><a href='https:\/\/www.cohu.com\/cboa'  class='avia-button av-n3t5x7-c2f853e9dbd0879e6df1615945a96e56 av-link-btn avia-icon_select-no avia-size-medium avia-position-left avia-color-dark'   aria-label=\"Read More\"><span class='avia_iconbox_title' >Read More<\/span><\/a><\/div>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-wzudob-b35287c9743f0760689638f2bf39f34a'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-2' data-fake-id='#toggle-id-2' class='toggler  av-title-above av-inherit-font-color hasCustomColor av-inherit-border-color'  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-2' data-slide-speed=\"200\" data-title=\"cDragon Contactor\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: cDragon Contactor\" data-aria_expanded=\"Click to collapse: cDragon Contactor\">cDragon Contactor<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-2' aria-labelledby='toggle-toggle-id-2' role='region' class='toggle_wrap  av-title-above'  ><div class='toggle_content invers-color av-inherit-font-color hasCustomColor av-inherit-border-color'  itemprop=\"text\" ><p><span style=\"color: #0053a1;\"><strong>Excellent RF Performance with Low Cost of Ownership<\/strong><\/span><\/p>\n<p>cDragon pin\u2019s thermal design supports fast temperature control response and stabilization for repeatable at temperature testing of devices in a handler environment.<\/p>\n<p>By design the cDragon\u2019s pin decouples insertion motion from the test-interface-board side of the pin. This eliminates test-interface-board pad wear.<\/p>\n<p>cDragon\u2019s low profile and high bandwidth with low inductance makes it an ideal contacting solution for testing of mobile communications, RF switches, A\/D converters, LNA\u2019s, and PMIC devices. cDragon\u2019s pins affinity to solder migration will ensure low and repeatable contact resistance.<\/p>\n<p>cDragon can be used for testing any perimeter pad devices (QFN, DN, PLCC) and leaded packages (QFP, SO).<\/p>\n<div  class='avia-button-wrap av-20ut3a-f446f3a826910d9443e1dcb43ae67ade-wrap avia-button-left  avia-builder-el-12  el_after_av_button  el_before_av_button '><a href='https:\/\/www.cohu.com\/cdragon'  class='avia-button av-20ut3a-f446f3a826910d9443e1dcb43ae67ade av-link-btn avia-icon_select-no avia-size-medium avia-position-left avia-color-dark'   aria-label=\"Read More\"><span class='avia_iconbox_title' >Read More<\/span><\/a><\/div>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-olvbnf-eff7ec4f900a7a9d260de0efe5ffdeaa'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-3' data-fake-id='#toggle-id-3' class='toggler  av-title-above av-inherit-font-color hasCustomColor av-inherit-border-color'  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-3' data-slide-speed=\"200\" data-title=\"cHybrid Turret Kelvin Contactor\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: cHybrid Turret Kelvin Contactor\" data-aria_expanded=\"Click to collapse: cHybrid Turret Kelvin Contactor\">cHybrid Turret Kelvin Contactor<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-3' aria-labelledby='toggle-toggle-id-3' role='region' class='toggle_wrap  av-title-above'  ><div class='toggle_content invers-color av-inherit-font-color hasCustomColor av-inherit-border-color'  itemprop=\"text\" ><p><span style=\"color: #0053a1;\"><strong>For leaded and leadless devices down to 0.3 mm x 0.6 mm<\/strong><\/span><\/p>\n<p>Compact multi-beam pin structure for high density system integration on turret handlers with side-by-side design for very small pad sizes.,<\/p>\n<p>cHybrid Kelvin contactor contains a new and unique contact spring architecture which allows the test socket to adapt to challenging IC pad geometry requirements of todays and future small package types. Great lifetime up to 3 million touchdowns, with best-in-class contact resistance repeatability reduces cost of test significantly. A multibeam contact structure optimizes signal integrity and current capability according to challenging electrical test requirements.<\/p>\n<p>cHybrid Kelvin contactor with multibeam contact spring architecture delivers improved yield and long life which minimizing cleaning cycles. This innovative solution will help customers reduce cost and maximize productivity.<\/p>\n<div  class='avia-button-wrap av-t2q6m4-529fe9d9f326d1e0b60cf98cc1ebd265-wrap avia-button-left  avia-builder-el-13  el_after_av_button  el_before_av_button '><a href='https:\/\/www.cohu.com\/chybrid'  class='avia-button av-t2q6m4-529fe9d9f326d1e0b60cf98cc1ebd265 av-link-btn avia-icon_select-no avia-size-medium avia-position-left avia-color-dark'   aria-label=\"Read More\"><span class='avia_iconbox_title' >Read More<\/span><\/a><\/div>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-4ez5zgb-186f54a28e76a9497b2ae6f042e0699d'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-4' data-fake-id='#toggle-id-4' class='toggler  av-title-above av-inherit-font-color hasCustomColor av-inherit-border-color'  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-4' data-slide-speed=\"200\" data-title=\"cPython Kelvin Contactor \/ Probe Head\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: cPython Kelvin Contactor \/ Probe Head\" data-aria_expanded=\"Click to collapse: cPython Kelvin Contactor \/ Probe Head\">cPython Kelvin Contactor \/ Probe Head<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-4' aria-labelledby='toggle-toggle-id-4' role='region' class='toggle_wrap  av-title-above'  ><div class='toggle_content invers-color av-inherit-font-color hasCustomColor av-inherit-border-color'  itemprop=\"text\" ><p><span style=\"color: #0053a1;\"><strong>High performance kelvin contact for high volume production test<\/strong><\/span><\/p>\n<p>cPython Kelvin contactors and probe heads provide superior electrical and thermal performance with significant cost savings. This makes cPython Kelvin ideal for lab and high-volume production test of analog and mixed signal integrated circuits \u2013 for applications such as audio, video, power amplifiers, photonics, optical MEMS and sensors.<\/p>\n<p>cPython Kelvin features electrically isolated and mechanically independent force and sense paths, making the voltage drop negligible. This provides low and stable contact resistance with bandwidth up to 26 GHz.<\/p>\n<p>cPython Kelvin has an optional manual actuator for testing singulated devices and can be designed with a pitch down to .3mm pitch, tip to tip spacing as low as 70 \u00b5m. cPython Kelvin is available in a variety of contact materials to optimize performance.<\/p>\n<div  class='avia-button-wrap av-j13ygr-5b83c42f4a34f05f4d65917994584adf-wrap avia-button-left  avia-builder-el-14  el_after_av_button  el_before_av_button '><a href='https:\/\/www.cohu.com\/cpython'  class='avia-button av-j13ygr-5b83c42f4a34f05f4d65917994584adf av-link-btn avia-icon_select-no avia-size-medium avia-position-left avia-color-dark'   aria-label=\"Read More\"><span class='avia_iconbox_title' >Read More<\/span><\/a><\/div>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-425owgr-323d2465a8108318be15658c5d269f95'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-5' data-fake-id='#toggle-id-5' class='toggler  av-title-above av-inherit-font-color hasCustomColor av-inherit-border-color'  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-5' data-slide-speed=\"200\" data-title=\"ecoAmp Kelvin Contactor\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: ecoAmp Kelvin Contactor\" data-aria_expanded=\"Click to collapse: ecoAmp Kelvin Contactor\">ecoAmp Kelvin Contactor<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-5' aria-labelledby='toggle-toggle-id-5' role='region' class='toggle_wrap  av-title-above'  ><div class='toggle_content invers-color av-inherit-font-color hasCustomColor av-inherit-border-color'  itemprop=\"text\" ><p><span style=\"color: #0053a1;\"><strong>Cantilever contactor for high power applications<\/strong><\/span><\/p>\n<p>ecoAmp Kelvin is a high power cantilever kelvin contactor with patented spring and tip design for optimum heat dissipation. This ensures best reliability, long spring life and high yield even under highest current and temperature requirements.<\/p>\n<div  class='avia-button-wrap av-ilynks-c7f45b1468c8b19404cb09c77bb8d3ca-wrap avia-button-left  avia-builder-el-15  el_after_av_button  el_before_av_button '><a href='https:\/\/www.cohu.com\/ecoamp'  class='avia-button av-ilynks-c7f45b1468c8b19404cb09c77bb8d3ca av-link-btn avia-icon_select-no avia-size-medium avia-position-left avia-color-dark'   aria-label=\"Read More\"><span class='avia_iconbox_title' >Read More<\/span><\/a><\/div>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-3b8ln3v-b5ef1268cd5634731ee5a5632d3aed3d'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-6' data-fake-id='#toggle-id-6' class='toggler  av-title-above av-inherit-font-color hasCustomColor av-inherit-border-color'  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-6' data-slide-speed=\"200\" data-title=\"Gemini Kelvin Contactor \/ Probe Head\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: Gemini Kelvin Contactor \/ Probe Head\" data-aria_expanded=\"Click to collapse: Gemini Kelvin Contactor \/ Probe Head\">Gemini Kelvin Contactor \/ Probe Head<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-6' aria-labelledby='toggle-toggle-id-6' role='region' class='toggle_wrap  av-title-above'  ><div class='toggle_content invers-color av-inherit-font-color hasCustomColor av-inherit-border-color'  itemprop=\"text\" ><p><span style=\"color: #0053a1;\"><strong>Industry preferred high performance, high value, low cost true kelvin QuadTech contacting solution<\/strong><\/span><\/p>\n<p>Gemini Kelvin probes and contactors provide a first-rate solution that effortlessly makes reliable, true Kelvin contact for high-volume final test of both singulated packages and wafer-level devices. Gemini Kelvin is an ideal solution for devices such as power controllers, A-D and D-A converters, power amplifiers and audio and video circuits.<\/p>\n<p>At 3.22 mm test height, the Gemini Kelvin is an excellent all-around spring probe with low inductance, high bandwidth, and excellent current-carrying capacity. The DUT side tip design accurately maintains its 100 \u00b5m spacing for the life of the probe. Customers report typical probe life of 500 k to 800 k package insertions, or over 2M touchdowns at wafer-level test. The offset tip allows manageable board layout with a board-side spacing of 0.4 mm.<\/p>\n<div  class='avia-button-wrap av-18a7y4-308ee268d1c35757d79153495d048738-wrap avia-button-left  avia-builder-el-16  el_after_av_button  el_before_av_button '><a href='https:\/\/www.cohu.com\/geminikelvin'  class='avia-button av-18a7y4-308ee268d1c35757d79153495d048738 av-link-btn avia-icon_select-no avia-size-medium avia-position-left avia-color-dark'   aria-label=\"Read More\"><span class='avia_iconbox_title' >Read More<\/span><\/a><\/div>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-34a2fqz-959a57181759ec6dc7c1c7865693e22b'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-7' data-fake-id='#toggle-id-7' class='toggler  av-title-above av-inherit-font-color hasCustomColor av-inherit-border-color'  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-7' data-slide-speed=\"200\" data-title=\"Mercury Contactor \/ Probe Head\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: Mercury Contactor \/ Probe Head\" data-aria_expanded=\"Click to collapse: Mercury Contactor \/ Probe Head\">Mercury Contactor \/ Probe Head<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-7' aria-labelledby='toggle-toggle-id-7' role='region' class='toggle_wrap  av-title-above'  ><div class='toggle_content invers-color av-inherit-font-color hasCustomColor av-inherit-border-color'  itemprop=\"text\" ><p><span style=\"color: #0053a1;\"><strong>Industry preferred high performance, high value, low cost QuadTech contacting solution<\/strong><\/span><\/p>\n<p>Mercury probes and contactors are excellent spring probes for the laboratory though they were designed with the robust qualities needed for high-volume production test. Their unique design ensures excellent plating quality for low, consistent resistance, long life, and high-test yields. Mercury probes are available with minimum pitches of 0.3 mm, 0.4 mm, 0.5 mm, and 0.8 mm, to provide the best performance at any device pitch. Mercury probes have bandwidths of up to 22 GHz, and can carry over 3 Amps of current. The Mercury is an excellent choice for any test application.<\/p>\n<div  class='avia-button-wrap av-5hb9ds-3557470563b751a45a10619d0545affb-wrap avia-button-left  avia-builder-el-17  el_after_av_button  el_before_av_button '><a href='https:\/\/www.cohu.com\/mercury'  class='avia-button av-5hb9ds-3557470563b751a45a10619d0545affb av-link-btn avia-icon_select-no avia-size-medium avia-position-left avia-color-dark'   aria-label=\"Read More\"><span class='avia_iconbox_title' >Read More<\/span><\/a><\/div>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-2ggsdsr-811573b0d067b914bfdeb32aca1d5d75'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-8' data-fake-id='#toggle-id-8' class='toggler  av-title-above av-inherit-font-color hasCustomColor av-inherit-border-color'  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-8' data-slide-speed=\"200\" data-title=\"MiCon Contactor\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: MiCon Contactor\" data-aria_expanded=\"Click to collapse: MiCon Contactor\">MiCon Contactor<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-8' aria-labelledby='toggle-toggle-id-8' role='region' class='toggle_wrap  av-title-above'  ><div class='toggle_content invers-color av-inherit-font-color hasCustomColor av-inherit-border-color'  itemprop=\"text\" ><p><span style=\"color: #0053a1;\"><strong>Proven cantilever technology for MCUs and ASICs<\/strong><\/span><\/p>\n<p>MiCon is spring pin footprint compatible supporting advanced temperature requirements as well as advanced power\/current requirements. The footprint compatibility allows for easy and cost-efficient conversion from spring pin setups. The fully decoupled load board side of the spring ensure no degradation of the load board pad.<\/p>\n<p>MiCon features a single piece design, which ensures a long lifespan, low and stable contact resistance, high current carrying capability and an extended temperature range. The MiCon allows for testing at full specification values. The extended operating range accommodates device lead trim and form variability such as device alignment accuracy and device lead coplanarity.<\/p>\n<div  class='avia-button-wrap av-5r7x2k-29610bd76dbf754ab793e579ac4dd158-wrap avia-button-left  avia-builder-el-18  el_after_av_button  el_before_av_button '><a href='https:\/\/www.cohu.com\/micon'  class='avia-button av-5r7x2k-29610bd76dbf754ab793e579ac4dd158 av-link-btn avia-icon_select-no avia-size-medium avia-position-left avia-color-dark'   aria-label=\"Read More\"><span class='avia_iconbox_title' >Read More<\/span><\/a><\/div>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-24ucxuj-7c3f7c9ed637a17c95b38448131acff2'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-9' data-fake-id='#toggle-id-9' class='toggler  av-title-above av-inherit-font-color hasCustomColor av-inherit-border-color'  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-9' data-slide-speed=\"200\" data-title=\"nanoKelvin Contactor\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: nanoKelvin Contactor\" data-aria_expanded=\"Click to collapse: nanoKelvin Contactor\">nanoKelvin Contactor<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-9' aria-labelledby='toggle-toggle-id-9' role='region' class='toggle_wrap  av-title-above'  ><div class='toggle_content invers-color av-inherit-font-color hasCustomColor av-inherit-border-color'  itemprop=\"text\" ><p><span style=\"color: #0053a1;\"><strong>Kelvin test socket for high power plung-to-board applications<\/strong><\/span><\/p>\n<p>nanoKelvin is a well-established cantilever kelvin contactor with proven performance in the automotive market and further increasing popularity due to the robustness and reliability of the product.<\/p>\n<div  class='avia-button-wrap av-2so6ng-c8ad951b9da777a238fbb1d45648b3ad-wrap avia-button-left  avia-builder-el-19  el_after_av_button  el_before_av_button '><a href='https:\/\/www.cohu.com\/nanokelvin'  class='avia-button av-2so6ng-c8ad951b9da777a238fbb1d45648b3ad av-link-btn avia-icon_select-no avia-size-medium avia-position-left avia-color-dark'   aria-label=\"Read More\"><span class='avia_iconbox_title' >Read More<\/span><\/a><\/div>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-1o6zv5n-68613e5f3661e666cb54274fc76ec432'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-10' data-fake-id='#toggle-id-10' class='toggler  av-title-above av-inherit-font-color hasCustomColor av-inherit-border-color'  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-10' data-slide-speed=\"200\" data-title=\"RF Scrub Contactor\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: RF Scrub Contactor\" data-aria_expanded=\"Click to collapse: RF Scrub Contactor\">RF Scrub Contactor<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-10' aria-labelledby='toggle-toggle-id-10' role='region' class='toggle_wrap  av-title-above'  ><div class='toggle_content invers-color av-inherit-font-color hasCustomColor av-inherit-border-color'  itemprop=\"text\" ><p><span style=\"color: #0053a1;\"><strong>Excellent RF performance with low cost of ownership<\/strong><\/span><\/p>\n<p>Extremely short signal path rugged probe with high wear resistance for SO, DFN, and QFN packages.<\/p>\n<p>RF Scrub Contactor\u2019s innovative design combines an extremely short signal path (0.90mm test height) with high wear resistance pins that can operate in a wide temperature range (-40\u00baC to +150\u00baC).<\/p>\n<p>The RF Scrub contactor\u2019s long-life, elastomer free design and easy field maintainability makes it an optimal solution for testing of high-performance devices.<\/p>\n<p>The RF Scrub design minimizes load board wear and with the unique pin base material and plating, the cleaning intervals can last up to 100,000 cycles.<\/p>\n<p>The RF Scrub contactor is adaptable to multiple packages (QFN\/DFN\/MLF, QFP, SO, SOT, TO) and handler platforms making it an ideal low-cost solution for your RF and acoustic applications.<\/p>\n<div  class='avia-button-wrap av-l139i3-d4b1dc170f9f4e98e6ce12e8ea4a8b3b-wrap avia-button-left  avia-builder-el-20  el_after_av_button  avia-builder-el-last '><a href='https:\/\/www.cohu.com\/rf-scrub'  class='avia-button av-l139i3-d4b1dc170f9f4e98e6ce12e8ea4a8b3b av-link-btn avia-icon_select-no avia-size-medium avia-position-left avia-color-dark'   aria-label=\"Read More\"><span class='avia_iconbox_title' >Read More<\/span><\/a><\/div>\n<\/div><\/div><\/div><\/section>\n<\/div><\/p><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-a4w50w-1b9e0d7283ff9d4ba98626dd0ba9993f\">\n.flex_column.av-a4w50w-1b9e0d7283ff9d4ba98626dd0ba9993f{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-a4w50w-1b9e0d7283ff9d4ba98626dd0ba9993f av_one_half  avia-builder-el-21  el_after_av_one_half  el_before_av_hr  flex_column_div av-zero-column-padding  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-olcmww-77aae0135460160e54bcb5f892803366\">\n#top #wrap_all .avia-icon-list-container.av-olcmww-77aae0135460160e54bcb5f892803366 .av_iconlist_title{\nfont-size:18px;\ncolor:#363636;\n}\n.avia-icon-list-container.av-olcmww-77aae0135460160e54bcb5f892803366 .iconlist_content{\ncolor:#363636;\n}\n<\/style>\n<div  class='avia-icon-list-container av-olcmww-77aae0135460160e54bcb5f892803366  avia-builder-el-22  el_before_av_iconlist  avia-builder-el-first '><ul class='avia-icon-list avia_animate_when_almost_visible avia-icon-list-left av-iconlist-big av-olcmww-77aae0135460160e54bcb5f892803366'>\n<li><div class='iconlist_icon av-1i266vv-0c470db187d036589f9a005d2767755c avia-font-entypo-fontello avia-iconfont avia-font-entypo-fontello'><span class='av-icon-char' data-av_icon='\ue812' data-av_iconfont='entypo-fontello' aria-hidden=\"true\"><\/span><\/div><article class=\"article-icon-entry \"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconlist_content_wrap\"><header class=\"entry-content-header\" aria-label=\"Icon: Contacting Challenges\"><h4 class='av_iconlist_title iconlist_title  av_inherit_color'  itemprop=\"headline\" >Contacting Challenges<\/h4><\/header><div class='iconlist_content av_inherit_color'  itemprop=\"text\" ><ul>\n<li>High currents<\/li>\n<li>Co-planarity issues<\/li>\n<li>Lead geometry issues including bent leads<\/li>\n<li>Kelvin test requirements<\/li>\n<li>Lead oxidation<\/li>\n<li>Tin migration<\/li>\n<li>Wear due to NiPd plating<\/li>\n<li>Ground pad contacting requirements<\/li>\n<\/ul>\n<\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><div class=\"iconlist-timeline\"><\/div><\/li>\n<\/ul><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-kya9sw-59606512af3fba56265b5fd9c64e2015\">\n#top #wrap_all .avia-icon-list-container.av-kya9sw-59606512af3fba56265b5fd9c64e2015 .av_iconlist_title{\nfont-size:18px;\ncolor:#363636;\n}\n.avia-icon-list-container.av-kya9sw-59606512af3fba56265b5fd9c64e2015 .iconlist_content{\ncolor:#363636;\n}\n<\/style>\n<div  class='avia-icon-list-container av-kya9sw-59606512af3fba56265b5fd9c64e2015  avia-builder-el-23  el_after_av_iconlist  el_before_av_iconlist '><ul class='avia-icon-list avia_animate_when_almost_visible avia-icon-list-left av-iconlist-big av-kya9sw-59606512af3fba56265b5fd9c64e2015'>\n<li><div class='iconlist_icon av-122kb8b-c698fa76845bc00127d3ff9275c583e0 avia-font-entypo-fontello avia-iconfont avia-font-entypo-fontello'><span class='av-icon-char' data-av_icon='\ue86b' data-av_iconfont='entypo-fontello' aria-hidden=\"true\"><\/span><\/div><article class=\"article-icon-entry \"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconlist_content_wrap\"><header class=\"entry-content-header\" aria-label=\"Icon: Contactor Features\"><h4 class='av_iconlist_title iconlist_title  av_inherit_color'  itemprop=\"headline\" >Contactor Features<\/h4><\/header><div class='iconlist_content av_inherit_color'  itemprop=\"text\" ><ul>\n<li>Choice of platings or homogeneous material<\/li>\n<li>Large targets for device leads<\/li>\n<li>High contact force<\/li>\n<li>Low and stable contact resistance<\/li>\n<li>Significant compliance for tolerance stack-up<\/li>\n<li>High current carrying capacity<\/li>\n<li>Sharp contact points or scrubbing action for piercing oxides<\/li>\n<li>Ground pad contacting with probes or ground block<\/li>\n<\/ul>\n<\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><div class=\"iconlist-timeline\"><\/div><\/li>\n<\/ul><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-s3itfk-cc47feda184dad06cf5ee755c553f1de\">\n#top #wrap_all .avia-icon-list-container.av-s3itfk-cc47feda184dad06cf5ee755c553f1de .av_iconlist_title{\nfont-size:18px;\ncolor:#363636;\n}\n.avia-icon-list-container.av-s3itfk-cc47feda184dad06cf5ee755c553f1de .iconlist_content{\ncolor:#363636;\n}\n<\/style>\n<div  class='avia-icon-list-container av-s3itfk-cc47feda184dad06cf5ee755c553f1de  avia-builder-el-24  el_after_av_iconlist  avia-builder-el-last '><ul class='avia-icon-list avia_animate_when_almost_visible avia-icon-list-left av-iconlist-big av-s3itfk-cc47feda184dad06cf5ee755c553f1de'>\n<li><div class='iconlist_icon av-tp4jnf-ab2dba6b39f5e60ffa49989ba218c56a avia-font-entypo-fontello avia-iconfont avia-font-entypo-fontello'><span class='av-icon-char' data-av_icon='\ue809' data-av_iconfont='entypo-fontello' aria-hidden=\"true\"><\/span><\/div><article class=\"article-icon-entry \"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconlist_content_wrap\"><header class=\"entry-content-header\" aria-label=\"Icon: Package Features\"><h4 class='av_iconlist_title iconlist_title  av_inherit_color'  itemprop=\"headline\" >Package Features<\/h4><\/header><div class='iconlist_content av_inherit_color'  itemprop=\"text\" ><ul>\n<li>Wide variety of pitches, sizes and lead counts<\/li>\n<li>Wide range of applications<\/li>\n<li>Relatively low-cost package<\/li>\n<li>Exposed ground pads for electrical and thermal performance<\/li>\n<li>Typically plated with Sn or NiPd<\/li>\n<li>Can be contacted in strip form<\/li>\n<li>Can handle high currents<\/li>\n<\/ul>\n<\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><div class=\"iconlist-timeline\"><\/div><\/li>\n<\/ul><\/div><\/p><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-jutvgbmm-2-e5a2d19fd65409fda1e924735c6a60ed\">\n#top .hr.hr-invisible.av-jutvgbmm-2-e5a2d19fd65409fda1e924735c6a60ed{\nmargin-top:0px;\nheight:1px;\n}\n<\/style>\n<div  class='hr av-jutvgbmm-2-e5a2d19fd65409fda1e924735c6a60ed hr-invisible  avia-builder-el-25  el_after_av_one_half  el_before_av_section  avia-builder-el-last '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-jvslsypk-8b13ead007975946d99365e5d40c16b9\">\n.avia-section.av-jvslsypk-8b13ead007975946d99365e5d40c16b9 .av-parallax .av-parallax-inner{\nbackground-color:#f2f2f2;\nbackground-repeat:no-repeat;\nbackground-image:url(\/wp-content\/uploads\/2019\/04\/bottom-banner-image-for-website-1210x350.jpg), linear-gradient( to bottom, #f2f2f2, #cecece );\nbackground-position:0% 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id=\"style-css-av-1lamhww-7e92888796f6461d0615725f622de706\">\n.flex_column.av-1lamhww-7e92888796f6461d0615725f622de706{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-1lamhww-7e92888796f6461d0615725f622de706 av_one_third  avia-builder-el-27  el_before_av_two_fifth  avia-builder-el-first  first flex_column_div av-zero-column-padding  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-khvtzgld-6a7aff95a1231047f3363df74199b182\">\n.iconbox.av-khvtzgld-6a7aff95a1231047f3363df74199b182 .iconbox_icon{\nbackground-color:#ffffff;\n}\n#top #wrap_all .iconbox.av-khvtzgld-6a7aff95a1231047f3363df74199b182 .iconbox_content_title{\ncolor:#ffffff;\n}\n.iconbox.av-khvtzgld-6a7aff95a1231047f3363df74199b182 .iconbox_content_container{\ncolor:#ffffff;\n}\n<\/style>\n<article  class='iconbox iconbox_left_content av-khvtzgld-6a7aff95a1231047f3363df74199b182  avia-builder-el-28  avia-builder-el-no-sibling '  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><a href='https:\/\/www.cohu.com\/contact-us' title='Contact Sales' aria-label='Contact Sales'  class='iconbox_icon heading-color avia-iconfont avia-font-entypo-fontello' data-av_icon='\ue83c' data-av_iconfont='entypo-fontello' title=\"Contact Sales\" desc=\"Contact Sales\" ><\/a><div class=\"iconbox_content\"><header class=\"entry-content-header\" aria-label=\"Icon: Contact Sales\"><h3 class='iconbox_content_title '  itemprop=\"headline\" ><a href='https:\/\/www.cohu.com\/contact-us' title='Contact Sales' >Contact Sales<\/a><\/h3><\/header><div class='iconbox_content_container av_inherit_color'  itemprop=\"text\" ><p>Complete our contact form.<\/p>\n<\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" 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