{"id":9734,"date":"2018-02-05T14:46:57","date_gmt":"2018-02-05T13:46:57","guid":{"rendered":"https:\/\/xcerra.com\/?page_id=9734"},"modified":"2025-07-28T10:53:59","modified_gmt":"2025-07-28T17:53:59","slug":"package-type-qfn-dfn-mlf","status":"publish","type":"page","link":"https:\/\/www.cohu.com\/package-type-qfn-dfn-mlf","title":{"rendered":"QFN \/ DFN \/ MLF"},"content":{"rendered":"\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-386b2e-8b58b7b95a482fe0ee109f214eca0219\">\n.avia-section.av-386b2e-8b58b7b95a482fe0ee109f214eca0219{\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-386b2e-8b58b7b95a482fe0ee109f214eca0219 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-9734'><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-d4d3fq-2ad970c7fbc468fed95f1236b193a39a\">\n.avia-section.av-d4d3fq-2ad970c7fbc468fed95f1236b193a39a{\nbackground-color:#f2f2f2;\nbackground:linear-gradient( to bottom, #f2f2f2, #cecece );\n}\n<\/style>\n<div id='av_section_2'  class='avia-section av-d4d3fq-2ad970c7fbc468fed95f1236b193a39a 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-9734'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-aovnt2-0279d67ea64f7cb97b7088d93a5915e9\">\n.flex_column.av-aovnt2-0279d67ea64f7cb97b7088d93a5915e9{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-aovnt2-0279d67ea64f7cb97b7088d93a5915e9 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-juuunkyf-b1ac9815af7716dcef340f3f2dc2214b '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h1><span style=\"color: #808080;\">QFN \/ DFN \/ MLF 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-juuus2gr-90b0c8ea4cff24439b728087a4c14e60\">\n#top .hr.hr-invisible.av-juuus2gr-90b0c8ea4cff24439b728087a4c14e60{\nheight:10px;\n}\n<\/style>\n<div  class='hr av-juuus2gr-90b0c8ea4cff24439b728087a4c14e60 hr-invisible  avia-builder-el-4  el_after_av_textblock  el_before_av_textblock '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n<section  class='av_textblock_section av-juuuor4z-74917a649c440db663b9bf181e19d110 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h3>Challenges and Solutions for Contacting Quad Flat No-Lead \/ Dual Flat No-Lead \/ Micro Lead Frame<\/h3>\n<p>DFN \/ QFN \/ MLFs are leadframe or organic substrate based packages that are usually encapsuled in a rectangular plastic body with contact pads on two or four sides. For better thermal performance, most DFN \/QFN \/ MLFs have exposed pads, typically on the bottom of the device. DFN \/QFN \/ MLFs are industry standard sized and the pads are typically spaced at pitches ranging from 0.35 mm to 0.65 mm.<\/p>\n<\/div><\/section><\/p><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-978xmu-a6c55a1922f6c5510aed3e11d263aa59\">\n.flex_column.av-978xmu-a6c55a1922f6c5510aed3e11d263aa59{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-978xmu-a6c55a1922f6c5510aed3e11d263aa59 av_two_fifth  avia-builder-el-6  el_after_av_three_fifth  avia-builder-el-last  flex_column_div av-zero-column-padding  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-juuus2gr-3-e50d405007ffc499414cddf589831919\">\n#top .hr.av-juuus2gr-3-e50d405007ffc499414cddf589831919{\nmargin-top:2px;\nmargin-bottom:2px;\n}\n.hr.av-juuus2gr-3-e50d405007ffc499414cddf589831919 .hr-inner{\nwidth:50px;\n}\n<\/style>\n<div  class='hr av-juuus2gr-3-e50d405007ffc499414cddf589831919 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avia-img-lazy-loading-not-18729 avia_image ' src=\"\/wp-content\/uploads\/2019\/04\/DFN-QFN-MLF-Packages_transparent.png\" alt='DFN Package Solutions' title=''  height=\"168\" width=\"300\"  itemprop=\"thumbnailUrl\" srcset=\"\/wp-content\/uploads\/2019\/04\/DFN-QFN-MLF-Packages_transparent.png 300w, \/wp-content\/uploads\/2019\/04\/DFN-QFN-MLF-Packages_transparent-150x84.png 150w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/div><\/div><\/div><\/p><\/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-9734'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-65se2e-7156f05dc991a848fd8ab23b7cf4898f\">\n.flex_column.av-65se2e-7156f05dc991a848fd8ab23b7cf4898f{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-65se2e-7156f05dc991a848fd8ab23b7cf4898f av_one_half  avia-builder-el-9  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-5ntqqu-afd65edaad4115ba13c566c667b57ff3\">\n#top .av-special-heading.av-5ntqqu-afd65edaad4115ba13c566c667b57ff3{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-5ntqqu-afd65edaad4115ba13c566c667b57ff3 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-5ntqqu-afd65edaad4115ba13c566c667b57ff3 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-5ntqqu-afd65edaad4115ba13c566c667b57ff3 av-special-heading-h3  avia-builder-el-10  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-jvo9mwam-8a5e30c62f6f9d5d4fc25f0be2011d24\">\n#top .togglecontainer.av-jvo9mwam-8a5e30c62f6f9d5d4fc25f0be2011d24 p.toggler{\ncolor:#363636;\nborder-color:#0053a1;\n}\n#top .togglecontainer.av-jvo9mwam-8a5e30c62f6f9d5d4fc25f0be2011d24 p.toggler .toggle_icon{\ncolor:#363636;\nborder-color:#363636;\n}\n#top .togglecontainer.av-jvo9mwam-8a5e30c62f6f9d5d4fc25f0be2011d24 .toggle_wrap .toggle_content{\ncolor:#363636;\nborder-color:#0053a1;\n}\n<\/style>\n<div  class='togglecontainer av-jvo9mwam-8a5e30c62f6f9d5d4fc25f0be2011d24 av-minimal-toggle  avia-builder-el-11  el_after_av_heading  avia-builder-el-last  toggle_close_all' >\n<section class='av_toggle_section av-q9fae-779866cf9a4c6acb8cc15d7faedc6a52'  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=\"ACE Contactor \/ Probe Head\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: ACE Contactor \/ Probe Head\" data-aria_expanded=\"Click to collapse: ACE Contactor \/ Probe Head\">ACE 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 Efficient RF Contactor for FBGA and Wafer-Level Packages<\/strong><\/span><\/p>\n<p>ACE Test Contactor offers optimal RF performance for fine pitch FBGA, QFN and wafer-level packages for Power Amplifiers, RF switches and mobile communications. Supporting pitches down to 0.4 mm and superior performance for current consumption, gain, standard deviation, and power efficiency.<\/p>\n<p>ACE Probe Head provides exceptional electrical performance, both DC and RF and is manufactured from HyperCore\u2122 base material, which is a proprietary material of Cohu\u2019s ECT Contact Product Group.<\/p>\n<p>Compatible with all device types, platings, and pitches; and all test applications, including singulated devices, strip test and wafer-scale test. The materials and architecture create a very robust probe with a very working life and best yield. The electrical and mechanical performance, combined with the long probe life, deliver low overall cost of test, which are unprecedented for RF contactors.<\/p>\n<div  class='avia-button-wrap av-tbrbom-512826348a3f8fd8ac08e676cae1f24c-wrap avia-button-left  avia-builder-el-12  el_before_av_button  avia-builder-el-first '><a href='https:\/\/www.cohu.com\/ace'  class='avia-button av-tbrbom-512826348a3f8fd8ac08e676cae1f24c 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-66a6hy-82c01a5a3008c333a99b3b61e2229975'  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=\"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-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>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-2wlus6-c987591de270785e2b462d026af2534e-wrap avia-button-left  avia-builder-el-13  el_after_av_button  el_before_av_button '><a href='https:\/\/www.cohu.com\/cboa'  class='avia-button av-2wlus6-c987591de270785e2b462d026af2534e 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-22eqza-2883a986fb5e0f525f2707dd03a7420d'  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=\"cCruiser Contactor\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: cCruiser Contactor\" data-aria_expanded=\"Click to collapse: cCruiser Contactor\">cCruiser 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>Providing Exceptional Lifetime for Discrete Contacting<\/strong><\/span><\/p>\n<p>cCruiser\u2122 Kelvin contactor was designed with cost of test optimization in mind, boasting a cantilever design that allows the testing of challenging discrete ICs and small logic package types. Providing a best-in-class proven lifespan of up to 5 million touchdowns increasing handler uptime. cCruiser reduces the cost of test for customers significantly, lasting longer and testing longer than previous contact solutions.<\/p>\n<p>cCruiser is the versatile solution for testing small discrete ICs. Its side-by-side Kelvin design is optimized for tri-temp capable insulation layer with extended Automotive temperature range -60\u00b0C to + 175\u00b0C.\u00a0 Contact socket is G-Pin footprint compatible with a contact spring wear out zone. Featuring conventional onboard socket contact mounting and <span class=\"TextRun SCXP238670788 BCX8\" lang=\"DE-DE\" xml:lang=\"DE-DE\" data-usefontface=\"false\" data-contrast=\"none\"><span class=\"NormalTextRun SCXP238670788 BCX8\">80 m<\/span><\/span><span class=\"TextRun SCXP238670788 BCX8\" lang=\"EL-GR\" xml:lang=\"EL-GR\" data-usefontface=\"false\" data-contrast=\"none\"><span class=\"NormalTextRun SCXP238670788 BCX8\">\u03a9<\/span><\/span><span class=\"EOP SCXP238670788 BCX8\">\u200b l<\/span>ow and stable contact resistance. Raw Springs and cGold plating options available, as well as Thebe, our brand new, improved conductive material plating option that has &gt;50% lower resistance.<\/p>\n<div  class='avia-button-wrap av-2iddpi-3c51bb49eb23225b47e53f10e88b6dc9-wrap avia-button-left  avia-builder-el-14  el_after_av_button  el_before_av_button '><a href='https:\/\/www.cohu.com\/ccruiser'  class='avia-button av-2iddpi-3c51bb49eb23225b47e53f10e88b6dc9 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-3w7kra-de5a0e72defd0b20ce5ca666ddd3e9f9'  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=\"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-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>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-15  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-2y7aom-49b5201ed36cc3290e938e097928d66f'  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=\"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-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>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-16  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-1e5jsm-789d339ccef66d9969c12df357e352ec'  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=\"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-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>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 power control, A-D and D-A converters, audio, video, power amplifiers, photonics, optical MEMS and sensors.<\/p>\n<p>cPython Kelvin probes are electrically isolated and mechanically independent force and sense paths for true Kelvin contact for taking accurate measurements, even under high current conditions. These robust probes provide hundreds of thousands of insertions or touchdowns, and a bandwidth up to 26 GHz.\u00a0\u00a0cPython Kelvin probes can land on 0.4 mm pitch targets, and their tip spacing is 90 \u00b5m to land on small targets. cPython probes are available with homogeneous tips to optimize performance.<\/p>\n<div  class='avia-button-wrap av-plvsrw-6dffb33d7b9fbdef379c202160e251b3-wrap avia-button-left  avia-builder-el-17  el_after_av_button  el_before_av_button '><a href='https:\/\/www.cohu.com\/cpython'  class='avia-button av-plvsrw-6dffb33d7b9fbdef379c202160e251b3 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-42crpy-772c50bc2b5b565d890db4c0107de820'  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=\"cRacer Contactor \/ Probe Head\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: cRacer Contactor \/ Probe Head\" data-aria_expanded=\"Click to collapse: cRacer Contactor \/ Probe Head\">cRacer 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>Lowest COT for next-generation 5G mmWave FR2 up to 54+ GHz<\/strong><\/span><\/p>\n<p>cRacer utilizes robust spring probe technology for testing singulated packages or probe heads for wafer probe (bumped\/pad) applications with fine pitch and WLCSP compatibility \u2013 ranging from 150 \u00b5m to 650 \u00b5m, covering the majority of 5G devices.<\/p>\n<p>cRacer features a stainless-steel spring for tri-temp testing and performance in operating temperatures -55\u00b0C to +155\u00b0C.<\/p>\n<div  class='avia-button-wrap av-9sseu-d6d681d8d4becdec31e1eec9c4c53b16-wrap avia-button-left  avia-builder-el-18  el_after_av_button  el_before_av_button '><a href='https:\/\/www.cohu.com\/cracer\/'  class='avia-button av-9sseu-d6d681d8d4becdec31e1eec9c4c53b16 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-c92jvq-0b57b2ab4171aa1df3a3a6ad5b58b2ab'  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=\"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-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>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-19  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-6h8k12-a8a25fc947a25e1fee0943785402e64c'  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=\"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-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><strong>Industry preferred high performance, high value, low cost True Kelvin QuadTech contacting solution<\/strong><\/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-20  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-10u2zq-6ecc5a82de2519eb80f9036c86c0f53d'  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=\"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-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><strong><span style=\"color: #0053a1;\">Industry preferred high performance, high value, low cost QuadTech contacting solution<\/span><\/strong><\/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-bjbjyu-4ce48940ba9f8a9254af489f665a8f8b-wrap avia-button-left  avia-builder-el-21  el_after_av_button  el_before_av_button '><a href='https:\/\/www.cohu.com\/mercury'  class='avia-button av-bjbjyu-4ce48940ba9f8a9254af489f665a8f8b 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-8zbvae-fa368b3a49b95ef2e9880d7ac3ac0f19'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-11' data-fake-id='#toggle-id-11' class='toggler  av-title-above av-inherit-font-color hasCustomColor av-inherit-border-color'  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-11' 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-11' aria-labelledby='toggle-toggle-id-11' 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 plunge-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-22  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-s4ap2-e932fcfa9204dbce439066b385974313'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-12' data-fake-id='#toggle-id-12' class='toggler  av-title-above av-inherit-font-color hasCustomColor av-inherit-border-color'  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-12' 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-12' aria-labelledby='toggle-toggle-id-12' 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><strong><span style=\"color: #0053a1;\">Excellent RF performance with low cost of ownership<\/span><\/strong><\/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\u00ba C to +150\u00ba C).<\/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-5ai286-f4daa7503e674487213ffa89853b12b9-wrap avia-button-left  avia-builder-el-23  el_after_av_button  el_before_av_button '><a href='https:\/\/www.cohu.com\/rf-scrub'  class='avia-button av-5ai286-f4daa7503e674487213ffa89853b12b9 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-22eqza-2-232da3cf730c82e1902a6e95dbed193a'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-13' data-fake-id='#toggle-id-13' class='toggler  av-title-above av-inherit-font-color hasCustomColor av-inherit-border-color'  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-13' data-slide-speed=\"200\" data-title=\"ULTRA-S Contactor\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: ULTRA-S Contactor\" data-aria_expanded=\"Click to collapse: ULTRA-S Contactor\">ULTRA-S Contactor<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-13' aria-labelledby='toggle-toggle-id-13' 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>Durable, Long Lifespan. Higher Test Yield.<\/strong><\/span><\/p>\n<p>The ULTRA\u00ae-S cantilever spring contactor is engineered for high yield and consistent performance in the most demanding environments. Unlike traditional elastomer-based interfaces, ULTRA-S eliminates performance degradation caused by compression set, temperature, and humidity exposure.<\/p>\n<div  class='avia-button-wrap av-ox6ggo-22076f80441778fab906b0b02b8648e5-wrap avia-button-left  avia-builder-el-24  el_after_av_button  el_before_av_button '><a href='https:\/\/www.cohu.com\/ultra-s\/'  class='avia-button av-ox6ggo-22076f80441778fab906b0b02b8648e5 av-link-btn avia-icon_select-no avia-size-small avia-position-left avia-color-light'   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-22eqza-2-09b1b20faec168cddf43b9f7a6fcb33a'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-14' data-fake-id='#toggle-id-14' class='toggler  av-title-above av-inherit-font-color hasCustomColor av-inherit-border-color'  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-14' data-slide-speed=\"200\" data-title=\"xWave Contactor \/ Probe Head\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: xWave Contactor \/ Probe Head\" data-aria_expanded=\"Click to collapse: xWave Contactor \/ Probe Head\">xWave Contactor \/ Probe Head<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-14' aria-labelledby='toggle-toggle-id-14' 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>Broadband Production Solution for cmWave and mmWave up to 100 GHz<\/strong><\/span><\/p>\n<p>The xWave contactor utilizes patented hybrid contacting technology to optimize RF performance and provide robustness for production testing of the most challenging cmWave and mmWave devices. Inside the xWave contactor are embedded patch antennas and coplanar waveguides for both wireless and wired communication.<\/p>\n<p>In addition to wireless communication xWave contactors minimize the number of transitions between the DUT and tester through the use of co-planar waveguide structures that make direct connection with the DUT, bypass the PCB, and connect to the tester with either coaxial cable or waveguides.<\/p>\n<div  class='avia-button-wrap av-2iddpi-1-8b0666a857002a2df367028919c34840-wrap avia-button-left  avia-builder-el-25  el_after_av_button  avia-builder-el-last '><a href='https:\/\/www.cohu.com\/xwave'  class='avia-button av-2iddpi-1-8b0666a857002a2df367028919c34840 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<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-7sq38m-7561400d5ee627c073627384132bcc52\">\n.flex_column.av-7sq38m-7561400d5ee627c073627384132bcc52{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-7sq38m-7561400d5ee627c073627384132bcc52 av_one_half  avia-builder-el-26  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-nez02u-2c2e58a6cde7687fa35d20fc58e882e4\">\n#top #wrap_all .avia-icon-list-container.av-nez02u-2c2e58a6cde7687fa35d20fc58e882e4 .av_iconlist_title{\nfont-size:18px;\ncolor:#363636;\n}\n.avia-icon-list-container.av-nez02u-2c2e58a6cde7687fa35d20fc58e882e4 .iconlist_content{\ncolor:#363636;\n}\n<\/style>\n<div  class='avia-icon-list-container av-nez02u-2c2e58a6cde7687fa35d20fc58e882e4  avia-builder-el-27  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-nez02u-2c2e58a6cde7687fa35d20fc58e882e4'>\n<li><div class='iconlist_icon av-6ahpqu-8994b00f651531048124ce3441d83a5a 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>High voltages<\/li>\n<li>Recessed pads<\/li>\n<li>Device asymmetry<\/li>\n<li>Kelvin test<\/li>\n<li>Tin migration<\/li>\n<li>High contact spring wear on NiPd platings<\/li>\n<li>Tin oxide on leads<\/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-k6mh1i-7844f38270a7a983fdc32ca3739539b6\">\n#top #wrap_all .avia-icon-list-container.av-k6mh1i-7844f38270a7a983fdc32ca3739539b6 .av_iconlist_title{\nfont-size:18px;\ncolor:#363636;\n}\n.avia-icon-list-container.av-k6mh1i-7844f38270a7a983fdc32ca3739539b6 .iconlist_content{\ncolor:#363636;\n}\n<\/style>\n<div  class='avia-icon-list-container av-k6mh1i-7844f38270a7a983fdc32ca3739539b6  avia-builder-el-28  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-k6mh1i-7844f38270a7a983fdc32ca3739539b6'>\n<li><div class='iconlist_icon av-34tmxi-9cc6b3ecdac11e44841630bafad2be25 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>Self-cleaning wipe<\/li>\n<li>Wide spring tips<\/li>\n<li>High contact force<\/li>\n<li>Relatively high surface area for heat dissipation<\/li>\n<li>Relatively high thermal mass<\/li>\n<li>Durable one piece design<\/li>\n<li>Low and stable contact resistance<\/li>\n<li>High current carrying capability<\/li>\n<li>Large mechanical operating window for stable contactor performance<\/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-rczyfq-0dbd485e1c2092cb2f8dfa26c19d5f19\">\n#top #wrap_all .avia-icon-list-container.av-rczyfq-0dbd485e1c2092cb2f8dfa26c19d5f19 .av_iconlist_title{\nfont-size:18px;\ncolor:#363636;\n}\n.avia-icon-list-container.av-rczyfq-0dbd485e1c2092cb2f8dfa26c19d5f19 .iconlist_content{\ncolor:#363636;\n}\n<\/style>\n<div  class='avia-icon-list-container av-rczyfq-0dbd485e1c2092cb2f8dfa26c19d5f19  avia-builder-el-29  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-rczyfq-0dbd485e1c2092cb2f8dfa26c19d5f19'>\n<li><div class='iconlist_icon av-9gcvq-368e61c2cdf0a6ab46e036d18736c010 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 pin counts<\/li>\n<li>Used for a wide range of applications<\/li>\n<li>Low cost packages<\/li>\n<li>Typically NiPd or tin plated<\/li>\n<li>Most have exposed ground pad<\/li>\n<li>Very high volume<\/li>\n<\/ul>\n<\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><div class=\"iconlist-timeline\"><\/div><\/li>\n<\/ul><\/div><\/p><\/div><\/p>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-juuus2gr-2-28126a49fb10abc292365494c06a508f\">\n#top 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class='iconbox_content_title '  itemprop=\"headline\" >Expertise<\/h3><\/header><div class='iconbox_content_container av_inherit_color'  itemprop=\"text\" ><p>Learn more about our Interface Solutions.<\/p>\n<\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-12q2uq8-488fe01b0583209f3b315fc8ca91d53e\">\n.flex_column.av-12q2uq8-488fe01b0583209f3b315fc8ca91d53e{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-12q2uq8-488fe01b0583209f3b315fc8ca91d53e av_one_fourth  avia-builder-el-36  el_after_av_two_fifth  avia-builder-el-last  flex_column_div av-zero-column-padding  '     ><\/div>\n\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":35,"featured_media":0,"parent":9691,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"template-nokeyvisual.php","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"class_list":["post-9734","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>QFN\/DFN\/MLF Interface Solutions - Test Contactors \/ Probe Heads | Cohu<\/title>\n<meta name=\"description\" content=\"QFN \/ DFN \/ MLFs are leadframe or organic substrate based packages that are usually encapsuled in a rectangular plastic body.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.cohu.com\/package-type-qfn-dfn-mlf\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" 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