{"id":794,"date":"2023-08-17T19:35:56","date_gmt":"2023-08-17T19:35:56","guid":{"rendered":"https:\/\/partstack.com\/blog\/?p=794"},"modified":"2024-05-28T13:54:57","modified_gmt":"2024-05-28T13:54:57","slug":"understanding-ansi-esd-20-20-standard-comprehensive-guide","status":"publish","type":"post","link":"https:\/\/partstack.com\/blog\/understanding-ansi-esd-20-20-standard-comprehensive-guide\/","title":{"rendered":"Understanding the ANSI\/ESD 20.20 Standard: A Comprehensive Guide"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Electrostatic discharge (ESD) is a problem for many electronic devices. It&#8217;s also very common. Because of that, all devices need to be protected from ESD. You need to have measures in place to ensure that the devices you produce are not at risk.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">One way to achieve this is to comply with the ESD 20.20 standard. This sets quality management standards for developing ESD control programs to protect sensitive components and equipment.<\/span><\/p>\n<h2><span style=\"font-weight: 400; color: #ffffff;\">Understanding ESD and Its Impacts<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Properly controlling and managing ESD begins with understanding the impact of it on equipment and potential safety.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Definition and Causes of Electrostatic Discharge<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">We&#8217;ve all felt a slight shock when we touch a car or a metal doorknob or take clothes out of the dryer. This slight shock is<\/span><a href=\"https:\/\/www.techtarget.com\/whatis\/definition\/electrostatic-discharge-ESD\" target=\"_blank\" rel=\"noopener\"> <span style=\"font-weight: 400;\">electrostatic discharge<\/span><\/a><span style=\"font-weight: 400;\"> (sometimes called static electricity). While typically harmless to us (although it&#8217;s worth noting that lightning is an extremely powerful electrostatic discharge), this shock can cause problems for sensitive electronics.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">ESD is caused when two different conductive materials rub together. One material becomes positively charged, the other negatively charged. The positively charged material then causes an ESD event when it touches another conductive material. The material doesn&#8217;t even have to be particularly conductive. Examples include styrofoam cups, plastic bags, carpets, and, of course, people.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Effects of ESD on Electronic Components and Devices<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Specific common devices and components are<\/span><a href=\"https:\/\/blog.ansi.org\/ansi-esd-s20-20-2021-protection-electronic-parts\/#gref\" target=\"_blank\" rel=\"noopener\"> <span style=\"font-weight: 400;\">particularly sensitive<\/span><\/a><span style=\"font-weight: 400;\"> to ESD. They include:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Microcircuits<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Discrete semiconductors<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Film resistors (thick and thin)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Printed circuit boards<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Hybrid devices<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Piezoelectric crystals<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">An<\/span><a href=\"https:\/\/www.esda.org\/esd-overview\/esd-fundamentals\/part-1-an-introduction-to-esd\/\"> <span style=\"font-weight: 400;\">ESD event<\/span><\/a><span style=\"font-weight: 400;\"> can cause immediate and permanent physical damage to components, resulting in total or partial failure. In this case, the failed part may be detected before shipment or during final testing. More insidious is a latent failure, which results in the component or device being damaged but continuing to function for a time. This results in premature failure that can be expensive and dangerous. ESD events can mean discharge <\/span><i><span style=\"font-weight: 400;\">to<\/span><\/i><span style=\"font-weight: 400;\"> the device, discharge <\/span><i><span style=\"font-weight: 400;\">from<\/span><\/i><span style=\"font-weight: 400;\"> the device, and field-induced discharges, which result from exposure to electrostatic fields created by discharges in the area, all of which must be addressed in electronic components protection plans.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Importance of Implementing ESD Protection Measures<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">As you can see from this, ESD events can cause failures and be a safety hazard. Proper ESD implementation can ensure that you do not ship components with ESD exposure.<\/span><\/p>\n<h2><span style=\"font-weight: 400; color: #ffffff;\">Overview of the ESD 20.20 Standard<\/span><\/h2>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter wp-image-796 size-large\" src=\"https:\/\/partstack.com\/blog\/wp-content\/uploads\/2023\/06\/Employee-carrying-a-silicon-wafer-in-compliance-with-the-EDS-20.20-Standard-1024x715.jpg\" alt=\"Employee carrying a silicon wafer in compliance with the ESD 20.20 Standard\" width=\"1024\" height=\"715\" srcset=\"https:\/\/partstack.com\/blog\/wp-content\/uploads\/2023\/06\/Employee-carrying-a-silicon-wafer-in-compliance-with-the-EDS-20.20-Standard-1024x715.jpg 1024w, https:\/\/partstack.com\/blog\/wp-content\/uploads\/2023\/06\/Employee-carrying-a-silicon-wafer-in-compliance-with-the-EDS-20.20-Standard-300x209.jpg 300w, https:\/\/partstack.com\/blog\/wp-content\/uploads\/2023\/06\/Employee-carrying-a-silicon-wafer-in-compliance-with-the-EDS-20.20-Standard-768x536.jpg 768w, https:\/\/partstack.com\/blog\/wp-content\/uploads\/2023\/06\/Employee-carrying-a-silicon-wafer-in-compliance-with-the-EDS-20.20-Standard.jpg 1225w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">The<\/span><a href=\"https:\/\/www.nqa.com\/en-us\/certification\/standards\/esd-s2020\" target=\"_blank\" rel=\"noopener\"> <span style=\"font-weight: 400;\">ESD 20.20<\/span><\/a><span style=\"font-weight: 400;\"> standard is designed to support the development of ESD control strategies and operates across multiple industries.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Introduction to the ESD 20.20 Standard and Its Development<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">ESD 20.20 replaces the older MIL-STD 1686. It&#8217;s also referenced by TL 9000 as a best practice. It provides administrative and technical requirements that address training, ESD-protected area requirements, and other technical requirements. Note that it refers to several other ESD Association standards.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The standard was introduced in 2014 and revised for clarity in 2021, adding some requirements for compliance verification and adding packaging requirements.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Explanation of the Key Objectives and Scope of the Standard<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">The key objective of the standard is to ensure that components are not subjected to ESD damage before leaving the factory. It applies to any company or organization that manufactures, processes, assembles, installs, packages, services, tests, inspects, transports, or handles any parts or equipment that can be damaged by ESDs of 100 volts from the human body model (HBM) and 200 volts from the charged device model (CDM). For isolated conductors, the voltage is limited to less than 35 volts.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Importance of Compliance With the ESD 20.20 Standard<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Complying with ESD 20.20 is not a legal requirement per se. But it can help you meet both regulatory and customer requirements. It can even improve your ability to meet deadlines. The certification also ensures that your compliance is visible to customers and reduces the risk of shipping &#8220;bad&#8221; components.<\/span><\/p>\n<h2><span style=\"font-weight: 400; color: #ffffff;\">ESD Control Program<\/span><\/h2>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-798 size-large\" src=\"https:\/\/partstack.com\/blog\/wp-content\/uploads\/2023\/06\/Electronics-manufacturing-machinery-that-complies-with-the-ESD-20.20-Standard-1024x576.jpg\" alt=\"Electronics manufacturing machinery that complies with the ESD 20.20 Standard\" width=\"1024\" height=\"576\" srcset=\"https:\/\/partstack.com\/blog\/wp-content\/uploads\/2023\/06\/Electronics-manufacturing-machinery-that-complies-with-the-ESD-20.20-Standard-1024x576.jpg 1024w, https:\/\/partstack.com\/blog\/wp-content\/uploads\/2023\/06\/Electronics-manufacturing-machinery-that-complies-with-the-ESD-20.20-Standard-300x169.jpg 300w, https:\/\/partstack.com\/blog\/wp-content\/uploads\/2023\/06\/Electronics-manufacturing-machinery-that-complies-with-the-ESD-20.20-Standard-768x432.jpg 768w, https:\/\/partstack.com\/blog\/wp-content\/uploads\/2023\/06\/Electronics-manufacturing-machinery-that-complies-with-the-ESD-20.20-Standard.jpg 1365w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">Designing a great ESD control program supports customer satisfaction and lowers costs. ESD damage prevention reduces costs and time-to-ship significantly.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Designing an Effective ESD Control Program<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">An effective ESD control program identifies and mitigates all potential sources of electrostatic discharge, including personnel. This starts with a risk assessment of the production and transport environment.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Elements and Components of an ESD Control Program<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">There are three fundamental principles:<\/span><\/p>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Bond and ground <\/span><i><span style=\"font-weight: 400;\">all<\/span><\/i><span style=\"font-weight: 400;\"> conductions in the environment, including personnel (for example, wrist-attached ground cords).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Also, ensure that process-essential insulators do <\/span><i><span style=\"font-weight: 400;\">not<\/span><\/i><span style=\"font-weight: 400;\"> lose their electrostatic charge if they touch the ground.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Finally, transport sensitive items in protective enclosures.<\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">All three of these elements need to be present for ESD best practices.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Risk Assessment and Evaluation in ESD Control<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">It&#8217;s vital to do an initial audit, risk assessment, and ongoing evaluations to ensure your program is working as designed and staff comply. ESD certification supports this by requiring ongoing auditing and surveillance.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">ESD 20.20 Requirements and Procedures<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">The ESD 20.20 requirements fall into five separate areas:<\/span><\/p>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Personnel grounding. This might mean wrist straps, special footwear, or training to ensure that personnel properly ground themselves before risking contact with sensitive components.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">ESD-protected area (EPA) requirements. Keeping areas free of ESD risk might mean keeping certain devices (or people) out of storage areas.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">ESD control devices and equipment. This includes grounding equipment and containment devices.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Packaging, handling, and transportation guidelines. ESD-sensitive components should always have proper transportation in ESD-proof packaging. It&#8217;s particularly important to ensure there is no static discharge when packaging items.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">ESD compliance verification and auditing procedures. ESD control is not one-and-done; you must keep updating your program and monitoring with a comprehensive auditing process.<\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">Companies must meet all of these requirements to gain and maintain certification.<\/span><\/p>\n<h2><span style=\"font-weight: 400; color: #ffffff;\">ESD 20.20 Certification and Training<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">All companies that handle sensitive components benefit from ESD 20.20 certification and from training their staff in ESD awareness and control measures.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Importance of ESD Certification and Training Programs<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">ESD training and certification allow you to demonstrate to your customers, all the way through the control chain, that you are taking the best measures to prevent damage from static electricity. It also shows your overall professionalism and commitment to quality.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Recognized Certification Bodies for ESD 20.20 Compliance<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">The following<\/span><a href=\"https:\/\/www.esda.org\/certification\/eosesd-association-esd-facility-certification\/ansiesd-s20-20-accredited-certification-bodies\/\" target=\"_blank\" rel=\"noopener\"> <span style=\"font-weight: 400;\">organizations<\/span><\/a><span style=\"font-weight: 400;\"> are recognized and can certify ESD 20.20 compliance:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">ABS Quality Evaluations<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">BSI, Inc<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Bureau Veritas Certification North America, Inc.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">CEPREI Certification Body<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Crown Certification Testing Co., Ltd.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">DEKRA Certification, Inc.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">DNV GL &#8211; Business Assurance USA, Inc.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">DQS, Inc.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">International Standards Authority<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Intertek Testing Services NA Inc.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Lloyd&#8217;s Register Quality Assurance Inc.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">National Quality Assurance USA and UK<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">SAI Global<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">SGS SA<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">TUV Rheinland Ltd.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Shanghai NQA Certification Company Limited<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">TUV SUD America, Inc.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">TUV SUD PSB Pte. Ltd.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">URS Certification, Ltd.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Choose a certification body that is accredited in your area and with which you are comfortable working. Check the list regularly in case it changes.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Training Requirements and Resources for ESD Awareness and Control<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Your personnel also needs to be up to date on industry developments in ESD protection and control. Ongoing training is vital not only to maintain certification but to continue to upgrade your standards. Certification bodies often provide training resources to help everyone get up to speed.<\/span><\/p>\n<h2><span style=\"font-weight: 400; color: #ffffff;\">Benefits of ESD 20.20 Compliance<\/span><\/h2>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-797 size-large\" src=\"https:\/\/partstack.com\/blog\/wp-content\/uploads\/2023\/06\/Electronic-technician-wearing-gloves-and-following-ESD-20.20-Standard-processes-1024x683.jpg\" alt=\"Electronic technician wearing gloves and following ESD 20.20 Standard processes\" width=\"1024\" height=\"683\" srcset=\"https:\/\/partstack.com\/blog\/wp-content\/uploads\/2023\/06\/Electronic-technician-wearing-gloves-and-following-ESD-20.20-Standard-processes-1024x683.jpg 1024w, https:\/\/partstack.com\/blog\/wp-content\/uploads\/2023\/06\/Electronic-technician-wearing-gloves-and-following-ESD-20.20-Standard-processes-300x200.jpg 300w, https:\/\/partstack.com\/blog\/wp-content\/uploads\/2023\/06\/Electronic-technician-wearing-gloves-and-following-ESD-20.20-Standard-processes-768x513.jpg 768w, https:\/\/partstack.com\/blog\/wp-content\/uploads\/2023\/06\/Electronic-technician-wearing-gloves-and-following-ESD-20.20-Standard-processes.jpg 1254w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">Complying with ESD 20.20 comes with a variety of benefits:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It helps you meet customer requirements, allowing you to get larger and more lucrative contracts.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It protects you from regulatory changes. The standard is typically at least what is required by most jurisdictions.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Improve your overall quality assurance, reducing the risk of ESD-related failures and associated costs.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It creates a competitive advantage.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It improves product reliability.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Ultimately, it helps you improve customer satisfaction while lowering costs and providing an excellent ROI.<\/span><\/p>\n<h2><span style=\"font-weight: 400; color: #ffffff;\">Challenges and Future of ESD Control<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">The biggest challenge to ESD control is increased automation. While automation removes the human body as a potential source of ESD, it adds machinery that can produce discharges at an even higher voltage. The development of higher technology and increased use of microcircuits and sensitive components in, for example, household appliances makes ESD control an ongoing challenge for more and more companies.<\/span><\/p>\n<h2><span style=\"font-weight: 400; color: #ffffff;\">Key Takeaway About the ESD 20.20 Standard<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">If you are shipping and\/or handling sensitive components, then the ESD 20.20 standard helps you demonstrate that you are taking the best steps to protect them from electrostatic discharges.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">This helps you lower costs by improving quality assurance, reducing re-ships, and improving customer satisfaction and confidence in your products.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Electrostatic discharge (ESD) is a problem for many electronic devices. It&#8217;s also very common. Because of that, all devices need to be protected from ESD. You need to have measures in place to ensure that the devices you produce are not at risk. One way to achieve this is to comply with the ESD 20.20 [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":795,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[37,49],"tags":[17,22,21,4,81],"class_list":["post-794","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-featured","category-partstack-guides","tag-circuits","tag-components","tag-electronics","tag-manufacturing","tag-quality-control"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.0 (Yoast SEO v28.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Understanding the ANSI\/ESD 20.20 Standard: A Comprehensive Guide - Partstack<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/partstack.com\/blog\/understanding-ansi-esd-20-20-standard-comprehensive-guide\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Understanding the ANSI\/ESD 20.20 Standard: A Comprehensive Guide\" \/>\n<meta property=\"og:description\" content=\"Electrostatic discharge (ESD) is a problem for many electronic devices. It&#8217;s also very common. Because of that, all devices need to be protected from ESD. You need to have measures in place to ensure that the devices you produce are not at risk. 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