{"id":3432,"date":"2022-02-01T01:27:51","date_gmt":"2022-02-01T09:27:51","guid":{"rendered":"https:\/\/wonghoi.humgar.com\/blog\/?p=3432"},"modified":"2022-02-01T01:27:52","modified_gmt":"2022-02-01T09:27:52","slug":"capacitor-plague-for-unused-new-in-stock-boards","status":"publish","type":"post","link":"https:\/\/wonghoi.humgar.com\/blog\/2022\/02\/01\/capacitor-plague-for-unused-new-in-stock-boards\/","title":{"rendered":"Capacitor Plague for unused New In Stock boards"},"content":{"rendered":"\n<p>The conventional wisdom is that the bad capacitors (the ones with stolen chemical formula) bulged because of the hours you put in it. Today I found that it&#8217;s not true. I had a batch of new old stock Trinity S2390 motherboard (used in Agilent logic analyzers) and I noticed all the 100uF 6.3V capacitors bulged and one burst:<\/p>\n\n\n\n<figure class=\"wp-block-gallery columns-2 is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/wonghoi.humgar.com\/blog\/wp-content\/uploads\/2022\/02\/DSC_3062-1024x683.jpg\" alt=\"\" data-id=\"3433\" data-full-url=\"https:\/\/wonghoi.humgar.com\/blog\/wp-content\/uploads\/2022\/02\/DSC_3062-scaled.jpg\" data-link=\"https:\/\/wonghoi.humgar.com\/blog\/?attachment_id=3433\" class=\"wp-image-3433\" srcset=\"https:\/\/wonghoi.humgar.com\/blog\/wp-content\/uploads\/2022\/02\/DSC_3062-1024x683.jpg 1024w, https:\/\/wonghoi.humgar.com\/blog\/wp-content\/uploads\/2022\/02\/DSC_3062-300x200.jpg 300w, https:\/\/wonghoi.humgar.com\/blog\/wp-content\/uploads\/2022\/02\/DSC_3062-768x512.jpg 768w, https:\/\/wonghoi.humgar.com\/blog\/wp-content\/uploads\/2022\/02\/DSC_3062-1536x1024.jpg 1536w, https:\/\/wonghoi.humgar.com\/blog\/wp-content\/uploads\/2022\/02\/DSC_3062-2048x1365.jpg 2048w, https:\/\/wonghoi.humgar.com\/blog\/wp-content\/uploads\/2022\/02\/DSC_3062-840x560.jpg 840w, https:\/\/wonghoi.humgar.com\/blog\/wp-content\/uploads\/2022\/02\/DSC_3062-120x80.jpg 120w, https:\/\/wonghoi.humgar.com\/blog\/wp-content\/uploads\/2022\/02\/DSC_3062-360x240.jpg 360w, https:\/\/wonghoi.humgar.com\/blog\/wp-content\/uploads\/2022\/02\/DSC_3062-600x400.jpg 600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/wonghoi.humgar.com\/blog\/wp-content\/uploads\/2022\/02\/DSC_3064-1024x683.jpg\" alt=\"\" data-id=\"3434\" data-full-url=\"https:\/\/wonghoi.humgar.com\/blog\/wp-content\/uploads\/2022\/02\/DSC_3064-scaled.jpg\" data-link=\"https:\/\/wonghoi.humgar.com\/blog\/?attachment_id=3434\" class=\"wp-image-3434\" srcset=\"https:\/\/wonghoi.humgar.com\/blog\/wp-content\/uploads\/2022\/02\/DSC_3064-1024x683.jpg 1024w, https:\/\/wonghoi.humgar.com\/blog\/wp-content\/uploads\/2022\/02\/DSC_3064-300x200.jpg 300w, https:\/\/wonghoi.humgar.com\/blog\/wp-content\/uploads\/2022\/02\/DSC_3064-768x512.jpg 768w, https:\/\/wonghoi.humgar.com\/blog\/wp-content\/uploads\/2022\/02\/DSC_3064-1536x1024.jpg 1536w, https:\/\/wonghoi.humgar.com\/blog\/wp-content\/uploads\/2022\/02\/DSC_3064-2048x1365.jpg 2048w, https:\/\/wonghoi.humgar.com\/blog\/wp-content\/uploads\/2022\/02\/DSC_3064-840x560.jpg 840w, https:\/\/wonghoi.humgar.com\/blog\/wp-content\/uploads\/2022\/02\/DSC_3064-120x80.jpg 120w, https:\/\/wonghoi.humgar.com\/blog\/wp-content\/uploads\/2022\/02\/DSC_3064-360x240.jpg 360w, https:\/\/wonghoi.humgar.com\/blog\/wp-content\/uploads\/2022\/02\/DSC_3064-600x400.jpg 600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/li><\/ul><\/figure>\n\n\n\n<p>Reminds me of <a href=\"https:\/\/wonghoi.humgar.com\/blog\/2019\/05\/12\/duracell-leaks-in-original-package-before-being-used\/\" data-type=\"post\" data-id=\"1763\">Duralcell&#8217;s Alkaline batteries (never used) that leaked<\/a> during storage (before the expiration date). Stop blaming the bad chemical formula on how users use them!<\/p>\n<div class=\"pvc_clear\"><\/div><p id=\"pvc_stats_3432\" class=\"pvc_stats all  \" data-element-id=\"3432\" style=\"\"><i class=\"pvc-stats-icon medium\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/wonghoi.humgar.com\/blog\/wp-content\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=0 \/><\/p><div class=\"pvc_clear\"><\/div>","protected":false},"excerpt":{"rendered":"<p>The conventional wisdom is that the bad capacitors (the ones with stolen chemical formula) bulged because of the hours you put in it. Today I found that it&#8217;s not true. I had a batch of new old stock Trinity S2390 &hellip; <a href=\"https:\/\/wonghoi.humgar.com\/blog\/2022\/02\/01\/capacitor-plague-for-unused-new-in-stock-boards\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_3432\" class=\"pvc_stats all  \" data-element-id=\"3432\" style=\"\"><i class=\"pvc-stats-icon medium\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/wonghoi.humgar.com\/blog\/wp-content\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=0 \/><\/p>\n<div class=\"pvc_clear\"><\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[18],"tags":[],"class_list":["post-3432","post","type-post","status-publish","format-standard","hentry","category-electronics"],"_links":{"self":[{"href":"https:\/\/wonghoi.humgar.com\/blog\/wp-json\/wp\/v2\/posts\/3432","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wonghoi.humgar.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wonghoi.humgar.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wonghoi.humgar.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wonghoi.humgar.com\/blog\/wp-json\/wp\/v2\/comments?post=3432"}],"version-history":[{"count":1,"href":"https:\/\/wonghoi.humgar.com\/blog\/wp-json\/wp\/v2\/posts\/3432\/revisions"}],"predecessor-version":[{"id":3435,"href":"https:\/\/wonghoi.humgar.com\/blog\/wp-json\/wp\/v2\/posts\/3432\/revisions\/3435"}],"wp:attachment":[{"href":"https:\/\/wonghoi.humgar.com\/blog\/wp-json\/wp\/v2\/media?parent=3432"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wonghoi.humgar.com\/blog\/wp-json\/wp\/v2\/categories?post=3432"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wonghoi.humgar.com\/blog\/wp-json\/wp\/v2\/tags?post=3432"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}