Full Wave Bridge Rectifier | Electronics Forum (Circuits, Projects and Microcontrollers)

<!DOCTYPE html> <html id="XF" lang="en-US" dir="LTR" data-app="public" data-template="thread_view" data-container-key="node-7" data-content-key="thread-166926" data-logged-in="false" data-cookie-prefix="xf_" data-csrf="1732395281,c81a20f7dded63e6e4893e6552478ac1" class="has-no-js template-thread_view XenBase layout-classic style-light sidebar-right xb-toggle-default xb-sidebar-show" > <head> <link rel="amphtml" href="https://www.electro-tech-online.com/threads/full-wave-bridge-rectifier.166926/?amp=1"> <meta charset="utf-8" /> <meta http-equiv="X-UA-Compatible" content="IE=Edge" /> <meta name="viewport" content="width=device-width, initial-scale=1, viewport-fit=cover"> <meta name="google-site-verification" content="8aECyKQ0jTEfZHF2mNguWwCvxcGSDIcHlRgLdE6BSCE" />  <script async src="https://securepubads.g.doubleclick.net/tag/js/gpt.js"></script> <script> window.googletag = window.googletag || {cmd: []}; googletag.cmd.push(function() { var pathParts = window.location.pathname.substr(1).split('/'); var mapHeader = googletag.sizeMapping() .addSize([768, 200], [728, 90]) .addSize([0, 0], [300, 250]) .build(); var mapLargeHeader = googletag.sizeMapping() .addSize([1024, 200], [[970, 90], [970, 250]]) .addSize([0, 0], [300, 250]) .build(); var mapWallpaper = googletag.sizeMapping() .addSize([1024, 500], [[1, 1]]) .addSize([0, 0], [[1, 1]]) .build(); var gptSlots = []; gptSlots[0] = googletag.defineSlot('/5272491/ee_network/eto_header', [[300, 250], [728, 90]], 'div-gpt-eto-header') .defineSizeMapping(mapHeader) .addService(googletag.pubads()); gptSlots[1] = googletag.defineSlot('/5272491/ee_network/eto_largeleader', [[970, 90], [970, 250]], 'div-gpt-eto_largeleader') .defineSizeMapping(mapLargeHeader) .addService(googletag.pubads()); gptSlots[2] = googletag.defineSlot('/5272491/ee_network/eto_wallpaper', [[1, 1]], 'div-gpt-eto_wallpaper') .defineSizeMapping(mapWallpaper) .addService(googletag.pubads()); googletag.defineSlot('/5272491/ee_network/eto_customsearchbox', [[300, 90]], 'div-gpt-eto_customsearchbox').addService(googletag.pubads()); googletag.defineSlot('/5272491/ee_network/eto_sidebar1', [[300, 250], [300, 600]], 'div-gpt-eto_sidebar1').addService(googletag.pubads()); googletag.defineSlot('/5272491/ee_network/eto_sidebarbottom', [[300, 250], [300, 600]], 'div-gpt-eto_sidebarbottom').addService(googletag.pubads()); googletag.defineSlot('/5272491/ee_network/eto_thread1', [[728, 90]], 'div-gpt-eto_thread1').addService(googletag.pubads()); googletag.defineSlot('/5272491/ee_network/eto_thread2', [[728, 90]], 'div-gpt-eto_thread2').addService(googletag.pubads()); googletag.defineSlot('/5272491/ee_network/eto_thread3', [[728, 90]], 'div-gpt-eto_thread3').addService(googletag.pubads()); googletag.pubads().enableSingleRequest(); googletag.pubads().collapseEmptyDivs(); googletag.pubads().setTargeting('articletitle', pathParts[0] ? pathParts[0]: 'home-page'); googletag.enableServices(); }); </script>  <title>Full Wave Bridge Rectifier | Electronics Forum (Circuits, Projects and Microcontrollers)</title> <link rel="manifest" href="/webmanifest.php"> <meta name="theme-color" content="#232a35" /> <meta name="apple-mobile-web-app-title" content="Electronics Forum (Circuits, Projects and Microcontrollers)"> <meta name="description" content="Hi All, This is a silicon Full Wave Bridge Rectifier and I shot all 4 diodes with my DMM. 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It may not display this or other websites correctly.<br />You should upgrade or use an <a href="https://www.google.com/chrome/" target="_blank" rel="noopener">alternative browser</a>.</div> <div class="p-body-header"> <div class="p-title "> <h1 class="p-title-value">Full Wave Bridge Rectifier</h1> </div> <div class="p-description"> <ul class="listInline listInline--bullet"> <li> <i class="fa--xf fal fa-user" aria-hidden="true" title="Thread starter"></i> <span class="u-srOnly">Thread starter</span> <a href="/members/jb33.327169/" class="username u-concealed" dir="auto" data-user-id="327169" data-xf-init="member-tooltip">jb33</a> </li> <li> <i class="fa--xf fal fa-clock" aria-hidden="true" title="Start date"></i> <span class="u-srOnly">Start date</span> <a href="/threads/full-wave-bridge-rectifier.166926/" class="u-concealed"><time class="u-dt" dir="auto" datetime="2024-11-21T05:02:25-0800" data-time="1732194145" data-date-string="Nov 21, 2024" data-time-string="5:02 AM" title="Nov 21, 2024 at 5:02 AM">Thursday at 5:02 AM</time></a> </li> </ul> </div> </div> <div class="p-body-main p-body-main--withSidebar "> <div class="p-body-contentCol"></div> <div class="p-body-sidebarCol"></div> <div class="p-body-content"> <div class="p-body-pageContent"> <div class="block block--messages" data-xf-init="" data-type="post" data-href="/inline-mod/" data-search-target="*"> <span class="u-anchorTarget" id="posts"></span> <div class="block-outer"></div> <div class="block-outer js-threadStatusField"></div> <div class="block-container lbContainer" data-xf-init="lightbox select-to-quote" data-message-selector=".js-post" data-lb-id="thread-166926" data-lb-universal="0"> <div class="block-body js-replyNewMessageContainer"> <article class="message message--post js-post js-inlineModContainer " data-author="jb33" data-content="post-1457656" id="js-post-1457656" > <span class="u-anchorTarget" id="post-1457656"></span> <div class="message-inner"> <div class="message-cell message-cell--user"> <section class="message-user" > <div class="message-avatar "> <div class="message-avatar-wrapper"> <a href="/members/jb33.327169/" class="avatar avatar--m avatar--default avatar--default--dynamic" data-user-id="327169" data-xf-init="member-tooltip" style="background-color: #cccc99; color: #77773c"> <span class="avatar-u327169-m" role="img" aria-label="jb33">J</span> </a> </div> </div> <div class="message-userDetails"> <h4 class="message-name"><a href="/members/jb33.327169/" class="username " dir="auto" data-user-id="327169" data-xf-init="member-tooltip">jb33</a></h4> <h5 class="userTitle message-userTitle" dir="auto">New Member</h5> </div> <span class="message-userArrow"></span> </section> </div> <div class="message-cell message-cell--main"> <div class="message-main js-quickEditTarget"> <header class="message-attribution message-attribution--split"> <ul class="message-attribution-main listInline "> <li class="u-concealed"> <a href="/threads/full-wave-bridge-rectifier.166926/post-1457656" rel="nofollow" > <time class="u-dt" dir="auto" datetime="2024-11-21T05:02:25-0800" data-time="1732194145" data-date-string="Nov 21, 2024" data-time-string="5:02 AM" title="Nov 21, 2024 at 5:02 AM">Thursday at 5:02 AM</time> </a> </li> </ul> <ul class="message-attribution-opposite message-attribution-opposite--list "> <li> <a href="/threads/full-wave-bridge-rectifier.166926/post-1457656" class="message-attribution-gadget" data-xf-init="share-tooltip" data-href="/posts/1457656/share" aria-label="Share" rel="nofollow"> <i class="fa--xf fal fa-share-alt" aria-hidden="true"></i> </a> </li> <li> <a href="/threads/full-wave-bridge-rectifier.166926/post-1457656" rel="nofollow"> #1 </a> </li> </ul> </header> <div class="message-content js-messageContent"> <div class="message-userContent lbContainer js-lbContainer " data-lb-id="post-1457656" data-lb-caption-desc="jb33 · Nov 21, 2024 at 5:02 AM"> <article class="message-body js-selectToQuote"> <div > <div class="bbWrapper">Hi All,<br /> This is a silicon Full Wave Bridge Rectifier and I shot all 4 diodes with my DMM. I'm getting .488V drop through each diode. I was expecting something much closer to .7V. Does anybody think .488 is a bit low and may warrant replacement? Thank you in advance for your input!</div> </div> <div class="js-selectToQuoteEnd"> </div> </article> <section class="message-attachments"> <h4 class="block-textHeader">Attachments</h4> <ul class="attachmentList"> <li class="file file--linked"> <a class="u-anchorTarget" id="attachment-147798"></a> <script class="js-extraPhrases" type="application/json"> { "lightbox_close": "Close", "lightbox_next": "Next", "lightbox_previous": "Previous", "lightbox_error": "The requested content cannot be loaded. 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itemid="https://www.electro-tech-online.com/threads/full-wave-bridge-rectifier.166926/" /> <span class="u-anchorTarget" id="post-1457657"></span> <div class="message-inner"> <div class="message-cell message-cell--user"> <section class="message-user" itemprop="author" itemscope itemtype="https://schema.org/Person" itemid="https://www.electro-tech-online.com/members/nigel-goodwin.10131/"> <meta itemprop="url" content="https://www.electro-tech-online.com/members/nigel-goodwin.10131/" /> <div class="message-avatar message-avatar--online"> <div class="message-avatar-wrapper"> <a href="/members/nigel-goodwin.10131/" class="avatar avatar--m" data-user-id="10131" data-xf-init="member-tooltip"> <img src="/data/avatars/m/10/10131.jpg?1378874952" alt="Nigel Goodwin" class="avatar-u10131-m" width="96" height="96" loading="lazy" itemprop="image" /> </a> <span class="message-avatar-online" tabindex="0" data-xf-init="tooltip" data-trigger="auto" title="Online now"></span> </div> </div> <div class="message-userDetails"> <h4 class="message-name"><a href="/members/nigel-goodwin.10131/" class="username " dir="auto" data-user-id="10131" data-xf-init="member-tooltip"><span class="username--style5 username--moderator username--admin" itemprop="name">Nigel Goodwin</span></a></h4> <h5 class="userTitle message-userTitle" dir="auto" itemprop="jobTitle">Super Moderator</h5> <div class="userBanner userBanner userBanner--gray message-userBanner" itemprop="jobTitle"><span class="userBanner-before"></span><strong>Most Helpful Member</strong><span class="userBanner-after"></span></div> </div> <span class="message-userArrow"></span> </section> </div> <div class="message-cell message-cell--main"> <div class="message-main js-quickEditTarget"> <header class="message-attribution message-attribution--split"> <ul class="message-attribution-main listInline "> <li class="u-concealed"> <a href="/threads/full-wave-bridge-rectifier.166926/post-1457657" rel="nofollow" itemprop="url"> <time class="u-dt" dir="auto" datetime="2024-11-21T05:12:56-0800" data-time="1732194776" data-date-string="Nov 21, 2024" data-time-string="5:12 AM" title="Nov 21, 2024 at 5:12 AM" itemprop="datePublished">Thursday at 5:12 AM</time> </a> </li> </ul> <ul class="message-attribution-opposite message-attribution-opposite--list "> <li> <a href="/threads/full-wave-bridge-rectifier.166926/post-1457657" class="message-attribution-gadget" data-xf-init="share-tooltip" data-href="/posts/1457657/share" aria-label="Share" rel="nofollow"> <i class="fa--xf fal fa-share-alt" aria-hidden="true"></i> </a> </li> <li> <a href="/threads/full-wave-bridge-rectifier.166926/post-1457657" rel="nofollow"> #2 </a> </li> </ul> </header> <div class="message-content js-messageContent"> <div class="message-userContent lbContainer js-lbContainer " data-lb-id="post-1457657" data-lb-caption-desc="Nigel Goodwin · Nov 21, 2024 at 5:12 AM"> <article class="message-body js-selectToQuote"> <div itemprop="text"> <div class="bbWrapper">No, a faulty rectifier won't have a low voltage drop, it will either be S/C, O/C or reverse leaky - it sounds perfectly fine.<br /> <br /> If you put a high current through it, the voltage drop will increase, the tiny current from the meter is making it read much lower than it really is.</div> </div> <div class="js-selectToQuoteEnd"> </div> </article> </div> <aside class="message-signature"> <div class="bbWrapper">PIC programmer software, and PIC Tutorials at:<br /> <a href="http://www.winpicprog.co.uk" target="_blank" class="link link--external" rel="noopener">http://www.winpicprog.co.uk</a></div> </aside> </div> <footer class="message-footer"> <div class="message-microdata" itemprop="interactionStatistic" itemtype="https://schema.org/InteractionCounter" itemscope> <meta itemprop="userInteractionCount" content="1" /> <meta itemprop="interactionType" content="https://schema.org/LikeAction" /> </div> <div class="reactionsBar js-reactionsList is-active"> <ul 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datetime="2024-11-21T06:31:05-0800" data-time="1732199465" data-date-string="Nov 21, 2024" data-time-string="6:31 AM" title="Nov 21, 2024 at 6:31 AM" itemprop="datePublished">Thursday at 6:31 AM</time> </a> </li> </ul> <ul class="message-attribution-opposite message-attribution-opposite--list "> <li> <a href="/threads/full-wave-bridge-rectifier.166926/post-1457663" class="message-attribution-gadget" data-xf-init="share-tooltip" data-href="/posts/1457663/share" aria-label="Share" rel="nofollow"> <i class="fa--xf fal fa-share-alt" aria-hidden="true"></i> </a> </li> <li> <a href="/threads/full-wave-bridge-rectifier.166926/post-1457663" rel="nofollow"> #4 </a> </li> </ul> </header> <div class="message-content js-messageContent"> <div class="message-userContent lbContainer js-lbContainer " data-lb-id="post-1457663" data-lb-caption-desc="aliarifat794 · Nov 21, 2024 at 6:31 AM"> <article class="message-body js-selectToQuote"> <div itemprop="text"> <div class="bbWrapper">At lower currents, a diode's forward voltage drop can be less than the nominal 0.7V, so 0.488V may not be abnormal.</div> </div> <div class="js-selectToQuoteEnd"> </div> </article> </div> </div> <footer class="message-footer"> <div class="message-microdata" itemprop="interactionStatistic" itemtype="https://schema.org/InteractionCounter" itemscope> <meta itemprop="userInteractionCount" content="0" /> <meta itemprop="interactionType" content="https://schema.org/LikeAction" /> </div> <div class="reactionsBar js-reactionsList "> </div> <div class="js-historyTarget message-historyTarget toggleTarget" data-href="trigger-href"></div> </footer> </div> </div> </div> </article> <article class="message message--post js-post js-inlineModContainer " data-author="Miles Prower" data-content="post-1457681" id="js-post-1457681" itemscope itemtype="https://schema.org/Comment" itemid="https://www.electro-tech-online.com/posts/1457681/"> <meta itemprop="parentItem" itemscope 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data-xf-init="share-tooltip" data-href="/posts/1457681/share" aria-label="Share" rel="nofollow"> <i class="fa--xf fal fa-share-alt" aria-hidden="true"></i> </a> </li> <li> <a href="/threads/full-wave-bridge-rectifier.166926/post-1457681" rel="nofollow"> #5 </a> </li> </ul> </header> <div class="message-content js-messageContent"> <div class="message-userContent lbContainer js-lbContainer " data-lb-id="post-1457681" data-lb-caption-desc="Miles Prower · Nov 21, 2024 at 12:52 PM"> <article class="message-body js-selectToQuote"> <div itemprop="text"> <div class="bbWrapper"><blockquote data-attributes="member: 327169" data-quote="jb33" data-source="post: 1457656" class="bbCodeBlock bbCodeBlock--expandable bbCodeBlock--quote js-expandWatch"> <div class="bbCodeBlock-title"> <a href="/goto/post?id=1457656" class="bbCodeBlock-sourceJump" rel="nofollow" data-xf-click="attribution" data-content-selector="#post-1457656">jb33 said:</a> </div> <div class="bbCodeBlock-content"> <div class="bbCodeBlock-expandContent js-expandContent "> Hi All,<br /> This is a silicon Full Wave Bridge Rectifier and I shot all 4 diodes with my DMM. I'm getting .488V drop through each diode. </div> <div class="bbCodeBlock-expandLink js-expandLink"><a role="button" tabindex="0">Click to expand...</a></div> </div> </blockquote>Ptobably <a href="https://en.wikipedia.org/wiki/Schottky_diode" target="_blank" class="link link--external" rel="nofollow ugc noopener">Schottkey diodes</a>. A Vf of 0.488V is in the range for Schottkey's.</div> </div> <div class="js-selectToQuoteEnd"> </div> </article> </div> <aside class="message-signature"> <div class="bbWrapper"><span style="color: darkblue">Live Free or Die: Linux</span></div> </aside> </div> <footer class="message-footer"> <div class="message-microdata" itemprop="interactionStatistic" itemtype="https://schema.org/InteractionCounter" itemscope> <meta itemprop="userInteractionCount" content="0" /> <meta itemprop="interactionType" content="https://schema.org/LikeAction" /> </div> <div class="reactionsBar js-reactionsList "> </div> <div class="js-historyTarget message-historyTarget toggleTarget" data-href="trigger-href"></div> </footer> </div> </div> </div> </article> <article class="message message--post js-post js-inlineModContainer " data-author="Diver300" data-content="post-1457690" id="js-post-1457690" itemscope itemtype="https://schema.org/Comment" itemid="https://www.electro-tech-online.com/posts/1457690/"> <meta itemprop="parentItem" itemscope itemid="https://www.electro-tech-online.com/threads/full-wave-bridge-rectifier.166926/" /> <span class="u-anchorTarget" id="post-1457690"></span> <div class="message-inner"> <div class="message-cell message-cell--user"> <section class="message-user" itemprop="author" itemscope itemtype="https://schema.org/Person" itemid="https://www.electro-tech-online.com/members/diver300.73824/"> <meta itemprop="url" content="https://www.electro-tech-online.com/members/diver300.73824/" /> <div class="message-avatar message-avatar--online"> <div class="message-avatar-wrapper"> <a href="/members/diver300.73824/" class="avatar avatar--m avatar--default avatar--default--dynamic" data-user-id="73824" data-xf-init="member-tooltip" style="background-color: #9933cc; color: #e0c2f0"> <span class="avatar-u73824-m" role="img" aria-label="Diver300">D</span> </a> <span class="message-avatar-online" tabindex="0" data-xf-init="tooltip" data-trigger="auto" title="Online now"></span> </div> </div> <div class="message-userDetails"> <h4 class="message-name"><a href="/members/diver300.73824/" class="username " dir="auto" data-user-id="73824" data-xf-init="member-tooltip"><span itemprop="name">Diver300</span></a></h4> <h5 class="userTitle message-userTitle" dir="auto" itemprop="jobTitle">Well-Known Member</h5> <div class="userBanner userBanner userBanner--gray message-userBanner" itemprop="jobTitle"><span class="userBanner-before"></span><strong>Most Helpful Member</strong><span class="userBanner-after"></span></div> </div> <span class="message-userArrow"></span> </section> </div> <div class="message-cell message-cell--main"> <div class="message-main js-quickEditTarget"> <header class="message-attribution message-attribution--split"> <ul class="message-attribution-main listInline "> <li class="u-concealed"> <a href="/threads/full-wave-bridge-rectifier.166926/post-1457690" rel="nofollow" itemprop="url"> <time class="u-dt" dir="auto" datetime="2024-11-21T14:34:58-0800" data-time="1732228498" data-date-string="Nov 21, 2024" data-time-string="2:34 PM" title="Nov 21, 2024 at 2:34 PM" itemprop="datePublished">Thursday at 2:34 PM</time> </a> </li> </ul> <ul class="message-attribution-opposite message-attribution-opposite--list "> <li> <a href="/threads/full-wave-bridge-rectifier.166926/post-1457690" class="message-attribution-gadget" data-xf-init="share-tooltip" data-href="/posts/1457690/share" aria-label="Share" rel="nofollow"> <i class="fa--xf fal fa-share-alt" aria-hidden="true"></i> </a> </li> <li> <a href="/threads/full-wave-bridge-rectifier.166926/post-1457690" rel="nofollow"> #6 </a> </li> </ul> </header> <div class="message-content js-messageContent"> <div class="message-userContent lbContainer js-lbContainer " data-lb-id="post-1457690" data-lb-caption-desc="Diver300 · Nov 21, 2024 at 2:34 PM"> <article class="message-body js-selectToQuote"> <div itemprop="text"> <div class="bbWrapper"><blockquote data-attributes="member: 29185" data-quote="Miles Prower" data-source="post: 1457681" class="bbCodeBlock bbCodeBlock--expandable bbCodeBlock--quote js-expandWatch"> <div class="bbCodeBlock-title"> <a href="/goto/post?id=1457681" class="bbCodeBlock-sourceJump" rel="nofollow" data-xf-click="attribution" data-content-selector="#post-1457681">Miles Prower said:</a> </div> <div class="bbCodeBlock-content"> <div class="bbCodeBlock-expandContent js-expandContent "> Ptobably <a href="https://en.wikipedia.org/wiki/Schottky_diode" target="_blank" class="link link--external" rel="nofollow ugc noopener">Schottkey diodes</a>. A Vf of 0.488V is in the range for Schottkey's. </div> <div class="bbCodeBlock-expandLink js-expandLink"><a role="button" tabindex="0">Click to expand...</a></div> </div> </blockquote>I don't think so. 0.488 V is well in the range of large diodes being tested at tiny currents. Schottky diodes would be more like 0.2 - 0.3 V at the current that multimeters test diodes with.</div> </div> <div class="js-selectToQuoteEnd"> </div> </article> </div> <aside class="message-signature"> <div class="bbWrapper"><a href="http://twitter.com/mtrak_uk" target="_blank" class="link link--external" rel="nofollow ugc noopener">http://twitter.com/mtrak_uk</a></div> </aside> </div> <footer class="message-footer"> <div class="message-microdata" itemprop="interactionStatistic" itemtype="https://schema.org/InteractionCounter" itemscope> <meta itemprop="userInteractionCount" content="1" /> <meta itemprop="interactionType" content="https://schema.org/LikeAction" /> </div> <div class="reactionsBar js-reactionsList is-active"> <ul class="reactionSummary"> <li><span class="reaction reaction--small reaction--1" data-reaction-id="1"><i aria-hidden="true"></i><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="reaction-sprite js-reaction" 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itemprop="jobTitle">Active Member</h5> </div> <span class="message-userArrow"></span> </section> </div> <div class="message-cell message-cell--main"> <div class="message-main js-quickEditTarget"> <header class="message-attribution message-attribution--split"> <ul class="message-attribution-main listInline "> <li class="u-concealed"> <a href="/threads/full-wave-bridge-rectifier.166926/post-1457699" rel="nofollow" itemprop="url"> <time class="u-dt" dir="auto" datetime="2024-11-21T21:20:42-0800" data-time="1732252842" data-date-string="Nov 21, 2024" data-time-string="9:20 PM" title="Nov 21, 2024 at 9:20 PM" itemprop="datePublished">Thursday at 9:20 PM</time> </a> </li> </ul> <ul class="message-attribution-opposite message-attribution-opposite--list "> <li> <a href="/threads/full-wave-bridge-rectifier.166926/post-1457699" class="message-attribution-gadget" data-xf-init="share-tooltip" data-href="/posts/1457699/share" aria-label="Share" rel="nofollow"> <i class="fa--xf fal fa-share-alt" aria-hidden="true"></i> </a> </li> <li> <a href="/threads/full-wave-bridge-rectifier.166926/post-1457699" rel="nofollow"> #7 </a> </li> </ul> </header> <div class="message-content js-messageContent"> <div class="message-userContent lbContainer js-lbContainer " data-lb-id="post-1457699" data-lb-caption-desc="ZipZapOuch · Nov 21, 2024 at 9:20 PM"> <article class="message-body js-selectToQuote"> <div itemprop="text"> <div class="bbWrapper"><blockquote data-attributes="member: 29185" data-quote="Miles Prower" data-source="post: 1457681" class="bbCodeBlock bbCodeBlock--expandable bbCodeBlock--quote js-expandWatch"> <div class="bbCodeBlock-title"> <a href="/goto/post?id=1457681" class="bbCodeBlock-sourceJump" rel="nofollow" data-xf-click="attribution" data-content-selector="#post-1457681">Miles Prower said:</a> </div> <div class="bbCodeBlock-content"> <div class="bbCodeBlock-expandContent js-expandContent "> Ptobably <a href="https://en.wikipedia.org/wiki/Schottky_diode" target="_blank" class="link link--external" rel="nofollow ugc noopener">Schottkey diodes</a>. A Vf of 0.488V is in the range for Schottkey's. </div> <div class="bbCodeBlock-expandLink js-expandLink"><a role="button" tabindex="0">Click to expand...</a></div> </div> </blockquote>Some days I wish we had a "don't like" button instead of just a "like" button.</div> </div> <div class="js-selectToQuoteEnd"> </div> </article> </div> <aside class="message-signature"> <div class="bbWrapper">"The Party told you to reject the evidence of your eyes and ears. It was their final, most essential command.”<br /> ― George Orwell, 1984 (published June 8, 1949)</div> </aside> </div> <footer class="message-footer"> <div class="message-microdata" itemprop="interactionStatistic" itemtype="https://schema.org/InteractionCounter" itemscope> <meta itemprop="userInteractionCount" content="0" /> <meta itemprop="interactionType" content="https://schema.org/LikeAction" /> </div> <div class="reactionsBar js-reactionsList "> </div> <div class="js-historyTarget message-historyTarget toggleTarget" data-href="trigger-href"></div> </footer> </div> </div> </div> </article> <article class="message message--post js-post js-inlineModContainer " data-author="Nigel Goodwin" data-content="post-1457708" id="js-post-1457708" itemscope itemtype="https://schema.org/Comment" itemid="https://www.electro-tech-online.com/posts/1457708/"> <meta itemprop="parentItem" itemscope itemid="https://www.electro-tech-online.com/threads/full-wave-bridge-rectifier.166926/" /> <span 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class="username " dir="auto" data-user-id="10131" data-xf-init="member-tooltip"><span class="username--style5 username--moderator username--admin" itemprop="name">Nigel Goodwin</span></a></h4> <h5 class="userTitle message-userTitle" dir="auto" itemprop="jobTitle">Super Moderator</h5> <div class="userBanner userBanner userBanner--gray message-userBanner" itemprop="jobTitle"><span class="userBanner-before"></span><strong>Most Helpful Member</strong><span class="userBanner-after"></span></div> </div> <span class="message-userArrow"></span> </section> </div> <div class="message-cell message-cell--main"> <div class="message-main js-quickEditTarget"> <header class="message-attribution message-attribution--split"> <ul class="message-attribution-main listInline "> <li class="u-concealed"> <a href="/threads/full-wave-bridge-rectifier.166926/post-1457708" rel="nofollow" itemprop="url"> <time class="u-dt" dir="auto" datetime="2024-11-22T01:32:52-0800" data-time="1732267972" data-date-string="Nov 22, 2024" data-time-string="1:32 AM" title="Nov 22, 2024 at 1:32 AM" itemprop="datePublished">Yesterday at 1:32 AM</time> </a> </li> </ul> <ul class="message-attribution-opposite message-attribution-opposite--list "> <li> <a href="/threads/full-wave-bridge-rectifier.166926/post-1457708" class="message-attribution-gadget" data-xf-init="share-tooltip" data-href="/posts/1457708/share" aria-label="Share" rel="nofollow"> <i class="fa--xf fal fa-share-alt" aria-hidden="true"></i> </a> </li> <li> <a href="/threads/full-wave-bridge-rectifier.166926/post-1457708" rel="nofollow"> #8 </a> </li> </ul> </header> <div class="message-content js-messageContent"> <div class="message-userContent lbContainer js-lbContainer " data-lb-id="post-1457708" data-lb-caption-desc="Nigel Goodwin · Nov 22, 2024 at 1:32 AM"> <article class="message-body js-selectToQuote"> <div itemprop="text"> <div class="bbWrapper"><blockquote data-attributes="member: 322126" data-quote="ZipZapOuch" data-source="post: 1457699" class="bbCodeBlock bbCodeBlock--expandable bbCodeBlock--quote js-expandWatch"> <div class="bbCodeBlock-title"> <a href="/goto/post?id=1457699" class="bbCodeBlock-sourceJump" rel="nofollow" data-xf-click="attribution" data-content-selector="#post-1457699">ZipZapOuch said:</a> </div> <div class="bbCodeBlock-content"> <div class="bbCodeBlock-expandContent js-expandContent "> Some days I wish we had a "don't like" button instead of just a "like" button. </div> <div class="bbCodeBlock-expandLink js-expandLink"><a role="button" tabindex="0">Click to expand...</a></div> </div> </blockquote>So do I <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin :D" loading="lazy" data-shortname=":D" /><br /> <br /> Thinking on, I'm sure there used to be one, it's pointless having one without the other.<br /> <br /> It's probably part of this 'woke' crap!.<br /> <br /> When we used to have work experience school kids at work, we had to write a report on how well they had done, and they altered the rules so you could only put positive comments. On one particularly useless child we had, I wrote "he turned up on some of the days, and wasn't excessively late on a few of those".</div> </div> <div class="js-selectToQuoteEnd"> </div> </article> </div> <div class="message-lastEdit"> Last edited: <time class="u-dt" dir="auto" datetime="2024-11-22T01:38:33-0800" data-time="1732268313" data-date-string="Nov 22, 2024" data-time-string="1:38 AM" title="Nov 22, 2024 at 1:38 AM" itemprop="dateModified">Yesterday at 1:38 AM</time> </div> <aside class="message-signature"> <div class="bbWrapper">PIC programmer software, and PIC Tutorials at:<br /> <a href="http://www.winpicprog.co.uk" target="_blank" class="link link--external" rel="noopener">http://www.winpicprog.co.uk</a></div> </aside> </div> <footer class="message-footer"> <div class="message-microdata" itemprop="interactionStatistic" itemtype="https://schema.org/InteractionCounter" itemscope> <meta itemprop="userInteractionCount" content="2" /> <meta itemprop="interactionType" content="https://schema.org/LikeAction" /> </div> <div class="reactionsBar js-reactionsList is-active"> <ul class="reactionSummary"> <li><span class="reaction reaction--small reaction--1" data-reaction-id="1"><i aria-hidden="true"></i><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="reaction-sprite js-reaction" alt="Like" title="Like" /></span></li> </ul> <span class="u-srOnly">Reactions:</span> <a class="reactionsBar-link" href="/posts/1457708/reactions" data-xf-click="overlay" data-cache="false" rel="nofollow"><bdi>rjenkinsgb</bdi> and <bdi>ZipZapOuch</bdi></a> </div> <div class="js-historyTarget message-historyTarget toggleTarget" data-href="trigger-href"></div> </footer> </div> </div> </div> </article> </div> </div> <div class="block-outer block-outer--after"> <div class="block-outer-opposite"> <a href="/login/" class="button--link button--wrap button" data-xf-click="overlay"><span class="button-text"> You must log in or register to reply here. </span></a> </div> </div> </div> <div class="inContentAd"><div id='div-gpt-eto_thread1'> <script> googletag.cmd.push(function() { googletag.display('div-gpt-eto_thread1'); 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I'm getting .488V drop through each diode. I was expecting something much closer to .7V. Does anybody think .488 is a bit low and may warrant replacement? Thank you in advance for your input!" }, "publisher": { "@type": "Organization", "name": "Electronics Forum (Circuits, Projects and Microcontrollers)", "description": "An electronics forum to talk all about circuits and projects.", "url": "https://www.electro-tech-online.com" } } </script>  <noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-MMC9PJ9" height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>   <noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-KLX5R59" height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>  <script> $(function(){ var notice = $('.xb-welcome-notice'); if(notice.length){ var cookie = XF.Cookie.get('hide_welcome_notice'); if(!cookie){ XF.Cookie.set('hide_welcome_notice', Date.now()); notice.show(); } else if ((Date.now() - cookie) > 8.64e+7){ XF.Cookie.set('hide_welcome_notice', Date.now()); notice.show(); } else { notice.hide(); } } }); </script> </div> </body> </html>

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