{"id":5460,"date":"2025-08-14T00:00:00","date_gmt":"2025-08-14T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/poe-rj45-connectors-rated-current\/"},"modified":"2026-06-22T08:29:02","modified_gmt":"2026-06-22T08:29:02","slug":"poe-rj45-connectors-rated-current","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/nl\/knowledge-center\/poe-rj45-connectors-rated-current","title":{"rendered":"Inzicht in de nominale stroom voor ge\u00efntegreerde RJ45-connectoren"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/558ae5d8b7f64ebfb9be887136ff2890.webp\" alt=\"Rated Current for PoE RJ45 Connectors\" class=\"wp-image-5457\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/558ae5d8b7f64ebfb9be887136ff2890.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/558ae5d8b7f64ebfb9be887136ff2890-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/558ae5d8b7f64ebfb9be887136ff2890-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/558ae5d8b7f64ebfb9be887136ff2890-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/558ae5d8b7f64ebfb9be887136ff2890-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" >Inleiding<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Aangesloten apparaten zijn in toenemende mate afhankelijk van <strong>PoE (Stroom via Ethernet)<\/strong> om bedrading te vereenvoudigen en slimmere implementaties mogelijk te maken. Ge\u00efntegreerde RJ45-connectoren met magnetische componenten\u2014vaak genoemd <strong><em>MagJacks<br><\/em><\/strong>\u2014moeten betrouwbaar zowel gegevens als stroom overbrengen. Het begrijpen van hun stroomwaarderingen is essentieel bij het ontwerpen van netwerkhardware om aan de IEEE PoE-normen te voldoen. In dit artikel verduidelijken we typische stroomwaarderingen, belichten we be\u00efnvloedende factoren en tonen we <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-17492-integrated-rj45-connector.htm\"><strong>MagJack van LINK-PP<br><\/strong><\/a> oplossingen mogelijk.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >Stroomwaarderingen: geen \u2018\u00e9\u00e9n-maat-voor-alles\u2019-oplossing<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">De stroomwaarderingen van ge\u00efntegreerde RJ45-connectoren vari\u00ebren afhankelijk van:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>Contactmetaalkunde en plating<\/strong> (bijv. zuiver koper met dikke goudplating verbetert de geleidbaarheid).<\/p><\/li><li><p><strong>Connectorgeometrie<\/strong>, zoals pinafmeting, afstand tussen pinnen en thermisch beheer.<\/p><\/li><li><p><strong>Signaal- versus stroomgebruik<\/strong>\u2014standaard Ethernet gebruikt minimale stroom (&lt; 100 mA), terwijl PoE de contacten tot aan hun grenzen belast.<\/p><\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>LINK-PP specificeert tot <strong>750 mA per contact<br><\/strong> in zijn PoE+ <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/nl\/products\/rj45-connector-with-integrated-magnetics-lpjg0926henl-poe-plus\/\">LPJG0926HENL<\/a> -model.<\/p><\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\" >Hoe PoE-normen stroomvereisten defini\u00ebren<\/h2>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"width: 97px;\"\/><col style=\"width: 112px;\"\/><col style=\"width: 103px;\"\/><col style=\"width: 98px;\"\/><col style=\"width: 98px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\" colwidth=\"97\"><p><strong>PoE-type<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\" colwidth=\"112\"><p><strong>Maximaal geleverd vermogen<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\" colwidth=\"103\"><p><strong>Typische spanning<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\" colwidth=\"98\"><p><strong>Stroom per paar<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\" colwidth=\"98\"><p><strong>Aantal paren<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>Totale stroom<\/strong><\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"97\"><p>IEEE 802.3af <strong>(PoE)<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"112\"><p>12,95 W (naar het apparaat dat stroom ontvangt)<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"103\"><p>44\u201357 V<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"98\"><p>350 mA<br> <\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"98\"><p>2<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u2248 <strong>0,35 A<\/strong> (standaard conservatief) <\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"97\"><p>IEEE 802.3at <strong>(PoE+)<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"112\"><p>25,5 W<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"103\"><p>50\u201357 V<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"98\"><p>600 mA<br> <\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"98\"><p>2<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u2248 0,6 A per paar \u00d7 2 = <strong>1,2 A<\/strong><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"97\"><p>IEEE 802.3bt<br> <strong>Type 3<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"112\"><p>51 W<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"103\"><p>50\u201357 V<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"98\"><p>600 mA<br> <\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"98\"><p>4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u2248 0,6 A \u00d7 4 = <strong>2,4 A<\/strong><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"97\"><p>IEEE 802.3bt<br> <strong>Type 4<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"112\"><p>71,3 W<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"103\"><p>52\u201357 V<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"98\"><p>960 mA <\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"98\"><p>4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u2248 0,96 A \u00d7 4 = <strong>3,84 A<\/strong><\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>Hoewel de theoretische stroom wordt afgeleid uit vermogen \u00f7 spanning, definieert IEEE veiligheidsgrenzen <strong><em>per paar<\/em><\/strong>. Dit waarborgt consistente connectorkwalificatie en thermische veiligheid.<\/p><\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\" >Voorbeeld: LINK-PP LPJG0926HENL PoE+-connector<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ff37a1694d7047578478950769526d70.png\" alt=\"LINK-PP LPJG0926HENL PoE+ Connector\" class=\"wp-image-5458\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ff37a1694d7047578478950769526d70.png 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ff37a1694d7047578478950769526d70-300x178.png 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ff37a1694d7047578478950769526d70-1024x608.png 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ff37a1694d7047578478950769526d70-768x456.png 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ff37a1694d7047578478950769526d70-18x12.png 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">De <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/439792.htm\"><strong>LPJG0926HENL<\/strong><\/a> PoE+ MagJack ondersteunt <strong>IEEE 802.3at<\/strong> met een <strong>een stroomwaardering van 720 mA per contact<\/strong>. Omdat PoE+ twee paren gebruikt, biedt deze per-contactwaardering ruime marge voor betrouwbaarheid in praktijkomstandigheden.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dit soort marge is essentieel voor langdurige prestaties in compacte ontwerpen, waar warmteopbouw en meerdere thermische cycli kunnen optreden.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >Ontwerpimplicaties en beste praktijken<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2605 <\/strong><span><strong>Kies connectoren met marge:<\/strong> Selecteer componenten met een stroomwaardering die hoger ligt dan de minimale normstroom. LINK-PP\u2019s MagJacks overschrijden doorgaans de basisvereisten.<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2605 <\/strong><span><strong>Controleer de specificaties in het datasheet:<\/strong> Zorg ervoor dat de stroomwaardering geldt bij <strong>25 \u00b0C omgevingstemperatuur<\/strong> met een temperatuurstijging van \u2264 20 \u00b0C.<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2605 <\/strong><span><strong>Houd rekening met gebruik van vier paren:<\/strong> Voor PoE++-ontwerpen moet worden gewaarborgd dat connectoren zijn gecertificeerd voor <strong>IEEE 802.3bt Type 3 of 4<\/strong>, wat betekent <strong>\u2265 600 mA of \u2265 960 mA per paar<\/strong>.<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2605 <\/strong><span><strong>Pas kabel, transformator en printplaat (PCB) aan:<\/strong> Elk segment van connector tot magnetica, leidingen en kabel be\u00efnvloedt het gehele stroompad en de temperatuur.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >Conclusie<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-17492-integrated-rj45-connector.htm\">Ge\u00efntegreerde RJ45 MagJacks<\/a> zijn ontworpen om te voldoen aan specifieke stroomvereisten op basis van PoE-normen.<\/p><\/li><li><p>Hoewel een algemene connector mogelijk 1\u20132 A per contact kan ondersteunen, vereist betrouwbare implementatie afgestemde stroomwaarderingen volgens de norm <strong>per paar<\/strong>.<\/p><\/li><li><p>LINK-PP\u2019s MagJacks\u2014vooral modellen zoals LPJG0926HENL\u2014bieden robuuste waarderingen (750 mA\/contact) met ondersteuning voor IEEE 802.3at.<\/p><\/li><li><p>Voor toekomstbestendige, hoogvermogens-PoE-ontwerpen dient te worden gewaarborgd dat connectoren ondersteuning bieden voor <strong>Type 3 of 4 (\u2265 600 mA\u2013960 mA per paar)<\/strong>.<\/p><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Leer hoe ge\u00efntegreerde RJ45-connectoren gegevens- en stroomoverdracht ondersteunen\u2014met inbegrip van de IEEE PoE-normen, de nominale stroom per contact\/paar en betrouwbare productinzichten van Link-PP.<\/p>","protected":false},"author":1,"featured_media":5459,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[22],"class_list":["post-5460","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-center","tag-integrated-rj45-connectors"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/nl\/wp-json\/wp\/v2\/posts\/5460","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/resourceslp.szlogic.cn\/nl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/resourceslp.szlogic.cn\/nl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/nl\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/nl\/wp-json\/wp\/v2\/comments?post=5460"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/nl\/wp-json\/wp\/v2\/posts\/5460\/revisions"}],"predecessor-version":[{"id":11258,"href":"https:\/\/resourceslp.szlogic.cn\/nl\/wp-json\/wp\/v2\/posts\/5460\/revisions\/11258"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/nl\/wp-json\/wp\/v2\/media\/5459"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/nl\/wp-json\/wp\/v2\/media?parent=5460"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/nl\/wp-json\/wp\/v2\/categories?post=5460"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/nl\/wp-json\/wp\/v2\/tags?post=5460"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}