{"id":5906,"date":"2025-05-22T00:00:00","date_gmt":"2025-05-22T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/uncategorized\/specifications-of-integrated-rj45-connectors\/"},"modified":"2026-06-22T09:33:34","modified_gmt":"2026-06-22T09:33:34","slug":"specifications-of-integrated-rj45-connectors","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/fr\/products\/specifications-of-integrated-rj45-connectors","title":{"rendered":"Comprendre les sp\u00e9cifications cl\u00e9s des connecteurs RJ45 int\u00e9gr\u00e9s"},"content":{"rendered":"<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-17492-integrated-rj45-connector.htm\">Connecteurs RJ45 int\u00e9gr\u00e9s<\/a>\u2014also known as magnetics RJ45 jacks or RJ45 with built-in transformers\u2014are essential components in Ethernet communication systems. These connectors combine standard RJ45 interface functionality with integrated magnetics, simplifying PCB design while improving signal integrity and EMI performance.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This guide introduces the <strong>key performance parameters<\/strong> of integrated RJ45 connectors, categorized into five main sections: <strong>transmission \u00e9lectrique<\/strong>, <strong>mechanical<\/strong>, <strong>environmental<\/strong>, <strong>la conformit\u00e9<\/strong>, and <strong>other features<\/strong>. Understanding these parameters will help engineers and purchasing teams make smarter component decisions.<\/p>\n\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>&#x1f50c; I. Electrical Performance Parameters<\/strong><\/h2>\n\n\n\n<ol class=\"wp-block-list\" >\n<li><p><strong>D\u00e9bit de donn\u00e9es<\/strong><br\/>Integrated RJ45 connectors support various Ethernet speeds, including:<\/p><ul><li><p>10\/100Mbps (Fast Ethernet)<\/p><\/li><li><p>1000Mbps (Gigabit Ethernet)<\/p><\/li><li><p>2.5G, 5G, and 10G Ethernet (for high-speed applications)<\/p><\/li><\/ul><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/fr\/glossary\/insertion-loss-impact-on-rj45-magjack\/\"><strong>Perte d\u2019insertion<\/strong><\/a><br\/>Indicates how much signal is lost as it passes through the connector.<\/p><ul><li><p>Typical: \u2264 1 dB (varies by frequency and speed)<\/p><\/li><\/ul><\/li><li><p><strong>Perte de retour<\/strong><br\/>Measures how much signal is reflected due to impedance mismatch.<\/p><ul><li><p>Common requirement: \u2265 16 dB @ 100MHz<\/p><\/li><\/ul><\/li><li><p><strong>Couplage <\/strong><br\/>Crosstalk refers to signal interference between adjacent pairs.<\/p><ul><li><p>Good integrated RJ45 connectors meet IEEE 802.3 standards for crosstalk isolation.<\/p><\/li><li><p>Types :<\/p><ul><li><p>NEXT (crosstalk en extr\u00e9mit\u00e9 proche)<\/p><\/li><li><p>FEXT (crosstalk en extr\u00e9mit\u00e9 lointaine)<\/p><\/li><\/ul><\/li><\/ul><\/li><li><p><strong>Hi-Pot Test Voltage (Isolation Voltage)<\/strong><br\/>Ensures safe electrical isolation between signal and power circuits.<\/p><ul><li><p>Standard value: 1500Vrms for 60 seconds<\/p><\/li><li><p>Critical for PoE safety<\/p><\/li><\/ul><\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>&#x2699;&#xfe0f; II. Mechanical Specifications<\/strong><\/h2>\n\n\n\n<ol class=\"wp-block-list\" >\n<li><p><strong>Type de montage<\/strong><\/p><ul><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/fr\/glossary\/what-is-tht-through-hole-technology\/\">THT<\/a> (Through-Hole Technology)<\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/fr\/glossary\/what-does-smt-surface-mount-technology-mean\/\">SMT<\/a> (Surface-Mount Technology)<\/p><\/li><li><p>Vertical or Right-Angle orientation options<\/p><\/li><\/ul><\/li><li><p><strong>Configuration des Prises<\/strong><\/p><ul><li><p>Standard or custom pin layouts (Tab-Up \/ Tab-Down)<\/p><\/li><li><p>T568A\/B compatible for network standards<\/p><\/li><\/ul><\/li><li><p><strong>Voyants LED<\/strong><\/p><ul><li><p>Built-in LEDs (green\/yellow or bi-color) for link and activity indication<\/p><\/li><\/ul><\/li><li><p><strong> Mechanical Dimensions<\/strong><\/p><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Specifies the outer and PCB-related sizes, includes: <\/p><ul><li><p>Body size<\/p><\/li><li><p>Pin length<\/p><\/li><li><p>Port count: Single (1&#215;1), Dual (1&#215;2), Quad (2&#215;2)<\/p><\/li><\/ul><hr\/><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>&#x1f321;&#xfe0f; III. Environmental Specifications<\/strong><\/h2>\n\n\n\n<ol class=\"wp-block-list\" >\n<li><p><strong>Plage de temp\u00e9ratures de fonctionnement<\/strong><\/p><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><span>Commercial grade: 0\u00b0C to +70\u00b0C<\/span><\/p><\/li><li><p><span>Industrial grade: -40\u00b0C to +85\u00b0C<\/span><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong> 2. Storage Temperature<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><span>Typically: -40\u00b0C to +85\u00b0C<\/span><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>3. Humidity Resistance<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><span>Required for high-reliability or outdoor use<\/span><\/p><\/li><li><p><span>Common benchmark: 95% RH non-condensing<\/span><\/p><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>&#x1f4d1; IV. Compliance &amp; Compatibility<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>1. Industry Standards<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>IEEE 802.3 series (10\/100\/1000Base-T, 2.5G, 10GBase-T)<\/p><\/li><li><p>IEEE 802.3af \/ 802.3at \/ 802.3bt (PoE compatibility)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2. Environmental Directives<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>RoHS and REACH compliance (lead-free, eco-friendly)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>3. Safety Certifications<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>UL \/ CE \/ FCC approvals (as applicable)<\/p><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>&#x1f9e9; V. Additional Features<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>1. Shielding Type<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Shielded (metal housing)<\/p><\/li><li><p>Unshielded versions available<\/p><\/li><li><p>Optional EMI fingers for enhanced grounding<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2. Integrated Magnetics<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Built-in magnetic components:<\/p><ul><li><p>Des filtres \u00e0 r\u00e9sonance commune<\/p><\/li><li><p>Differential-mode chokes<\/p><\/li><li><p>Des transformateurs d\u2019isolation<\/p><\/li><\/ul><\/li><li><p>Ensures signal integrity and suppresses EMI<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>3. Integrated Protection<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Optional built-in TVS (Transient Voltage Suppression)<\/p><\/li><li><p>Provides electrostatic and surge protection<\/p><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>&#x1f4ca; Quick Reference Specification Table: LINK-PP LPJ26204ADNL<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9549130dc88b4d94a5dfeb0816596822.jpg\" alt=\"Integrated RJ45 Connectors Specifications\" class=\"wp-image-5904\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9549130dc88b4d94a5dfeb0816596822.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9549130dc88b4d94a5dfeb0816596822-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9549130dc88b4d94a5dfeb0816596822-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9549130dc88b4d94a5dfeb0816596822-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9549130dc88b4d94a5dfeb0816596822-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>LIEN-PP <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/458969.htm\"><strong>LPJ26204ADNL<\/strong><\/a> is a dual-port integrated RJ45 connector designed for 10\/100 Base-T Ethernet applications.<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>Sp\u00e9cification<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>Description<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Num\u00e9ro de pi\u00e8ce<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>LPJ26204ADNL<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>D\u00e9bit de donn\u00e9es<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>10\/100 Mbits\/s<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Nombre de ports<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Dual (1&#215;2)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Type de montage<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Montage en surface (THT)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Tab Orientation<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Tab Down<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Voyants LED<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Yellow\/Green<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Blindage<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Blind\u00e9<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Normes de conformit\u00e9<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>IEEE 802.3, UL, RoHS, REACH, ISO9001, ISO14001<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Temp\u00e9rature de fonctionnement<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>0 \u00b0C et +70 \u00b0C<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Applications<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Patient care devices, handheld devices, operation generators<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udcc4 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/file\/datasheet\/lpj26204adnl-drawing.pdf\"><strong>Download LPJ26204ADNL Datasheet (PDF)<\/strong><\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u2705 Conclusion<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Understanding the core specifications of <strong>Magnetic RJ45 connectors<\/strong> is crucial when designing or sourcing networking hardware. Whether your focus is on signal quality, PoE capability, EMI shielding, or environmental durability, these parameters help ensure you choose the right component for your application.<\/p>\n\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>&#x1f4ec; Contact Us for Samples<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">RIf you need assistance selecting the right RJ45 connector for your application or have specific requirements, feel free to contact us for expert guidance.<br\/>\ud83d\udc49 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/page\/contactus.htm\"><strong>Nous contacter<\/strong><\/a><strong> Now to Request Free Samples<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Let our engineers help you find the best solution for your Ethernet application.<\/p>","protected":false},"excerpt":{"rendered":"<p>D\u00e9couvrez les principales caract\u00e9ristiques \u00e9lectriques, m\u00e9caniques et environnementales des connecteurs RJ45 int\u00e9gr\u00e9s afin de s\u00e9lectionner la solution adapt\u00e9e \u00e0 vos applications Ethernet.<\/p>","protected":false},"author":1,"featured_media":5905,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[28],"tags":[26],"class_list":["post-5906","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-products","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/fr\/wp-json\/wp\/v2\/posts\/5906","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/resourceslp.szlogic.cn\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/resourceslp.szlogic.cn\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/fr\/wp-json\/wp\/v2\/comments?post=5906"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/fr\/wp-json\/wp\/v2\/posts\/5906\/revisions"}],"predecessor-version":[{"id":11491,"href":"https:\/\/resourceslp.szlogic.cn\/fr\/wp-json\/wp\/v2\/posts\/5906\/revisions\/11491"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/fr\/wp-json\/wp\/v2\/media\/5905"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/fr\/wp-json\/wp\/v2\/media?parent=5906"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/fr\/wp-json\/wp\/v2\/categories?post=5906"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/fr\/wp-json\/wp\/v2\/tags?post=5906"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}