{"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:\/\/resources.l-p.com\/vi\/products\/specifications-of-integrated-rj45-connectors","title":{"rendered":"Hi\u1ec3u r\u00f5 c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ch\u00ednh c\u1ee7a \u0111\u1ea7u n\u1ed1i RJ45 t\u00edch h\u1ee3p"},"content":{"rendered":"<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-17492-integrated-rj45-connector.htm\">B\u1ed9 k\u1ebft n\u1ed1i RJ45 t\u00edch h\u1ee3p<\/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>t\u00edn hi\u1ec7u \u0111i\u1ec7n<\/strong>, <strong>mechanical<\/strong>, <strong>environmental<\/strong>, <strong>\u0110\u1ea1t chu\u1ea9n<\/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>25Gbps<\/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:\/\/resources.l-p.com\/vi\/glossary\/insertion-loss-impact-on-rj45-magjack\/\"><strong>T\u1ed5n hao ch\u00e8n<\/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>T\u1ed5n hao ph\u1ea3n x\u1ea1 (Return Loss)<\/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>Nhi\u1ec5u xuy\u00ean k\u00eanh (crosstalk) <\/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>C\u00e1c lo\u1ea1i:<\/p><ul><li><p>NEXT (Nhi\u1ec5u xuy\u00ean g\u1ea7n)<\/p><\/li><li><p>FEXT (Nhi\u1ec5u xuy\u00ean xa)<\/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>Ki\u1ec3u g\u1eafn<\/strong><\/p><ul><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resources.l-p.com\/vi\/glossary\/what-is-tht-through-hole-technology\/\">THT<\/a> (Through-Hole Technology)<\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resources.l-p.com\/vi\/glossary\/what-does-smt-surface-mount-technology-mean\/\">SMT<\/a> (C\u00f4ng ngh\u1ec7 g\u1eafn b\u1ec1 m\u1eb7t)<br><\/p><\/li><li><p>Vertical or Right-Angle orientation options<\/p><\/li><\/ul><\/li><li><p><strong>C\u1ea5u h\u00ecnh ch\u00e2n c\u1eafm<\/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>\u0110\u00e8n LED ch\u1ec9 th\u1ecb<\/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>D\u1ea3i nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng<\/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>Cu\u1ed9n kh\u00e1ng ch\u1ebf \u0111\u1ed9 chung<\/p><\/li><li><p>Differential-mode chokes<\/p><\/li><li><p>Bi\u1ebfn \u00e1p c\u00e1ch ly<\/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:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/9549130dc88b4d94a5dfeb0816596822.jpg\" alt=\"Integrated RJ45 Connectors Specifications\" class=\"wp-image-5904\" srcset=\"https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/9549130dc88b4d94a5dfeb0816596822.jpg 1200w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/9549130dc88b4d94a5dfeb0816596822-300x169.jpg 300w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/9549130dc88b4d94a5dfeb0816596822-1024x576.jpg 1024w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/9549130dc88b4d94a5dfeb0816596822-768x432.jpg 768w, https:\/\/resources.l-p.com\/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>LINK-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>Specification<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>M\u00f4 t\u1ea3<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>S\u1ed1 ph\u1ee5 t\u00f9ng<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>LPJ26204ADNL<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>25Gbps<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>10\/100 Mbps<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>S\u1ed1 c\u1ed5ng<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Dual (1&#215;2)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Ki\u1ec3u g\u1eafn<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Through-Hole (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>\u0110\u00e8n LED ch\u1ec9 th\u1ecb<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Yellow\/Green<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Ch\u1eafn nhi\u1ec5u<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Shielded<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Compliance Standards<\/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>Nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>0\u00b0C \u0111\u1ebfn +70\u00b0C<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\u1ee8ng d\u1ee5ng<\/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 K\u1ebft lu\u1eadn<\/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<br> <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/page\/contactus.htm\"><strong>Li\u00ean h\u1ec7 ch\u00fang t\u00f4i<\/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>Kh\u00e1m ph\u00e1 c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt \u0111i\u1ec7n, c\u01a1 h\u1ecdc v\u00e0 m\u00f4i tr\u01b0\u1eddng quan tr\u1ecdng c\u1ee7a \u0111\u1ea7u n\u1ed1i RJ45 t\u00edch h\u1ee3p \u0111\u1ec3 l\u1ef1a ch\u1ecdn gi\u1ea3i ph\u00e1p ph\u00f9 h\u1ee3p nh\u1ea5t cho c\u00e1c \u1ee9ng d\u1ee5ng Ethernet c\u1ee7a b\u1ea1n.<\/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:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/posts\/5906","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/comments?post=5906"}],"version-history":[{"count":4,"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/posts\/5906\/revisions"}],"predecessor-version":[{"id":11491,"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/posts\/5906\/revisions\/11491"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/media\/5905"}],"wp:attachment":[{"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/media?parent=5906"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/categories?post=5906"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/tags?post=5906"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}