{"id":5656,"date":"2026-05-14T05:35:52","date_gmt":"2026-05-14T05:35:52","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/package-type-vs-mounting-type-in-lan-transformers\/"},"modified":"2026-05-25T08:45:51","modified_gmt":"2026-05-25T08:45:51","slug":"package-type-vs-mounting-type-in-lan-transformers","status":"publish","type":"post","link":"https:\/\/lp.szlogic.cn\/ru\/knowledge-center\/package-type-vs-mounting-type-in-lan-transformers","title":{"rendered":"Understanding the Difference Between Package Type and Mounting Type in LAN Transformers"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e107c8ebb92e44f78dc61dc2a059c2e0.webp\" alt=\"Package Type vs. Mounting Type in LAN Transformers\" class=\"wp-image-5652\" srcset=\"https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e107c8ebb92e44f78dc61dc2a059c2e0.webp 1200w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e107c8ebb92e44f78dc61dc2a059c2e0-300x178.webp 300w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e107c8ebb92e44f78dc61dc2a059c2e0-1024x608.webp 1024w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e107c8ebb92e44f78dc61dc2a059c2e0-768x456.webp 768w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e107c8ebb92e44f78dc61dc2a059c2e0-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">In the field of <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-17548-lan-transformer.htm\">LAN transformers<\/a>, especially for Ethernet applications, terms like \u201c<strong>Package Type<\/strong>\u201d and \u201c<strong>Mounting Type<\/strong>\u201d are frequently mentioned in product datasheets. While they may appear similar, they refer to very different design characteristics. Understanding the distinction is critical for PCB layout, automated assembly, thermal management, and long-term reliability. This article breaks down the difference and explains their significance in transformer selection\u2014using LINK-PP\u2019s <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/452775.htm\">LP82487PNL<\/a> 24-pin PoE+ LAN Transformer as an example.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >What is Package Type?<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/fbd3e1f433e143c78d6e8d1b1e279021.webp\" alt=\"LAN Magnetics Package Type\" class=\"wp-image-5653\" srcset=\"https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/fbd3e1f433e143c78d6e8d1b1e279021.webp 1200w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/fbd3e1f433e143c78d6e8d1b1e279021-300x178.webp 300w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/fbd3e1f433e143c78d6e8d1b1e279021-1024x608.webp 1024w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/fbd3e1f433e143c78d6e8d1b1e279021-768x456.webp 768w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/fbd3e1f433e143c78d6e8d1b1e279021-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Package Type<\/strong> refers to the physical form factor and external geometry of the LAN transformer. It defines how the component is shaped and what it looks like from the outside. Key considerations include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>Body dimensions<\/strong> (length, width, height)<\/p><\/li><li><p><strong>Number of pins or terminals<\/strong><\/p><\/li><li><p><strong>Pin layout and spacing (pitch)<\/strong><\/p><\/li><li><p><strong>Encapsulation type<\/strong> (e.g., plastic mold, epoxy filled)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">&#x1f4cc; <em>Example:<\/em> The LP82487PNL from LINK-PP uses a 24-pin <strong>DIP (Dual In-line Package)<\/strong> with a rectangular footprint and evenly spaced dual-row pins.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >What is Mounting Type?<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8bffb1ef0df54218b51dd627592071be.webp\" alt=\"LAN Magnetics Mounting Type\" class=\"wp-image-5654\" srcset=\"https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8bffb1ef0df54218b51dd627592071be.webp 1200w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8bffb1ef0df54218b51dd627592071be-300x178.webp 300w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8bffb1ef0df54218b51dd627592071be-1024x608.webp 1024w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8bffb1ef0df54218b51dd627592071be-768x456.webp 768w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8bffb1ef0df54218b51dd627592071be-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Mounting Type<\/strong> describes <strong>how the transformer is attached to the printed circuit board (PCB)<\/strong> during assembly. It determines the method of soldering and mechanical connection:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>Through-Hole Technology (<\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/resources.l-p.com\/glossary\/what-is-tht-through-hole-technology\"><strong>THT<\/strong><\/a><strong>):<\/strong><br\/>Pins go through pre-drilled holes in the PCB and are soldered on the opposite side\u2014commonly used with DIP packages.<\/p><ul><li><p>Offers strong mechanical bonds<\/p><\/li><li><p>Preferred in high-reliability or high-power applications<\/p><\/li><li><p>Compatible with wave soldering processes<\/p><\/li><\/ul><\/li><li><p><strong>Surface-Mount Technology (<\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/resources.l-p.com\/glossary\/what-does-smt-surface-mount-technology-mean\"><strong>SMT<\/strong><\/a><strong>):<\/strong><br\/>Components are mounted directly onto the surface of the PCB with flat leads or terminals.<\/p><ul><li><p>Ideal for automated assembly and compact designs<\/p><\/li><li><p>Compatible with reflow soldering<\/p><\/li><li><p>Often used with SMD-style LAN transformers<\/p><\/li><\/ul><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >Package Type vs. Mounting Type: A Summary of Differences<\/h2>\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;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>Aspect<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>Package Type<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>Mounting Type<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Definition<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Shape and form of the component<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>How it is attached to the PCB<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Examples<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>DIP, SMD, QFP, SIP<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>THT (Through-Hole), SMT (Surface Mount)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Affects<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>PCB footprint, pin configuration<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Assembly method, mechanical strength<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Typical Usage<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Shown in datasheet \u201cpackage\u201d<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Indicated in product \u201cmounting style\u201d<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" >Why the Difference Matters in Design<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Understanding both terms is essential during component selection and PCB layout:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>Manufacturing Compatibility:<\/strong><br\/>SMT is more suited for automated pick-and-place lines; THT may require manual insertion or wave soldering.<\/p><\/li><li><p><strong>Thermal Management:<\/strong><br\/>THT can dissipate more heat into the PCB due to deeper anchor points.<\/p><\/li><li><p><strong>Signal Integrity &amp; EMI:<\/strong><br\/>Packaging can affect shielding, pin isolation, and magnetic structure design.<\/p><\/li><li><p><strong>Mechanical Durability:<\/strong><br\/>THT components like DIP LAN transformers are more robust in high-vibration environments.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >Real-World Example: LINK-PP LP82487PNL<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>LP82487PNL<\/strong> is a 10\/100\/1000BASE-T LAN transformer with PoE+ support. It features:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>DIP Package:<\/strong> 24-pin, dual-row, standard layout<\/p><\/li><li><p><strong>Through-Hole Mounting:<\/strong> Ideal for strong mechanical connections and wave solder assembly<\/p><\/li><li><p><strong>Applications:<\/strong> Network switches, routers, PoE injectors<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">&#x1f4ce; <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/452775.htm\">View Product Details<\/a><br\/>&#x1f4ce; <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/file\/datasheet\/lp82487pnl-drawing.pdf\">Download Datasheet<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >Conclusion<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The difference between package type and mounting type is subtle but crucial when designing Ethernet interfaces. Packaging defines the component\u2019s form, while mounting defines how it connects to your PCB. Selecting the right combination\u2014such as DIP + THT for rugged performance\u2014can significantly impact reliability, manufacturability, and cost. LINK-PP offers a wide range of <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-17548-lan-transformer.htm\">LAN transformers<\/a> with both DIP and SMT options to match your application requirements.<\/p>\n\n\n\n<div><div widgetid=\"9519f0236c4911f0be050a37e7beaac1\" format=\"embedded\" data-widget-id=\"9519f0236c4911f0be050a37e7beaac1\" data-mode=\"production.zh\" style=\"display: block;\"><\/div><\/div>\n\n\n\n<script src=\"https:\/\/cdn.mylandingpages.co\/widgets\/platform\/platform.widget.js\" async=\"true\"><\/script>","protected":false},"excerpt":{"rendered":"<p>Learn the Key differences between package type and mounting type in LAN transformers. Discover how they affect design, performance, and manufacturing.<\/p>","protected":false},"author":1,"featured_media":5655,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[23],"class_list":["post-5656","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-center","tag-link-pp-lan-transformers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/lp.szlogic.cn\/ru\/wp-json\/wp\/v2\/posts\/5656","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lp.szlogic.cn\/ru\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lp.szlogic.cn\/ru\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lp.szlogic.cn\/ru\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lp.szlogic.cn\/ru\/wp-json\/wp\/v2\/comments?post=5656"}],"version-history":[{"count":2,"href":"https:\/\/lp.szlogic.cn\/ru\/wp-json\/wp\/v2\/posts\/5656\/revisions"}],"predecessor-version":[{"id":7503,"href":"https:\/\/lp.szlogic.cn\/ru\/wp-json\/wp\/v2\/posts\/5656\/revisions\/7503"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lp.szlogic.cn\/ru\/wp-json\/wp\/v2\/media\/5655"}],"wp:attachment":[{"href":"https:\/\/lp.szlogic.cn\/ru\/wp-json\/wp\/v2\/media?parent=5656"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lp.szlogic.cn\/ru\/wp-json\/wp\/v2\/categories?post=5656"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lp.szlogic.cn\/ru\/wp-json\/wp\/v2\/tags?post=5656"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}