{"id":4866,"date":"2025-09-27T11:12:00","date_gmt":"2025-09-27T11:12:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/how-ethernet-transformers-reduce-emi\/"},"modified":"2026-06-22T06:41:11","modified_gmt":"2026-06-22T06:41:11","slug":"how-ethernet-transformers-reduce-emi","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/how-ethernet-transformers-reduce-emi","title":{"rendered":"Ethernet\u30c8\u30e9\u30f3\u30b9\u30d5\u30a9\u30fc\u30de\u30fc\u304cEthernet\u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3051\u308bEMI\u3092\u4f4e\u6e1b\u3059\u308b\u4ed5\u7d44\u307f"},"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\/c22e0f3470e04bb084bf9123ad5bc7d4.webp\" alt=\"Ethernet Transformers Reduce EMI \" class=\"wp-image-4863\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c22e0f3470e04bb084bf9123ad5bc7d4.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c22e0f3470e04bb084bf9123ad5bc7d4-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c22e0f3470e04bb084bf9123ad5bc7d4-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c22e0f3470e04bb084bf9123ad5bc7d4-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c22e0f3470e04bb084bf9123ad5bc7d4-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" >\u306f\u3058\u3081\u306b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u9ad8\u901f\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u30fb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306f\u3001\u975e\u5e38\u306b\u5f71\u97ff\u3092\u53d7\u3051\u3084\u3059\u304f\u306a\u3063\u3066\u3044\u307e\u3059\u3002 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/glossary\/what-is-electromagnetic-interference\/\"><strong>\u96fb\u78c1\u59a8\u5bb3\uff08EMI\uff09<\/strong><\/a>, \u3053\u308c\u306f\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u3092\u640d\u306a\u3063\u305f\u308a\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u4fe1\u983c\u6027\u3092\u4f4e\u4e0b\u3055\u305b\u305f\u308a\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u3046\u3057\u305f\u8ab2\u984c\u306b\u5bfe\u51e6\u3059\u308b\u305f\u3081\u306b\u3001, <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-17548-lan-transformer.htm\">LAN\u30c8\u30e9\u30f3\u30b9\u30d5\u30a9\u30fc\u30de\u30fc<\/a>\u2014RJ45\u30b3\u30cd\u30af\u30bf\u306b\u7d71\u5408\u3055\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u2014\u306f\u3001\u56de\u8def\u306e\u7d76\u7e01\u3001\u5dee\u52d5\u4fe1\u53f7\u306e\u7dad\u6301\u3001\u304a\u3088\u3073\u4e0d\u8981\u306a\u30ce\u30a4\u30ba\u306e\u6291\u5236\u3068\u3044\u3046\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u8a18\u4e8b\u3067\u306f\u3001\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u30fb\u30c8\u30e9\u30f3\u30b9\u30d5\u30a9\u30fc\u30de\u304cEMI\u3092\u4f4e\u6e1b\u3059\u308b\u4ed5\u7d44\u307f\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u3001\u5e72\u6e09\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u305f\u3081\u306e\u6700\u9069\u306a\u8a2d\u8a08\u624b\u6cd5\u3092\u7d39\u4ecb\u3059\u308b\u3068\u3068\u3082\u306b\u3001LINK-PP\u793e\u306e\u30de\u30b0\u30cd\u30c6\u30a3\u30af\u30b9\u304c\u56fd\u969b\u7684\u306aEMI\/EMC\u898f\u683c\u3078\u306e\u9069\u5408\u304a\u3088\u3073\u5b89\u5b9a\u3057\u305f\u6027\u80fd\u78ba\u4fdd\u306b\u3069\u306e\u3088\u3046\u306b\u8ca2\u732e\u3059\u308b\u304b\u3092\u8aac\u660e\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >2. LAN\u30c8\u30e9\u30f3\u30b9\u30d5\u30a9\u30fc\u30de\u306e\u6a5f\u80fd<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A <strong>LAN\u30c8\u30e9\u30f3\u30b9\u30d5\u30a9\u30fc\u30de<\/strong>, \u3001\u5225\u540d\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u30fb\u30de\u30b0\u30cd\u30c6\u30a3\u30af\u30b9\u3068\u547c\u3070\u308c\u308b\u3053\u306e\u90e8\u54c1\u306f\u3001\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8PHY\u3068RJ45\u30dd\u30fc\u30c8\u306e\u9593\u306b\u914d\u7f6e\u3055\u308c\u307e\u3059\u3002\u305d\u306e\u4e3b\u306a\u6a5f\u80fd\u306f\u4ee5\u4e0b\u306e3\u3064\u3067\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>\u30ac\u30eb\u30d0\u30cb\u30c3\u30af\u7d76\u7e01<\/strong> \u56de\u8def\u3068\u30c4\u30a4\u30b9\u30c8\u30da\u30a2\u30b1\u30fc\u30d6\u30eb\u3068\u306e\u9593\u306e\u7d76\u7e01\u306f\u3001\u6a5f\u5668\u3092\u30b5\u30fc\u30b8\u3084\u30b0\u30e9\u30a6\u30f3\u30c9\u96fb\u4f4d\u5dee\u304b\u3089\u4fdd\u8b77\u3057\u307e\u3059\u3002.<\/p><\/li><li><p><strong>\u5dee\u52d5\u4fe1\u53f7\u7d50\u5408<\/strong> \u306b\u3088\u308a\u3001\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30c7\u30fc\u30bf\u4f1d\u9001\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002.<\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/common-mode-noise-in-ethernet-systems\/\"><strong>\u5171\u901a\u30e2\u30fc\u30c9\u30ce\u30a4\u30ba<\/strong><\/a><strong> \u96d1\u97f3\u9664\u53bb\u6027\u80fd<br><\/strong> \u304a\u3088\u3073\u5236\u5fa1\u3055\u308c\u305f\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u2014\u2014\u3053\u308c\u3089\u306fEMI\u4f4e\u6e1b\u306b\u3068\u3063\u3066\u6975\u3081\u3066\u91cd\u8981\u3067\u3059\u3002.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >3. LAN\u30c8\u30e9\u30f3\u30b9\u30d5\u30a9\u30fc\u30de\u306b\u3088\u308bEMI\u4f4e\u6e1b\u306e\u4ed5\u7d44\u307f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >\u5dee\u52d5\u30e2\u30fc\u30c9\u30ce\u30a4\u30ba vs. \u5171\u901a\u30e2\u30fc\u30c9\u30ce\u30a4\u30ba<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u4fe1\u53f7\u306f\u5dee\u52d5\u30da\u30a2\u3067\u4f1d\u9001\u3055\u308c\u307e\u3059\u3002\u30d0\u30e9\u30f3\u30b9\u306e\u53d6\u308c\u305f\u5dee\u52d5\u4f1d\u9001\u65b9\u5f0f\u306f\u3001\u672c\u6765\u7684\u306b\u5927\u90e8\u5206\u306e\u96fb\u78c1\u653e\u5c04\u3092\u30ad\u30e3\u30f3\u30bb\u30eb\u3057\u307e\u3059\u3002\u30c8\u30e9\u30f3\u30b9\u30d5\u30a9\u30fc\u30de\u306f\u3053\u306e\u5dee\u52d5\u30d0\u30e9\u30f3\u30b9\u3092\u7dad\u6301\u3057\u3001\u4e0d\u8981\u306a <strong>\u4f4e\u6e1b<\/strong>, \u3092\u6e1b\u8870\u3055\u305b\u308b\u3053\u3068\u3067\u3001\u5c0e\u96fb\u6027\u304a\u3088\u3073\u653e\u5c04\u6027EMI\u306e\u767a\u751f\u3092\u9632\u304e\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u5171\u901a\u30e2\u30fc\u30c9\u30c1\u30e7\u30fc\u30af\uff08CMC\uff09\u306e\u5f79\u5272<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u65b0\u306eLAN\u30c8\u30e9\u30f3\u30b9\u30d5\u30a9\u30fc\u30de\u306b\u306f\u3001\u3057\u3070\u3057\u3070 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/glossary\/ethernet-common-mode-choke-cmc-guide\/\"><strong>\u30b3\u30e2\u30f3\u30e2\u30fc\u30c9\u30c1\u30e7\u30fc\u30af\uff08CMC\uff09<\/strong><\/a>. \u304c\u7d71\u5408\u3055\u308c\u3066\u3044\u307e\u3059\u3002CMC\u306f\u5171\u901a\u30e2\u30fc\u30c9\u96fb\u6d41\u306b\u5bfe\u3057\u3066\u9ad8\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u3092\u63d0\u4f9b\u3057\u3064\u3064\u3001\u5dee\u52d5\u30c7\u30fc\u30bf\u30d1\u30b9\u306b\u306f\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u305b\u3093\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30b1\u30fc\u30d6\u30eb\u3078\u5c0e\u96fb\u3055\u308c\u308bEMI\u304a\u3088\u3073\u81ea\u7531\u7a7a\u9593\u3078\u653e\u5c04\u3055\u308c\u308bEMI\u304c\u5927\u5e45\u306b\u4f4e\u6e1b\u3055\u308c\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u7d42\u7aef\u304a\u3088\u3073\u30bb\u30f3\u30bf\u30fc\u30fb\u30bf\u30c3\u30d7\u6226\u7565<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30bb\u30f3\u30bf\u30fc\u30bf\u30c3\u30d7\u304a\u3088\u3073\u30e9\u30a4\u30f3\u7d42\u7aef\uff08\u4f8b\uff1a\u30dc\u30d6\u30fb\u30b9\u30df\u30b9\u7d42\u7aef\uff09\u3092\u9069\u5207\u306b\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u53cd\u5c04\u3092\u5236\u5fa1\u3057\u3001\u5b89\u5b9a\u3057\u305f\u5171\u901a\u30e2\u30fc\u30c9\u30d1\u30b9\u3092\u5b9a\u7fa9\u3057\u3001\u9ad8\u5468\u6ce2\u30ea\u30f3\u30b0\u3092\u6291\u5236\u3067\u304d\u307e\u3059\u2014\u2014\u3053\u308c\u3089\u3059\u3079\u3066\u304cEMI\u653e\u5c04\u306e\u4f4e\u6e1b\u306b\u5bc4\u4e0e\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >4. PCB\u8a2d\u8a08\u304a\u3088\u3073\u30b7\u30b9\u30c6\u30e0\u4e0a\u306e\u914d\u616e\u4e8b\u9805<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u305f\u3068\u3048\u6700\u9ad8\u54c1\u8cea\u306eLAN\u30c8\u30e9\u30f3\u30b9\u30d5\u30a9\u30fc\u30de\u3067\u3042\u3063\u3066\u3082\u3001\u9069\u5207\u306aPCB\u304a\u3088\u3073\u30b7\u30b9\u30c6\u30e0\u8a2d\u8a08\u304c\u306a\u3051\u308c\u3070\u3001EMI\u4f4e\u6e1b\u3092\u4fdd\u8a3c\u3067\u304d\u307e\u305b\u3093\u3002\u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u4ee5\u4e0b\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u5f93\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u4ee5\u4e0b\u306b\u914d\u7f6e\u3057\u307e\u3059\u3002 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/443529.htm\">LAN\u30c8\u30e9\u30f3\u30b9\u30d5\u30a9\u30fc\u30de<\/a> \u307e\u305f\u306f <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/491473.htm\">\u30de\u30b0\u30cd\u30c6\u30a3\u30af\u30b9\u5185\u8535RJ45<\/a> <strong>\u30b3\u30cd\u30af\u30bf\u306b\u8fd1\u3044\u4f4d\u7f6e\u306b\u914d\u7f6e\u3057\u3001<\/strong> \u30eb\u30fc\u30d7\u9762\u7a4d\u3092\u6700\u5c0f\u5316\u3057\u307e\u3059\u3002.<\/p><\/li><li><p>\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u5dee\u52d5\u30da\u30a2\u306f <strong>\u5236\u5fa1\u3055\u308c\u305f\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u304a\u3088\u3073\u7b49\u9577\u3067\u914d\u7dda\u3057\u3001<\/strong> \u30e2\u30fc\u30c9\u5909\u63db\u3092\u9632\u6b62\u3057\u307e\u3059\u3002.<\/p><\/li><li><p>\u4f4e\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u306e\u30ea\u30bf\u30fc\u30f3\u30d1\u30b9\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u3001\u5805\u7262\u306a <strong>\u30b0\u30e9\u30a6\u30f3\u30c9\u304a\u3088\u3073\u30b9\u30c6\u30c3\u30c1\u30f3\u30b0\u30fb\u30d0\u30a4\u30a2\u3092\u8a2d\u3051\u307e\u3059\u3002<\/strong> \u30ce\u30a4\u30ba\u30de\u30fc\u30b8\u30f3\u304c\u53b3\u3057\u3044\u8a2d\u8a08\u3067\u306f\u3001\u8ffd\u52a0\u306e\u30d5\u30a7\u30e9\u30a4\u30c8\u30d3\u30fc\u30ba\u307e\u305f\u306f.<\/p><\/li><li><p>EMI\u30d5\u30a3\u30eb\u30bf <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/network-filter-lan-filter-guide\/\">\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/a> \u5411\u3051 <strong>PoE\uff08Power over Ethernet\uff09<\/strong> \u30ce\u30a4\u30ba\u30de\u30fc\u30b8\u30f3\u304c\u72ed\u3044\u7b87\u6240\u306b\u8a2d\u8a08\u3092\u914d\u7f6e\u3057\u307e\u3059\u3002.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >\u7d71\u5408\u578bRJ45\u30de\u30b0\u30cd\u30c6\u30a3\u30af\u30b9 vs. \u5206\u96e2\u578b\u30de\u30b0\u30cd\u30c6\u30a3\u30af\u30b9<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>\u30de\u30b0\u30cd\u30c6\u30a3\u30af\u30b9\u5185\u8535\u7d71\u5408\u578bRJ45<\/strong>\uff1a\u5c0f\u578b\u5316\u3001PCB\u8a2d\u8a08\u306e\u7c21\u7d20\u5316\u3001\u4e00\u8cab\u3057\u305fEMI\u6027\u80fd\u3001\u9069\u5408\u8a66\u9a13\u306e\u7c21\u6613\u5316\u3068\u3044\u3063\u305f\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308a\u307e\u3059\u3002.<\/p><\/li><li><p><strong>\u5206\u96e2\u578b\u30de\u30b0\u30cd\u30c6\u30a3\u30af\u30b9<\/strong>\uff1a\u914d\u7f6e\u306e\u67d4\u8edf\u6027\u304c\u3042\u308a\u3001BOM\u30b3\u30b9\u30c8\u3092\u524a\u6e1b\u3067\u304d\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u540c\u7b49\u306eEMI\u6291\u5236\u3092\u9054\u6210\u3059\u308b\u306b\u306f\u3001\u3088\u308a\u614e\u91cd\u306aPCB\u30ec\u30a4\u30a2\u30a6\u30c8\u304c\u5fc5\u8981\u3067\u3059\u3002.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u307b\u3068\u3093\u3069\u306e\u6700\u65b0\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u8a2d\u8a08\u306b\u304a\u3044\u3066\u306f\u3001, <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-17492-integrated-rj45-connector.htm\">\u7d71\u5408\u578bRJ45\u30de\u30b0\u30cd\u30c6\u30a3\u30af\u30b9<\/a> \u304cEMI\/EMC\u8a8d\u8a3c\u53d6\u5f97\u3078\u306e\u3088\u308a\u78ba\u5b9f\u306a\u9053\u7b4b\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >7. \u30a4\u30fc\u30b5\u30cd\u30c3\u30c8EMI\u4f4e\u6e1b\u306e\u5b9f\u8df5\u7684\u30d2\u30f3\u30c8 <\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u7d71\u5408\u578b <strong>\u5171\u6a21\u30c1\u30e7\u30fc\u30af<\/strong>.<\/p><\/li><li><p>RJ45\u3068\u30c8\u30e9\u30f3\u30b9\u30d5\u30a9\u30fc\u30de\u9593\u306e\u30c8\u30ec\u30fc\u30b9\u9577\u3092\u6700\u5c0f\u5316\u3057\u307e\u3059\u3002.<\/p><\/li><li><p>\u5dee\u52d5\u30da\u30a2\u306e\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u30de\u30c3\u30c1\u30f3\u30b0\u3092\u884c\u3044\u3001\u30b9\u30bf\u30d6\u3092\u907f\u3051\u307e\u3059\u3002.<\/p><\/li><li><p>\u4ee5\u4e0b\u306b\u5f93\u3063\u3066\u7d42\u7aef\u51e6\u7406\u3092\u884c\u3044\u307e\u3059\u3002 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/glossary\/what-is-phy-physical-layer-basics-explained\/\">PHY<\/a> \u304a\u3088\u3073\u30c8\u30e9\u30f3\u30b9\u30d5\u30a9\u30fc\u30de\u306e\u63a8\u5968\u306b\u5f93\u3063\u3066\u7d42\u7aef\u3057\u307e\u3059\u3002.<\/p><\/li><li><p>\u8a2d\u8a08\u9078\u629e\u306e\u59a5\u5f53\u6027\u3092\u65e9\u671f\u306b\u691c\u8a3c\u3059\u308b\u305f\u3081\u3001 <strong>\u4e8b\u524d\u9069\u5408EMI\u8a66\u9a13<\/strong> \u3092\u5b9f\u65bd\u3057\u307e\u3059\u3002.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >8. LINK-PP LAN\u30de\u30b0\u30cd\u30c6\u30a3\u30af\u30b9\u306e\u7279\u5fb4<\/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\/7711f1be3e3c412aab54878b762bbe95.webp\" alt=\"LINK-PP LAN Magnetics\" class=\"wp-image-4864\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7711f1be3e3c412aab54878b762bbe95.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7711f1be3e3c412aab54878b762bbe95-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7711f1be3e3c412aab54878b762bbe95-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7711f1be3e3c412aab54878b762bbe95-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7711f1be3e3c412aab54878b762bbe95-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/\">LINK-PP<\/a> \u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5305\u62ec\u7684\u306a\u30dd\u30fc\u30c8\u30d5\u30a9\u30ea\u30aa\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002 <strong>LAN\u30c8\u30e9\u30f3\u30b9\u30d5\u30a9\u30fc\u30de\u30fc<\/strong> \u304a\u3088\u3073 <strong>\ud83d\udc49 LINK-PP\u3067\u306f\u3001<\/strong> \u30de\u30b0\u30cd\u30c6\u30a3\u30af\u30b9\u5185\u8535RJ45\u30b3\u30cd\u30af\u30bf\u306f\u3001\u6700\u65b0\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u8a2d\u8a08\u306b\u304a\u3051\u308bEMI\u304a\u3088\u3073EMC\u8ab2\u984c\u306b\u5bfe\u51e6\u3059\u308b\u305f\u3081\u306b\u7279\u5225\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u90e8\u54c1\u306f\u3001\u9ad8\u6027\u80fd\u7d76\u7e01\u3001\u5171\u901a\u30e2\u30fc\u30c9\u30ce\u30a4\u30ba\u6291\u5236\u3001\u6700\u9069\u5316\u3055\u308c\u305f\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u30de\u30c3\u30c1\u30f3\u30b0\u3092\u7d44\u307f\u5408\u308f\u305b\u3001\u5b89\u5b9a\u3057\u305f\u9ad8\u901f\u30c7\u30fc\u30bf\u4f1d\u9001\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">LINK-PP\u793e\u306f\u3001\u30de\u30b0\u30cd\u30c6\u30a3\u30af\u30b9\u3092RJ45\u30b3\u30cd\u30af\u30bf\u306b\u76f4\u63a5\u7d71\u5408\u3059\u308b\u3053\u3068\u3067\u3001 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.rj45-modularjack.com\/supplier-26966-magnetic-rj45-jack\"><strong>ICM\uff08Integrated Common-mode Choke\uff09<\/strong><\/a> \u306ePCB\u30ec\u30a4\u30a2\u30a6\u30c8\u3092\u7c21\u7d20\u5316\u3057\u3001\u90e8\u54c1\u70b9\u6570\u3092\u524a\u6e1b\u3057\u3001\u5206\u96e2\u578b\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3068\u6bd4\u8f03\u3057\u3066EMI\u5236\u5fa1\u6027\u80fd\u3092\u5411\u4e0a\u3055\u305b\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u7279\u306b\u3001 <strong>Ethernet\u30a2\u30c0\u30d7\u30bf\u30fc\u3001<\/strong>, <strong>\u30eb\u30fc\u30bf\u30fc<\/strong>, <strong>\u30b5\u30fc\u30d0\u30fc<\/strong>, <strong>\u7523\u696d\u7528\u5236\u5fa1\u30b7\u30b9\u30c6\u30e0<\/strong>, \u304a\u3088\u3073 <strong>PoE\u5bfe\u5fdc\u30c7\u30d0\u30a4\u30b9<\/strong>, \u306a\u3069\u3001\u96fb\u78c1\u4e21\u7acb\u6027\uff08EMC\uff09\u306e\u5b89\u5b9a\u6027\u304c\u6975\u3081\u3066\u91cd\u8981\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3055\u3089\u306b\u3001LINK-PP\u793e\u306e\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306f <strong>RoHS\u9069\u5408<\/strong> \u3067\u3042\u308a\u3001 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/ieee-802-3-ethernet-standard-explained\/\"><strong>IEEE 802.3\u898f\u683c<\/strong><\/a>, \u3092\u6e80\u305f\u3059\u3001\u3042\u308b\u3044\u306f\u305d\u308c\u3092\u4e0a\u56de\u308b\u6027\u80fd\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30e1\u30fc\u30ab\u30fc\u306f\u56fd\u969b\u7684\u306aEMC\/EMI\u8a8d\u8a3c\u3092\u78ba\u5b9f\u306b\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-17548-lan-transformer.htm\">LINK-PP\u793e\u306eLAN\u30c8\u30e9\u30f3\u30b9\u30d5\u30a9\u30fc\u30de\u88fd\u54c1\u30e9\u30a4\u30f3<\/a> \u3092\u3054\u89a7\u306b\u306a\u308a\u3001\u9ad8\u901f\u30cd\u30c3\u30c8\u30ef\u30fc\u30ad\u30f3\u30b0\u3001EMI\u6291\u5236\u3001\u304a\u3088\u3073\u30b0\u30ed\u30fc\u30d0\u30eb\u898f\u683c\u3078\u306e\u78ba\u5b9f\u306a\u9069\u5408\u306b\u5bfe\u5fdc\u3057\u305f\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u3054\u78ba\u8a8d\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >9. \u7d50\u8ad6<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>LAN\u30c8\u30e9\u30f3\u30b9\u30d5\u30a9\u30fc\u30de\u30fc<\/strong> \u306f\u3001\u30d0\u30e9\u30f3\u30b9\u306e\u53d6\u308c\u305f\u5dee\u52d5\u4fe1\u53f7\u4f1d\u9001\u306e\u7dad\u6301\u3001\u56de\u8def\u306e\u7d76\u7e01\u3001\u304a\u3088\u3073\u5171\u901a\u30e2\u30fc\u30c9\u96fb\u6d41\u306e\u6e1b\u8870\u3092\u901a\u3058\u3066EMI\u4f4e\u6e1b\u306b\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u9069\u5207\u306aPCB\u8a2d\u8a08\u304a\u3088\u3073\u9ad8\u54c1\u8cea\u306a\u7d71\u5408\u30de\u30b0\u30cd\u30c6\u30a3\u30af\u30b9\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u6a5f\u5668\u306f\u4fe1\u983c\u6027\u306e\u3042\u308b\u52d5\u4f5c\u3092\u5b9f\u73fe\u3059\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u53b3\u683c\u306a <strong>EMI\/EMC\u898f\u683c\u3078\u306e\u9069\u5408\u3082\u4fdd\u8a3c\u3055\u308c\u307e\u3059\u3002<\/strong>.<\/p>","protected":false},"excerpt":{"rendered":"<p>LAN\u30c8\u30e9\u30f3\u30b9\u30d5\u30a9\u30fc\u30de\u30fc\u304a\u3088\u3073\u7d71\u5408\u30de\u30b0\u30cd\u30c6\u30a3\u30af\u30b9\u304cEthernet\u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3044\u3066EMI\u3092\u6291\u5236\u3059\u308b\u65b9\u6cd5\u3092\u5b66\u3073\u307e\u3059\u3002\u5b9f\u7528\u7684\u306a\u8a2d\u8a08\u306e\u30d2\u30f3\u30c8\u3001\u5171\u901a\u30e2\u30fc\u30c9\u30c1\u30e7\u30fc\u30af\u306e\u5f79\u5272\u3001\u304a\u3088\u3073LINK-PP\u88fd\u54c1\u306b\u95a2\u3059\u308b\u6ce8\u8a18\u3002.<\/p>","protected":false},"author":1,"featured_media":4865,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[23],"class_list":["post-4866","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:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/posts\/4866","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/comments?post=4866"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/posts\/4866\/revisions"}],"predecessor-version":[{"id":11061,"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/posts\/4866\/revisions\/11061"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/media\/4865"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/media?parent=4866"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/categories?post=4866"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/tags?post=4866"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}