{"product_id":"ethernet-magjack-rj45-integrated-magnetics-pcb-mount","title":"Ethernet MagJack — RJ45 with Integrated Magnetics, PCB Mount","description":"\u003ch2\u003eEthernet MagJack — RJ45 with Integrated Magnetics, PCB Mount\u003c\/h2\u003e\n\n\u003cp\u003eAn \u003cstrong\u003eEthernet MagJack\u003c\/strong\u003e — an \u003cstrong\u003eRJ45 connector with integrated magnetic isolation transformer\u003c\/strong\u003e — for adding a professional Ethernet port to custom PCBs. The integrated magnetics (transformer + common-mode choke) provide \u003cstrong\u003eIEEE 802.3 compliant isolation\u003c\/strong\u003e between the PHY chip and the Ethernet cable, protecting against ESD, ground loops, and common-mode noise. Includes \u003cstrong\u003eLED indicator pins\u003c\/strong\u003e for link and activity status. Compatible with \u003cstrong\u003eENC28J60, W5500, and LAN8720\u003c\/strong\u003e Ethernet PHY chips used in Arduino and ESP32 projects.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConnector: \u003cstrong\u003eRJ45 with integrated magnetics (MagJack)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eStandard: \u003cstrong\u003e10BASE-T \/ 100BASE-TX (IEEE 802.3)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMounting: \u003cstrong\u003eThrough-hole PCB mount\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eLED indicators: \u003cstrong\u003e2 (link + activity)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eIsolation: \u003cstrong\u003e1500V RMS (integrated transformer)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompatible PHYs: \u003cstrong\u003eENC28J60, W5500, LAN8720, DP83848\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompliance: \u003cstrong\u003eRoHS compliant\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose a MagJack?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eIntegrated magnetics\u003c\/strong\u003e — no separate transformer needed, simplifies PCB design\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e1500V isolation\u003c\/strong\u003e — protects PHY chip from ESD and ground loop damage\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eIEEE 802.3 compliant\u003c\/strong\u003e — meets Ethernet electrical standards for reliable networking\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eLED indicators\u003c\/strong\u003e — link and activity status without external components\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eCompact PCB footprint\u003c\/strong\u003e — single component replaces RJ45 + separate transformer\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eArduino Ethernet shield custom PCB design\u003c\/li\u003e\n\u003cli\u003eESP32 wired Ethernet port (LAN8720 + MagJack)\u003c\/li\u003e\n\u003cli\u003eENC28J60 or W5500 Ethernet module custom PCB\u003c\/li\u003e\n\u003cli\u003eIndustrial embedded Ethernet controller PCB\u003c\/li\u003e\n\u003cli\u003eIoT gateway wired Ethernet port\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45672468316395,"sku":"","price":10.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/Magjack-CETUS-J1B1211CCD.jpg?v=1723008725","url":"https:\/\/keszoox.com\/products\/ethernet-magjack-rj45-integrated-magnetics-pcb-mount","provider":"Keszoox","version":"1.0","type":"link"}