{"product_id":"rtl8125bg-cg-rtl8201f-ethernet-controller-ic-qfn48-smd-original","title":"RTL8125BG-CG \u0026 RTL8201F Ethernet Controller ICs | Original New","description":"\u003ch2\u003eRTL8125BG-CG \u0026amp; RTL8201F Ethernet Controller ICs – Genuine Original Components\u003c\/h2\u003e\n\u003cp\u003eGet reliable, original Realtek Ethernet controller integrated circuits for your computer networking and PCB projects. This listing covers the \u003cstrong\u003eRTL8125BG-CG (QFN48)\u003c\/strong\u003e and \u003cstrong\u003eRTL8201F-VB-CG\u003c\/strong\u003e — genuine, brand-new chips ideal for engineers, hobbyists, and electronics repair professionals who need authentic, high-quality components.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGenuine Original ICs\u003c\/strong\u003e – New, authentic Realtek RTL8125BG-CG and RTL8201F-VB-CG chips, not clones or refurbished parts\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRTL8125BG-CG\u003c\/strong\u003e – 2.5G Ethernet controller in compact QFN48 SMD package, ideal for high-speed network interface card designs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRTL8201F-VB-CG\u003c\/strong\u003e – 10\/100M Fast Ethernet PHY transceiver, widely used in routers, switches, and embedded networking boards\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSMD Package\u003c\/strong\u003e – Surface-mount design for streamlined PCB integration and space-efficient layouts\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard Operating Conditions\u003c\/strong\u003e – Designed for reliable performance within standard voltage and temperature ranges\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo High-Concern Chemicals\u003c\/strong\u003e – Compliant with environmental standards; free from high-concern chemical substances\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity: 1 IC per order\u003c\/strong\u003e – Select your required variant (RTL8125BG-CG or RTL8201F-VB-CG) at checkout\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eComputer \/ Networking\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew, Original\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSMD (QFN48 for RTL8125BG-CG)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIC Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDrive IC \/ Ethernet Controller\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard Range\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity per Order\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Piece\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWho Is This For?\u003c\/h3\u003e\n\u003cp\u003eThese ICs are perfect for \u003cstrong\u003eelectronics engineers, PCB designers, hardware repair technicians\u003c\/strong\u003e, and \u003cstrong\u003eDIY electronics enthusiasts\u003c\/strong\u003e who need genuine Realtek networking chips for motherboard repair, custom network cards, embedded systems, or prototype development.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the difference between the RTL8125BG-CG and the RTL8201F-VB-CG?\u003c\/h4\u003e\n\u003cp\u003eA: The RTL8125BG-CG is a 2.5G Ethernet controller IC primarily used in high-speed network interface card (NIC) designs and modern motherboards supporting 2.5GbE connectivity. The RTL8201F-VB-CG is a 10\/100M Fast Ethernet PHY transceiver used in embedded networking boards, routers, and switches. Choose the chip that matches your project's networking speed requirement.\u003c\/p\u003e\n\u003ch4\u003eQ: Are these ICs genuine original components or aftermarket replacements?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, these are brand-new, genuine original Realtek RTL8125BG-CG and RTL8201F-VB-CG integrated circuits — not clones, counterfeits, or refurbished parts. They are sourced as original Drive ICs in SMD packaging suitable for professional PCB assembly and repair.\u003c\/p\u003e\n\u003ch4\u003eQ: What package type are these ICs and how many pieces are included per order?\u003c\/h4\u003e\n\u003cp\u003eA: The RTL8125BG-CG comes in a QFN48 SMD package, and the RTL8201F-VB-CG is also available in SMD format. Each order includes 1 piece of the selected variant. 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