{"product_id":"rtl8019as-lf-full-duplex-ethernet-controller-ic-tqfp-100-2pcs","title":"RTL8019AS-LF Ethernet Controller IC TQFP-100 – 2 PCS Pack","description":"\u003ch2\u003eRTL8019AS-LF Full Duplex Ethernet Controller Chip — 2-Piece Pack\u003c\/h2\u003e\n\u003cp\u003eGet reliable network connectivity for your embedded and DIY electronics projects with this 2-piece pack of \u003cstrong\u003eRTL8019AS-LF Ethernet Controller ICs\u003c\/strong\u003e. Housed in the compact \u003cstrong\u003eTQFP-100 package\u003c\/strong\u003e, these integrated circuits deliver full-duplex Ethernet functionality, making them a go-to choice for engineers, hobbyists, and prototypers working on microcontroller-based networking solutions.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull Duplex Ethernet:\u003c\/strong\u003e Supports simultaneous send and receive for stable, high-efficiency network communication\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRTL8019AS-LF Chip:\u003c\/strong\u003e Industry-standard Ethernet controller IC widely compatible with ISA-bus and embedded systems\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTQFP-100 Package:\u003c\/strong\u003e Surface-mount form factor ideal for compact PCB designs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLead-Free (LF) Compliant:\u003c\/strong\u003e RoHS-friendly construction — no high-concern chemicals\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand New Condition:\u003c\/strong\u003e Factory-fresh components, ensuring consistent performance and reliability\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePack of 2:\u003c\/strong\u003e Ideal for redundancy, prototyping, or dual-board projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRTL8019AS-LF\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTQFP-100\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFull Duplex Ethernet Controller\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 PCS\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHigh-Concern Chemicals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNone\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 Ethernet controller chips are perfect for electronics engineers, PCB designers, and embedded systems developers who need a dependable, industry-tested IC for networking applications. Whether you're building a custom network device, expanding an existing circuit board, or stocking up for your next batch prototype, this 2-pack offers great value.\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.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the RTL8019AS-LF Ethernet Controller IC used for?\u003c\/h4\u003e\n\u003cp\u003eA: The RTL8019AS-LF is a full-duplex Ethernet controller integrated circuit commonly used in embedded systems, microcontroller networking projects, and custom PCB designs. It enables reliable wired Ethernet communication and is compatible with ISA-bus architectures and a wide range of embedded platforms.\u003c\/p\u003e\n\u003ch4\u003eQ: What does the TQFP-100 package mean?\u003c\/h4\u003e\n\u003cp\u003eA: TQFP-100 stands for Thin Quad Flat Package with 100 pins. It is a surface-mount IC package designed for compact, high-density PCB layouts. The TQFP-100 format makes the RTL8019AS-LF easy to integrate into space-constrained circuit board designs.\u003c\/p\u003e\n\u003ch4\u003eQ: Are these chips lead-free and RoHS compliant?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The \"LF\" suffix in RTL8019AS-LF denotes Lead-Free construction, meaning the chips are RoHS-compliant and contain no high-concern chemicals, making them suitable for modern environmentally conscious electronics manufacturing.\u003c\/p\u003e\n\u003ch4\u003eQ: How many chips are included in this listing?\u003c\/h4\u003e\n\u003cp\u003eA: This listing includes \u003cstrong\u003e2 pieces (2 PCS)\u003c\/strong\u003e of the RTL8019AS-LF TQFP-100 Ethernet Controller IC, all brand new and factory fresh.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the RTL8019AS-LF Ethernet Controller IC used for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The RTL8019AS-LF is a full-duplex Ethernet controller integrated circuit commonly used in embedded systems, microcontroller networking projects, and custom PCB designs. It enables reliable wired Ethernet communication and is compatible with ISA-bus architectures and a wide range of embedded platforms.\"}}, {\"@type\": \"Question\", \"name\": \"What does the TQFP-100 package mean?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"TQFP-100 stands for Thin Quad Flat Package with 100 pins. It is a surface-mount IC package designed for compact, high-density PCB layouts. The TQFP-100 format makes the RTL8019AS-LF easy to integrate into space-constrained circuit board designs.\"}}, {\"@type\": \"Question\", \"name\": \"Are these chips lead-free and RoHS compliant?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. 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