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WIZnet Ethernet Chip Selection Guide

WIZnet's 5 Ethernet chips: W5100S & W5500 for cost/space efficiency, W5300 for high throughput, W6100 & W6300 for IPv6 & high-speed IoT/industrial applications.

ronpang

Published January 23, 2026

WIZnet Ethernet Chip Selection Guide

Project description

Preface This article focuses on WIZnet's 5 core Ethernet chips (W5100S, W5500, W5300, W6100, W6300). Each model has distinct emphases on interface type, data rate, and functional configuration, covering a full spectrum of scenarios from low-cost lightweight IoT devices and small universal equipment to high-throughput industrial systems and IPv6-compatible network terminals. They match diverse hardware design requirements, from minimalist connected devices to high-bandwidth industrial terminals, helping you quickly identify suitable solutions and reduce selection and development costs. Core…

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