WE-LAN Ethernet Transformers The WE-LAN series of LAN transformers from Wurth Elektronik provide a surface mount solution and are compliant with IEEE 802.3, IEEE 802.3af and IEEE 802.3at standards. This series of Ethernet transformers feature a turns ratio of 1:1. Product Application Information Applications include Ethernet, 1 Gbps Ethernet and Power over Ethernet. These LAN transformers are suitable for Ethernet applications such as Intel, Realtek, Globespan and AMD as they are compliant with most ICs. Other suitable applications include switches, routers and hubs.