The WURTH ELEKTRONIK 7499010121A LAN transformer is a critical component in network communication systems, specifically designed for 10/100Base-TX applications. It provides a 1:1 turns ratio, ensuring impedance matching and efficient signal transfer. Constructed with ferrite core and thermoplastic UL-94V0 housing, this transformer offers robust performance and reliability. It is compliant with IEEE 802.3u standards and suitable for a wide range of networking equipment, including routers, switches, and network interface cards. The transformer's specifications include a DC-Bias OCL of 350 µH min, insertion loss of -1.0 dB max, and common-mode rejection of -30 dB min, ensuring minimal signal degradation and interference. It is packaged in tubes of 30 pieces, with cartons containing 1440 pieces.