The HX5020FNLT is a surface-mount Gigabit Ethernet transformer module designed for high-speed network applications. It operates over a temperature range of -40°C to +85°C and features a minimum open circuit inductance (OCL) of 350 µH with an 8 mA DC bias. Key electrical characteristics include a 1:1 turns ratio, input-to-output isolation of 1500 VRMS, and a common mode rejection ratio of at least -50 dB from 10-100 MHz. This RoHS-compliant module meets IEEE 802.3 standards, making it a reliable component for various network interface designs.