G.Fast Transformer G.Fast Transformer Compatible with Broadcoms DSP: BCM652xx and AFE: BCM659xx chipset family and Microsemi’s Line Driver Le8728 integrating G.Fast Technology EN60950-1 Functional Isolation Compliant - 250Vrms RoHS-6 Compliant SMD Product Available on Tape & Reel Part Number BX4500LNL BX4500LNL Electrical Specifications @ 25°C - Operating Temperature -40°C to +85°C Turns Ratio Leakage OCL Line (1-4): (8-5) Inductance (1-4) with with (2-3, 6-7) (1-4) with others (2-3) s.