... /electronic transformer/lan transformer,used in HUB,PC card,Switch,Route,PC Mainboard,SDH ... in the communication and networking equipments such as switch,hub,LAN card,SDH,PDH,xDSL device etc. Features ... 350uH OCL with 8 mA bias.2) Single port, two ports, and quad ports.3) For adapter ... different Turn Ratios8) RoHS compliant(PB free)9) Main P/N:H1074NL,TRB81074NLE,etc. H1074NL ethernet transformer