... transformer/electronic transformer/lan transformer,used in HUB,PC card,Switch,Route,PC Mainboard,SDH,PDH,IP Phone,XDSL Modem.. ... including 350uH OCL with 8 mA bias.2) Single port, two ports, and quad ports.3) For adapter cards ... 4) Designed for various IC manufacturers' IC P/N.5) Surface mount and through hole package.6) 16Pins,20Pins ... 9) Main P/N:H1074NL,TRB81074NLE,etc. H1074NL ethernet transformer