1) Designed to meet IEEE 802.3 and ANSI X3.263 standards including 350uH OCL with 8 mA bias. 2) Single port, two ports, and quad ports. 3) For adapter cards, MAUs, hubs, and motherboard applications. 4) Designed for various IC manufacturers' IC P/N. 5) Surface mount and through hole package. 6) 16Pins, 20Pins and 40Pins 7) Available different Turn Ratios 8) RoHS compliant(PB free) 9) Main P/N: TRC1102NLE, TRC1012NLE, TRB81019NLE etc.