T-1477

100BASE-T INTERFACE TRANSFORMER Reinforced Insulation Per EN 41003/EN 60950 Turns Ratio ( + 5% ) Parameter Min. 1CT:1CT Max. Units Meets IEE 802.3 and ANSI X3.263 Standards. Transformer can be used for Transmit or Receive side. Flammability: Materials used in the production of these units meet requirements of UL94-VO and IEC 695-2-2 needle flame test. Parts shipped in anti-static tubes. 31 pieces per tube Surface mount version of this part available. Part# T-1477G OPERATING TEMPERATURE RANGE: -400C TO +850C Open Circuit Inductance (8 mA DC Bias) 350 µH 0.9 10 0.9 1.0 -1.0 µH pF ohms ohms dB Leakage Inductance Interwinding Capacitance (CW/W) Primary DC Resistance Secondary DC Resistance Insertion Loss (0.1 - 100 MHz) Return Loss 1 - 30 MHz 40 MHz 50 MHz 60 - 80 MHz Isolation (HI-POT) -22 -20 -18 -12 4000 dB dB dB dB V RMS Physical Dimensions inches (mm) Schematic Diagram PRELIMINARY! RHOMBUS P/N: T-1477 CUST P/N: DATE: 12/14/01 NAME: SHEET: 1 OF 1 R hombus Industries Inc. Transformers & Magnetic Products www.rhombus-ind.com 15801 Chemical Lane, Huntington Beach, CA 92649-1595 Phone: (714) 898-0960 FAX: (714) 896-0971