10/100 BASE-T SINGLE PORT TRANSFORMER MODULE 1 : 1 Transmit Turns Ratio CompatibleWith Intel, National Semiconductor, Level One, ICS, Kendin, TDK, Broadcom, SEEQ and Lucent Transceivers Electrical Specifications at 25o C Insertion Part Insertion Loss Return Loss Number (dB MAX) (dB MIN @ 100Ω) T-17804 0.1-100MHz 1-30MHz -1.0 -20 40MHz 50MHz -20 Differential to Common Mode Rejection (dB MIN) Crosstalk (dB MIN) 60-80MHz 30MHz -14 -50 -18 60MHz 100MHz -40 -40 30MHz -42 60MHz 100MHz -36 -33 Hipot (Vrms MIN) 1500 Operating Temperature Range: -400C to + 850C SCHEMATIC Meets all IEE 802.3 and ANSI X3.263 standards including 350 µH OCL with 8 mA bias RECEIVE RD+ 1 CT Mil. Grade Epoxy encapsulated package withstands 235oC IR reflow 7 RX+ 3 5 RD- 2 CT 6 RX- 1CT : 1CT Tape and Reel available. TRANSMIT TD- 16 10 TX- 12 CT CT 14 TD+ 15 11 TX+ 1CT : 1CT 1.000 (25.40) MAX. 12 CT .410 (10.41) MAX. .260 (6.60) .300 MAX. (7.62) MAX. .020 (0.51) TYP. .010 (0.25) TYP. .040 (1.02) TYP. .510 (12.95) .480 (12.19) .100 (2.54) TYP. Dimensions in inches (mm) RHOMBUS P/N: T-17804 CUST P/N: DATE: 5/21/01 Rhombus Industries Inc. Transformers & Magnetic Products NAME: SHEET: 1 OF 1 15801 Chemical Lane, Huntington Beach, CA 92649 Phone: (714) 898-0960 FAX: (714) 896-0971 www.rhombus-ind.com