10/100 BASE-TX DUAL PORT TRANSFORMER MODULE FOR USE WITH TRANSCEIVERS REQUIRING 1 : 1 TRANSMIT AND RECEIVE TURNS RATIOS Electrical Specifications at 25o C -12.0 -65 -55 -45 -35 -45 1-60MHz 60-200MHz -30 -53 -40 TX1- TX1+ CT1 RX1+ RX1- Compliant with IEEE 802.3u and ANSI X3.263 standards including 350 µH OCL with 8 mA bias TX2- SCHEMATIC Designed to support two RJ-45 connectors TX2+ -14.5 Receive 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 SMD package compatible with 235oC peak temperature profile 1:1 1:1 9 10 11 12 13 14 15 16 17 18 19 20 TD2+ 8 TCT2 7 RD2- 6 RD2+ 5 1:1 RCT2 4 TD1- RD1- 3 TD1+ 2 RCT1 1 RD1+ 1:1 TD2- -17.0 1MHz 30MHz 60MHz 100MHz Transmit Differential Common Mode Rejection (dB TYP) CMT2 -21.0 60-80MHz RX2+ 2-30MHz 40MHz 50MHz RX2- -0.5 Common to Common Rejection Ratio 0.1-60 MHz (dB TYP) Crosstalk (dB TYP) CT2 0.1-100MHz Return Loss (dB MIN) CMT1 T-16301 Insertion Insertion Loss (dB TYP) TCT1 Part Number DIMENSIONS inches (mm) 1.120 (28.45) .485 (12.32) MAX. MAX. .230 (5.84) MAX. .016 (0.41) .050 (1.27) TYP. TYP. .010 (0.25) .045 (1.14) .010 (0.25) TYP. TYP. TYP. .640 (16.26) .620 (15.75) Tape & Reel Available RHOMBUS P/N: CUST P/N: DATE: 5/27/99 Rhombus Industries Inc. Transformers & Magnetic Products www.rhombus-ind.com T-16301 NAME: SHEET: 15801 Chemical Lane, Huntington Beach, CA 92649-1595 Phone: (714) 898-0960 FAX: (714) 896-0971