T-17404

10 BASE-T QUAD PORT TRANSFORMER Fast Rise Times Meets ECMA Requirements IEEE 802.3 Compatible Operating temperature Range -45oC to +85oC Electrical Specifications at 25o C Sine Wave Part Turns Ratio Inductance Number (+2%) (µH MIN) 1 Transmit T-17404 1CT : 2CT 180 Interwinding Capacitance (pF MAX) 1 Leakage Inductance (µH MAX) 1 Return Loss 5 to 10mHz (dB MIN) 100 Ω 98+13Ω -15 Common Mode Rejection TX (dB MIN) 5 mHz -50 10 50 100 mHZ mHZ mHz -40 -30 -20 200 mHz -14 Hipot (VRMS MIN) 10 0.30 -20 1500 1. Measured at 20 mVrms, 100 kHz. Insertion Loss : Typically -0.5 dB maximum from 1 to 10 mHz. Crosstalk : From 1 to 10 mHz is -35 dB minimum. Schematic Diagram 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 1CT:2CT 1CT:2CT 1CT:2CT 1CT:2CT 1:1 1:1 1:1 1 2 RX 345 TX 678 TX 9 RX 10 11 20 12 13 14 15 16 17 18 19 TX RX RX TX Dimensions in inches (mm) 1.120 (28.45) M AX. .485 (12.32) M AX. .230 (5.84) M AX. 1:1 .016 (0.41) TYP. .050 (1.27) TYP. .010 (0.25) TYP. .045 (1.14) TYP. .010 (0.25) TYP. .640 (16.26) .620 (15.75) RHOMBUS P/N: T-17404 CUST P/N: NAME: DATE: 02/16/00 SHEET: 1 OF 1 Rhombus Industries Inc. Transformers & Magnetic Products www.rhombus-ind.com 15801 Chemical Lane, Huntington Beach, CA 92649 Phone: (714) 898-0960 FAX: (714) 896-0971