T1/E1/CEPT QUAD PORT Turns Ratio ( + 5% ) (PRI to SEC) (PRI to SEC) PARAMETER MIN. TX RX TYP. 1CT : 1 1CT : 1 MAX. Flammability: Materials used in the production of these units meet requirements of UL94-VO and IEC 695-2-2 needle flame test. UNITS Schematic OCL (Primary) 1 1.5 Leakage Inductance 1 Capacitance (CW/W) 1 Primary DC Resistance Secondary DC Resistance mH µH 35 pF 0.8 Ohms +85 40 TX 2 0.5 0.8 1 3 4 39 38 37 5 36 6 35 RX RX 34 C 7 8 TX 9 33 32 Ohms 0 Operating Temp Range -40 Crosstalk (0.1-5MHz) -60 dB 10 31 -70 dB 11 TX 12 30 CMRR (150kHz-1GHz) Return Loss 12 dB 13 14 29 28 Insertion Loss 1.2 Isolation 1500 27 RX dB 15 26 25 16 VRMS RX 1. 100kHz - 50mV 24 17 18 Primary Pins: 1-3, 8-10, 11-13, 18-20, 38-36, 35-33, 28-26, And 25-23. 23 22 TX 19 21 20 40-Pin 50 mil SMD Package Physical Dimensions in inches (mm) 1.120 (28.45) Available on Tape & Reel .485 (12.32) MAX. MAX. .230 (5.84) MAX. .016 (0.41) .050 (1.27) TYP. TYP. .010 (0.25) .010 (0.25) .045 (1.14) TYP. TYP. TYP. .640 (16.26) .620 (15.75) Rhombus P/N: Cust. P/N: 03/22/02 Date: Rhombus Industries Inc. Transformers & Magnetic Products T-19200 Name: Sheet: 1 of 1 15801 Chemical Lane, Huntington Beach, CA 92649 Phone: (714) 898-0960 FAX: (714) 896-0971 www.rhombus-ind.com