Turns Ratio ( + 5% ) T1/CEPT/ISDN PRI INTERFACE TRANSFORMER 1CT : 1CT & 1CT : 1CT PARAMETER MIN. OCL (Primary) 1.2 MAX. UNITS mH Leakage Inductance 0.8 µH Capacitance (CW/W) 50 pF Primary DC Resistance 1.0 ohms Secondary DC Resistance 1.0 ohms ET Product Flammability: Materials used in the production of these units meet requirements of UL94-VO and IEC 695-2-2 needle flame test. 10 1500 VRMS Isolation (Hi-Pot) Parts shipped in anti-static tubes. 29 pieces per tube VµS Tape and Reel available. Primary Pins 1-3 & 4-6 Dimensions in inches (mm) .456 (11.58) MAX. .650 (16.51) MAX. .340 (8.64) MAX. .020 (0.51) TYP. .100 (2.54) TYP. .010 (0.25) TYP. .040 (1.02) TYP. .040 (1.02) TYP. .550 (13.97) .520 (13.21) SCHEMATIC DIAGRAM Secondary 12 11 Secondary 10 9 T1 1 2 Primary 7 8 T2 3 4 5 6 Primary RHOMBUS P/N: T-14405 CUST P/N: DATE: 2/23/98 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