T1/CEPT/ISDN PRI INTERFACE TRANSFORMER Reinforced Insulation Per EN 41003/EN 60950 Turns Ratio ( + 5% ) 1CT:1CT & 1CT: 2CT PARAMETER MIN. OCL (Primary) MAX. Flammability: Materials used in the production of these units meet requirements of UL94-VO and IEC 695-2-2 needle flame test. UNITS 1.2 & 1.2 mH Capacitance (CW/W) 15 & 15 pF 3000 VRMS Isolation (Hi-Pot) Primary DC Resistance 1.0 & 1.0 Secondary DC Resistance ohms 1.0 & 1.7 Parts shipped in anti-static tubes. ohms Primary Pins 1-3 & 6-8 Tape and Reel available. PHYSICAL DIMENSIONS All dimensions in inches (mm) .920 (23.37) MAX. .560 (14.22) MAX. .400 (10.16) MAX. .020 (0.51) TYP. .100 (2.54) TYP. .010 (0.25) TYP. .110 (2.79) TYP. .035 (0.89) TYP. .740 (18.80) .710 (18.03) Schematic Diagram Secondary 16 15 Secondary 14 13 12 11 10 T1 1 2 9 T2 3 4 5 6 Primary 7 Primary RHOMBUS P/N: T-15810 8 CUST P/N: DATE: 5/28/99 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