T1/CEPT/ISDN PRI INTERFACE TRANSFORMER Reinforced Insulation Per EN 41003/EN 60950 Turns Ratio ( + 5% ) 1CT:2CT & 1:1 PARAMETER MIN. OCL (Primary) 1.2 MAX. mH Leakage Inductance µH 0.80 & 0.55 Capacitance (CW/W) 30 pF Primary DC Resistance 0.7 ohms 1.2 & 0.7 ohms Secondary DC Resistance ET Product Flammability: Materials used in the production of these units meet requirements of UL94-VO and IEC 695-2-2 needle flame test. UNITS 10 3000 VRMS Isolation (Hi-Pot) Tape and Reel available. VµS Primary Pins 1-3 & 6-8 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: 16 15 14 13 12 11 10 9 RHOMBUS P/N: T-15815G 1 2 3 4 5 6 7 8 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