T1/CEPT/ISDN PRI INTERFACE TRANSFORMER Turns Ratio ( + 5% ) Flammability: Materials used in the production of these units meet requirements of UL94-VO and IEC 695-2-2 needle flame test. 1CT:2CT & 1:1.36CT PARAMETER MIN. OCL (Primary) 1.6 MAX. UNITS 1500 VRMS Isolation (Hi-Pot) mH Leakage Inductance 1.00 & 0.8 µH Capacitance (CW/W) 60 & 50 pF Primary DC Resistance Secondary DC Resistance ET Product 1.7 ohms 2.0 & 1.7 ohms 10 Temperature Characteristics: -40o C 960 µH min. (40% drop in inductance) +85o C 1.84 mH min. (15% growth in inductance) Typical part: 2.0 mH @ +25o C 2.4 mH @ +85o C 1.3 mH @ -40o C VµS Tape and Reel available. Primary Pins 12-10 & 4-6 PHYSICAL DIMENSIONS All 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: 12 11 10 9 8 Parts shipped in anti-static tubes. 29 pieces per tube 7 RHOMBUS P/N: T-14401 1 2 3 4 6 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