T1/CEPT/ISDN PRI Interface Transformer Electrical Specifications @ 250C Turns Ratio ( + 3% ) 1CT:1CT & 1CT:1CT PARAMETER MIN. OCL (Primary) 1.5 MAX. UNITS mH Leakage Inductance 0.4 µH Capacitance (CW/W) 30 pF Primary DC Resistance 0.7 Ohms Secondary DC Resistance 0.7 Ohms Operating Temp Range Primary Pins 1-3 & 6-8 -40 Flammability: Materials used in the production of these units meet requirements of UL94-VO and IEC 695-2-2 needle flame test. +85 Parts shipped in anti-static tubes. 33 pieces per tube Tape & Reel Available C 0 Isolation 1500 VRMS Min. PHYSICAL DIMENSIONS inches (mm) Schematic Diagram Rhombus P/N: Cust. P/N: 1/23/98 Date: Rhombus Industries Inc. Transformers & Magnetic Products T-14173 Name: Sheet: 1 of 1 15801 Chemical Lane, Huntington Beach, CA 92649 Phone: (714) 898-0960 FAX: (714) 896-0971 www.rhombus-ind.com