T1/CEPT/ISDN PRI Interface Transformer Electrical Specifications @ 250C * Turns Ratio ( + 3% ) 1:1:1.15:1.26 & 1:2CT PARAMETER MIN. OCL (Primary) 1.5 & 1.5 UNITS mH Leakage Inductance 0.5 & 0.5 µH Capacitance (CW/W) 35 & 35 pF Primary DC Resistance 0.7 & 0.7 Ohms Secondary DC Resistance 1.0 & 1.4 Ohms Operating Temp Range Primary Pins 14-16 & 6-8 * MAX. Pins 14-16 to 3-4 = 1:1 Pins 14-16 to 2-4 = 1.15 Pins 14-16 to 1-4 = 1.26 -40 Flammability: Materials used in the production of these units meet requirements of UL94-VO and IEC 695-2-2 needle flame test. +85 0 Parts shipped in anti-static tubes. 33 pieces per tube Tape & Reel Available C Isolation 2000 VRMS Min. PHYSICAL DIMENSIONS inches (mm) Schematic Diagram Rhombus P/N: Cust. P/N: 2/12/98 Date: Rhombus Industries Inc. Transformers & Magnetic Products T-14114 Name: Sheet: 1 of 1 15801 Chemical Lane, Huntington Beach, CA 92649 Phone: (714) 898-0960 FAX: (714) 896-0971 www.rhombus-ind.com