T1/CEPT/ISDN PRI Interface Transformer Turns Ratio ( + 5% ) 1 1:1.15CT & 21CT:2CT Electrical Specifications at 25O C Parameter Min. Max. Units OCL (Primary) T1 T2 1.5 1.2 mH mH Leakage Inductance T1 T2 0.8 0.8 µH µH Capacitance (CW/W) T1 T2 60 50 pF pF Primary DC Resistance T1 T2 1.0 1.0 ohms ohms Secondary DC Resistance T1 T2 1.0 1.7 ohms ohms ET Product 10 Primary Pins 12-10 & 4-6 Isolation 1500 VRMS Min. 1 2 V-µS Flammability: Materials used in the production of these units meet requirements of UL94-VO and IEC 695-2-2 needle flame test. 1500 VRMS Isolation (Hi-Pot) Parts shipped in anti-static tubes. 29 pieces per tube Tape and Reel available. Pins 12-10 : Pins 1-3 (T1) Pins 4-6 : Pins 7-9 (T2) Physical Dimensions inches (mm) Schematic Diagram RHOMBUS P/N: T-14402 CUST P/N: NAME: DATE: 1/16/97 SHEET: Rhombus Industries Inc. Transformers & Magnetic Products 1 OF 1 15801 Chemical Lane, Huntington Beach, CA 92649 Phone: (714) 898-0960 FAX: (714) 896-0971 www.rhombus-ind.com