T1/CEPT/ISDN PRI Interface Transformer Electrical Specifications @ 250C Turns Ratio ( + 3% ) 1CT : 2.42CT (T1) & 1CT : 2.42CT (T2) PARAMETER MIN. OCL (Primary) 1.20 MAX. UNITS mH Leakage Inductance 0.6 µH Capacitance (CW/W) 25 pF Primary DC Resistance 0.7 Ohms Secondary DC Resistance 1.2 Ohms Operating Temp Range -40 +85 Flammability: Materials used in the production of these units meet requirements of UL94-VO and IEC 695-2-2 needle flame test. 0 Contains both transmit and receive transformers Parts shipped in anti-static tubes. 33 pieces per tube C Isolation 1500 VRMS Min. Primary Pins 1-3 & 6-8 Tape & Reel Available PHYSICAL DIMENSIONS inches (mm) Schematic Diagram Secondary T1 Primary Rhombus Industries Inc. Transformers & Magnetic Products Secondary T2 Primary Rhombus P/N: T-14178 Cust. P/N: 10/20/99 Date: ww.rhombus-ind.com Name: Sheet: 1 of 1 15801 Chemical Lane, Huntington Beach, CA 92649 Phone: (714) 898-0960 FAX: (714) 896-0971