T1/CEPT/ISDN PRI Interface Transformer Electrical Specifications @ 250C Turns Ratio ( + 3% ) 1CT:2CT (T1) & 1CT:1CT (T2) PARAMETER MIN. OCL (Primary) 1.5 MAX. UNITS mH Leakage Inductance 0.6 µH Capacitance (CW/W) 45 pF Primary DC Resistance 1.0 Ohms Secondary DC Resistance 2.0 & 1.0 Ohms Operating Temp Range Flammability: Materials used in the production of these units meet requirements of UL94-VO and IEC 695-2-2 needle flame test. -40 0 +85 Parts shipped in anti-static tubes. 33 pieces per tube Tape & Reel Available C Isolation 2000 VRMS Min. Primary Pins 1-3 & 11-9 PHYSICAL DIMENSIONS inches (mm) Schematic Diagram Secondary Primary T1 Primary Rhombus Industries Inc. T2 Secondary Transformers & Magnetic Products Rhombus P/N: Cust. P/N: 12/17/98 Date: ww.rhombus-ind.com FSCM No. 16714 T-14172 Name: PAIRGAIN 1 of 1 Sheet: 15801 Chemical Lane, Huntington Beach, CA 92649 Phone: (714) 898-0960 FAX: (714) 896-0971