T1/CEPT/ISDN PRI Interface Transformer Electrical Specifications @ 250C Turns Ratio ( + 3% ) 1CT : 2CT (T1) & 1 : 1 (T2) PARAMETER MIN. OCL (Primary) 1.2 MAX. UNITS mH Leakage Inductance 0.8 / 0.5 µH Capacitance (CW/W) 50 pF Primary DC Resistance 0.8 Ohms Secondary DC Resistance 1.8 & 0.8 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 +85 0 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 Rhombus P/N: Secondary Transformers & Magnetic Products Cust. P/N: 12/22/98 Date: www.rhombus-ind.com T-14107 Name: Sheet: 1 of 1 15801 Chemical Lane, Huntington Beach, CA 92649 Phone: (714) 898-0960 FAX: (714) 896-0971