T1 / CEPT / ISDN-PRI Reinforced Insulation Schematic "B" Schematic "A" For T1/CEPT/ISDN-PRI Telecom Applications Designed to meet CCITT and FCC Requirements Reinforced Insulation per EN 41003/EN 60950 3000 VRMS minimum Isolation. Electrical Specifications 1,2 at 25OC Part Number Turns Ratio ( + 5% ) OCL min. ( mH ) Pri-Sec CW/W max. ( pF ) Leakage LL max. ( µH ) Sec. Pri. DCR max. DCR max. (Ω) (Ω) Schem. Primary Style Pins T-13611 1:1:2 0.8 25 0.80 0.7 0.7 D 1-5 (3) T-13612 1CT:2CT 1.2 30 0.55 0.7 1.1 C 1-5 T-13613 1:1 1.2 30 0.80 0.7 0.7 F 1-5 T-13614 1CT:2CT 1.2 30 0.55 0.7 1.1 C 1-5 T-13615 1CT:3CT:1 0.6 30 0.80 0.7 1.7 E 1-3 T-13616 1:1.08/1.36 1.5 20 0.60 0.7 0.9 B 10-6 T-13617 1:1.14CT 1.5 30 0.70 0.7 0.9 B 10-6 T-13618 1:1:1.58 0.8 18 0.70 0.7 0.5 D 1-5 (3) T-13619 1:1:1 1.2 50 1.20 1.1 1.1 G T-13620 1CT:1 1.2 25 0.8 0.7 0.7 B 1-5 T-13621 1CT:2CT 1.2 30 0.55 0.7 1.1 C 10-6 T-13623 1:2CT 1.2 40 0.5 0.7 1.1 A 1-5 T-13624 1:2.3CT 1.2 35 0.8 0.7 1.15 A 1-5 T-13633 1:1/1.26 1.5 35 0.60 0.7 1.1 B 10-6 T-13634 1:1.58/2 1.5 20 0.70 0.7 1.2 B 10-6 T-13635 1:1.36CT 1.2 35 0.60 0.7 1. All Transformers have ET-Product of 10 V-µsec min. 2. OCL Measured at Primary @100KHz & 20mV 3. For Schematic D, Primary measured with Pins 2 & 4 shorted. 0.9 B 10-6 Schematic "C" Schematic "D" Schematic "E" Schematic "F" Dimensions in Inches (mm) Schematic "G" Note: Per Schematic Diagrams, unused leads are removed. Specifications subject to change without notice. Rhombus Industries Inc. For other values & Custom Designs, contact factory. 9 T60950 - 2/98 15801 Chemical Lane, Huntington Beach, CA 92649-1595 Tel: (714) 898-0960 • Fax: (714) 896-0971