T-1049

ISDN TRANSFORMERS "U" INTERFACE P/N T-1049 Parameter Inductance (1-4), Shorted pins 2,3 (1) Min. 13.0 12.4 Typ. 14.5 Max. 15.95 Units mH mH Schematic Diagram 1 2 3 4 Inductance (1-4), Shorted pins 2,3 (2) Leakage Inductance (3) Interwinding Capacitance (3) DC Resistance With pins 2-3, Shorted DC Resistance Hi-Pot (1-4) 6 5 44 50 12.5 µH pF Ω Ω VRM (5-6) Pins (1-10) to 2500 128 135 78 8.9 Primary Impedance, Zp Secondary Impedance, Zs 141 Ω Ω 1. Measured at 40 kHz, 1.0 Vrms, 0 mAdc. 2. Measured at 40 kHz, 1.0 Vrms, 40 mAdc. 3. Measured at 100 kHz. .748 (18.99) MAX. .748 (18.99) MAX. .658 (16.20) .141 (3.59) 1 6 .424 (10.78) 2 5 3 4 Top View .319 (8.10) .37 (9.3) Physical Dimensions inches (mm) .37 (9.3) .032 x .012 (.81 x .30) 4 3 2 5 .55 (14.0) MAX. .55 (14.0) MAX. 1 6 Bottom View 05/27/98 Rhombus Industries Inc. Transformers & Magnetic Products 15801 Chemical Lane, Huntington Beach, CA 92649 Phone: (714) 898-0960 FAX: (714) 896-0971 www.rhombus-ind.com