HDSL Transformer Turns Ratio ( + 3 % ) 0.9 : 0.9 : 1.0 Pins 2-9 : 3-8 : 1-5 PARAMETER MIN. MAX. UNITS Primary Inductance1 810 990 µH Schematic Diagram (Pins 1-5) 2 Leakage Inductance 13 µH 2 Interwinding Capacitance 100 pF 1.0 ohms 1.0 ohms Primary DC Resistance (Pins 1-5) Secondary DC Resistance (Pins 3-8 or 2-9) Isolation (Hi-Pot) DC Bias 1 2 1500 VRMS 500 mA Tested @ 10kHz & 1 VRMS Tested @ 100kHz & 1 VRMS Physical Dimensions inches (mm) Notch Indicates Pin #1 RHOMBUS P/N: T-789 CUST P/N: DATE: 01/05/97 Rhombus Industries Inc. Transformers & Magnetic Products NAME: SHEET: 1 of 1 15801 Chemical Lane, Huntington Beach, CA 92649 Phone: (714) 898-0960 FAX: (714) 896-0971 www.rhombus-ind.com