U Interface Transformer Turns Ratio ( + 3 % ) 1 : 0.8 : 0.8 PARAMETER Primary Inductance (1) MIN. TYP. MAX. UNITS 13.0 14.5 15.95 mH Pins 1-4. SECONDARY PRIMARY 8 Leakage Inductance 1 Schematic Diagram (1) Interwinding Capacitance Primary DC Resistance 48 µH 53 pF 7 2.4 ohms 6 2.3 ohms 5 1 Pins 1-4 Secondary DC Resistance 4 Pins 2-3 or 6-5. Isolation (Hi-Pot) 500 VRMS DC Bias 50 mA 1 . Tested @ 10kHz & 100 mVRMS .81 (20.6) .81 (20.6) .415 (10.54) .120 (3.05) MIN. .200 (5.08) TYP. Pin Diameter is 0.024 (0.6) Bottom View 1 2 3 4 .69 (17.5) Physical Dimensions inches (mm) RHOMBUS P/N: T-1027 8 7 6 5 Rhombus Industries Inc. Transformers & Magnetic Products CUST P/N: DATE: 05/19/98 NAME: SHEET: 1 of 1 15801 Chemical Lane, Huntington Beach, CA 92649 Phone: (714) 898-0960 FAX: (714) 896-0971 www.rhombus-ind.com