T-1028

U Interface Transformer Turns Ratio ( + 3 % ) PARAMETER MIN. TYP. 1 : 1 :1.6 : 1.6 Schematic Diagram Secondary 4 3 2 1 MAX. UNITS Primary Inductance1 Pins 1-4. 10.8 12.0 24 29 4.5 13.2 mH µH pF ohms Primary 5 6 7 8 Leakage Inductance1 Interwinding Capacitance1 Primary DC Resistance Pins 1-4 Secondary DC Resistance Pins 2-3 or 6-5. 4.0 ohms Isolation (Hi-Pot) DC Bias 1. Tested @ 10kHz & 100 mVRMS 2000 60 VRMS mA Physical Dimensions 1.02 (26.0) MAX. inches (mm) .512 (13.0) MAX. .17 (4.3) .025 (0.63) DIA. 1 8 7 PIN POSITION GRID 0.100 (2.54) HOLES FOR BOBBIN PINS HOLES FOR CLIPS 1 2 3 4 .150 (3.81) .200 (5.08) .150 (3.81) 2 .768 (19.5) MAX. 3 4 6 5 8 7 6 5 Clamps: .024 X .016 (0.6 X 0.4) RHOMBUS P/N: T-1028 CUST P/N: DATE: 03/09/98 NAME: SHEET: 1 of 1 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