"U" INTERFACE TRANSFORMER Turns Ratio ( + 5% ) 1.6 : 1.6 : 1 : 1 Electrical Specifications at 25OC Parameter Min. Inductance (1-4), Shorted pins 2-3 (1) Inductance (1-4), Shorted pins 2-3 (2) Typ. Max. 17.5 70 90 (1-4) DC Resistance With pins 6-7, Shorted (5-8) Hi-Pot 3.9 3.8 Pins (1-4) to (5-8) 1 5 µH 2 6 pF 3 7 4 8 mH Leakage Inductance (1) DC Resistance With pins 2-3, Shorted Schematic Diagram mH 13.3 Interwinding Capacitance (1) Units 4.9 5.8 4.8 5.7 1500 Ω Ω VRM 1. Measured at 10 kHz, 100 Vrms, 0 mAdc. 2. Measured at 10 kHz, 100 Vrms, 60 mAdc. .539 (13.7) Dimensions in inches (mm) 8 7 6 .110 (2.8) 1 8 .148 (3.75) 2 7 .197 (5.00) 6 .148 (3.75) 5 3 4 T-1150 YYWW .079 (2.0) 5 Suggested Solder Pad Layout 1 2 3 4 .888 (22.5) 0.77 (19.6) Max. .689 (17.5) .492 (12.5) .039 (1.00) TYP. .197 .148 (5.00) (3.75) TYP. .011 (0.3) .012 (0.30) TYP. .579 (14.7) .071 (1.8) RHOMBUS P/N: T-1150 CUST P/N: DATE: 04-10-01 Rhombus Industries Inc. Transformers & Magnetic Products NAME: SHEET: 15801 Chemical Lane, Huntington Beach, CA 92649 Phone: (714) 898-0960 FAX: (714) 896-0971 www.rhombus-ind.com