Impedance Transformer Turns Ratio Turns Ratio Turns Ratio (Pin 2-6 : Pin 3-7) (Pin 3-7 : Pin 4-8) (Pin 2-1 : Pin 1-6) PARAMETER MIN. Primary Inductance (1) 1.60 : 1.70 1.95 : 2.05 0.95 : 1.05 MAX. 7.68 Schematic Diagram UNITS mH 8 6 1 2 3 µH 4 7 DC Resistance (Pin 1-6) 0.95 ohms 3 DC Resistance (Pin 2-1) 1.0 ohms DC Resistance (Pin 3-7) 1.8 ohms DC Resistance (Pin 4-8) 0.75 ohms Pins 3-7 Leakage Inductance (2) Pins 3-7 Pins 2-6 Shorted Isolation (Hi-Pot) Winding to Winding 500 VRMS Isolation (Hi-Pot) Winding to Core 500 VRMS This part is available in Surface Mount. Add Suffix "G" to part number. 1. Tested at 10 KHz & 1 V 2. Tested at 100 KHz & 1 V .470 (11.93) .560 (14.22) Max. .480 (12.19) Max. .120 (3.05) Min. Physical Dimensions inches (mm) .100 (2.54) Typ. .100 (2.54) Typ. Pin Diameter is 0.022 (0.56) PIN POSITION GRID 0.100 (2.54) HOLES FOR BOBBIN PINS HOLES FOR CLIP PINS(.040 Dia.) 4 1 Bottom View 8 5 RHOMBUS P/N: T-1231 CUST P/N: DATE: 4/19/99 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