T-1272

Turns Ratio (10 - 8) : (9 - 7) (10 - 7) : (1- 4) Parameter Inductance 1-4 (2-3, shorted) 1 Leakage Inductance 2 1 : 1 + 1% 1 : 1 Short (2--3, 8-9)+ 1% Min. 4.5 Typ. 5 Max. 5.5 16 50 1.16 1.16 0.99 1.35 40 0.5 1500 +1.1 dB at 30 kHz - 1.1 MHz 1.29 1.29 1.10 1.50 1.42 1.42 1.21 1.65 Units mH µH pF Ω Ω Ω Ω dB dB VRMS ADSL TRANSFORMER Interwinding Capacitance 3 DC Resistance (1-3) DC Resistance (2-4) DC Resistance (10-8) DC Resistance (9-7) Longitudinal Balance 1KHz - 1MHz Insertion Loss at 100 kHz Hi-Pot Pin (1 to 10,9) and (2 to 10,9) Frequency Response Designed to meet supplementary insulation requirements of IEC950 for a working voltage of 250V Designed for use with Analog Devices ADSL IC: AD20MSP910 1. Tested at 10 kHz - 1.0 V 2. Tested at 100 kHz - 100 mV pins 1-4 (shorted 2-3, 8-9, 7-10) 3. Tested at 10 kHz -1.0VAC, 1-10 (shorted 2-3, 8-9) Schematic Diagram 1 3 PRI (Line Side) 2 4 10 8 9 7 SEC (Device) .560 (14.22) MAX. .550 (13.97) MAX. PIN POSITION GRID 0.100 (2.54) HOLES FOR BOBBIN PINS .495 (12.57) MAX. .210 (5.33) TYP. .100 (2.54) TYP. 10 9 .400 (10.16) TYP. Pin Diameter is 0.025 (0.64) 8 7 6 Bottom View 1 Physical Dimensions inches (mm) 4 5 2 3 Rhombus P/N: Cust. P/N: Date: 9/02/99 T-1272 Name: Sheet: 1 of 1 Rhombus Industries Inc. Transformers & Magnetic Products www.rhombus-ind.com 15801 Chemical Lane, Huntington Beach, CA 92649-1595 Phone: (714) 898-0960 FAX: (714) 896-0971