Parameter Min. Typ. Inductance 1-10 (2-9, shorted) 25.5 28.0 mH Leakage Inductance 7.3 µH Interwinding Capacitance 3.5 pF DC Resistance 1-9 (2,10 shorted) 2.5 Ω DC Resistance 4-6 (7,5 shorted) 2.0 Ω Frequency Shaping (relative to 50kHz) 0.5 0.5 dB 0.2 dB @ 1kHz @ 1MHz Insertion Loss (50kHz) Longitudinal Balance (1-500 kHz) Primary Midpoint Grounded Isolation ADSL Line Interface Transformer P/N T-1140 1 : 1 + 2% Turns Ratio (1-10, 2-9 : 4-7, 5-6) Max. Units Schematic Diagram 52 dB 1500 VRMS 1 4 10 7 2 5 9 6 8 Pin #8 is Shield .625 (15.88) .625 (15.88) Materials used in construction of this component meet or exceed UL Class B and can be operated up to 130 oC .545 (13.84) MAX. .160 (4.06) TYP. .100 (2.54) TYP. .048 (1.22) .118 (3.00) PIN POSITION GRID 0.100 (2.54) HOLES FOR BOBBIN PINS HOLES FOR CLIPS Pin Diameter is 0.025 (0.64) White Dot indicates Pin #1 6 10 Physical Dimensions Bottom View inches (mm) 5 1 08/21/98 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