T-1287G

ADSL Transformer Schematic Diagram Turns Ratio Pri. to Sec. Parameter Inductance Leakage Inductance DC Resistance 1-4, (short 3-2) DC Resistance10-7, (short 8-9) Hi-PotPrimary to Secondary @10kHz- 0.1V 1-4 (2-3 shorted). *Pins 10 - 7 (short 8&9) to 1 - 4 (short 2&3) Primary = Line Side Secondary = Chip Side. 2000 Min. 423 1 : 1 + 2% Typ. Max. 486 5.0 0.8 0.6 Units µH µH Ω 4 Ω VRMS Tested to IEC 68-2-14:1984 Nb Designed for use with Alcatel MTK-20140\20131 Designed to meet UL 1950 supplementary insulation with a working voltage of 250. Materials used in construction of this component meet or exceed UL Class B and can be operated up to 130 oC 7 1 10 3 2 8 9 Dimensions in Inches (mm) .522 (13.26) MAX. .532 (13.51) MAX. .516 (13.1) MAX. 5 4 .715 (18.15) 6 7 8 9 10 .100 (2.54) TYP. .100 (2.54) .028 (0.70) .025 (0.64) .516 (13.1) 3 2 1 Suggested Pad Layout .675 (17.15) .663 (16.85) .050 (1.27) TYP. .100 (2.54) TYP. RHOMBUS P/N: T-1287G CUST P/N: DATE: 8/22/00 NAME: SHEET: Rhombus Industries Inc. Transformers & Magnetic Products 15801 Chemical Lane, Huntington Beach, CA 92649 Phone: (714) 898-0960 www.rhombus-ind.com FAX: (714) 896-0971