SM547-1

March 7, 2007 ADSL and RADSL Transformers Features For use with Globespan ADSL Chipset Excellent Total Harmonic Distortion (THD) performance Designed exceeds standards for ANSI and ETSI Designed to meet UL1950 and BABT ELECTRICAL SPECIFICATIONS AT 25°C: OCL Primary Turns Ratio Part Number PT542-1 PT543-1 PT544-1 PT545-1 SM546-1 SM547-1 Chip-Line (±2%) 1.4:1.4:1:1 1:1:1:1 1.4:1.4:1:1 1:1:1:1 1.4:1.4:1:1 1:1:1:1 (1-4) with (2-3) shorted (µH±10%) 940 410 940 410 940 410 Leakage Inductance (µH MAX) 10 10 10 10 10 10 OPERATING TEMP: -40°C to 85°C DCR @(1-3), (2-4), (10-8), (9-7) (Ω MAX) 1.2 0.8 1.2 0.8 1.2 0.8 Isolation Voltage (Vrms) 1500 1500 3000 3000 3000 3000 Insertion Loss (dB MAX) 3 3 3 3 3 3 Longitudinal Balance (dB Typ) 62 62 62 62 62 62 Package THT THT THT THT SMT SMT OUTLINE DIMENSIONS SMT THT NOTES: 1. Dimensions are shown in inches/millimeters Unless otherwise specified, tolerance = Inches: ±0.010 = Millimeters: ±0,25 2. For non-RoHS parts replace PT prefix with 42- (e.g. PT542-1 becomes 42-542-1) 3. Terminal finish is compliant to RoHS requirements. Solder in accordance with J-STD-020C SCHEMATIC DATATRONIC: 28151 Highway 74, Romoland, CA 92858 Tel: 951-928-7700 Toll Free: 888-889-5391 Fax: 951-928-7701 Email: ddisales@datatronics.com 499 King’s Road, Hong Kong Tel: (852) 2562 3858, (852) 2564 8477 Fax: (852) 2565 7214, (852) 2563 1290 All specifications are subject to change without notice.