SM546-1

oH V SC AV ER OM AI SIO PL LA N IA BL S NT E Features ■ For use with Globespan ADSL chipset ■ Excellent Total Harmonic Distortion ■ Operating temperature -40 °C to +85 °C ■ Lead free version available (see How to Order) ■ Lead free versions are RoHS compliant* PT5 42- 1 (THD) Performance ■ Exceeds standards for ANSI and ETSI ■ Isolation voltages up to 2000 Vrms ■ Designed to meet UL1950 and EN60950 supplementary insulation requirements for operating voltages up to 250 Vrms *R Applications ■ ADSL - Globespan PT542-1 to SM547-1 ADSL & RADSL Transformers Electrical Specifications @ 25 °C Turns Ratio 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 OCL Primary (1-4) with Leakage (2-3) shorted Inductance (µH –10 %) (µH max.) 940 410 940 410 940 410 10 10 10 10 10 10 DCR @ (1-3), (2-4), (10-8), (9-7) (Ω max.) 1.2 0.8 1.2 0.8 1.2 0.8 Part Number PT542-1 PT543-1 PT544-1 PT545-1 SM546-1 SM547-1 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 Product Dimensions SMT 19.05 (.750) 3.81 8 PLCS. (.150) 4.83 (.190) 1.78 (.070) 22.86 27.05 (.900) (1.065) DATE CODE THT 3.81 8 PLCS. (.150) 10 24.13 MAX. (.950) 7 DIMENSIONS ARE: 23.24 (.915) DATE CODE MM (INCHES) 26.67 MAX. (1.05) TOLERANCE: ± 1 24.13 MAX. (.950) 4 0.25 (.010) Recommended PAD layout 3.81 TYP. (.150) 1.07 0.38 X TYP. (.042) (.015) 12.70 MAX. (.500) 12.70 MAX. (.500) MIN. 3.3 (.130) 0.97 10 PLCS. (.038) 0.10 (.004) 10 SURFACES 3.56 10 PLCS. (.140) 20.32 (.800) Packaging Specifications Tube ....................................35 pcs./tube How to Order PT or SM5xx-1 __ Model Termination Blank = Tin-lead L = Tin only (lead free) Electrical Schematic 1 3 2 4 10 8 9 7 03/05 *RoHS Directive 2002/95/EC Jan 27 2003 including Annex Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.