ADSL UM MODEL NO.: SPECIFICATIONS REV. UT20188S ADSL Transformer for Conexant AccessRunner Chipset A4 05/13 Electrical specification at 25 o C: 1.)Turns Ratio and Polarity 2.)D.C.R 3.)Line Side Inductance 4.)Leakage Inductance 5.)Longitudinal Balance 6.)T.H.D 7.)HI-pot test 8.)Operating Temperature : 3.3CS : 1CS ±2% , Line Side : Chip Side . : 0.55Ω max. , PIN(10-7). : 0.55Ω max. , PIN(9-6) . : 0.20Ω max., PIN(1-4) . : 0.20Ω max., PIN(2-5) . : 800uH ±5%, at 10KHz 100mV, PIN(10-6) ; PIN(7-9) shorted . : 10uH max. , at 100KHz 100mV, PIN(10-6); PIN(7-9)&PIN(1-4-2-5) shorted. : 50dB min ., 30KHz ~ 1.1MHz . : -87dB max. , at 30KHz 2.5Vrms . : 1500Vac 60s or 1875Vac 2s , Line side to Chip side . : -40 to +85 o C Note: The SBBG series transformer meets the specifications for supplementary insulation per UL60950-1, CSA60950-1, IEC60950-1 with working voltage of 250V. Schematic diagram & Dimension: Line side Chip side Green Product Pb UMEC UT20188S N SBBG SUGGESTED P.C.B. LAYOUT NOTE : 1. Packaging Information: Tape and Reel according to Item NO.“EP13(SMD)” OF DATA SHEET 01-00 2. For RoHS compliant products: a.) The UMEC ordering code: TG-UT20188S b.) Date Code suffix to “G” (xxxxG). c.) Solder : Sn/Ag/Cu . 3. Specifications are subject to change without prior notice. Tolerances : ±0.2mm UNIT : mm AGENCY APPROVALS UL60950-1 : FILE NO. E212730 CSA 60950-1 (via C-UL) : FILE NO. E212730 Nemko (EN60950-1) : Certificate NO. P05203908 IEC950/EN60950 : CB JPTUV-005419 Nordic, Japan, & Australia Deviations : CB JPTUV-005419 IEC60950-1 : in processing E10-033-C UNIVERSAL MICROELECTRONICS CO.,LTD TEL:886-4-23590096 FAX:886-4-23590129 http://www.umec-web.com E-mail:[email protected] 3,27TH RD.,TAICHUNG INDUSTRIAL PARK, TAICHUNG,TAIWAN,R.O.C