oH V SC AV ER OM AI SIO PL LA N IA BL S NT E *R Features ■ Longitudinal balance from 10 KHz to ■ Low profile 16 pin SMD package 300 KHz: 60 dB min. ■ Meets the CCITT 1.430 waveform ■ Lead free version available (see How to template when chip pairs and recommended transformer are used ■ 2 KVrms HIPOT ■ Weight: 7.2 g Order) ■ Lead free versions are RoHS compliant* PT73031 - SMD - ISDN S Interface Transformer Electrical Specifications @ 25 °C Turns Ratio ±2 % A ......................................................1:2 B ......................................................1:2 OCL PRI (mH min.) A & B ................................................22 LL SEC (µH max.) A ......................................................15 B ......................................................15 Cww (pF max) A & B ..............................................100 Pri DCR (Ω ±15 %) A ......................................................2.5 B ......................................................2.5 Sec DCR (Ω ±15 %) A ......................................................4.0 B ......................................................4.0 Environmental Characteristics Operating Temperature (°C) ........0 to +85 Storage Temperature (°C) ......-55 to +125 Flammability ..............................UL94V-0 Solder Method ....IR Reflow 230 °C max. 10 seconds Product Dimensions Electrical Schematic 21.00 MAX. (0.827) 16 15 14 13 12 2 4 5 11 10 9 6 8 SEC 12.20 (0.480) MAX. 14.80 (0.583) PRI 0.65 TYP. (0.025) 16 PLACES 2.54 (0.100) 14 PLACES 1 3 COIL A 7 COIL B Typical Part Marking 8.00 (0.315) MAX. 0.13 (0.005) MAX. PRODUCT IDENTIFICATION MARKING Packaging Specifications Tube ....................................24 pcs./tube PT73031 YYWW TYP. DATE CODE (YEAR & WEEK) 0.50 (0.019) How to Order DIMENSIONS ARE: MM (INCHES) PT73031 __ Model Termination Blank = Tin-lead L = Tin only (lead free) TOLERANCE: ± 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. 0.25 (.010)