This series is OBSOLETEAND not recommended for new designs. PL IA N T Features M ■ Low profile 16 pin SMD package *R oH S CO ■ Meets the CCITT 1.430 waveform template when chip pairs and recommended transformer are used ■ 2 KVrms HIPOT ■ Weight: 7.2 g ■ Longitudinal balance from 10 KHz to 300 KHz: 60 dB min ■ RoHS compliant* PT73031L - 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 16 15 14 13 12 Product Dimensions 11 10 21.00 MAX. (0.827) 9 SEC 12.20 (0.480) MAX. 14.80 (0.583) PRI E T E L O S B O 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 Packaging Specifications Electrical Schematic 1 2 3 4 5 COIL A 6 7 8 0.65 TYP. (0.025) 16 PLACES 2.54 (0.100) 14 PLACES COIL B 8.00 (0.315) MAX. 0.13 (0.005) MAX. Typical Part Marking PRODUCT IDENTIFICATION MARKING PT73031L YYWW TYP. Tray .................................... 24 pcs./tube 0.50 (0.019) DATE CODE (YEAR & WEEK) How To Order PT73031 L DIMENSIONS: MM (INCHES) Model Termination L = Tin only (RoHS Compliant) TOLERANCES: ± REV. 05/13 *RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. Specifications are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications. 0.25 (.010)