PT731

oH V SC AV ER OM AI SIO PL LA N IA BL S NT E Features ■ Designed for isolation between line card ■ Low leakage inductance ■ Weight - 4 g ■ 60 dB min. longitudinal balance www.DataSheet4U.com *R and terminal ■ Meets the CCITT 1.430 when chip pairs and transformers are used ■ 4000 VAC HIPOT PRI/SEC in conformance with international safety standards 10 kHz to 300 kHz ■ Operating temperature 0 °C to +70 °C ■ Lead free version available (see How to Order) ■ Lead free versions are RoHS compliant* PT731 Series - ISDN S Interface Isolation Transformer Electrical Specifications @ 25 °C Primary Leakage Inductance (µH max.) 12 12 Part Number PT73173 PT73434 Turns Ratio (±2 %) 1:1 1:25 Primary Inductance (mH min.) 28 28 Pri/Sec Cw/w (pf max.) 120 60 Pri DCR (Ω±15 %) 2.4 3.0 Sec DCR (Ω±15 %) 2.4 15.0* Schematic A B *Split windings in series Packaging Specifications PT73173 ..............................50 pcs./tray, 500 pcs./carton PT73434 ..............................38 pcs./tube Product Dimensions Electrical Schematic A 1 Pri Sec 6 13.2 MAX. (.519) 2 5 3 B 0.6 DIA. (.023) 4.0 MIN. (.157) 1 Pri Sec 4 7 6 5 4 2 3 4 5 6 DIMENSIONS ARE: MM (INCHES) A 14.0 MAX. (.551) 5.1 4 (.201) PLCS. 11.4 (.448) How to Order PT73xxx __ Model Termination Blank = Tin-lead L = Tin only (lead free) 1 2 14.2 MAX. (.559) 3 4 5 6 7 B 14.0 MAX. (.551) 2.54 5.1 2.54 (.100) (.200) (.100) 5.1 2 (.200) PLCS. 11.4 (.448) 1 2 14.2 MAX. (.559) 3 03/05 *RoHS Directive 2002...