oH V SC AV ER OM AI SIO PL LA N IA BL S NT E *R Features ■ Weight - 8 g ■ Meets the CCITT 1.430 ISDN S interface ■ Operating temperature 0 °C to +70 °C specifications ■ 1.5 kVrms HIPOT PRI/SEC in conformance with international safety standards ■ Low leakage inductance ■ 60 dB min. longitudinal balance 10 kHz to 100 kHz ■ Lead free version available (see How to Order) ■ Lead free versions are RoHS compliant* Applications ■ Telecom PT234 Series - ISDN S-Interface Isolation Transformers Electrical Specifications @ 25 °C Part Number Turns Ratio (±2 %) Primary Inductance (mH min.) Primary Leakage Inductance (µH max.) Cw/w (pF max.) Pri DCR (Ω±15 %) Sec DCR (Ω±15 %) PT23401 1:1 25 13 50 1.1 1.3 PT23402 1:1.8 23 13 50 1.1 1.8 PT23403 1:2 23 13 50 1.1 2.6 PT23404 1:2.5 23 13 50 1.1 4.2 Product Dimensions Electrical Schematic 15.5 MAX. (.610) 16.0 MAX. (.629) 3.5 (.137) 3 2 1 1 14.0 MAX. (.551) 5.3 (.208) 0.4 TYP. (.015) 7.6 (.299) 1.0 TYP. (.039) 3.8 (.149) 5 Sec 4 2 5 3 6 4 11.4 (.448) 15 (.590) LEADS DIMENSIONS ARE: 6 Pri 0.6 DIA. (.023) Packaging Specifications Tray ........................................50pcs./tray, 500 pcs./carton MM (INCHES) How to Order TOLERANCE: ± 0.25 (.010) PT234xx __ Model Termination Blank = Tin-lead L = Tin only (lead free) 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.