oH V SC AV ER OM AI SIO PL LA N IA BL S NT E Features ■ Weight - 4 g ■ Designed for isolation between line card ■ Operating temperature 0 °C to +70 °C *R ■ ■ ■ ■ and terminal Meets CCITT 1.430 when chip pairs and transformers are used Low leakage inductance 2.0 kVrms HIPOT PRI/SEC 60 dB min. longitudinal balance 10 kHz to 300 kHz ■ Lead free version available (see How to Order) ■ Lead free versions are RoHS compliant* Applications ■ Telecom PT231 Series - ISDN S-Interface Isolation Transformers Electrical Specifications @ 25 °C Part Number Turns Ratio (±2 %) Primary Inductance (mH min.) Leakage Inductance (µH max.) Primary Pri/Sec Cw/w (pF max.) Pri DCR (Ω±15 %) Sec DCR (Ω±15 %) Package Schematic PT23101 1:1 28 5 130 2.4 2.4 A PT23102 1:1.8 28 10 120 2.4 4.5* B PT23103 1:2 28 10 120 2.5 4.8 A PT23104 1:2.5 28 12 125 2.5 5.5* B PT23105 1:2 28 35 120 2.5 4.5 A PT73455 1:1 28 5 130 2.4 2.4 C *SPLIT WINDINGS IN SERIES Product Dimensions Electrical Schematic 10.2 MAX. (.401) 14.0 MAX. (.551) 1 6 2 14.0 5 (.551) MAX. 3 4 10.2 (.401) 0.72 MAX. (.028) 0.6 DIA. (.023) A 1 10.2 (.401) 5.1 (.200) Pri Sec 6 2 5 3 4 3.0 MIN. (.118) DIMENSIONS ARE: 2.54 (.100) MM (INCHES) Packaging Specifications Tube ....................................36 pcs./tube 10.2 (.401) B 1 5.1 (.200) 10.2 (.401) Pri Sec 7 6 2 5 4 3 2.54 (.100) How to Order 10.2 (.401) C PT2310x or PT73455 __ 1 Pri Sec 6 Model Termination Blank = Tin-lead L = Tin only (lead free) 10.2 (.401) 3 03/04 *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. 4