This series is OBSOLETEAND not recommended for new designs. PL IA N T Features M ■ Designed to meet the CCITT 1.430 pulse *R oH S CO waveform template requirement ■ Low leakage inductance ■ 1.5 kVrms HIPOT PRI/SEC in conformance with international safety standards ■ Weight - 8 g ■ Operating temperature 0 °C to +70 °C ■ RoHS compliant* PT233 Series - ISDN S-Interface Isolation Transformers Electrical Specifications @ 25 °C Part Number Turns Ratio (±2 %) Primary Inductance (mH min.) Primary Leakage Inductance (µH max.) Pri DCR (Ω±15 %) Sec DCR (Ω±15 %) Package Schematic PT23301L 1:2 20 30 1.2 11.0 A PT23302L 1:2.5 22 20 2.8 6.5 A PT23303L 1:1.8 22 20 2.8 5.5 A PT23321L 1:2 20 15 3.0 4.5 B Product Dimensions A E T E L O S B O Electrical Schematic B A 2 15.3 MAX. (.602) 15.3 MAX. (.602) 0.7 TYP. (.027) 2.8 MIN. (.110) 16.0 MAX. (.629) 12.8 MAX. (.504) 0.7 (.027) B Sec Pri Sec 5 1 1 4 2 6 6 3 3 7 5 11.5 MAX. (.452) 20.0 MAX. (.787) 0.5 (.020) DIA. Pri 14.0 (.551) Package A............................. 55pcs./tray Package B ........................... 45 pcs./tray 22.9 MAX. (.901) 3.8 4 PLACES (.149) 2.8 MIN. (.110) DIMENSIONS: Packaging Specifications How To Order PT2330x or PT23321 L Model Termination L = Tin only (RoHS Compliant) MM (INCHES) 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.