oH V SC AV ER OM AI SIO PL LA N IA BL S NT E *R Features Applications ■ Surface mount packaging ■ Telecom ■ HIPOT 1500 VAC ■ Small design ■ Lead free version available (see How to Order) ■ Lead free versions are RoHS compliant* PT74263N - T1/CEPT/ISDN-PRI Transformer Electrical Specifications @ 25 °C Turns Ratio ±2 % (1-3):(6-5):(5-4) ......................1:1:0.266 Inductance (mH min.) (1-3) ................................................1.2 Leakage Inductance (µH max.) (1-3), Short (6-4) ............................0.51 Cww (pF max) (1-3) to (6-4) ......................................35 DCR (Ω max.) (1-3) ................................................0.6 DCR (Ω max.) (6-4) ................................................0.8 HIPOT (VAC) (1-3) to (6-4) ..................................1500 Return Loss (1-3) Input impedance (1-3) = 75 Ω Output impedance (6-4) = 120 Ω 51-102 kHz..........................12 dB min. 102-2046 kHz 18 dB min. 2048-3072 kHz....................14 dB min. Operating Temperature (°C) ........0 to +70 Packaging Specifications Tape and Reel......................500 pcs./reel Product Dimensions Electrical Schematic 1 7.10 MAX. (.280) 6 5 6 4 5 3 4 7.10 (.280) 10.15 MAX. (.400) How to Order PT74263N __ 1 2 3 Model 2.54 TYP. (.100) Termination Blank = Tin-lead L = Tin only (lead free) 6.34 MAX. (.250) 0.25 TYP. (.010) 1.52 (.060) 7.10 (.280) 0.89 - 1.14 (.035 - .045) 0.38 TYP. (.015) DIMENSIONS ARE: MM (INCHES) TOLERANCE: ± 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. 0.25 (.010)