PT74344

www.DataSheet4U.com oH V SC AV ER OM AI SIO PL LA N IA BL S NT E Features ■ Compact surface mount packaging ■ Contains both transmit and receive Applications ■ Telecom *R transformer in a single package ■ Isolation voltage: 1500 Vrms ■ Lead free version available (see How to Order) ■ Lead free versions are RoHS compliant* PT74344 - T1/CEPT/ISDN-PRI Transformer Electrical Specifications @ 25 °C Turns Ratio ±5 % ............................1:1.15CT & 1CT:2CT Primary Inductance (mH min.) ..........................................1.20 & 1.20 Primary Leakage Inductance (µH max.) ..........................................0.60 & 0.60 Cww (pF max.) ............................30 & 30 Pri DCR (Ω max.) ....................0.70 & 0.70 Sec DCR (Ω max.) ..................0.70 & 1.00 Primary Pins ............................16-14, 6-8 Operating Temperature (°C) ........0 to +70 *CT : center tap Packaging Specifications Tape and Reel* ....................700 pcs./reel *“E” suffix in part number designates tape & reel packaging, e.g. PT74344E. 1.02 TYP. (.040) Product Dimensions Electrical Schematic 1 16 PT74344 (DATE) 0.46 TYP. (.018) 12.83 MAX. (.505) 6.22 MAX. (.245) 1.27 (.050) 0.38 TYP. (.015) 2 3 6 14 11 7 10 8 9 8.89 (.350) 7.1 MAX. (.280) How to Order PT74344E __ Model Coplanarity: (.004) 9.15 ± 0.25 (.360 ± .010) 8.89 (.350) 1.27 (.050) 1.91 (.075) .102 Termination Blank = Tin-lead L = Tin only (lead free) 8.38 (.330) 16X 0.71 TYP. (.028) Recommended PAD l...