T1/E1/CEPT/ISDN-PRI TRANSFORMER Quad Port SMT Transformer/Choke Modules, 1500 Vrms, Extended Temperature Range RoHS peak reflow temperature rating: 245°C Optimized for enhanced EMC performance Quad-port SMT package contains Transformers with optional Common Mode Chokes on both transmit and receive channels Extended temperature range Isolation Voltage: 1500 Vrms Electrical Specifications @ 25°C — Operating Temperature -40°C to +85°C RoPHaSr tC Noummpbliaenrt (P Trui:rSnesc R ±a2t%io) LinOeC SLide Cw/w Primary Pins (pF MAX) w/CMC wo/CMC TX RX (mH MIN) TX RX TX1263NL TX1262NL 1:2 1:2 1.2 35 1-2, 6-7, 11-12, 16-17 3-4, 8-9, 13-14, 18-19 TX1267NL TX1266NL 1:2 1:1 1.2 35 1-3, 6-8, 11-13, 16-18 4-5, 9-10, 14-15, 19-20 NOTES: 1. Other Transformer/Choke modules available. Please contact Pulse Applications Engineering. Please refer to data sheet T622 for a list of additional Octal Transformers without Common Mode Chokes. 2. RoHS compliant parts have an “NL” suffix at the end of the part number, TX1267NL. 3. To order Tape & Reel packaging add a “T” suffix to the part number (i.e. TX1263NL becomes TX1263NLT). Mechanical Schematic TX1263NL / 1267NL TX1263NL TX1267NL Weight.................5.0 grams Dimensions: Inches Tape & Reel ...........250/reel mm .010 Tube .......................15/tube Unless otherwise specified, all tolerances are ± 0,25 USA 858 674 8100  Germany 49 7032 7806 0  Singapore 65 6287 8998  Shanghai86 21 62787060  China 86 755 33966678  Taiwan 886 3 4356768 www.pulseelectronics.com 1 T682.F (1/11)

T1/E1/CEPT/ISDN-PRI TRANSFORMER Quad Port SMT Transformer/Choke Modules, 1500 Vrms, Extended Temperature Range Mechanical Schematics TX1262NL, TX1266NL TX1262NL TX1266NL Weight.................4.0 grams Dimensions: Inches mm Tape & Reel ...........250/reel Unless otherwise specified, all tolerances are ± .010 Tube ........................15/tube 0,25 For More Information: Pulse Pulse European Pulse China Pulse North China Pulse South Asia Pulse North Asia North American Headquarters Headquarters Room 1503 150 Kampong Ampat No. 26 Headquarters Einsteinstrasse 1 B402, Shenzhen Academy of XinYin Building #07-01/02 Kao Ching Rd. 12220 World Trade Dr. D-71083 Herrenberg Aerospace Technology Bldg. No. 888 YiShan Rd. KA Centre Yang Mei Chen San Diego, CA 92128 Germany 10th Kejinan Rd. Shanghai 200233 Singapore 368324 Taoyuan Hsien U.S.A. High-Tech Zone China Taiwan, R. O. C. Nanshan District 32667 Shenzen, PR China 518057 TEL: 858 674 8100 TEL: 49 7032 7806 0 TEL: 86 755 33966678 TEL: 86 21 32181071 TEL: 65 6287 8998 TEL: 886 3 4643715 FAX: 858 674 8262 FAX: 49 7032 7806 12 FAX: 86 755 33966700 FAX: 86 21 32181396 FAX: 65 6280 0080 FAX: 886 3 4641911 Performance warranty of products offered on this data sheet is limited to the parameters specified. Data is subject to change without notice. Other brand and product names mentioned herein may be trademarks or registered trademarks of their respective owners. Pulse and the Squarewave logo are trademarks of Pulse Electronics Corporation, registered in the U.S. and other countries. © Copyright, 2011. Pulse Electronics Corporation. All rights reserved. www.pulseelectronics.com 2 T682.F (1/11)

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