10/100Base-TX Dual Port Transformer Modules For Use with Transceivers Requiring 1:1 Transmit and Receiving Turns Ratios RoHS reflow temperature rating 245°C Meets IEEE 802.3 specification Some models offer AutoMDIX capability Electrical Specifications @ 25°C - Operating Temperature 0°C to +70°C Return Loss (dB TYP) Insertion Loss (dB TYP) Part Number 1 Differential to Common Mode Rejection (dB MIN) Crosstalk (dB TYP) HiPot (Vrms MIN) 0.1-100 MHz 2-30 MHz 40 MHz 50 MHz 60-80 MHz 1 MHz 30 MHz 60 MHz 100 MHz 2d -0.5 -21 -17 -14.5 -12 -65 -55 -45 -35 -45 -35 1500 2d -1.0 -16 -14.4 -13 -12 -50 -45 -40 -35 -37 -35 1500 H1028NL H1200NL 1. When ordering Tape and Reel packaging, add suffix âTâ to the end of the part number, for example, H1028NLT. 2. MSL = Moisture Sensitivity Level a=1, b=2, c=3, d=4 1-60 MHz 60-200 MHz 3. Suitable for AutoMDIX applications Mechanical H1028NL Dimensions: Inches Unless otherwise specified, all tolerances are mm USA 858 674 8100 Germany 49 7032 7806 0 1 Singapore 65 6287 8998 pulseelectronics.com Shanghai 86 21 62787060 ± .010 0,25 China 86 755 33966678 Taiwan 886 3 4356768 H322.O (10/13) 10/100Base-TX Dual Port Transformer Modules For Use with Transceivers Requiring 1:1 Transmit and Receiving Turns Ratios 1:1 1:1 TD2+ 19 18 16 TCT2 17 RD2- 15 RD2+ 14 13 RCT2 12 11 10 9 TD1- 8 6 7 TD1+ 5 3 RCT1 4 1 2 RD1- TD2- 20 1:1 1:1 RD1+ 21 TX2- 22 TX2+ 23 24 CMT2 25 26 RX2- 27 RX2+ 29 CT2 28 30 31 32 CMT1 34 TX1- 33 35 TX1+ 37 CT1 36 38 40 RX1+ H1028NL 39 RX1- Schematics H1028 does not have the additional choke. H1200NL 2 pulseelectronics.com H322.O (10/13) 10/100Base-TX Dual Port Transformer Modules For Use with Transceivers Requiring 1:1 Transmit and Receiving Turns Ratios Tape & Reel Specifications H1XXXNL Weight ........4.0 grams TYP Tape & Reel .........250/reel Tube .......................15/tube For More Information Pulse Worldwide Headquarters 12220 World Trade Drive San Diego, CA 92128 U.S.A. Pulse Europe Einsteinstrasse 1 D-71083 Herrenberg Germany Tel: 858 674 8100 Tel: 49 7032 7806 Pulse China Headquarters B402, Shenzhen Academy of Aerospace Technology Bldg. 10th Kejinan Road High-Tech Zone Nanshan District Shenzen, PR China 518057 Pulse North China Room 2704/2705 Super Ocean Finance Ctr. 2067 Yan An Road West Shanghai 200336 China Pulse South Asia 135 Joo Seng Road #03-02 PM Industrial Bldg. Singapore 368363 Tel: 65 6287 8998 Fax: 65 6287 8998 Pulse North Asia 3F, No. 198 Zhongyuan Road Zhongli City Taoyuan County 320 Taiwan R. O. C. Tel: 886 3 4356768 Fax: 886 3 4356823 (Pulse) 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. © Copyright, 2013. Pulse Electronics, Inc. All rights reserved. 3 pulseelectronics.com H322.O (10/13)