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 Differential to Common Insertion Loss Return Loss Crosstalk HiPot Mode Rejection Part (dB TYP) (dB TYP) (dB TYP) (Vrms MIN) (dB MIN) 1 Number 0.1-100 MHz 2-30 MHz 40 MHz 50 MHz 60-80 MHz 1 MHz 30 MHz 60 MHz 100 MHz 1-60 MHz 60-200 MHz 2d H1028NL -0.5 -21 -17 -14.5 -12 -65 -55 -45 -35 -45 -35 1500 2d H1200NL -1.0 -16 -14.4 -13 -12 -50 -45 -40 -35 -37 -35 1500 1. When ordering Tape and Reel packaging, add suffix “T” to the end 3. Suitable for AutoMDIX applications of the part number, for example, H1028NLT. 2. MSL = Moisture Sensitivity Level a=1, b=2, c=3, d=4 Mechanical H1028NL ± .010 Inches Dimensions: Unless otherwise specified, all tolerances are 0,25 mm USA 858 674 8100 Germany 49 7032 7806 0 Singapore 65 6287 8998 Shanghai 86 21 62787060 China 86 755 33966678 Taiwan 886 3 4356768 1 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 Schematics H1028NL 1:1 1:1 1:1 1:1 H1028 does not have the additional choke. H1200NL 2 pulseelectronics.com H322.O (10/13) RD1+ 1 40 RX1+ RD1- 2 39 RX1- 3 38 RCT1 4 37 CT1 5 36 6 TX1+ TD1+ 35 TD1- 7 34 TX1- 8 33 CMT1 9 32 10 31 11 30 12 29 CT2 RCT2 13 28 RD2+ 14 27 RX2+ RX2- RD2- 15 26 16 25 TCT2 17 24 CMT2 18 23 TD2+ 19 22 TX2+ TD2- 21 20 TX2- 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 Pulse Europe Pulse China Headquarters Pulse North China Pulse South Asia Pulse North Asia Headquarters Einsteinstrasse 1 B402, Shenzhen Academy of Room 2704/2705 135 Joo Seng Road 3F, No. 198 12220 World Trade Drive D-71083 Herren- Aerospace Technol- Super Ocean Finance #03-02 Zhongyuan Road San Diego, CA berg ogy Bldg. Ctr. PM Industrial Bldg. Zhongli City 92128 Germany 10th Kejinan Road 2067 Yan An Road Singapore 368363 Taoyuan County 320 U.S.A. High-Tech Zone West Taiwan R. O. C. Nanshan District Shanghai 200336 Tel: 886 3 4356768 Shenzen, PR China China Tel: 65 6287 8998 Fax: 886 3 4356823 Tel: 858 674 8100 Tel: 49 7032 7806 518057 Fax: 65 6287 8998 (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)