10/100Base-TX Single Port Transformers Modules With Various Transmit Turns Ratios RoHS peak reflow temperature rating 245°C Meets IEEE 802.3 specification Designed for use with transceivers for AMD & Micrel Electrical Specifications @ 25°C - Operating Temperature 0°C to 70°C Turns Ratio (±5%) Part Number 2 H1081NL 1c Insertion Loss (dB MAX) Return Loss (dB MIN) Crosstalk (dB MIN) Hipot (Vrms MIN) TX RX 100 kHz-100 MHz 30 MHz 60 MHz 80 MHz 30 MHz 60 MHz 100 MHz 1:1.141 1:1 -2.0 -18 -12 -11 -45 -38 -34 1500 1. MSL = Moisture Sensitivity Level: a = 1, b = 2, c = 3, d = 4, e = 5 2. When ordering Tape and Reel packaging, add the suffix âTâ to the end of the parts number. For example, H1081NLT. Mechanical H1081NL H1081NL Dimensions: Inches mm Weight ...................... 1.6 grams Tube ..............................20/tube Tape and Reel ..............350/reel Unless otherwise specified, all tolerances are ± .010 0,25 USA 858 674 8100 Germany 49 7032 7806 0 1 Singapore 65 6287 8998 pulseelectronics.com Shanghai 86 21 62787060 China 86 755 33966678 Taiwan 886 3 4356768 H314.L (10/13) 10/100Base-TX Single Port Transformer Modules With Various Transmit Turns Ratios Schematic H1081NL Tape & Reel Specifications 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, 2011. Pulse Electronics, Inc. All rights reserved. 2 pulseelectronics.com H314.L (10/13)