, add a "T" suffix at the end of the part number when ordering, e.g. H1164T 3. Contact Pulse for RoHS compliant part availability 4. MSL=Moisture Sensitivity Level a=1 b=2 c=3 d=4 5. Add suffix NL for RoHS compliant parts, e.g. H1164 changes to H1164NL or H1164NLT (for Tape and Reel) Part 2 Number Differential to Common Mode Rejection (dB MIN) 1-60MHz 60-200MHz -40 -35 -40 -35 -37 -25 -37 -25 -43 -27 Hipot (Vrms MIN) 1500 1500 1500 1500 1500 Mechanicals H1140, H1164, HX1234, HX1240 H1141 .950 24,13 .040 40X 1,02 1.125 MAX 28,58 40X .020 0,51 19X .050 1,27 .475 12,07 .495 .660 12,57 16,76 .480 .630 12,19 16,00 .050 1,27 .950 24,13 .230 5,84 MAX 40X .045 .010 1,14 0,25 .004 / 0,10 40 SURFACES H1140, HX1240, HX1234 Weight . . . . . . . . . .4.8 grams Tape & Reel . . . . . . .250/reel Tube . . . . . . . . . . . . . .15/tube 40X.045 1,14 .010 0,25 .600 15,24 .625 15,88 .490 12,45 16X .030 .020 0,76 0,51 .050 .050 .350 7X = 1,27 1,27 8,89 16X .230 5,84 0 8 0 8 Date Code Country of Origin .050 1,27 .280

, add a "T" suffix at the end of the part number when ordering, e.g. H1164T 3. Contact Pulse for RoHS compliant part availability 4. MSL=Moisture Sensitivity Level a=1 b=2 c=3 d=4 5. Add suffix NL for RoHS compliant parts, e.g. H1164 changes to H1164NL or H1164NLT (for Tape and Reel) Part 2 Number Differential to Common Mode Rejection (dB MIN) 1-60MHz 60-200MHz -40 -35 -40 -35 -37 -25 -37 -25 -43 -27 Hipot (Vrms MIN) 1500 1500 1500 1500 1500 Mechanicals H1140, H1164, HX1234, HX1240 H1141 .950 24,13 .040 40X 1,02 1.125 MAX 28,58 40X .020 0,51 19X .050 1,27 .475 12,07 .495 .660 12,57 16,76 .480 .630 12,19 16,00 .050 1,27 .950 24,13 .230 5,84 MAX 40X .045 .010 1,14 0,25 .004 / 0,10 40 SURFACES H1140, HX1240, HX1234 Weight . . . . . . . . . .4.8 grams Tape & Reel . . . . . . .250/reel Tube . . . . . . . . . . . . . .15/tube 40X.045 1,14 .010 0,25 .600 15,24 .625 15,88 .490 12,45 16X .030 .020 0,76 0,51 .050 .050 .350 7X = 1,27 1,27 8,89 16X .230 5,84 0 8 0 8 Date Code Country of Origin .050 1,27 .280

MHz 60-200 MHz -1.0 -18 -14.4 -13.1 -12 -65 -45 -40 -33 -37 -25 1500 -1.4 -18 -14.4 -13.1 -12 -65 -45 -40 -33 -37 -25 1500 1. Operating Temperature -40C to +85 2. For Tape & Reel packaging, add "T" suffix to the end of the part number when ordering, (Ex. H1164NLT) 3. MSL = Moisture Sensitivity Level a=1 b=2 c=3 d=4 Mechanicals H1164NL, HX1234NL Weight .....................4.8 grams Tape & Reel ............... 250/reel Tube .............................15/tube USA 858 674 8100 Dimensions: Germany 49 7032 7806 0 1 Inches .010 Unless otherwise specified, all tolerances are mm 0,25 Singapore 65 6287 8998 pulseelectronics.com Shanghai 86 21 62787060 China 86 755 33966678 Taiwan 886 3 4356768 H328.J (10/13) 10/100Base-TX Transformer Modules For Auto MDI/MDIX Applications Schematic H1164NL, HX1234NL 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

MHz 60-200 MHz -1.0 -18 -14.4 -13.1 -12 -65 -45 -40 -33 -37 -25 1500 -1.4 -18 -14.4 -13.1 -12 -65 -45 -40 -33 -37 -25 1500 1. Operating Temperature -40C to +85 2. For Tape & Reel packaging, add "T" suffix to the end of the part number when ordering, (Ex. H1164NLT) 3. MSL = Moisture Sensitivity Level a=1 b=2 c=3 d=4 Mechanicals H1164NL, HX1234NL Weight .....................4.8 grams Tape & Reel ............... 250/reel Tube .............................15/tube USA 858 674 8100 Dimensions: Germany 49 7032 7806 0 1 Inches .010 Unless otherwise specified, all tolerances are mm 0,25 Singapore 65 6287 8998 Networking.PulseElectronics.com Shanghai 86 21 62787060 China 86 755 33966678 Taiwan 886 3 4356768 H328.J (02/19) 10/100Base-TX Transformer Modules For Auto MDI/MDIX Applications Schematic H1164NL, HX1234NL For More Information: Americas - prodinfonetworkamericas@pulseelectronics.com | Europe - comms-Apps-Europe@pulseelectronics.com | Asia - prodinfonetworkapac@pulseelectronics.com Performance warra

-18 -14.4 -13.1 -12 -65 -50 -40 -35 -1.0 -18 -14.4 -13.1 -12 -55 -45 -40 -33 -1.4 -18 -14.4 -13.1 -12 -55 -45 -40 -33 1. Operating Temperature -40C to +85 Cww 2. For Tape & Reel packaging, add a "T" suffix to the end of the part number when ordering, (Ex: H1164NLT) 3. MSL = Moisture Sensitivity Level a=1 b=2 c=3 d=4 H1140NL3c H1141NL3c H1164NL3d HX1234NL1, 3c 1-60 MHz -40 -40 -37 -37 60-200 MHz -35 -35 -25 -25 Hipot (Vrms MIN) 1500 1500 1500 1500 Mechanicals H1140NL, H1164NL, HX1234NL Weight . . . . . . . . . . 4.8 grams Tape & Reel . . . . . . . 250/reel Tube . . . . . . . . . . . . . . 15/tube Dimensions: H1141NL Inches mm Unless otherwise specified, all tolerances are .010 0,25 Weight . . . . . . . . . . . . 1 gram Tape & Reel . . . . . . . 350/reel Tube . . . . . . . . . . . . . . 35/tube USA 858 674 8100 * Germany 49 7032 7806 0 * Singapore 65 6287 8998 * Shanghai 86 21 32181071 * China 86 755 33966678 * Taiwan 886 3 4643715 www.pulseeng.com 1 H328.G (7/09) 10/100BASE-TX TRANSFORMER MODULES

35 -40 -35 1500 -18 -14.4 -13.1 -12 -65 -45 -40 -33 -37 -25 1500 -45 -40 -33 -37 -25 1500 -1.4 -18 -14.4 -13.1 -12 -65 C 1. Operating Temperature -40C to +85 ww 2. For Tape & Reel packaging, add "T" suffix to the end of the part number when ordering, (Ex. H1164NLT) 3. MSL = Moisture Sensitivity Level a=1 b=2 c=3 d=4 1-60 MHz 60-200 MHz Mechanicals H1164NL, HX1234NL H1141NL Weight .....................4.8 grams Tape & Reel ............... 250/reel Tube .............................15/tube USA 858 674 8100 Dimensions: Germany 49 7032 7806 0 1 Inches .010 Unless otherwise specified, all tolerances are mm 0,25 Singapore 65 6287 8998 pulseelectronics.com Shanghai 86 21 62787060 China 86 755 33966678 Weight .....................4.8 grams Tape & Reel ............... 250/reel Tube .............................15/tube Taiwan 886 3 4356768 H328.H (04/13) 10/100Base-TX Transformer Modules For Auto MDI/MDIX Applications Schematics H1141NL H1164NL, HX1234NL For More Information Pulse Worldwide Headquarters 12