Audio Transformers / Signal Transformers

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LAN Discrete Transformer Modules

Pulse Electronics LAN Discrete Transformer Modules are optimized for all major LAN transceivers. These modules provide electrical circuit isolation that meets IEEE 802.3 standards while maintaining the signal integrity needed for the most demanding applications. Pulse Electronics LAN Discrete Transformer Modules feature a peak reflow temperature rating of +245°C. Other features include 1kHz to 100MHz frequency range, 1Ω impedance, 350µH inductance, and 1.5kV isolation voltage.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	Product	Type	Termination Style	Frequency Range	Inductance	Primary Impedance	Secondary Impedance	Isolation Voltage	Minimum Operating Temperature	Maximum Operating Temperature	Number of Channels	Package/Case	Length	Width	Height	Series	Packaging
Audio Transformers / Signal Transformers 100Base-TX SMD PoE 350uH .65Ohms 2-Port H2009NL Pulse Electronics 1: 8,45 € 233In Stock	Mfr. Part No. H2009NL Mouser Part No 673-H2009NL	Pulse Electronics	Audio Transformers / Signal Transformers 100Base-TX SMD PoE 350uH .65Ohms 2-Port Learn More about Pulse Electronics pulselantrans	Datasheet	233In Stock	8,45 € 7,63 € 7,26 € 6,99 € View 5,56 € 5,46 € Quote	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	1 MHz to 100 MHz	350 uH			1.5 kV	0 C	+ 70 C	Dual		15.11 mm	13.16 mm	6.12 mm	H2009	Tube
Audio Transformers / Signal Transformers 10/100Base-T SMD 1-Port HX1178NL Pulse Electronics 1: 7,20 € 357In Stock	Mfr. Part No. HX1178NL Mouser Part No 673-HX1178NL	Pulse Electronics	Audio Transformers / Signal Transformers 10/100Base-T SMD 1-Port Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	357In Stock	7,20 € 6,30 € 5,81 € 5,36 € View 5,06 € 4,81 € 4,79 € 4,71 € 4,69 €	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	100 kHz to 100 MHz	350 uH			1.5 kV	- 40 C	+ 85 C	Single		25.4 mm	12.83 mm	6.22 mm		Tube
Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH 1-port HX5004ENL Pulse Electronics 1: 6,50 € 1.366In Stock	Mfr. Part No. HX5004ENL Mouser Part No 673-HX5004ENL	Pulse Electronics	Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH 1-port Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	1.366In Stock	6,50 € 5,58 € 5,36 € 5,23 € View 4,89 € 4,13 € 4,12 € 4,07 €	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	1 MHz to 100 MHz	350 uH			1.5 kV	- 40 C	+ 85 C	Single		17.5 mm	12.2 mm	5.72 mm	1000Base-T	Tube
Audio Transformers / Signal Transformers 10/100Base-TX SMD Non-PoE 1-Port H1081NL Pulse Electronics 1: 6,70 € 189In Stock	Mfr. Part No. H1081NL Mouser Part No 673-H1081NL	Pulse Electronics	Audio Transformers / Signal Transformers 10/100Base-TX SMD Non-PoE 1-Port Learn More about Pulse Electronics pulselantrans	Datasheet	189In Stock	6,70 € 5,96 € 5,68 € 5,56 € View 5,42 € 5,15 € 4,22 € 4,12 € 4,10 €	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	100 kHz to 100 MHz	350 uH			1.5 kV	0 C	+ 70 C	Single		17.78 mm	13.72 mm	5.84 mm		Tube
Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH .65Ohms 1-Por H1102NL Pulse Electronics 1: 4,75 € 9.224In Stock	Mfr. Part No. H1102NL Mouser Part No 673-H1102NL	Pulse Electronics	Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH .65Ohms 1-Por Learn More about Pulse Electronics pulselantrans	Datasheet	9.224In Stock	4,75 € 4,03 € 3,45 € 3,36 € View 3,30 € 3,12 €	Min.: 1 Mult.: 1 Max.: 320	LAN Transformers	Module	SMD/SMT	100 kHz to 100 MHz	350 uH			1.5 kV	0 C	+ 70 C	Single		12.7 mm	9.53 mm	6.09 mm		Tube
Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH .65Ohms 1-Por H1102NLT Pulse Electronics 1: 3,28 € 21.303In Stock 1.200Expected 5/10/2027	Mfr. Part No. H1102NLT Mouser Part No 673-H1102NLT	Pulse Electronics	Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH .65Ohms 1-Por Learn More about Pulse Electronics pulselantrans	Datasheet	21.303In Stock 1.200Expected 5/10/2027	Cut Tape 3,28 € 2,97 € 2,76 € 2,52 € Reel 2,52 € View 2,40 € 2,34 € MouseReel Available	Min.: 1 Mult.: 1 Max.: 4.800 : 600	LAN Transformers	Module	SMD/SMT	100 kHz to 100 MHz	350 uH			1.5 kV	0 C	+ 70 C	Single		12.7 mm	9.53 mm	6.09 mm		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 1-Por H5007NL Pulse Electronics 1: 7,27 € 3.460In Stock	Mfr. Part No. H5007NL Mouser Part No 673-H5007NL	Pulse Electronics	Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 1-Por Learn More about Pulse Electronics pulselantrans	Datasheet	3.460In Stock	7,27 € 6,54 € 5,35 € 5,24 € 5,16 €	Min.: 1 Mult.: 1 Max.: 200	LAN Transformers	Module	SMD/SMT	1 MHz to 100 MHz	350 uH			1.5 kV	0 C	+ 70 C	Single		17.53 mm	12.2 mm	5.51 mm	H5007	Tube
Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 1-Por H5007NLT Pulse Electronics 1: 7,37 € 7.608In Stock	Mfr. Part No. H5007NLT Mouser Part No 673-H5007NLT	Pulse Electronics	Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 1-Por Learn More about Pulse Electronics pulselantrans	Datasheet	7.608In Stock	Cut Tape 7,37 € 6,65 € 6,37 € 6,09 € Reel 5,33 € View 5,90 € 4,97 € MouseReel Available	Min.: 1 Mult.: 1 Max.: 2.400 : 300	LAN Transformers	Module	SMD/SMT	1 MHz to 100 MHz	350 uH			1.5 kV	0 C	+ 70 C	Single		17.53 mm	16 mm	5.51 mm	H5007	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 1-Por HX5004NLT Pulse Electronics 1: 8,79 € 5.087In Stock	Mfr. Part No. HX5004NLT Mouser Part No 673-HX5004NLT	Pulse Electronics	Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 1-Por Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	5.087In Stock	Cut Tape 8,79 € 7,81 € 7,43 € 7,07 € Reel 6,47 € View 6,86 € 6,23 € Quote MouseReel Available	Min.: 1 Mult.: 1 Max.: 2.400 : 300	LAN Transformers	Module	SMD/SMT	1 MHz to 100 MHz	350 uH			1.5 kV	- 40 C	+ 85 C	Single		17.53 mm	16 mm	5.51 mm	HX5004	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1000BaseT SMD PoE 325uH 1-Port HX5008NL Pulse Electronics 1: 10,83 € 5.903In Stock	Mfr. Part No. HX5008NL Mouser Part No 673-HX5008NL	Pulse Electronics	Audio Transformers / Signal Transformers 1000BaseT SMD PoE 325uH 1-Port Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	5.903In Stock	10,83 € 9,90 € 8,35 € 8,13 € View 8,04 € 7,93 €	Min.: 1 Mult.: 1 Max.: 280	LAN Transformers	Module	SMD/SMT	1 MHz to 100 MHz	350 uH			1.5 kV	- 40 C	+ 85 C	Single		13.64 mm	13.64 mm	5.72 mm	HX	Tube
Audio Transformers / Signal Transformers 1000Base-T NonPoE 350uH .65Ohms 1-Port HX5120NL Pulse Electronics 1: 17,07 € 4.118In Stock	Mfr. Part No. HX5120NL Mouser Part No 673-HX5120NL	Pulse Electronics	Audio Transformers / Signal Transformers 1000Base-T NonPoE 350uH .65Ohms 1-Port Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	4.118In Stock	17,07 € 15,53 € 14,44 € 14,13 € View 13,95 € 13,47 € 13,09 €	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	100 MHz	350 uH			1.5 kV	- 40 C	+ 85 C	Single		16.51 mm	9.14 mm	2.08 mm	1000Base-T	Tube
Audio Transformers / Signal Transformers 10/100BaseT SMD NPoE 1-Port H1012NL Pulse Electronics 1: 5,37 € 749In Stock	Mfr. Part No. H1012NL Mouser Part No 673-H1012NL	Pulse Electronics	Audio Transformers / Signal Transformers 10/100BaseT SMD NPoE 1-Port Learn More about Pulse Electronics pulselantrans	Datasheet	749In Stock	5,37 € 4,71 € 4,56 € 4,41 € View 4,26 € 4,03 € 3,98 € 3,77 € 3,75 €	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	1 MHz to 100 MHz	350 uH			1.5 kV	0 C	+ 70 C	Single		17.78 mm	12.95 mm	9.4 mm		Tube
Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH .65Ohms 4-Por H1164NL Pulse Electronics 1: 11,93 € 507In Stock	Mfr. Part No. H1164NL Mouser Part No 673-H1164NL	Pulse Electronics	Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH .65Ohms 4-Por Learn More about Pulse Electronics pulselantrans	Datasheet	507In Stock	11,93 € 9,41 € 9,08 € 8,72 € View 8,57 € 8,37 € 7,93 € Quote	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	1 kHz to 100 MHz	350 uH	1 Ohms	1 Ohms	1.5 kV	0 C	+ 70 C	Quad	28.58 mm x 116 mm x 5.84 mm	28.58 mm	12.19 mm	5.84 mm		Tube
Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH .65Ohms 4-Por H1164NLT Pulse Electronics 1: 11,04 € 757In Stock	Mfr. Part No. H1164NLT Mouser Part No 673-H1164NLT	Pulse Electronics	Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH .65Ohms 4-Por Learn More about Pulse Electronics pulselantrans	Datasheet	757In Stock	Cut Tape 11,04 € 10,03 € 9,59 € 9,30 € Reel 8,73 € View 9,10 € 8,43 € 8,39 € Quote MouseReel Available	Min.: 1 Mult.: 1 : 250	LAN Transformers	Module	SMD/SMT	1 kHz to 100 MHz	350 uH			1.5 kV	0 C	+ 70 C	Quad		28.58 mm	16 mm	5.84 mm		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 1-Por H5008NLT Pulse Electronics 1: 6,62 € 353In Stock	Mfr. Part No. H5008NLT Mouser Part No 673-H5008NLT	Pulse Electronics	Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 1-Por Learn More about Pulse Electronics pulselantrans	Datasheet	353In Stock	Cut Tape 6,62 € 5,99 € 5,74 € 5,56 € Reel 5,09 € View 5,39 € 4,92 € 4,40 € 4,37 € MouseReel Available	Min.: 1 Mult.: 1 : 350	LAN Transformers	Module	SMD/SMT	1 MHz to 100 MHz	350 uH			1.5 kV	0 C	+ 70 C	Single		13.64 mm	13.64 mm	5.72 mm	5008	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH 1-Port H5084NLT Pulse Electronics 1: 5,07 € 440In Stock	Mfr. Part No. H5084NLT Mouser Part No 673-H5084NLT	Pulse Electronics	Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH 1-Port Learn More about Pulse Electronics pulselantrans	Datasheet	440In Stock	Cut Tape 5,07 € 4,51 € 4,33 € 4,20 € View Reel 3,45 € 3,74 € 3,59 € 3,45 € MouseReel Available	Min.: 1 Mult.: 1 : 700	LAN Transformers	Module	SMD/SMT	1 MHz to 100 MHz	350 uH	1 Ohms	1 Ohms	1.5 kV	0 C	+ 70 C	Single		15.11 mm	10.77 mm	4.01 mm		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 100BaseTX 350uH 1Port IsolVolt 1.5kV HX1098NL Pulse Electronics 1: 4,27 € 2.038In Stock	Mfr. Part No. HX1098NL Mouser Part No 673-HX1098NL	Pulse Electronics	Audio Transformers / Signal Transformers 100BaseTX 350uH 1Port IsolVolt 1.5kV Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	2.038In Stock	4,27 € 3,86 € 3,41 € 3,37 € View 3,31 € 3,22 € 3,11 € 2,69 €	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT		350 uH			1.5 kV	- 40 C	+ 85 C	Single		12.7 mm	9.65 mm	4.01 mm	100Base-TX	Tube
Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH 1-Port HX1198NLT Pulse Electronics 1: 3,35 € 981In Stock 3.000Expected 12/4/2026	Mfr. Part No. HX1198NLT Mouser Part No 673-HX1198NLT	Pulse Electronics	Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH 1-Port Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	981In Stock 3.000Expected 12/4/2026	Cut Tape 3,35 € 3,02 € 2,81 € 2,72 € Reel 2,47 € View 2,58 € 2,39 € 2,33 € 2,27 € MouseReel Available	Min.: 1 Mult.: 1 : 600	LAN Transformers	Module	SMD/SMT	100 kHz to 100 MHz	350 uH			1.5 kV	- 40 C	+ 85 C	Single		12.7 mm	9.53 mm	5.97 mm	HX	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 4-Port HX1234NL Pulse Electronics 1: 12,05 € 554In Stock	Mfr. Part No. HX1234NL Mouser Part No 673-HX1234NL	Pulse Electronics	Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 4-Port Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	554In Stock	12,05 € 10,42 € 9,61 € 9,20 € 8,35 €	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	100 kHz to 100 MHz	350 uH			1.5 kV	- 40 C	+ 85 C	Quad		28.58 mm	16 mm	5.84 mm	HX	Tube
Audio Transformers / Signal Transformers 100Base-TX SMD PoE 350uH .75Ohms 1-Port HX2019NLT Pulse Electronics 1: 3,93 € 2.906In Stock	Mfr. Part No. HX2019NLT Mouser Part No 673-HX2019NLT	Pulse Electronics	Audio Transformers / Signal Transformers 100Base-TX SMD PoE 350uH .75Ohms 1-Port Learn More about Pulse Electronics pulse poe solutions	Datasheet	2.906In Stock	Cut Tape 3,93 € 3,56 € 3,31 € 3,21 € Reel 2,96 € View 3,08 € 2,93 € 2,83 € Quote MouseReel Available	Min.: 1 Mult.: 1 : 600	LAN Transformers	Module	SMD/SMT	1 MHz to 100 MHz	350 uH			1.5 kV	- 40 C	+ 85 C	Single		12.7 mm	9.4 mm	5.97 mm	HX	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 100Base-TX SMD PoE+ 350uH .75Ohms 1-Port HX2326NL Pulse Electronics 1: 4,10 € 715In Stock	Mfr. Part No. HX2326NL Mouser Part No 673-HX2326NL	Pulse Electronics	Audio Transformers / Signal Transformers 100Base-TX SMD PoE+ 350uH .75Ohms 1-Port Learn More about Pulse Electronics pulse poe solutions	Datasheet	715In Stock	4,10 € 3,71 € 3,38 € 3,31 € View 3,19 € 3,10 € 3,00 € 2,97 € Quote	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	1 MHz to 125 MHz	350 uH			1.5 kV	- 40 C	+ 85 C	Single		12.7 mm	9.09 mm	5.99 mm	HX2326	Tube
Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 1-Por HX5004NL Pulse Electronics 1: 11,33 € 506In Stock 900Expected 12/2/2026	Mfr. Part No. HX5004NL Mouser Part No 673-HX5004NL	Pulse Electronics	Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 1-Por Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	506In Stock 900Expected 12/2/2026	11,33 € 10,27 € 9,55 € 9,34 € View 9,31 € 9,00 € 8,72 € Quote	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	1 MHz to 100 MHz	350 uH			1.5 kV	- 40 C	+ 85 C	Single		17.53 mm	16 mm	5.51 mm	HX	Tube
Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 2-Por HX5014NL Pulse Electronics 1: 15,40 € 132In Stock	Mfr. Part No. HX5014NL Mouser Part No 673-HX5014NL	Pulse Electronics	Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 2-Por Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	132In Stock	15,40 € 13,23 € 12,76 € 12,38 € View 11,85 € 11,23 €	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	1 MHz to 125 MHz	350 uH	1 Ohms	1 Ohms	1.5 kV	- 40 C	+ 85 C	Dual		27.81 mm	12.19 mm	7.49 mm	1000Base-T	Tube
Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 1-Por HX5062NL Pulse Electronics 1: 7,44 € 831In Stock	Mfr. Part No. HX5062NL Mouser Part No 673-HX5062NL	Pulse Electronics	Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 1-Por Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	831In Stock	7,44 € 6,66 € 6,30 € 6,10 € View 5,91 € 5,59 € 5,44 € 5,29 € Quote	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	1 MHz to 100 MHz	350 uH			1.5 kV	- 40 C	+ 85 C	Single		17.53 mm	16 mm	5.715 mm	1000Base-T	Tube
Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 300uH/360uH 1-port HX5149NL Pulse Electronics 1: 7,02 € 1.660In Stock	Mfr. Part No. HX5149NL Mouser Part No 673-HX5149NL	Pulse Electronics	Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 300uH/360uH 1-port Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	1.660In Stock	7,02 € 6,34 € 6,07 € 5,89 € View 5,70 € 5,42 € 5,25 € 5,10 € Quote	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	1 MHz to 125 MHz	350 uH			1.5 kV	- 40 C	+ 85 C	Single		17.78 mm	9.91 mm	3.2 mm	1000Base-T	Tube