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	Length	Width	Height	Series	Packaging
Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 4-Port HX1234NL Pulse Electronics 1: 11,67 € 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	11,67 € 10,09 € 9,31 € 8,91 € 8,08 €	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 100BaseTX SMD NonPoE 350uH .65Ohms 1-Por HX1260NL Pulse Electronics 1: 3,96 € 579In Stock	Mfr. Part No. HX1260NL Mouser Part No 673-HX1260NL	Pulse Electronics	Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH .65Ohms 1-Por Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	579In Stock	3,96 € 3,58 € 3,09 € 2,99 € View 2,86 € 2,84 € 2,62 € Quote	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	100 kHz to 100 MHz	350 uH			1.5 kV	- 40 C	+ 85 C	Single	12.7 mm	9.65 mm	6 mm	HX	Tube
Audio Transformers / Signal Transformers 100Base-TX SMD PoE 350uH .75Ohms 1-Port HX2019NLT Pulse Electronics 1: 3,81 € 3.109In 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	3.109In Stock	Cut Tape 3,81 € 3,43 € 3,21 € 3,04 € Reel 2,53 € View 2,94 € 2,43 € 2,37 € 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: 3,97 € 770In 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	770In Stock	3,97 € 3,59 € 2,80 € 2,70 € View 2,61 € 2,54 € 2,42 €	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: 10,97 € 506In Stock 900Expected 11/16/2026	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 11/16/2026	10,97 € 9,90 € 9,05 € 8,82 € View 8,66 € 8,45 € 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: 14,91 € 162In 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	162In Stock	14,91 € 12,81 € 12,36 € 11,99 € View 11,47 € 10,88 €	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 2-Por HX5020NLT Pulse Electronics 1: 15,88 € 173In Stock 500Expected 11/20/2026	Mfr. Part No. HX5020NLT Mouser Part No 673-HX5020NLT	Pulse Electronics	Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 2-Por Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	173In Stock 500Expected 11/20/2026	Cut Tape 15,88 € 14,09 € 12,82 € 12,77 € Reel 11,41 € 10,88 € MouseReel Available	Min.: 1 Mult.: 1 : 250	LAN Transformers	Module	SMD/SMT	1 MHz to 100 MHz	350 uH			1.5 kV	- 40 C	+ 85 C	Dual	27.94 mm	10.92 mm	8.33 mm	HX	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 1-Por HX5062NL Pulse Electronics 1: 7,21 € 837In 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	837In Stock	7,21 € 6,45 € 6,02 € 5,81 € View 5,61 € 5,37 € 5,27 € 5,13 € 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 PoE 350uH 2-port HX6080NL Pulse Electronics 1: 14,00 € 169In Stock	Mfr. Part No. HX6080NL Mouser Part No 673-HX6080NL	Pulse Electronics	Audio Transformers / Signal Transformers 1000BaseT SMD PoE 350uH 2-port Learn More about Pulse Electronics pulselantrans	Datasheet	169In Stock	14,00 € 12,38 € 11,78 € 11,46 € View 10,84 € 10,68 € 10,48 € Quote	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	1 MHz to 125 MHz	350 uH			1.5 kV	- 40 C	+ 85 C	Dual	27.81 mm	12.19 mm	7.24 mm	1000Base-T	Tube
Audio Transformers / Signal Transformers 1000Base-T SMD PoE+ 120uH .3Ohms 1-Port HX6098NL Pulse Electronics 1: 8,01 € 279In Stock	Mfr. Part No. HX6098NL Mouser Part No 673-HX6098NL	Pulse Electronics	Audio Transformers / Signal Transformers 1000Base-T SMD PoE+ 120uH .3Ohms 1-Port Learn More about Pulse Electronics pulse 140w poe ethernet modules	Datasheet	279In Stock	8,01 € 7,22 € 5,99 € 5,83 € View 5,66 € 5,43 € 5,23 €	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	1 MHz to 125 MHz	350 uH			1.5 kV	- 40 C	+ 85 C	Single	18.16 mm	12.2 mm	6.6 mm	1000Base-T	Tube
Audio Transformers / Signal Transformers 1000BASE-T PoE+ 2-Port SMD Open HX6101NL Pulse Electronics 1: 14,53 € 529In Stock	Mfr. Part No. HX6101NL Mouser Part No 673-HX6101NL	Pulse Electronics	Audio Transformers / Signal Transformers 1000BASE-T PoE+ 2-Port SMD Open Learn More about Pulse Electronics pulse poe solutions	Datasheet	529In Stock	14,53 € 12,93 € 12,43 € 12,06 € View 11,43 € 11,11 € Quote	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	1 MHz to 100 MHz	350 uH			1.5 kV	- 40 C	+ 85 C	Dual	27.81 mm	12.19 mm	7.24 mm	1000Base-T	Tube
Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 1-Port Pulse Electronics H1112NLT H1112NLT Pulse Electronics 1: 4,61 € 1.524In Stock	Mfr. Part No. H1112NLT Mouser Part No 673-H1112NLT	Pulse Electronics	Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 1-Port Learn More about Pulse Electronics pulselantrans	Datasheet	1.524In Stock	Cut Tape 4,61 € 4,04 € 3,90 € 3,78 € Reel 3,06 € View 3,32 € 2,98 € 2,85 € MouseReel Available	Min.: 1 Mult.: 1 : 350	LAN Transformers	Module	SMD/SMT	100 kHz to 100 MHz	350 uH			1.5 kV	0 C	+ 70 C	Single	14.81 mm	14.73 mm	4.88 mm		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 1-Port Pulse Electronics HX1148NL HX1148NL Pulse Electronics 1: 7,52 € 1.340In Stock	Mfr. Part No. HX1148NL Mouser Part No 673-HX1148NL	Pulse Electronics	Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 1-Port Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	1.340In Stock	7,52 € 6,48 € 6,29 € 6,23 € View 5,97 € 5,79 € 5,61 € 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	25.4 mm	9.91 mm	6.22 mm	HX	Tube
Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH .65Ohms 1-Por H1100NL Pulse Electronics 1: 4,17 € 450In Stock	Mfr. Part No. H1100NL Mouser Part No 673-H1100NL	Pulse Electronics	Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH .65Ohms 1-Por Learn More about Pulse Electronics pulselantrans	Datasheet	450In Stock	4,17 € 3,77 € 3,54 € 3,42 € View 3,36 € 3,23 € 2,83 € 2,76 € 2,75 €	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	100 kHz to 100 MHz	350 uH			1.5 kV	0 C	+ 70 C	Single	12.7 mm	7.11 mm	5.97 mm	H1100	Tube
Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 1-Port H1112NL Pulse Electronics 1: 4,61 € 413In Stock	Mfr. Part No. H1112NL Mouser Part No 673-H1112NL	Pulse Electronics	Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 1-Port Learn More about Pulse Electronics pulselantrans	Datasheet	413In Stock	4,61 € 4,17 € 3,93 € 3,81 € View 3,74 € 3,59 € 3,48 € 3,33 € 3,31 €	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	100 kHz to 100 MHz	350 uH			1.5 kV	0 C	+ 70 C	Single	14.81 mm	14.73 mm	4.88 mm	H1112	Tube
Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH .65Ohms 1-Por H1260NL Pulse Electronics 1: 3,96 € 369In Stock	Mfr. Part No. H1260NL Mouser Part No 673-H1260NL	Pulse Electronics	Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH .65Ohms 1-Por Learn More about Pulse Electronics pulselantrans	Datasheet	369In Stock	3,96 € 3,59 € 3,27 € 3,14 € View 2,64 € 2,61 € 2,58 € Quote	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	100 kHz to 100 MHz	350 uH			1.5 kV	0 C	+ 70 C	Single	12.7 mm	9.65 mm	6 mm		Tube
Audio Transformers / Signal Transformers 100Base-TX SMD PoE 350uH .65Ohms 1-Port H2019NLT Pulse Electronics 1: 3,81 € 40In Stock 2.300Expected 11/17/2026	Mfr. Part No. H2019NLT Mouser Part No 673-H2019NLT	Pulse Electronics	Audio Transformers / Signal Transformers 100Base-TX SMD PoE 350uH .65Ohms 1-Port Learn More about Pulse Electronics pulselantrans	Datasheet	40In Stock 2.300Expected 11/17/2026	Cut Tape 3,81 € 3,45 € 3,21 € 3,06 € Reel 2,84 € View 2,97 € 2,64 € 2,59 € Quote MouseReel Available	Min.: 1 Mult.: 1 : 600	LAN Transformers	Module	SMD/SMT	1 MHz to 100 MHz	350 uH			1.5 kV	0 C	+ 70 C	Single	12.7 mm	9.4 mm	5.97 mm		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 100Base-TX SMD PoE 350uH .65Ohms 1-Port H2260NL Pulse Electronics 1: 3,74 € 245In Stock	Mfr. Part No. H2260NL Mouser Part No 673-H2260NL	Pulse Electronics	Audio Transformers / Signal Transformers 100Base-TX SMD PoE 350uH .65Ohms 1-Port Learn More about Pulse Electronics pulselantrans	Datasheet	245In Stock	3,74 € 3,39 € 3,09 € 3,02 € View 2,91 € 2,47 € 2,40 € 2,37 € 2,34 €	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	100 kHz to 100 MHz	350 uH			1.5 kV	0 C	+ 70 C	Single	12.7 mm	7.11 mm	6 mm	H2260	Tube
Audio Transformers / Signal Transformers 1000Base-T SMD 1-Port H5004NL Pulse Electronics 1: 9,40 € 194In Stock	Mfr. Part No. H5004NL Mouser Part No 673-H5004NL	Pulse Electronics	Audio Transformers / Signal Transformers 1000Base-T SMD 1-Port Learn More about Pulse Electronics pulselantrans	Datasheet	194In Stock	9,40 € 8,39 € 7,99 € 7,65 € View 7,48 € 6,85 € 6,77 €	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	1 MHz to 100 MHz	350 uH			1.5 kV	0 C	+ 70 C	Single	17.53 mm	12.2 mm	5.51 mm	H5004	Tube
Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 1-Port H5019NL Pulse Electronics 1: 9,40 € 176In Stock	Mfr. Part No. H5019NL Mouser Part No 673-H5019NL	Pulse Electronics	Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 1-Port Learn More about Pulse Electronics pulselantrans	Datasheet	176In Stock	9,40 € 8,48 € 8,07 € 7,79 € View 7,62 € 7,31 € 6,79 € 6,70 €	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	1 MHz to 100 MHz	350 uH			1.5 kV	0 C	+ 70 C	Single	19.81 mm	19.56 mm	2.54 mm		Tube
Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 2-Port H5020NLT Pulse Electronics 1: 15,68 € 57In Stock	Mfr. Part No. H5020NLT Mouser Part No 673-H5020NLT	Pulse Electronics	Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 2-Port Learn More about Pulse Electronics pulselantrans	Datasheet	57In Stock	Cut Tape 15,68 € 14,09 € 13,55 € 13,12 € 12,71 € Reel 11,51 € MouseReel Available	Min.: 1 Mult.: 1 : 250	LAN Transformers	Module	SMD/SMT	1 MHz to 100 MHz	350 uH			1.5 kV	0 C	+ 70 C	Dual	27.94 mm	10.92 mm	7.54 mm		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 1-Port H5079NL Pulse Electronics 1: 9,18 € 123In Stock 260Expected 11/23/2026	Mfr. Part No. H5079NL Mouser Part No 673-H5079NL	Pulse Electronics	Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 1-Port Learn More about Pulse Electronics pulselantrans	Datasheet	123In Stock 260Expected 11/23/2026	9,18 € 7,81 € 7,57 € 7,47 € View 7,27 € 6,25 € 6,11 € 6,09 €	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	1 MHz to 100 MHz	350 uH			1.5 kV	0 C	+ 70 C	Single	19.94 mm	14.7 mm	2.54 mm	H5079	Tube
Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH 1-Port H5084NL Pulse Electronics 1: 4,91 € 23In Stock 540Expected 12/22/2026	Mfr. Part No. H5084NL Mouser Part No 673-H5084NL	Pulse Electronics	Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH 1-Port Learn More about Pulse Electronics pulselantrans	Datasheet	23In Stock 540Expected 12/22/2026	4,91 € 4,27 € 3,89 € 3,88 € View 3,73 € 3,61 € 3,30 € 3,29 €	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	1 MHz to 100 MHz	350 uH			1.5 kV	0 C	+ 70 C	Single	15.11 mm	6.35 mm	4.01 mm		Tube
Audio Transformers / Signal Transformers 1000Base-T SMD PoE 350uH .65Ohms 1-Port H6062NL Pulse Electronics 1: 5,91 € 280In Stock	Mfr. Part No. H6062NL Mouser Part No 673-H6062NL	Pulse Electronics	Audio Transformers / Signal Transformers 1000Base-T SMD PoE 350uH .65Ohms 1-Port Learn More about Pulse Electronics pulselantrans	Datasheet	280In Stock	5,91 € 5,33 € 5,07 € 4,89 € View 4,80 € 4,57 € 4,12 € 4,03 € 4,02 €	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	1 MHz to 125 MHz					0 C	+ 70 C	Single	17.53 mm	16 mm	5.51 mm		Tube
Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH 1-Port HX1198NL Pulse Electronics 1: 4,11 € 211In Stock 640Expected 3/22/2027	Mfr. Part No. HX1198NL Mouser Part No 673-HX1198NL	Pulse Electronics	Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH 1-Port Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	211In Stock 640Expected 3/22/2027	4,11 € 3,72 € 3,32 € 3,21 € View 3,12 € 3,00 € 2,68 € 2,64 € 2,54 €	Min.: 1 Mult.: 1	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	100Base-TX	Tube