Audio Transformers / Signal Transformers

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Ethernet Solutions

Würth Elektronik offers multiple Ethernet solutions, including LAN transformers and modular jack connectors. The WE-LAN transformer series is designed with at least one transformer and one common mode choke in each channel. The LAN transformer portfolio consists of the WE-LAN series with Power over Ethernet (PoE) up to 150W and speeds up to 1Gbit/s, the WE-LAN 10G series with 10G Base-T and PoE(+) over four pairs up to 150W, and the WE-LAN AQ series, which is manufactured by a fully automated process with Ethernet speeds up to 1Gbit/s.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CLP) Filter the results in the table by unit price based on your quantity.	Qty.	Product	Type	Termination Style	Frequency Range	Inductance	Isolation Voltage	Minimum Operating Temperature	Maximum Operating Temperature	Number of Channels	Package / Case	Length	Width	Height	Series	Packaging
Audio Transformers / Signal Transformers WE-LAN AQ SMD Tfrmr 10/100/1000 Base-T 749020310 Wurth Elektronik 1: $7.975 7.369In Stock	Mfr. Part # 749020310 Mouser Part # 710-749020310	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN AQ SMD Tfrmr 10/100/1000 Base-T Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	7.369In Stock	Cut Tape $7.975 $6.995 $6.243 Reel $5.389 $4.375 MouseReel Available	Min.: 1 Mult.: 1 : 400	LAN Transformers	LAN	SMD/SMT	500 kHz to 100 MHz	350 uH	1.501 kVAC	- 40 C	+ 85 C	Single	17.53 mm x 14.6 mm x 4.5 mm	17.53 mm	16.51 mm	4.5 mm	WE-LANAQ	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 10/100/1000 Base-T Transformer 1 Port 749024012 Wurth Elektronik 1: $24.848 1.593In Stock	Mfr. Part # 749024012 Mouser Part # 710-749024012	Wurth Elektronik	Audio Transformers / Signal Transformers 10/100/1000 Base-T Transformer 1 Port Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	1.593In Stock	Cut Tape $24.848 $23.993 $22.660 Reel $20.256 $18.992 MouseReel Available	Min.: 1 Mult.: 1 : 175	LAN Transformers	LAN	SMD/SMT		350 uH	4 kVAC	- 40 C	+ 85 C			28.57 mm	12.7 mm	12.7 mm	WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN 1KBsT nonPoE 350uH 2Port 1500Vrms 749020022A Wurth Elektronik 1: $19.482 355In Stock	Mfr. Part # 749020022A Mouser Part # 710-749020022A	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN 1KBsT nonPoE 350uH 2Port 1500Vrms Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	355In Stock	Cut Tape $19.482 $16.098 $13.888 Reel $13.159 MouseReel Available	Min.: 1 Mult.: 1 : 330	LAN Transformers	LAN	SMD/SMT		350 uH	1.5 kV	- 40 C	+ 85 C			27.7 mm	7.5 mm	8.5 mm	WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN 10GBsT PoE+ 120uH 1Port 1500Vrms 749052051 Wurth Elektronik 1: $13.284 221In Stock	Mfr. Part # 749052051 Mouser Part # 710-749052051	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN 10GBsT PoE+ 120uH 1Port 1500Vrms Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	221In Stock	Cut Tape $13.284 $10.983 $9.467 Reel $8.966 MouseReel Available	Min.: 1 Mult.: 1 : 290	LAN Transformers	LAN	SMD/SMT		120 uH	1.5 kV	- 40 C	+ 85 C			18.29 mm	14.7 mm	8.8 mm	WE-LAN 10G	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 10/100 Base-T SMT Transformer 1 Port 7490100111 Wurth Elektronik 1: $6.038 2.589In Stock	Mfr. Part # 7490100111 Mouser Part # 710-7490100111	Wurth Elektronik	Audio Transformers / Signal Transformers 10/100 Base-T SMT Transformer 1 Port Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	2.589In Stock	Cut Tape $6.038 $5.924 $5.503 $5.081 Reel $4.420 View $4.010 $3.987 MouseReel Available	Min.: 1 Mult.: 1 : 450	LAN Transformers	LAN	SMD/SMT		350 uH	1.5 kVAC	- 25 C	+ 105 C	Dual		12.95 mm	7.11 mm	5.33 mm	WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN 1KBsT nonPoE 350uH 1Port 1500Vrms 749024015C Wurth Elektronik 1: $16.588 333In Stock	Mfr. Part # 749024015C Mouser Part # 710-749024015C	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN 1KBsT nonPoE 350uH 1Port 1500Vrms Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	333In Stock	Cut Tape $16.588 $16.542 $16.508 $16.474 View Reel $13.968 $16.440 $16.417 $16.041 $13.968 MouseReel Available	Min.: 1 Mult.: 1 : 400	LAN Transformers	LAN	SMD/SMT		350 uH	1.5 kV	- 40 C	+ 105 C			17.6 mm	14.65 mm	8.8 mm	WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN 1Port SMD Trnsfmr 749014010 Wurth Elektronik 1: $8.875 872In Stock	Mfr. Part # 749014010 Mouser Part # 710-749014010	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN 1Port SMD Trnsfmr Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	872In Stock	Cut Tape $8.875 $8.567 $8.089 $7.610 Reel $7.576 $6.596 MouseReel Available	Min.: 1 Mult.: 1 : 300	LAN Transformers	LAN	SMD/SMT	1 MHz to 100 MHz	350 uH	4.5 kVAC	0 C	+ 70 C	Quad	17.1 mm x 14.75 mm x 8.4 mm	17.1 mm	15.34 mm	8.4 mm	WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN Trans 1 Port 1000BT 1 Port 749023010A Wurth Elektronik 1: $7.884 750In Stock	Mfr. Part # 749023010A Mouser Part # 710-749023010A	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN Trans 1 Port 1000BT 1 Port Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	750In Stock	Cut Tape $7.884 $7.212 $7.200 $6.665 Reel $5.936 View $6.266 $6.255 $5.685 MouseReel Available	Min.: 1 Mult.: 1 : 400	LAN Transformers	LAN	SMD/SMT		350 uH	1500 Vrms	0 C	+ 70 C	Single		17.5 mm	15.6 mm	5.4 mm	WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN 2.5G / 5GB Base-T 1Port ETR 749080010 Wurth Elektronik 1: $14.036 559In Stock	Mfr. Part # 749080010 Mouser Part # 710-749080010	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN 2.5G / 5GB Base-T 1Port ETR Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	559In Stock	Cut Tape $14.036 $12.885 $11.621 $10.550 Reel $9.160 MouseReel Available	Min.: 1 Mult.: 1 : 400	LAN Transformers	LAN	SMD/SMT		200 uH	1.5 kV	- 40 C	+ 85 C			13.97 mm	12 mm		WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN SMT Transfrmr 1000BT 1 Port ETR 749020011A Wurth Elektronik 1: $7.884 4.586In Stock 400Expected 11/20/2026	Mfr. Part # 749020011A Mouser Part # 710-749020011A	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN SMT Transfrmr 1000BT 1 Port ETR Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	4.586In Stock 400Expected 11/20/2026	Cut Tape $7.884 $7.200 $6.665 $6.255 Reel $5.936 $5.685 MouseReel Available	Min.: 1 Mult.: 1 : 400	LAN Transformers	LAN	SMD/SMT		350 uH	1500 Vrms	- 40 C	+ 85 C	Single		17.5 mm	15.24 mm	6.5 mm	WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN 1000Base-T 350uH 1Port 1500Vrms 749020023A Wurth Elektronik 1: $6.801 7.365In Stock 42.400Expected 12/4/2026	Mfr. Part # 749020023A Mouser Part # 710-749020023A	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN 1000Base-T 350uH 1Port 1500Vrms Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	7.365In Stock 42.400Expected 12/4/2026	Cut Tape $6.801 $5.628 $4.728 $4.306 Reel $3.874 MouseReel Available	Min.: 1 Mult.: 1 : 800	LAN Transformers	LAN	SMD/SMT		350 uH	1.5 kV	- 40 C	+ 85 C			15.1 mm	7.1 mm	4.25 mm	WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN Transformer 1000BT 1/2 Port ETR 749020100A Wurth Elektronik 1: $7.474 15.052In Stock	Mfr. Part # 749020100A Mouser Part # 710-749020100A	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN Transformer 1000BT 1/2 Port ETR Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	15.052In Stock	Cut Tape $7.474 $6.460 $5.708 $5.309 $4.739 Reel $4.329 MouseReel Available	Min.: 1 Mult.: 1 : 1.200	LAN Transformers	LAN	SMD/SMT		350 uH	1500 Vrms	- 40 C	+ 105 C	Single		12.7 mm	9.5 mm	3 mm	WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN SMT Transfrmr 1000BT 1 Port 749020111A Wurth Elektronik 1: $4.512 11.199In Stock	Mfr. Part # 749020111A Mouser Part # 710-749020111A	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN SMT Transfrmr 1000BT 1 Port Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	11.199In Stock	Cut Tape $4.512 $4.238 $3.999 $3.896 Reel $3.691 MouseReel Available	Min.: 1 Mult.: 1 : 1.500	LAN Transformers	LAN	SMD/SMT		350 uH	1500 Vrms	0 C	+ 70 C	Single		16.5 mm	9.7 mm	2.35 mm	WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN 1KBaseT 4PPoE 350uH 1Port 1500Vrms 7490220115 Wurth Elektronik 1: $15.164 1.672In Stock	Mfr. Part # 7490220115 Mouser Part # 710-7490220115	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN 1KBaseT 4PPoE 350uH 1Port 1500Vrms Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	1.672In Stock	Cut Tape $15.164 $12.532 $10.800 Reel $10.231 MouseReel Available	Min.: 1 Mult.: 1 : 400	LAN Transformers	LAN	SMD/SMT		350 uH	1.5 kV	- 40 C	+ 85 C			18.3 mm	12.2 mm	6.35 mm	WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN 10/100/1000 1Port ETR Base T SMD 7490220122 Wurth Elektronik 1: $7.952 9.867In Stock	Mfr. Part # 7490220122 Mouser Part # 710-7490220122	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN 10/100/1000 1Port ETR Base T SMD Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	9.867In Stock	Cut Tape $7.952 $7.667 $7.200 $6.779 Reel $6.038 MouseReel Available	Min.: 1 Mult.: 1 : 290	LAN Transformers	LAN	SMD/SMT	1 MHz to 100 MHz	350 uH	1.5 kVAC	- 40 C	+ 105 C	Quad		18.29 mm	16 mm	8.8 mm	WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN 10/100/1000 Base-T SMT 24P pitch 1.27mm 1.5KVrms isolation. PoE 350mA 749023113C Wurth Elektronik 1: $9.490 6.932In Stock	Mfr. Part # 749023113C Mouser Part # 710-749023113C	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN 10/100/1000 Base-T SMT 24P pitch 1.27mm 1.5KVrms isolation. PoE 350mA Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	6.932In Stock	Cut Tape $9.490 $8.715 $7.861 $7.132 Reel $6.198 MouseReel Available	Min.: 1 Mult.: 1 : 1.200	LAN Transformers	LAN Transformer	SMD/SMT		350 uH	1.5 kV	- 40 C	+ 85 C			16.5 mm	9.6 mm	2.4 mm	WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN DP83822 SMT Transfrmr 100BT 1 Port ETR 749013011 Wurth Elektronik 1: $2.791 1.457In Stock 7.500On Order	Mfr. Part # 749013011 Mouser Part # 710-749013011	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN DP83822 SMT Transfrmr 100BT 1 Port ETR Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	1.457In Stock 7.500On Order On Order Ship Dates Mfr. #: 749013011 Stock: 1.457 Can Ship Immediately On Order: 3.000 Expected 11/13/2026 4.500 Expected 11/16/2026 Factory Lead-Time: 6 Weeks	Cut Tape $2.791 $2.723 Reel $2.381 MouseReel Available	Min.: 1 Mult.: 1 : 750	LAN Transformers	LAN	SMD/SMT		350 uH	1.5 kVAC	- 40 C	+ 85 C	Dual		12.95 mm	7.11 mm	5.33 mm	WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN SMT Transfrmr 100BT 1 Port 7490100110A Wurth Elektronik 1: $4.272 9.319In Stock	Mfr. Part # 7490100110A Mouser Part # 710-7490100110A	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN SMT Transfrmr 100BT 1 Port Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	9.319In Stock	Cut Tape $4.272 $3.942 $3.668 $3.395 Reel $2.324 MouseReel Available	Min.: 1 Mult.: 1 : 600	LAN Transformers	LAN	SMD/SMT		350 uH	1500 Vrms	0 C	+ 70 C	Single		12.7 mm	9.4 mm	6.35 mm	WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-STST DP83TD510E 4532 350uH 1 Ch Sgl Pair Ether 7490100111A Wurth Elektronik 1: $4.546 7.760In Stock 25.200On Order	Mfr. Part # 7490100111A Mouser Part # 710-7490100111A	Wurth Elektronik	Audio Transformers / Signal Transformers WE-STST DP83TD510E 4532 350uH 1 Ch Sgl Pair Ether Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	7.760In Stock 25.200On Order On Order Ship Dates Mfr. #: 7490100111A Stock: 7.760 Can Ship Immediately On Order: 3.600 Pending 21.600 Expected 4/2/2027 Factory Lead-Time: 17 Weeks	Cut Tape $4.546 $4.215 $3.737 $3.258 Reel $2.905 MouseReel Available	Min.: 1 Mult.: 1 : 600	LAN Transformers	LAN	SMD/SMT		350 uH	1500 Vrms	- 40 C	+ 105 C	Single		12.7 mm	9.4 mm	6.35 mm	WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN 10/100 Base-TX SMT Transformer 1 Port 7490100111B Wurth Elektronik 1: $4.466 1.714In Stock	Mfr. Part # 7490100111B Mouser Part # 710-7490100111B	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN 10/100 Base-TX SMT Transformer 1 Port Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	1.714In Stock	Cut Tape $4.466 $4.044 $3.771 $3.486 Reel $2.381 MouseReel Available	Min.: 1 Mult.: 1 : 650	LAN Transformers	LAN	SMD/SMT		350 uH	1.5 kVAC								WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN SMT Transfrmr 100BT 1 Port 749010012A Wurth Elektronik 1: $4.466 1.276In Stock	Mfr. Part # 749010012A Mouser Part # 710-749010012A	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN SMT Transfrmr 100BT 1 Port Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	1.276In Stock	Cut Tape $4.466 $4.044 $3.771 $3.486 Reel $2.381 MouseReel Available	Min.: 1 Mult.: 1 : 600	LAN Transformers	LAN	SMD/SMT		350 uH	1500 Vrms	0 C	+ 70 C	Single		12.7 mm	9.1 mm	6.35 mm	WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN 1Port Trnsfmr 10/100 Base-T SMD 7490100161A Wurth Elektronik / Midcom 1: $4.033 840In Stock	Mfr. Part # 7490100161A Mouser Part # 710-7490100161A	Wurth Elektronik / Midcom	Audio Transformers / Signal Transformers WE-LAN 1Port Trnsfmr 10/100 Base-T SMD Learn More about Wurth Elektronik / Midcom wurth WE LAN transformers	Datasheet	840In Stock	Cut Tape $4.033 $3.634 $3.498 $3.384 Reel $3.019 View $3.281 $3.144 $2.871 $2.803 MouseReel Available	Min.: 1 Mult.: 1 : 600	LAN Transformers	LAN	SMD/SMT	100 kHz to 100 MHz	350 uH	1.5 kVAC	- 40 C	+ 125 C	Single		12.7 mm	9.4 mm	6.35 mm	WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN DP83822 10/100 Base-T 1Port SMD Transfrme 7490120110 Wurth Elektronik / Midcom 1: $5.833 1.973In Stock 1.950Expected 1/29/2027	Mfr. Part # 7490120110 Mouser Part # 710-7490120110	Wurth Elektronik / Midcom	Audio Transformers / Signal Transformers WE-LAN DP83822 10/100 Base-T 1Port SMD Transfrme Learn More about Wurth Elektronik / Midcom wurth WE LAN transformers	Datasheet	1.973In Stock 1.950Expected 1/29/2027	Cut Tape $5.833 $5.400 $4.910 $4.455 Reel $3.851 $3.498 MouseReel Available	Min.: 1 Mult.: 1 : 650	LAN Transformers	LAN	SMD/SMT	100 kHz to 100 MHz	350 uH	1.5 kVAC	- 40 C	+ 85 C	Single		12.7 mm	9.52 mm	5.6 mm	WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN 10/100 Base-T SMD 1 Port Transfrmr 749013011A Wurth Elektronik / Midcom 1: $4.477 5.289In Stock	Mfr. Part # 749013011A Mouser Part # 710-749013011A	Wurth Elektronik / Midcom	Audio Transformers / Signal Transformers WE-LAN 10/100 Base-T SMD 1 Port Transfrmr Learn More about Wurth Elektronik / Midcom wurth WE LAN transformers	Datasheet	5.289In Stock	Cut Tape $4.477 $4.147 $3.805 $3.532 Reel $2.643 MouseReel Available	Min.: 1 Mult.: 1 : 600	LAN Transformers	LAN	SMD/SMT	1 MHz to 1 GHz	350 uH	1.5 kVAC	- 40 C	+ 105 C	Single		12.7 mm	9.4 mm	6.35 mm	WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN 10/100 Base T 1Port SMD Trnsfmr 7490140112 Wurth Elektronik 1: $19.037 421In Stock	Mfr. Part # 7490140112 Mouser Part # 710-7490140112	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN 10/100 Base T 1Port SMD Trnsfmr Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	421In Stock	Cut Tape $19.037 $18.365 $17.340 $16.326 Reel $15.050 $14.047 MouseReel Available	Min.: 1 Mult.: 1 : 200	LAN Transformers	LAN	SMD/SMT		350 uH	6 kVAC	- 40 C	+ 85 C	Dual		24.55 mm	18.25 mm	10.85 mm	WE-LAN	Reel, Cut Tape, MouseReel