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 (EUR) 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 10/100BaseT nonPoE 350uH 2500Vrm 7490140117C Wurth Elektronik 1: 5,13 € 1.287In Stock	Mfr. Part No. 7490140117C Mouser Part No 710-7490140117C	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN 10/100BaseT nonPoE 350uH 2500Vrm Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	1.287In Stock	Cut Tape 5,13 € 4,24 € 3,66 € Reel 3,47 € MouseReel Available	Min.: 1 Mult.: 1 : 750	LAN Transformers	LAN	SMD/SMT		350 uH	2.5 kV	- 40 C	+ 105 C			12.7 mm	8.8 mm	5.7 mm	WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN SMD Extended 1 Port 10/100 Base-T 749014012 Wurth Elektronik 1: 10,53 € 303In Stock	Mfr. Part No. 749014012 Mouser Part No 710-749014012	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN SMD Extended 1 Port 10/100 Base-T Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	303In Stock	Cut Tape 10,53 € 10,17 € 9,59 € 8,59 € Reel 8,04 € 7,77 € MouseReel Available	Min.: 1 Mult.: 1 : 250	LAN Transformers	LAN	SMD/SMT	500 kHz to 100 MHz	350 uH	4 kVAC	0 C	+ 70 C	Single	24.55 mm x 17 mm x 10.85 mm	24.55 mm	18.25 mm	10.85 mm	WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN 10/100BaseT nonPoE 350uH 4500Vrm 7490140122B Wurth Elektronik 1: 7,89 € 661In Stock	Mfr. Part No. 7490140122B Mouser Part No 710-7490140122B	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN 10/100BaseT nonPoE 350uH 4500Vrm Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	661In Stock	Cut Tape 7,89 € 6,56 € 5,97 € 5,43 € Reel 4,91 € MouseReel Available	Min.: 1 Mult.: 1 : 300	LAN Transformers	LAN	SMD/SMT		350 uH	4.5 kV	- 40 C	+ 85 C			17.1 mm	14.75 mm	8.4 mm	WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN 10/100BaseT nonPoE 350uH 4500Vrm 7490140123B Wurth Elektronik 1: 10,28 € 600In Stock	Mfr. Part No. 7490140123B Mouser Part No 710-7490140123B	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN 10/100BaseT nonPoE 350uH 4500Vrm Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	600In Stock	Cut Tape 10,28 € 8,57 € 7,79 € 7,47 € Reel 7,09 € MouseReel Available	Min.: 1 Mult.: 1 : 300	LAN Transformers	LAN	SMD/SMT		350 uH	4.5 kV	- 40 C	+ 85 C			17.1 mm	14.75 mm	8.4 mm	WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN SMT Transfrmr 1000BT 1 Port 749020010A Wurth Elektronik 1: 5,95 € 3.159In Stock	Mfr. Part No. 749020010A Mouser Part No 710-749020010A	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN SMT Transfrmr 1000BT 1 Port Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	3.159In Stock	Cut Tape 5,95 € 5,44 € 5,03 € 4,72 € Reel 4,48 € 4,29 € MouseReel Available	Min.: 1 Mult.: 1 : 400	LAN Transformers	LAN	SMD/SMT		350 uH	1500 Vrms	- 40 C	+ 85 C	4 Channel		17.5 mm	15.24 mm	6.5 mm	WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN SMT TRANSFMR 1000BT 1Port PoE+ETR 749022011 Wurth Elektronik 1: 5,56 € 1.576In Stock 1.200Expected 2/5/2027	Mfr. Part No. 749022011 Mouser Part No 710-749022011	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN SMT TRANSFMR 1000BT 1Port PoE+ETR Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	1.576In Stock 1.200Expected 2/5/2027	Cut Tape 5,56 € 5,36 € 5,06 € 4,50 € Reel 4,27 € MouseReel Available	Min.: 1 Mult.: 1 : 400	LAN Transformers	LAN	SMD/SMT		350 uH	1.5 kVAC	- 40 C	+ 85 C	Quad		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 7490220120 Wurth Elektronik 1: 5,11 € 2.923In Stock 2.000Expected 1/29/2027	Mfr. Part No. 7490220120 Mouser Part No 710-7490220120	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	2.923In Stock 2.000Expected 1/29/2027	Cut Tape 5,11 € 4,93 € 4,63 € 4,36 € Reel 3,91 € MouseReel Available	Min.: 1 Mult.: 1 : 400	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	6.15 mm	WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN 10/100/1000 1Port ETR Base T SMD 7490220121 Wurth Elektronik / Midcom 1: 5,56 € 1.411In Stock 1.280Expected 1/29/2027	Mfr. Part No. 7490220121 Mouser Part No 710-7490220121	Wurth Elektronik / Midcom	Audio Transformers / Signal Transformers WE-LAN 10/100/1000 1Port ETR Base T SMD Learn More about Wurth Elektronik / Midcom wurth WE LAN transformers	Datasheet	1.411In Stock 1.280Expected 1/29/2027	Cut Tape 5,56 € 5,37 € 5,04 € 4,74 € Reel 4,22 € MouseReel Available	Min.: 1 Mult.: 1 : 320	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	7.2 mm	WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN SMD Transfrmr 10/100/1000Base-T 7490220123 Wurth Elektronik 1: 5,56 € 2.334In Stock 1.740Expected 11/20/2026	Mfr. Part No. 7490220123 Mouser Part No 710-7490220123	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN SMD Transfrmr 10/100/1000Base-T Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	2.334In Stock 1.740Expected 11/20/2026	Cut Tape 5,56 € 5,37 € 5,04 € 4,74 € Reel 4,22 € MouseReel Available	Min.: 1 Mult.: 1 : 290	LAN Transformers	LAN	SMD/SMT	1 MHz to 100 MHz	180 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 AQ 1KBaseT 4PPoE 150uH 1500Vrms 749022310 Wurth Elektronik 1: 4,54 € 2.648In Stock	Mfr. Part No. 749022310 Mouser Part No 710-749022310	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN AQ 1KBaseT 4PPoE 150uH 1500Vrms Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	2.648In Stock	Cut Tape 4,54 € 4,18 € 3,72 € 3,41 € Reel 2,64 € MouseReel Available	Min.: 1 Mult.: 1 : 800	LAN Transformers	LAN	SMD/SMT		150 uH	1.5 kV	- 40 C	+ 85 C			16.5 mm	10.3 mm	4.1 mm	WE-LANAQ	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN 10/100/1000 Base-T SMT Transformer 1 Port 40pin pitch 1.27mm 7490240140 Wurth Elektronik 1: 10,28 € 218In Stock	Mfr. Part No. 7490240140 Mouser Part No 710-7490240140	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN 10/100/1000 Base-T SMT Transformer 1 Port 40pin pitch 1.27mm Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	218In Stock	Cut Tape 10,28 € 8,57 € 7,79 € 7,08 € Reel 6,68 € MouseReel Available	Min.: 1 Mult.: 1 : 200	LAN Transformers	LAN Transformer	SMD/SMT		350 uH	4 kVAC	- 40 C	+ 85 C			28.32 mm	12.7 mm	12.7 mm	WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN 10/100/1000 Base-T SMT Transformer 1 Port 1000BASE-T 24pin pitch 1.27mm 7490240142 Wurth Elektronik 1: 10,28 € 480In Stock 720Expected 11/10/2026	Mfr. Part No. 7490240142 Mouser Part No 710-7490240142	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN 10/100/1000 Base-T SMT Transformer 1 Port 1000BASE-T 24pin pitch 1.27mm Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	480In Stock 720Expected 11/10/2026	Cut Tape 10,28 € 8,57 € 7,79 € 7,08 € Reel 6,11 € MouseReel Available	Min.: 1 Mult.: 1 : 240	LAN Transformers	LAN Transformer	SMD/SMT		350 uH	4 kVAC	- 40 C	+ 85 C			18.25 mm	15.24 mm	10.02 mm	WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN 10GBase-T SMD 1 Port Transformer 749050010A Wurth Elektronik 1: 6,95 € 835In Stock	Mfr. Part No. 749050010A Mouser Part No 710-749050010A	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN 10GBase-T SMD 1 Port Transformer Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	835In Stock	Cut Tape 6,95 € 6,27 € 6,01 € 5,83 € Reel 5,00 € View 5,65 € 4,75 € MouseReel Available	Min.: 1 Mult.: 1 : 400	LAN Transformers	Module	SMD/SMT		200 uH	1.5 kVAC	0 C	+ 70 C						WE-LAN 10G	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN 10GBase-T SMD 1 Port ETR Trnsfmr 749050017 Wurth Elektronik 1: 11,29 € 939In Stock	Mfr. Part No. 749050017 Mouser Part No 710-749050017	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN 10GBase-T SMD 1 Port ETR Trnsfmr Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	939In Stock	Cut Tape 11,29 € 9,37 € 8,14 € 7,36 € Reel 6,99 € MouseReel Available	Min.: 1 Mult.: 1 : 450	LAN Transformers	LAN	SMD/SMT	100 kHz to 500 MHz	120 uH	1.5 kVAC	- 40 C	+ 85 C	1 Channel		13.97 mm	15.11 mm	6.6 mm	WE-LAN 10G	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN 10GBase-T SMD 1 Port ETR Trnsfmr 749050018 Wurth Elektronik 1: 11,29 € 539In Stock	Mfr. Part No. 749050018 Mouser Part No 710-749050018	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN 10GBase-T SMD 1 Port ETR Trnsfmr Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	539In Stock	Cut Tape 11,29 € 9,37 € 8,14 € 7,36 € Reel 6,99 € MouseReel Available	Min.: 1 Mult.: 1 : 450	LAN Transformers	Module	SMD/SMT	100 kHz to 500 MHz	120 uH	1.5 kVAC	- 40 C	+ 85 C	Single		13.97 mm	15.11 mm	6.6 mm	WE-LAN 10G	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN 10GBase-T SMD 1 Port 4PPoE Trnsfmr 749052050 Wurth Elektronik 1: 13,51 € 839In Stock 870Expected 11/27/2026	Mfr. Part No. 749052050 Mouser Part No 710-749052050	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN 10GBase-T SMD 1 Port 4PPoE Trnsfmr Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	839In Stock 870Expected 11/27/2026	Cut Tape 13,51 € 11,29 € 9,78 € 8,88 € Reel 8,43 € MouseReel Available	Min.: 1 Mult.: 1 : 290	LAN Transformers	Module	SMD/SMT	100 kHz to 500 MHz	180 uH	1.5 kVAC	0 C	+ 70 C	Single		18.29 mm	16 mm	8.8 mm	WE-LAN 10G	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN AQ 1KBaseT 4PPoE 180uH 1500Vrms 749023310 Wurth Elektronik 1: 4,64 € 333In Stock 800Expected 4/9/2027	Mfr. Part No. 749023310 Mouser Part No 710-749023310	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN AQ 1KBaseT 4PPoE 180uH 1500Vrms Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	333In Stock 800Expected 4/9/2027	Cut Tape 4,64 € 4,27 € 3,79 € 3,56 € 3,45 € Reel 2,80 € MouseReel Available	Min.: 1 Mult.: 1 : 800	LAN Transformers	LAN	SMD/SMT		180 uH	1.5 kV	- 40 C	+ 85 C			16.5 mm	10.3 mm	4.1 mm	WE-LANAQ	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN 10/100 Base-T SMD Trnsfmr 1 Port 749010310 Wurth Elektronik / Midcom 1: 4,64 € 5.502On Order	Mfr. Part No. 749010310 Mouser Part No 710-749010310	Wurth Elektronik / Midcom	Audio Transformers / Signal Transformers WE-LAN 10/100 Base-T SMD Trnsfmr 1 Port Learn More about Wurth Elektronik / Midcom wurth WE LAN transformers	Datasheet	5.502On Order On Order Ship Dates Mfr. No: 749010310 Stock: 0 On Order: 1.502 Expected 4/30/2027 1.600 Expected 6/30/2027 2.400 Expected 7/6/2027 Factory Lead Time: 35 Weeks	Cut Tape 4,64 € 4,18 € 3,72 € 3,41 € Reel 2,64 € MouseReel Available	Min.: 1 Mult.: 1 : 800	LAN Transformers	LAN	SMD/SMT	500 kHz to 100 MHz	300 uH	1.5 kVAC	- 40 C	+ 85 C	Single		12.7 mm	8.67 mm	4 mm	WE-LANAQ	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN AQ 10/100BasT 4PPoE 150uH 1500Vrms 749012310 Wurth Elektronik 1: 4,68 € 800Expected 3/5/2027	Mfr. Part No. 749012310 Mouser Part No 710-749012310	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN AQ 10/100BasT 4PPoE 150uH 1500Vrms Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	800Expected 3/5/2027	Cut Tape 4,68 € 4,40 € 4,32 € 3,96 € View Reel 2,80 € 3,55 € 3,51 € 3,47 € 2,80 € MouseReel Available	Min.: 1 Mult.: 1 : 800	LAN Transformers	LAN	SMD/SMT		150 uH	1.5 kV	- 40 C	+ 85 C			12.7 mm	8.67 mm	4 mm	WE-LANAQ	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN 10/100 Base-TX SMT Transformer 1Port 12pin pitch 2.54mm 4KVrms isolation 7490140141 Wurth Elektronik 1: 5,56 € 600Expected 3/19/2027	Mfr. Part No. 7490140141 Mouser Part No 710-7490140141	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN 10/100 Base-TX SMT Transformer 1Port 12pin pitch 2.54mm 4KVrms isolation Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	600Expected 3/19/2027	Cut Tape 5,56 € 5,36 € 5,06 € 4,76 € Reel 4,26 € MouseReel Available	Min.: 1 Mult.: 1 : 300	LAN Transformers	LAN Transformer	SMD/SMT		350 uH	4 kVAC	- 40 C	+ 85 C			17.1 mm	14.5 mm	8.65 mm	WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN AQ 10/100BasT 4PPoE 180uH 1500Vrms 749013310 Wurth Elektronik 1: 4,61 € Non-Stocked Lead-Time 35 Weeks	Mfr. Part No. 749013310 Mouser Part No 710-749013310	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN AQ 10/100BasT 4PPoE 180uH 1500Vrms Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	Non-Stocked Lead-Time 35 Weeks	Cut Tape 4,61 € 4,34 € 4,27 € 3,93 € View Reel 2,77 € 3,55 € 3,53 € 2,77 € MouseReel Available	Min.: 1 Mult.: 1 : 800	LAN Transformers	LAN	SMD/SMT		180 uH	1.5 kV	- 40 C	+ 85 C			12.7 mm	8.67 mm	4 mm	WE-LANAQ	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN 1Port SMD Trnsfmr 749014011 Wurth Elektronik 250: 8,04 € Non-Stocked Lead-Time 16 Weeks	Mfr. Part No. 749014011 Mouser Part No 710-749014011	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN 1Port SMD Trnsfmr Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel 8,04 € 7,77 €	Min.: 250 Mult.: 250 : 250	LAN Transformers	LAN	SMD/SMT		350 uH	4 kVAC	0 C	+ 70 C	Quad	24.55 mm x 18.25 mm x 10.85 mm	24.55 mm	18.25 mm	10.85 mm	WE-LAN	Reel
Audio Transformers / Signal Transformers WE-LAN 10/100 Base-T 1Port SMD Transfrme 749014018 Wurth Elektronik 1.200: 9,03 € Non-Stocked	Mfr. Part No. 749014018 Mouser Part No 710-749014018	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN 10/100 Base-T 1Port SMD Transfrme Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	Non-Stocked	Cut Tape 9,03 €	Min.: 1.200 Mult.: 300 : 300	LAN Transformers	LAN	SMD/SMT	100 kHz to 100 MHz	350 uH	4 kVAC	0 C	+ 70 C	Single		17.1 mm	15.34 mm	8.4 mm	WE-LAN	Reel
Audio Transformers / Signal Transformers 10/100/1000 Base-T SMT Transfmr 1 Port 749020015 Wurth Elektronik 350: 5,43 € Non-Stocked Lead-Time 17 Weeks	Mfr. Part No. 749020015 Mouser Part No 710-749020015	Wurth Elektronik	Audio Transformers / Signal Transformers 10/100/1000 Base-T SMT Transfmr 1 Port Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	Non-Stocked Lead-Time 17 Weeks	Reel 5,43 € 5,08 €	Min.: 350 Mult.: 350 : 350	LAN Transformers	LAN	SMD/SMT		350 uH	1.5 kV	- 40 C	+ 85 C	4 Channel		18.01 mm	13.72 mm	6.73 mm	WE-LAN	Reel
Audio Transformers / Signal Transformers 10G Base-T SMT Transformer 749023020 Wurth Elektronik 300: 4,78 € Non-Stocked Lead-Time 15 Weeks	Mfr. Part No. 749023020 Mouser Part No 710-749023020	Wurth Elektronik	Audio Transformers / Signal Transformers 10G Base-T SMT Transformer Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	Non-Stocked Lead-Time 15 Weeks	Reel 4,78 € 4,72 €	Min.: 300 Mult.: 300 : 300	LAN Transformers	LAN	SMD/SMT		350 uH	1.5 kV								WE-LAN	Reel