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Audio Transformers / Signal Transformers

Audio Transformers & Signal Transformers are available at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many signal and audio transformer manufacturers including Bourns, Coilcraft, HALO, Mini-Circuits, Pulse, Triad, Wurth, Xicon & more. Please view our large selection of audio transformers and signal transformers below.

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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 10/100 Base-TX SMT Transformer 1 Port 7490100111B Wurth Elektronik 1: €3.37 1,719In Stock	Mfr. Part No. 7490100111B Mouser Part No 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	1,719In Stock	Cut Tape €3.37 €3.05 €2.85 €2.63 Reel €1.80 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: €3.37 1,296In Stock	Mfr. Part No. 749010012A Mouser Part No 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	1,296In Stock	Cut Tape €3.37 €3.05 €2.85 €2.63 Reel €1.80 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: €3.04 871In Stock	Mfr. Part No. 7490100161A Mouser Part No 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	871In Stock	Cut Tape €3.04 €2.74 €2.64 €2.55 Reel €2.28 View €2.48 €2.37 €2.17 €2.12 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 10/100 Base-T SMD Trnsfmr 1 Port 749010310 Wurth Elektronik / Midcom 1: €4.64 1,488In Stock 1,600Expected 30/04/2027	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	1,488In Stock 1,600Expected 30/04/2027	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 DP83822 10/100 Base-T 1Port SMD Transfrme 7490120110 Wurth Elektronik / Midcom 1: €4.40 1,660In Stock 2,600On Order	Mfr. Part No. 7490120110 Mouser Part No 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	1,660In Stock 2,600On Order On Order Ship Dates Mfr. No: 7490120110 Stock: 1,660 Can Dispatch Immediately On Order: 650 Expected 30/10/2026 1,950 Expected 29/01/2027 Factory Lead Time: 14 Weeks	Cut Tape €4.40 €4.08 €3.71 €3.36 Reel €2.91 €2.64 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: €3.38 2,994In Stock 3,000Expected 26/10/2026	Mfr. Part No. 749013011A Mouser Part No 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	2,994In Stock 3,000Expected 26/10/2026	Cut Tape €3.38 €3.13 €2.87 €2.67 Reel €2.00 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: €14.37 221In Stock 200Expected 12/11/2026	Mfr. Part No. 7490140112 Mouser Part No 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	221In Stock 200Expected 12/11/2026	Cut Tape €14.37 €13.86 €13.09 €12.32 Reel €11.36 €10.60 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
Audio Transformers / Signal Transformers WE-LAN 10/100BaseT nonPoE 350uH 2500Vrm 7490140117C Wurth Elektronik 1: €5.13 1,314In 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	1,314In 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 705In 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	705In 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 700In 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	700In 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 3,274In 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	3,274In 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 1,955In Stock 1,200Expected 05/02/2027	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	1,955In Stock 1,200Expected 05/02/2027	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 3,073In Stock 2,000Expected 29/01/2027	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	3,073In Stock 2,000Expected 29/01/2027	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 1,501In Stock 1,280Expected 29/01/2027	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	1,501In Stock 1,280Expected 29/01/2027	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 2,350In Stock 1,740Expected 20/11/2026	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	2,350In Stock 1,740Expected 20/11/2026	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 13/11/2026	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 13/11/2026	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 435In Stock 400Expected 06/11/2026	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	435In Stock 400Expected 06/11/2026	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 489In Stock 450Expected 26/10/2026	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	489In Stock 450Expected 26/10/2026	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 13/11/2026	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 13/11/2026	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 2.5G/5G Base-T SMT 1 Port 120uH OCL a. 27mA DC Bias ETR from -40C to +85C 749082010 Wurth Elektronik 1: €13.20 865In Stock	Mfr. Part No. 749082010 Mouser Part No 710-749082010	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN 2.5G/5G Base-T SMT 1 Port 120uH OCL a. 27mA DC Bias ETR from -40C to +85C Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	865In Stock	Cut Tape €13.20 €12.12 €10.93 €9.92 Reel €8.62 MouseReel Available	Min.: 1 Mult.: 1 : 290	LAN Transformers	LAN Transformer	SMD/SMT		350 uH	1.5 kV	- 40 C	+ 85 C			18.29 mm	16 mm	8.8 mm	WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-STST 4532 120uH 1Ch Sgl Pair Ether 74930100 Wurth Elektronik 1: €1.33 8,012In Stock	Mfr. Part No. 74930100 Mouser Part No 710-74930100	Wurth Elektronik	Audio Transformers / Signal Transformers WE-STST 4532 120uH 1Ch Sgl Pair Ether Learn More about Wurth Elektronik wurth single pair ethernet signal transformers	Datasheet	8,012In Stock	Cut Tape €1.33 €1.28 Reel €1.21 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	Signal Transformers	LAN	SMD/SMT		120 uH	1.5 kV	- 40 C	+ 105 C	Single		4.7 mm	3.22 mm	2.9 mm	WE-STST	Reel, Cut Tape, MouseReel