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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 (USD) 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	Qualification	Packaging
Audio Transformers / Signal Transformers WE-LAN 10/100/1000 1Port ETR Base T SMD 7490220120 Wurth Elektronik 1: $5.94 2,923In 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	2,923In Stock 2,000Expected 29/01/2027	Cut Tape $5.94 $5.73 $5.38 $5.07 Reel $4.55 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: $6.47 1,411In 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	1,411In Stock 1,280Expected 29/01/2027	Cut Tape $6.47 $6.24 $5.86 $5.51 Reel $4.91 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: $6.47 2,337In 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	2,337In Stock 1,740Expected 20/11/2026	Cut Tape $6.47 $6.24 $5.86 $5.51 Reel $4.91 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: $5.28 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 $5.28 $4.86 $4.32 $3.97 Reel $3.07 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: $11.95 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 $11.95 $9.96 $9.06 $8.23 Reel $7.77 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: $11.95 480In Stock 720Expected 10/11/2026	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 10/11/2026	Cut Tape $11.95 $9.96 $9.06 $8.23 Reel $7.10 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: $8.08 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 $8.08 $7.29 $6.99 $6.78 Reel $5.81 View $6.57 $5.52 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: $13.13 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 $13.13 $10.90 $9.47 $8.56 Reel $8.13 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: $13.13 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 $13.13 $10.90 $9.47 $8.56 Reel $8.13 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: $15.71 839In Stock 870Expected 20/11/2026	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 20/11/2026	Cut Tape $15.71 $13.13 $11.37 $10.32 Reel $9.80 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-STST ADIN1110 4532 350uH PoE 74930030 Wurth Elektronik 1: $2.16 5,332In Stock 10,000On Order	Mfr. Part No. 74930030 Mouser Part No 710-74930030	Wurth Elektronik	Audio Transformers / Signal Transformers WE-STST ADIN1110 4532 350uH PoE Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	5,332In Stock 10,000On Order On Order Ship Dates Mfr. No: 74930030 Stock: 5,332 Can Dispatch Immediately On Order: 2,000 Expected 18/12/2026 8,000 Expected 22/01/2027 Factory Lead Time: 35 Weeks	Cut Tape $2.16 $1.78 $1.46 Reel $1.38 MouseReel Available	Min.: 1 Mult.: 1 Max.: 16,000 : 2,000	PoE Transformers	LAN	SMD/SMT		350 uH			1.5 kV	- 40 C	+ 105 C	Single	1812 (4532 metric)	4.7 mm	3.22 mm	2.9 mm	WE-STST		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-STST 4532 120uH 1Ch Sgl Pair Ether 74930100 Wurth Elektronik 1: $1.55 7,804In 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	7,804In Stock	Cut Tape $1.55 $1.49 Reel $1.41 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
Audio Transformers / Signal Transformers WE-STST 4532 110uH PoE 74930130 Wurth Elektronik 1: $2.34 2,850In Stock	Mfr. Part No. 74930130 Mouser Part No 710-74930130	Wurth Elektronik	Audio Transformers / Signal Transformers WE-STST 4532 110uH PoE Learn More about Wurth Elektronik wurth single pair ethernet signal transformers	Datasheet	2,850In Stock	Cut Tape $2.34 $2.18 $2.09 $2.03 View Reel $1.31 $1.82 $1.73 $1.66 $1.58 $1.31 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PoE Transformers	LAN	SMD/SMT		110 uH			1.5 kV	- 40 C	+ 105 C	Single	1812 (4532 metric)	4.7 mm	3.22 mm	2.9 mm	WE-STST		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-BMS SMT Transfomr 1Ch -40C/+125C AEC-Q200 74941300 Wurth Elektronik 1: $3.61 964In Stock 1,300Expected 16/04/2027	Mfr. Part No. 74941300 Mouser Part No 710-74941300	Wurth Elektronik	Audio Transformers / Signal Transformers WE-BMS SMT Transfomr 1Ch -40C/+125C AEC-Q200 Learn More about Wurth Elektronik wurth transformers battery management systems	Datasheet	964In Stock 1,300Expected 16/04/2027	Cut Tape $3.61 $3.12 $2.83 $2.54 Reel $2.26 MouseReel Available	Min.: 1 Mult.: 1 : 650	SMT transformer		SMD/SMT		450 uH				- 40 C	+ 125 C	1 Channel		8.9 mm	7.6 mm	5.5 mm	WE-BMS	AEC-Q200	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-BMS SMT Transfomr 1Ch -40C/+125C AEC-Q200 74941302 Wurth Elektronik 1: $3.61 1,008In Stock	Mfr. Part No. 74941302 Mouser Part No 710-74941302	Wurth Elektronik	Audio Transformers / Signal Transformers WE-BMS SMT Transfomr 1Ch -40C/+125C AEC-Q200 Learn More about Wurth Elektronik wurth transformers battery management systems	Datasheet	1,008In Stock	Cut Tape $3.61 $3.12 $2.83 $2.54 Reel $2.26 MouseReel Available	Min.: 1 Mult.: 1 : 850	SMT transformer		SMD/SMT		450 uH				- 40 C	+ 125 C	1 Channel		14.3 mm	9.5 mm	3.45 mm	WE-BMS	AEC-Q200	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 45 to 1000Mhz 1:1 Transformer RFXF0006HSR Qorvo 1: $8.62 346In Stock	Mfr. Part No. RFXF0006HSR Mouser Part No 772-RFXF0006HSR	Qorvo	Audio Transformers / Signal Transformers 45 to 1000Mhz 1:1 Transformer	Datasheet	346In Stock	Cut Tape $8.62 $6.68 $6.66 Reel $5.66 $5.45 View $5.42 Quote	Min.: 1 Mult.: 1 : 100	LAN Transformers		SMD/SMT	45 MHz to 1.2 GHz					- 40 C	+ 100 C		SP5	3.45 mm	2 mm	3.5 mm	RFXF0006H		Reel, Cut Tape
Audio Transformers / Signal Transformers LAN 1 Port 10/100 Base-TX T,C ALANL100X1-EF10JT ABRACON 1: $2.54 3,626In Stock	Mfr. Part No. ALANL100X1-EF10JT Mouser Part No 815-ALANL100X1EF10JT	ABRACON	Audio Transformers / Signal Transformers LAN 1 Port 10/100 Base-TX T,C Learn More about ABRACON alanl100x1	Datasheet	3,626In Stock	Cut Tape $2.54 $2.30 $2.12 $2.08 Reel $1.70 View $1.99 $1.93 $1.75 $1.64 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	LAN Transformers	LAN	SMD/SMT		350 uH				- 40 C	+ 105 C			12.7 mm	7.1 mm	2.1 mm	ALANL100X1		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers LAN 1 Port 10/100 Base-TX T,C ALANL100X1-EF62DT ABRACON 1: $3.25 4,254In Stock	Mfr. Part No. ALANL100X1-EF62DT Mouser Part No 815-ALANL100X1EF62DT	ABRACON	Audio Transformers / Signal Transformers LAN 1 Port 10/100 Base-TX T,C Learn More about ABRACON alanl100x1	Datasheet	4,254In Stock	Cut Tape $3.25 $2.88 $2.72 $2.59 Reel $2.19 View $2.49 $2.42 $2.32 $2.11 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	LAN Transformers	LAN	SMD/SMT	500 kHz to 100 MHz	350 uH				- 40 C	+ 85 C	Dual		12.7 mm	7.1 mm	2.1 mm	ALANL100X1		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers THROUGH HOLE 600CT:600CT MET-31 Tamura 1: $12.63 590In Stock 1,650Expected 08/04/2027	Mfr. Part No. MET-31 Mouser Part No 838-MET-31	Tamura	Audio Transformers / Signal Transformers THROUGH HOLE 600CT:600CT	Datasheet	590In Stock 1,650Expected 08/04/2027	$12.63 $11.74 $10.97 $10.67 View $10.41 $9.96 $9.65 $9.54	Min.: 1 Mult.: 1	Audio Transformers		Terminals	300 Hz to 100 kHz		600 Ohms	600 Ohms	1 kV	- 20 C	+ 85 C			10.4 mm	7.87 mm	11.8 mm	MET		Tube
Audio Transformers / Signal Transformers THROUGH HOLE 600CT:8 MET-35 Tamura 1: $12.76 383In Stock	Mfr. Part No. MET-35 Mouser Part No 838-MET-35	Tamura	Audio Transformers / Signal Transformers THROUGH HOLE 600CT:8	Datasheet	383In Stock	$12.76 $11.84 $11.06 $10.67 View $10.42 $9.92 $9.89 $9.56	Min.: 1 Mult.: 1	Audio Transformers		Terminals	300 Hz to 100 kHz		600 Ohms	8 Ohms	1 kV	- 20 C	+ 85 C			10.4 mm	7.87 mm	11.8 mm	MET		Tube
Audio Transformers / Signal Transformers THROUGH HOLE 500:50 3.0MADC MET-39 Tamura 1: $12.16 321In Stock	Mfr. Part No. MET-39 Mouser Part No 838-MET-39	Tamura	Audio Transformers / Signal Transformers THROUGH HOLE 500:50 3.0MADC	Datasheet	321In Stock	$12.16 $10.96 $10.52 $10.19 View $9.87 $9.46 $9.16 $8.86	Min.: 1 Mult.: 1	Audio Transformers		Terminals	300 Hz to 100 kHz		500 Ohms	50 Ohms	500 V	- 20 C	+ 85 C			10.4 mm	7.87 mm	11.8 mm	MET		Tube
Audio Transformers / Signal Transformers 330nH 100mOhm 3000VAC AEC-Q200 B78308A2461A003 TDK 1: $5.61 950In Stock	Mfr. Part No. B78308A2461A003 Mouser Part No 871-B78308A2461A003	TDK	Audio Transformers / Signal Transformers 330nH 100mOhm 3000VAC AEC-Q200 Learn More about TDK epcos e13 emhv transformers	Datasheet	950In Stock	Cut Tape $5.61 $4.98 $4.81 $4.41 Reel $4.17 View $4.03 $3.76 MouseReel Available	Min.: 1 Mult.: 1 : 190	Signal Transformers		SMD/SMT	100 kHz to 400 kHz	330 nH				- 40 C	+ 150 C			12.9 mm	11 mm	11.4 mm	E13 EMHV	AEC-Q200	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Transformer 1:1 flux coupled MABA-011026 MACOM 1: $1.88 3,405In Stock	Mfr. Part No. MABA-011026 Mouser Part No 937-MABA-011026	MACOM	Audio Transformers / Signal Transformers Transformer 1:1 flux coupled	Datasheet	3,405In Stock	Cut Tape $1.88 $1.71 $1.59 $1.55 Reel $1.34 View $1.48 $1.44 $1.39 $1.30	Min.: 1 Mult.: 1 : 2,000	Baluns		SMD/SMT	5 MHz to 200 MHz		75 Ohms			- 40 C	+ 100 C	Single		4.21 mm	2.6 mm	3.53 mm			Reel, Cut Tape
Audio Transformers / Signal Transformers 2-1000MHz IL 4dB Impedance Ratio 1:4 MABA-007569-ETK42T MACOM 1: $3.82 5,399In Stock	Mfr. Part No. MABA-007569-ETK42T Mouser Part No 937-MABA007569ETK42T	MACOM	Audio Transformers / Signal Transformers 2-1000MHz IL 4dB Impedance Ratio 1:4	Datasheet	5,399In Stock	Cut Tape $3.82 $2.86 $2.15 $1.93 Reel $1.57 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	RF Transformers		SMD/SMT	2 MHz to 1 GHz		50 Ohms			- 40 C	+ 85 C	Single	SM-22-5	3.81 mm	3.81 mm	2.67 mm	MABA		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 3-800MHz Il 1.5dB Impedance Ratio 1:4 MABA-009488-61HWCA MACOM 1: $2.02 1,632In Stock	Mfr. Part No. MABA-009488-61HWCA Mouser Part No 937-MABA00948861HWCA	MACOM	Audio Transformers / Signal Transformers 3-800MHz Il 1.5dB Impedance Ratio 1:4	Datasheet	1,632In Stock	Cut Tape $2.02 $1.84 $1.71 $1.66 Reel $1.44 View $1.59 $1.54 $1.50 $1.40 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	RF Transformers		SMD/SMT	3 MHz to 800 MHz		50 Ohms			- 40 C	+ 85 C	Single		3.81 mm	3.81 mm	2.78 mm	MABA		Reel, Cut Tape, MouseReel