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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	Isolation Voltage	Minimum Operating Temperature	Maximum Operating Temperature	Number of Channels	Package/Case	Length	Width	Height	Series	Qualification	Packaging
Audio Transformers / Signal Transformers 350UH LAN 10/100 BASE-T SM91072AL-E Bourns 1: $3.88 12,048In Stock	Mfr. Part No. SM91072AL-E Mouser Part No 652-SM91072AL-E	Bourns	Audio Transformers / Signal Transformers 350UH LAN 10/100 BASE-T Learn More about Bourns SM9107xAL transformers	Datasheet	12,048In Stock	Cut Tape $3.88 $3.52 $3.27 $3.00 View Reel $2.71 $2.89 $2.79 $2.72 $2.71 Quote MouseReel Available	Min.: 1 Mult.: 1 : 3,000	LAN Transformers	LAN	SMD/SMT	1 MHz to 100 MHz	350 uH		- 40 C	+ 125 C	Dual		12.8 mm	6.9 mm	5.65 mm	SM91072AL-E	AEC-Q200	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers SMD Wideband RF Xfmr 75Ohms CX2041NLT Pulse Electronics 1: $3.91 9,122In Stock	Mfr. Part No. CX2041NLT Mouser Part No 673-CX2041NLT	Pulse Electronics	Audio Transformers / Signal Transformers SMD Wideband RF Xfmr 75Ohms	Datasheet	9,122In Stock	Cut Tape $3.91 $2.93 $2.26 $2.19 Reel $2.17 $1.98 MouseReel Available	Min.: 1 Mult.: 1 Max.: 16,000 : 2,000	RF Transformers	Module	SMD/SMT	50 kHz to 450 MHz			- 40 C	+ 85 C	Single		3.81 mm	3.81 mm	2.79 mm	CX		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers DKG1553-75 iNRCORE 1: $55.15 42In Stock	Mfr. Part No. DKG1553-75 Mouser Part No 673-DKG1553-75	iNRCORE	Audio Transformers / Signal Transformers	Datasheet	42In Stock	$55.15 $49.26 $47.08 $43.49 View $42.86 $42.14 Quote	Min.: 1 Mult.: 1	Interface Transformers	Ruggedized	SMD/SMT	75 kHz to 1 MHz			- 55 C	+ 125 C	2 Channel		17.15 mm	10.16 mm	4.7 mm			Tube
Audio Transformers / Signal Transformers 100Base-TX PCMCIA 1-Port NonPoE H0068ANLT Pulse Electronics 1: $6.97 4,025In Stock	Mfr. Part No. H0068ANLT Mouser Part No 673-H0068ANLT	Pulse Electronics	Audio Transformers / Signal Transformers 100Base-TX PCMCIA 1-Port NonPoE	Datasheet	4,025In Stock	Cut Tape $6.97 $6.30 $6.04 $5.66 View Reel $5.04 $5.48 $5.22 $5.21 $5.04 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	LAN Transformers	Module	SMD/SMT	100 kHz to 100 MHz			0 C	+ 70 C	Single		0.5 in	0.347 in	0.082 in			Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH .65Ohms 1-Por H1102FNLT Pulse Electronics 1: $3.77 16,788In Stock	Mfr. Part No. H1102FNLT Mouser Part No 673-H1102FNLT	Pulse Electronics	Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH .65Ohms 1-Por	Datasheet	16,788In Stock	Cut Tape $3.77 $3.40 $3.18 $2.87 Reel $2.59 View $2.75 $2.48 $2.47 $2.42 MouseReel Available	Min.: 1 Mult.: 1 Max.: 4,800 : 600	LAN Transformers	Module	SMD/SMT	100 kHz to 100 MHz	350 uH	1.5 kV	0 C	+ 70 C	Single		0.5 in	0.358 in	6.09 mm			Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH .65Ohms 1-Por H1102NL Pulse Electronics 1: $5.31 9,960In Stock	Mfr. Part No. H1102NL Mouser Part No 673-H1102NL	Pulse Electronics	Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH .65Ohms 1-Por Learn More about Pulse Electronics pulselantrans	Datasheet	9,960In Stock	$5.31 $4.51 $3.79 $3.71 View $3.66 $3.49	Min.: 1 Mult.: 1 Max.: 320	LAN Transformers	Module	SMD/SMT	100 kHz to 100 MHz	350 uH	1.5 kV	0 C	+ 70 C	Single		12.7 mm	9.53 mm	6.09 mm			Tube
Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH .65Ohms 1-Por H1102NLT Pulse Electronics 1: $3.91 21,678In Stock 1,200Expected 10/05/2027	Mfr. Part No. H1102NLT Mouser Part No 673-H1102NLT	Pulse Electronics	Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH .65Ohms 1-Por Learn More about Pulse Electronics pulselantrans	Datasheet	21,678In Stock 1,200Expected 10/05/2027	Cut Tape $3.91 $3.45 $3.27 $2.81 Reel $2.33 View $2.69 $2.19 MouseReel Available	Min.: 1 Mult.: 1 Max.: 4,800 : 600	LAN Transformers	Module	SMD/SMT	100 kHz to 100 MHz	350 uH	1.5 kV	0 C	+ 70 C	Single		12.7 mm	9.53 mm	6.09 mm			Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 1-Por H5007NL Pulse Electronics 1: $8.12 3,572In Stock	Mfr. Part No. H5007NL Mouser Part No 673-H5007NL	Pulse Electronics	Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 1-Por Learn More about Pulse Electronics pulselantrans	Datasheet	3,572In Stock	$8.12 $7.37 $6.03 $5.90 $5.81	Min.: 1 Mult.: 1 Max.: 200	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	H5007		Tube
Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 1-Por H5007NLT Pulse Electronics 1: $8.30 7,808In Stock	Mfr. Part No. H5007NLT Mouser Part No 673-H5007NLT	Pulse Electronics	Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 1-Por Learn More about Pulse Electronics pulselantrans	Datasheet	7,808In Stock	Cut Tape $8.30 $7.49 $7.17 $6.83 Reel $6.00 View $6.63 $5.89 MouseReel Available	Min.: 1 Mult.: 1 Max.: 2,400 : 300	LAN Transformers	Module	SMD/SMT	1 MHz to 100 MHz	350 uH	1.5 kV	0 C	+ 70 C	Single		17.53 mm	16 mm	5.51 mm	H5007		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1000BaseT 350uH .650hms 1-P AEC-Q200 HM5004ENL Pulse Electronics 1: $10.04 5,329In Stock	Mfr. Part No. HM5004ENL Mouser Part No 673-HM5004ENL	Pulse Electronics	Audio Transformers / Signal Transformers 1000BaseT 350uH .650hms 1-P AEC-Q200 Learn More about Pulse Electronics pulse automotive communications	Datasheet	5,329In Stock	$10.04 $9.05 $8.93 $8.61 View $8.28 $7.80 $7.79 $7.55 Quote	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	1 MHz to 125 MHz	350 uH	1.5 kV	- 40 C	+ 105 C	Single		17.526 mm	16.002 mm	5.715 mm	HM	AEC-Q200	Tube
Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH 1-Port HX1188FNLT Pulse Electronics 1: $3.84 14,492In Stock	Mfr. Part No. HX1188FNLT Mouser Part No 673-HX1188FNLT	Pulse Electronics	Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH 1-Port Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	14,492In Stock	Cut Tape $3.84 $3.47 $3.24 $2.84 Reel $2.49 View $2.72 $2.42 $2.38 MouseReel Available	Min.: 1 Mult.: 1 Max.: 4,800 : 600	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	5.97 mm	HX		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 4-Port HX1234NLT Pulse Electronics 1: $14.18 2,235In Stock	Mfr. Part No. HX1234NLT Mouser Part No 673-HX1234NLT	Pulse Electronics	Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 4-Port Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	2,235In Stock	Cut Tape $14.18 $12.72 $11.53 $11.22 Reel $10.60 View $11.00 $10.22 Quote MouseReel Available	Min.: 1 Mult.: 1 : 250	LAN Transformers	Module	SMD/SMT	100 kHz to 100 MHz	350 uH	1.5 kV	- 40 C	+ 85 C	Quad		28.58 mm	16.002 mm	5.84 mm	HX		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 1-Por HX5004NLT Pulse Electronics 1: $9.90 5,221In Stock	Mfr. Part No. HX5004NLT Mouser Part No 673-HX5004NLT	Pulse Electronics	Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 1-Por Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	5,221In Stock	Cut Tape $9.90 $8.79 $8.37 $8.19 Reel $7.32 View $7.93 $7.05 $7.04 Quote MouseReel Available	Min.: 1 Mult.: 1 Max.: 2,400 : 300	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	HX5004		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1000BaseT SMD PoE 325uH 1-Port HX5008NL Pulse Electronics 1: $12.20 6,145In Stock	Mfr. Part No. HX5008NL Mouser Part No 673-HX5008NL	Pulse Electronics	Audio Transformers / Signal Transformers 1000BaseT SMD PoE 325uH 1-Port Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	6,145In Stock	$12.20 $11.15 $9.40 $9.16 View $9.05 $8.98	Min.: 1 Mult.: 1 Max.: 280	LAN Transformers	Module	SMD/SMT	1 MHz to 100 MHz	350 uH	1.5 kV	- 40 C	+ 85 C	Single		13.64 mm	13.64 mm	5.72 mm	HX		Tube
Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 325uH 1-Port HX5008NLT Pulse Electronics 1: $7.75 3,195In Stock 4,900Expected 05/01/2027	Mfr. Part No. HX5008NLT Mouser Part No 673-HX5008NLT	Pulse Electronics	Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 325uH 1-Port Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	3,195In Stock 4,900Expected 05/01/2027	Cut Tape $7.75 $7.00 $6.72 $6.51 Reel $6.04 View $6.31 $5.96 $5.71 Quote MouseReel Available	Min.: 1 Mult.: 1 Max.: 2,800 : 350	LAN Transformers	Module	SMD/SMT	1 MHz to 100 MHz	350 uH	1.5 kV	- 40 C	+ 85 C	Single		13.64 mm	18.8 mm	5.72 mm	HX		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH 1-Port HX5084FNL Pulse Electronics 1: $7.50 3,222In Stock	Mfr. Part No. HX5084FNL Mouser Part No 673-HX5084FNL	Pulse Electronics	Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH 1-Port Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	3,222In Stock	$7.50 $6.71 $5.88 $5.74 View $5.52 $5.50 $5.21 $5.16	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	100 kHz to 100 MHz	350 uH	1.5 kV	- 40 C	+ 85 C	Single		15.24 mm	9.78 mm	4.14 mm	HX		Tube
Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH 1-Port HX5084NL Pulse Electronics 1: $7.48 3,727In Stock	Mfr. Part No. HX5084NL Mouser Part No 673-HX5084NL	Pulse Electronics	Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH 1-Port Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	3,727In Stock	$7.48 $6.64 $6.22 $5.97 View $5.76 $5.53 $5.43 $5.32 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		0.6 in	0.3 in	0.163 in	Discrete LAN		Tube
Audio Transformers / Signal Transformers 10/100/1000 Base-T 350uH 1:1 SMD HX5084NLT Pulse Electronics 1: $7.25 4,244In Stock 9,100Expected 24/11/2026	Mfr. Part No. HX5084NLT Mouser Part No 673-HX5084NLT	Pulse Electronics	Audio Transformers / Signal Transformers 10/100/1000 Base-T 350uH 1:1 SMD	Datasheet	4,244In Stock 9,100Expected 24/11/2026	Cut Tape $7.25 $6.55 $6.28 $5.61 Reel $4.82 View $5.45 $5.20 $4.61 MouseReel Available	Min.: 1 Mult.: 1 Max.: 5,600 : 700	LAN Transformers		SMD/SMT	100 kHz to 100 MHz	350 uH	1.5 kV	- 40 C	+ 85 C	Quad		0.6 in	0.3 in	0.163 in	LAN 10/100/1000 Base-T		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1000Base-T NonPoE 350uH .65Ohms 1-Port HX5120NL Pulse Electronics 1: $18.28 4,153In Stock	Mfr. Part No. HX5120NL Mouser Part No 673-HX5120NL	Pulse Electronics	Audio Transformers / Signal Transformers 1000Base-T NonPoE 350uH .65Ohms 1-Port Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	4,153In Stock	$18.28 $16.99 $16.22 $15.83 View $15.62 $14.96 $14.51	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	100 MHz	350 uH	1.5 kV	- 40 C	+ 85 C	Single		16.51 mm	9.14 mm	2.08 mm	1000Base-T		Tube
Audio Transformers / Signal Transformers ETH1 60W 4pairs PoE+ Magnetic Module ETH1-460LD Coilcraft 1: $18.85 2,832In Stock	Mfr. Part No. ETH1-460LD Mouser Part No 994-ETH1-460LD	Coilcraft	Audio Transformers / Signal Transformers ETH1 60W 4pairs PoE+ Magnetic Module Learn More about Coilcraft eth1 xl transformers	Datasheet	2,832In Stock	Cut Tape $18.85 $16.13 Reel $16.13 $12.31 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		18.6 mm	16.5 mm	10.16 mm	ETH1		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers POE300F Flyback PoE+ 30uH 24 V 1.25 A POE300F-24LD Coilcraft 1: $7.48 381In Stock	Mfr. Part No. POE300F-24LD Mouser Part No 994-POE300F-24LD	Coilcraft	Audio Transformers / Signal Transformers POE300F Flyback PoE+ 30uH 24 V 1.25 A Learn More about Coilcraft poe300f flyback transformers	Datasheet	381In Stock	Cut Tape $7.48 $6.39 $6.16 Reel $5.23 $5.04 $4.89 MouseReel Available	Min.: 1 Mult.: 1 : 175	PoE Transformers	Flyback	SMD/SMT	250 kHz			- 40 C	+ 125 C	Single		21 mm	20.57 mm	11.43 mm	POE300F		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers POE30P Flyback PoE 3uH 12 V 0.25 A POE30P-12LD Coilcraft 1: $3.08 2,353In Stock	Mfr. Part No. POE30P-12LD Mouser Part No 994-POE30P-12LD	Coilcraft	Audio Transformers / Signal Transformers POE30P Flyback PoE 3uH 12 V 0.25 A Learn More about Coilcraft poexp flyback transformers	Datasheet	2,353In Stock	Cut Tape $3.08 $2.50 $2.40 $2.25 Reel $2.17 View $2.11 $2.01 $1.95 $1.89 MouseReel Available	Min.: 1 Mult.: 1 : 350	PoE Transformers	Flyback	SMD/SMT	250 kHz			- 40 C	+ 85 C	Single		10.92 mm	8.6 mm	9.02 mm	POE30P		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers PWB Wideband RF 1:4 0.150-500 MHz PWB-4-ALC Coilcraft 1: $3.00 986In Stock	Mfr. Part No. PWB-4-ALC Mouser Part No 994-PWB-4-ALC	Coilcraft	Audio Transformers / Signal Transformers PWB Wideband RF 1:4 0.150-500 MHz	Datasheet	986In Stock	Cut Tape $3.00 $2.48 Reel $2.11 $2.05 $1.95 View $1.89 $1.83 MouseReel Available	Min.: 1 Mult.: 1 : 250	RF Transformers		SMD/SMT	150 kHz to 500 MHz			- 40 C	+ 85 C	Single		6.77 mm	6.48 mm	4.45 mm	PWB		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:16 0.600-300 MHz WBC16-1TLC Coilcraft 1: $6.33 7,731In Stock	Mfr. Part No. WBC16-1TLC Mouser Part No 994-WBC16-1TLC	Coilcraft	Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:16 0.600-300 MHz	Datasheet	7,731In Stock	Cut Tape $6.33 $4.92 $4.72 $4.58 Reel $3.91 View $4.42 $4.18 $4.04 $3.88 MouseReel Available	Min.: 1 Mult.: 1 : 750	RF Transformers		SMD/SMT				- 40 C	+ 85 C			4.45 mm	4.19 mm	3.05 mm	WBC		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-SPE 1:1 2.2mH 8Pins 749070011 Wurth Elektronik 1: $2.14 773In Stock New Product	Mfr. Part No. 749070011 Mouser Part No 710-749070011 New Product	Wurth Elektronik	Audio Transformers / Signal Transformers WE-SPE 1:1 2.2mH 8Pins Learn More about Wurth Elektronik wurth we spe signal transformers	Datasheet	773In Stock	Cut Tape $2.14 $1.85 $1.75 $1.65 Reel $1.53 View $1.58 $1.49 MouseReel Available	Min.: 1 Mult.: 1 : 650	Signal Transformer		SMD/SMT		2.2 mH	2.25 kVDC	- 40 C	+ 125 C	1 Channel	SMD-8	6.5 mm	6.1 mm	5.46 mm	WE-SPE		Reel, Cut Tape, MouseReel