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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 BALUN RF SGL RAC 1:1CT CX2041ANLT Pulse Electronics 1: $3.52 1,713In Stock	Mfr. Part No. CX2041ANLT Mouser Part No 673-CX2041ANLT	Pulse Electronics	Audio Transformers / Signal Transformers BALUN RF SGL RAC 1:1CT		1,713In Stock	Cut Tape $3.52 $2.86 $2.28 $2.06 Reel $1.67 View $2.00 $1.99 $1.98 $1.65	Min.: 1 Mult.: 1 : 2,000	RF Transformers		SMD/SMT						- 40 C	+ 85 C	Single		3.81 mm	3.81 mm	2.79 mm	CX		Reel, Cut Tape
Audio Transformers / Signal Transformers 10GBase-T SMD NonPoE 200uH 1-Port H7008NL Pulse Electronics 1: $9.48 355In Stock	Mfr. Part No. H7008NL Mouser Part No 673-H7008NL	Pulse Electronics	Audio Transformers / Signal Transformers 10GBase-T SMD NonPoE 200uH 1-Port	Datasheet	355In Stock	$9.48 $8.55 $8.08 $7.83 View $6.61 $6.38 $6.25 $6.14 Quote	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	1 MHz to 500 MHz	200 uH	1 Ohms	1 Ohms	1.5 kV	0 C	+ 70 C	Single		13.7 mm	12.2 mm	5.72 mm			Tube
Audio Transformers / Signal Transformers THT T3/DS3/E3/STS-1 40uH 1-Port PE-68629NL Pulse Electronics 1: $8.40 1,901In Stock	Mfr. Part No. PE-68629NL Mouser Part No 673-PE-68629NL	Pulse Electronics	Audio Transformers / Signal Transformers THT T3/DS3/E3/STS-1 40uH 1-Port	Datasheet	1,901In Stock	$8.40 $7.57 $7.26 $6.97 View $6.76 $6.48 $5.57 $5.19 $5.11	Min.: 1 Mult.: 1	Telecom Transformers	Module	Through Hole	500 MHz	100 nH			3 kV	0 C	+ 70 C	Single		12.7 mm	8.89 mm	6.35 mm			Tube
Audio Transformers / Signal Transformers SMD ISDN S-Interface 22mH 4.2Ohms 2-Port T5007NLT Pulse Electronics 1: $10.23 400In Stock	Mfr. Part No. T5007NLT Mouser Part No 673-T5007NL673-T	Pulse Electronics	Audio Transformers / Signal Transformers SMD ISDN S-Interface 22mH 4.2Ohms 2-Port	Datasheet	400In Stock	Cut Tape $10.23 $9.04 $8.61 $8.46 Reel $7.85 View $8.19 $7.61 $7.37 MouseReel Available	Min.: 1 Mult.: 1 : 200	ISDN Transformers	Module	SMD/SMT			2.4 Ohms	4.2 Ohms	2 kV	0 C	+ 70 C	Dual		24.13 mm	14.73 mm	7.37 mm			Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers V263 E6.3 SMD TRANSFORMER B78304B1032A003 TDK 1: $6.75 782In Stock	Mfr. Part No. B78304B1032A003 Mouser Part No 871-B78304B1032A3	TDK	Audio Transformers / Signal Transformers V263 E6.3 SMD TRANSFORMER	Datasheet	782In Stock	Cut Tape $6.75 $6.16 $5.49 $5.40 Reel $4.71 View $5.07 $4.90 $4.76 $4.16 MouseReel Available	Min.: 1 Mult.: 1 : 900													8 mm	7 mm	5.7 mm	B78304B		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1000Base-T SMD PoE 350uH .65Ohms 1-Port H6062FNLT Pulse Electronics 1: $6.11 438In Stock	Mfr. Part No. H6062FNLT Mouser Part No 673-H6062FNLT	Pulse Electronics	Audio Transformers / Signal Transformers 1000Base-T SMD PoE 350uH .65Ohms 1-Port Learn More about Pulse Electronics pulse poe solutions	Datasheet	438In Stock	Cut Tape $6.11 $5.21 $5.00 $4.84 Reel $3.86 View $4.33 $3.76 $3.48 $3.42	Min.: 1 Mult.: 1 : 300	LAN Transformers	Module	SMD/SMT	1 MHz to 100 MHz	350 uH			1.5 kV	0 C	+ 70 C	Single		17.5 mm	15.24 mm	5.72 mm			Reel, Cut Tape
Audio Transformers / Signal Transformers 10/100Base-T SMD 1-Port HX1178NL Pulse Electronics 1: $8.11 357In Stock	Mfr. Part No. HX1178NL Mouser Part No 673-HX1178NL	Pulse Electronics	Audio Transformers / Signal Transformers 10/100Base-T SMD 1-Port Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	357In Stock	$8.11 $7.11 $6.54 $6.04 View $5.70 $5.42 $5.40 $5.30 $5.28	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	100 kHz to 100 MHz	350 uH			1.5 kV	- 40 C	+ 85 C	Single		25.4 mm	12.83 mm	6.22 mm			Tube
Audio Transformers / Signal Transformers 100Base-TX SMD PoE 350uH .65Ohms 1-Port HX2260FNLT Pulse Electronics 1: $4.11 934In Stock	Mfr. Part No. HX2260FNLT Mouser Part No 673-HX2260FNLT	Pulse Electronics	Audio Transformers / Signal Transformers 100Base-TX SMD PoE 350uH .65Ohms 1-Port Learn More about Pulse Electronics pulse poe solutions	Datasheet	934In Stock	Cut Tape $4.11 $3.72 $3.47 $2.76 Reel $2.67 View $2.69 $2.37 $2.34	Min.: 1 Mult.: 1 : 600	LAN Transformers	Module	SMD/SMT	1 MHz to 125 MHz					- 40 C	+ 85 C	Single		12.7 mm	9.09 mm	5.99 mm	HX		Reel, Cut Tape
Audio Transformers / Signal Transformers 100Base-T SMD NonPoE .6Ohms 1-Port PE-68515LNLT Pulse Electronics 1: $7.34 1,759In Stock	Mfr. Part No. PE-68515LNLT Mouser Part No 673-PE-68515LNLT	Pulse Electronics	Audio Transformers / Signal Transformers 100Base-T SMD NonPoE .6Ohms 1-Port	Datasheet	1,759In Stock	Cut Tape $7.34 $6.63 $6.36 $6.16 Reel $5.55 View $5.85 $5.42 $4.65 MouseReel Available	Min.: 1 Mult.: 1 : 160	LAN Transformers	Module	SMD/SMT	100 kHz to 100 MHz				1.5 kV	0 C	+ 70 C	Single		25.4 mm	12.95 mm	9.4 mm			Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers DIGITAL AUDIO TRANSFORMER DA102JC-R Murata Power Solutions 1: $2.14 4,465In Stock 5,000Expected 2026/12/14	Mfr. Part No. DA102JC-R Mouser Part No 580-DA102JC-R	Murata Power Solutions	Audio Transformers / Signal Transformers DIGITAL AUDIO TRANSFORMER Learn More about Murata Power Solutions MurataDA100J	Datasheet	4,465In Stock 5,000Expected 2026/12/14	Cut Tape $2.14 $1.94 $1.81 $1.76 Reel $1.50 View $1.67 $1.43 $1.36 MouseReel Available	Min.: 1 Mult.: 1 : 500	Audio Transformers		SMD/SMT	50 Hz to 60 Hz	1.9 mH to 4 mH	110 Ohms		2 kV	- 40 C	+ 85 C	Single	SMD-6	9.52 mm	9 mm	6.35 mm	DA100J		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH 1-port HX5004ENL Pulse Electronics 1: $7.33 1,366In Stock	Mfr. Part No. HX5004ENL Mouser Part No 673-HX5004ENL	Pulse Electronics	Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH 1-port Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	1,366In Stock	$7.33 $6.28 $6.04 $5.90 View $5.51 $4.65 $4.63 $4.55	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	1 MHz to 100 MHz	350 uH			1.5 kV	- 40 C	+ 85 C	Single		17.5 mm	12.2 mm	5.72 mm	1000Base-T		Tube
Audio Transformers / Signal Transformers SMD T3/DS3/E3/STS-1 19uH 1-Port PE-65968NL Pulse Electronics 1: $4.84 549In Stock	Mfr. Part No. PE-65968NL Mouser Part No 673-PE-65968NL	Pulse Electronics	Audio Transformers / Signal Transformers SMD T3/DS3/E3/STS-1 19uH 1-Port	Datasheet	549In Stock	$4.84 $4.47 $4.34 $4.29 $4.20	Min.: 1 Mult.: 1	Telecom Transformers	Module	SMD/SMT	250 kHz to 500 MHz	60 nH			1.5 kV	0 C	+ 70 C	Single		7.62 mm	9.91 mm	6.35 mm			Tube
Audio Transformers / Signal Transformers SMD T3/DS3/E3/STS-1 100uH 1-Port T3001NL Pulse Electronics 1: $7.58 461In Stock	Mfr. Part No. T3001NL Mouser Part No 673-T3001NL	Pulse Electronics	Audio Transformers / Signal Transformers SMD T3/DS3/E3/STS-1 100uH 1-Port	Datasheet	461In Stock	$7.58 $6.85 $6.57 $6.27 View $6.26 $5.91 $4.78 $4.76	Min.: 1 Mult.: 1	Telecom Transformers	Module	SMD/SMT		100 uH	1 Ohms	1 Ohms	1.5 kV	- 40 C	+ 85 C	Single		7.62 mm	7 mm	6.35 mm			Tube
Audio Transformers / Signal Transformers - ATB3225-50011CT-T000 TDK 1: $2.23 1,805In Stock	Mfr. Part No. ATB3225-50011CT-T000 Mouser Part No 810-ATB3250011CTT000	TDK	Audio Transformers / Signal Transformers - Learn More about TDK ATB3225trans	Datasheet	1,805In Stock	Cut Tape $2.23 $1.55 $1.17 $1.02 Reel $0.826 View $0.918 $0.78	Min.: 1 Mult.: 1 : 1,000	Baluns	Module									Single					ATB-CT		Reel, Cut Tape
Audio Transformers / Signal Transformers HDBase-T SMD PoE+ 180uH 1-Port HD8004FNL Pulse Electronics 1: $7.21 265In Stock	Mfr. Part No. HD8004FNL Mouser Part No 673-HD8004FNL	Pulse Electronics	Audio Transformers / Signal Transformers HDBase-T SMD PoE+ 180uH 1-Port Learn More about Pulse Electronics pulse hdbaset transformers	Datasheet	265In Stock	$7.21 $6.57 $6.35 $6.19 View $6.00 $5.94 Quote	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	1 MHz to 500 MHz	180 uH			1.5 kV	0 C	+ 70 C	Single		15 mm	13.7 mm	5.72 mm	HD		Tube
Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 1-Port HX1148NLT Pulse Electronics 1: $8.71 1,094In Stock	Mfr. Part No. HX1148NLT Mouser Part No 673-HX1148NLT	Pulse Electronics	Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 1-Port Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	1,094In Stock	Cut Tape $8.71 $7.86 $7.55 $7.32 Reel $6.72 View $7.08 $6.19 $5.94 $5.65 MouseReel Available	Min.: 1 Mult.: 1 : 300	LAN Transformers	Module	SMD/SMT	1 MHz to 100 MHz	350 uH	1 Ohms	1 Ohms	1.5 kV	- 40 C	+ 85 C	Single		25.4 mm	9.91 mm	6.22 mm	HX		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers SMD Digital Audio 3000uH .5Ohms 1-Port PE-65848NLT Pulse Electronics 1: $7.68 975In Stock	Mfr. Part No. PE-65848NLT Mouser Part No 673-PE-65848NLT	Pulse Electronics	Audio Transformers / Signal Transformers SMD Digital Audio 3000uH .5Ohms 1-Port	Datasheet	975In Stock	Cut Tape $7.68 $6.83 $6.54 $6.34 Reel $6.13 View $6.14 $4.93 $4.68 $4.50 MouseReel Available	Min.: 1 Mult.: 1 : 250	Telecom Transformers	Module	SMD/SMT					1.5 kV	0 C	+ 70 C	Single		0.475 in	0.46 in	0.34 in			Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH .7Ohms 2-Por TX1287NL Pulse Electronics 1: $4.69 560In Stock	Mfr. Part No. TX1287NL Mouser Part No 673-TX1287NL	Pulse Electronics	Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH .7Ohms 2-Por	Datasheet	560In Stock	$4.69 $4.23 $4.02 $3.94 View $3.79 $3.68 $3.63 $3.59	Min.: 1 Mult.: 1	ISDN Transformers	Module	SMD/SMT			700 mOhms, 700 mOhms		1.5 kV	- 40 C	+ 85 C	Dual		12.83 mm	7.11 mm	6.22 mm			Tube
Audio Transformers / Signal Transformers WE-LAN 1KBsT nonPoE 350uH 2Port 1500Vrms 749020022A Wurth Elektronik 1: $17.11 355In Stock	Mfr. Part No. 749020022A Mouser Part No 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 $17.11 $14.13 $12.19 Reel $11.55 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 LAN 1 Port 10/100/1000 Base-T T,C,S ALANS10001-3J41DT ABRACON 1: $3.19 1,287In Stock	Mfr. Part No. ALANS10001-3J41DT Mouser Part No 815-ALANS100013J41DT	ABRACON	Audio Transformers / Signal Transformers LAN 1 Port 10/100/1000 Base-T T,C,S Learn More about ABRACON alans10001 lan transformer modules	Datasheet	1,287In Stock	Cut Tape $3.19 $2.45 $2.33 Reel $2.04 $1.76 View $1.67 $1.65 MouseReel Available	Min.: 1 Mult.: 1 : 400	LAN Transformers	LAN	SMD/SMT	100 kHz to 100 MHz	350 uH				- 40 C	+ 85 C	Dual		18.4 mm	12.4 mm	6.5 mm	ALANS100X1		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 275uH 10% 1:1 DCR=1.2Ohms AEC-Q200 WA8478-BEC Coilcraft 1: $6.80 1,094In Stock	Mfr. Part No. WA8478-BEC Mouser Part No 994-WA8478-BEC	Coilcraft	Audio Transformers / Signal Transformers 275uH 10% 1:1 DCR=1.2Ohms AEC-Q200 Learn More about Coilcraft wa8478 flyback transformers	Datasheet	1,094In Stock	Cut Tape $6.80 $5.80 $5.57 $5.40 Reel $4.75 View $5.01 $4.73 $4.57 $4.43 MouseReel Available	Min.: 1 Mult.: 1 : 175		Flyback	SMD/SMT					2.25 kV	- 40 C	+ 125 C	Single		7.85 mm	7.25 mm	7 mm	WA8478	AEC-Q200	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers E4/STM-01/STS-3/OC-3 16P SMD Single Ch TG04-TDK2NSRL HALO Electronics 1: $4.26 985In Stock	Mfr. Part No. TG04-TDK2NSRL Mouser Part No 493-TG04-TDK2NSRL	HALO Electronics	Audio Transformers / Signal Transformers E4/STM-01/STS-3/OC-3 16P SMD Single Ch Learn More about HALO Electronics halo telecom transformers	Datasheet	985In Stock	$4.26 $4.12 $4.02 $3.80 View $3.19 $2.97 Quote	Min.: 1 Mult.: 1	Isolation Transformers	Module	SMD/SMT	8 MHz to 240 MHz	36 uH			1.5 kV	- 40 C	+ 85 C	Dual	SMD-6	8.13 mm	7.11 mm	5.08 mm	SMD-E4		Tube
Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 2-Port H5200NL Pulse Electronics 1: $13.80 168In Stock	Mfr. Part No. H5200NL Mouser Part No 673-H5200NL	Pulse Electronics	Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 2-Port Learn More about Pulse Electronics pulse 1gigabit poe poeplus smd transformers	Datasheet	168In Stock	$13.80 $12.47 $11.80 $11.18 View $9.71 $9.50 $9.35 $9.25 Quote	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	1 MHz to 125 MHz	350 uH			1.5 kV	0 C	+ 70 C	2 Channel	BGA	14.73 mm	17.27 mm	11.18 mm			Tray
Audio Transformers / Signal Transformers 10GBase-T SMD 120uH 1:1 GEN2 SMD H7028FNL Pulse Electronics 1: $10.63 233In Stock	Mfr. Part No. H7028FNL Mouser Part No 673-H7028FNL	Pulse Electronics	Audio Transformers / Signal Transformers 10GBase-T SMD 120uH 1:1 GEN2 SMD	Datasheet	233In Stock	$10.63 $9.54 $9.06 $8.77 View $7.47 $7.18 $7.02 $6.90 Quote	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	1 MHz to 500 MHz	120 uH			1.5 kV	0 C	+ 70 C	Quad		15 mm	13.7 mm	5.72 mm	10GBase-T		Tube
Audio Transformers / Signal Transformers MDL SIN XFMR-CMC AEC-Q200 HM1238NL Pulse Electronics 1: $3.73 802In Stock	Mfr. Part No. HM1238NL Mouser Part No 673-HM1238NL	Pulse Electronics	Audio Transformers / Signal Transformers MDL SIN XFMR-CMC AEC-Q200 Learn More about Pulse Electronics pulse battery management systems solutions	Datasheet	802In Stock	$3.73 $3.40 $3.29 $3.17 View $3.11 $2.99 $2.97	Min.: 1 Mult.: 1	Signal Transformers		SMD/SMT		300 uH			4.3 kV	- 40 C	+ 150 C	Single		8.38 mm	7.69 mm	4.25 mm	BMS	AEC-Q200	Tube