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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.	RoHS	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 PWB Wideband RF 1:16 0.075-90 MHz PWB-16-BLC Coilcraft 1: $7.13 1,543In Stock	Mfr. Part No. PWB-16-BLC Mouser Part No 994-PWB-16-BLC	Coilcraft	Audio Transformers / Signal Transformers PWB Wideband RF 1:16 0.075-90 MHz	Datasheet	1,543In Stock	Cut Tape $7.13 $6.09 $5.86 Reel $4.98 $4.80 $4.66 MouseReel Available	Min.: 1 Mult.: 1 : 250		RF Transformers													PWB	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:4 0.250-800 MHz WBC4-4LC Coilcraft 1: $5.36 611In Stock 750Expected 23/11/2026	Mfr. Part No. WBC4-4LC Mouser Part No 994-WBC4-4LC	Coilcraft	Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:4 0.250-800 MHz	Datasheet	611In Stock 750Expected 23/11/2026	Cut Tape $5.36 $5.30 $4.40 Reel $3.80 $3.73 Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 750		RF Transformers		SMD/SMT	250 kHz to 800 MHz			- 40 C	+ 85 C			4.45 mm	4.19 mm	3.05 mm	WBC	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers POE13P Flyback PoE 13uH 12 V 1.08 A POE13P-12LD Coilcraft 1: $3.64 3,561In Stock 8,925Expected 20/11/2026	Mfr. Part No. POE13P-12LD Mouser Part No 994-POE13P-12LD	Coilcraft	Audio Transformers / Signal Transformers POE13P Flyback PoE 13uH 12 V 1.08 A Learn More about Coilcraft poexp flyback transformers	Datasheet	3,561In Stock 8,925Expected 20/11/2026	Cut Tape $3.64 $2.95 $2.84 $2.66 Reel $2.55 View $2.49 $2.37 $2.30 $2.22 MouseReel Available	Min.: 1 Mult.: 1 : 175		PoE Transformers	Flyback	SMD/SMT	250 kHz			- 40 C	+ 85 C	Single		13.46 mm	13 mm	12.7 mm	POE13P	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers POE300F Flyback PoE+ 30uH 5.0 V 6 A POE300F-50LD Coilcraft 1: $7.48 570In Stock	Mfr. Part No. POE300F-50LD Mouser Part No 994-POE300F-50LD	Coilcraft	Audio Transformers / Signal Transformers POE300F Flyback PoE+ 30uH 5.0 V 6 A Learn More about Coilcraft poe300f flyback transformers	Datasheet	570In Stock	Cut Tape $7.48 $6.39 $6.13 $5.94 Reel $5.23 View $5.51 $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 PWB Wideband RF 1:4 0.150-500 MHz PWB-4-ALC Coilcraft 1: $3.00 1,046In 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	1,046In 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 1:9 0.300-500 MHz WBC9-1LC Coilcraft 1: $6.61 544In Stock	Mfr. Part No. WBC9-1LC Mouser Part No 994-WBC9-1LC	Coilcraft	Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:9 0.300-500 MHz	Datasheet	544In Stock	Cut Tape $6.61 $5.64 $4.82 Reel $4.36 $4.34 MouseReel Available	Min.: 1 Mult.: 1 : 750		RF Transformers		SMD/SMT	300 kHz to 500 MHz	81 uH	300 V	- 40 C	+ 85 C		4.45 mm x 4.19 mm x 3.05 mm	4.45 mm	4.19 mm	3.05 mm	WBC	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1812WBT SMT Wideband 1:1 4-200 MHz 1812WBT-3LC Coilcraft 1: $3.31 3,048In Stock	Mfr. Part No. 1812WBT-3LC Mouser Part No 994-1812WBT-3LC	Coilcraft	Audio Transformers / Signal Transformers 1812WBT SMT Wideband 1:1 4-200 MHz Learn More about Coilcraft 1812WBT	Datasheet	3,048In Stock	Cut Tape $3.31 $2.68 $2.58 $2.41 Reel $2.26 View $2.32 $2.15 $2.09 $2.02 MouseReel Available	Min.: 1 Mult.: 1 : 600		RF Transformers		SMD/SMT	4 MHz to 200 MHz	1.25 uH	50 V	- 40 C	+ 85 C	Single	1812 (4532 metric)	4.52 mm	3.81 mm	3.43 mm	1812WBT	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers DA2032 Cap Chrgr For Linear LT3750/51 DA2034-ALD Coilcraft 1: $6.55 1,747In Stock 1,050Expected 07/12/2026	Mfr. Part No. DA2034-ALD Mouser Part No 994-DA2034-ALD	Coilcraft	Audio Transformers / Signal Transformers DA2032 Cap Chrgr For Linear LT3750/51 Learn More about Coilcraft power magnetics	Datasheet	1,747In Stock 1,050Expected 07/12/2026	Cut Tape $6.55 $5.59 $5.36 $5.20 Reel $4.58 View $4.82 $4.41 $4.28 MouseReel Available	Min.: 1 Mult.: 1 : 175		Flyback Transformers	Flyback	SMD/SMT				- 40 C	+ 125 C	Single		20.57 mm	21 mm	9.78 mm	DA2034	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1000B-5001 iNRCORE 1: $41.70 68In Stock	Mfr. Part No. 1000B-5001 Mouser Part No 673-1000B-5001	iNRCORE	Audio Transformers / Signal Transformers	Datasheet	68In Stock	$41.70 $37.52 $33.36 $32.16 View $31.54 Quote	Min.: 1 Mult.: 1			Transformer			350 uH	1500 Vrms	- 40 C	+ 85 C	1 Channel		17.78 mm	16 mm	5.97 mm		Tube
Audio Transformers / Signal Transformers 120uH 1500V T/R=1 2% DC=600mA HX6164NLT Pulse Electronics 1: $5.45 683In Stock	Mfr. Part No. HX6164NLT Mouser Part No 673-HX6164NLT	Pulse Electronics	Audio Transformers / Signal Transformers 120uH 1500V T/R=1 2% DC=600mA Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	683In Stock	Cut Tape $5.45 $4.93 $4.73 $4.59 Reel $4.11 View $4.44 $3.66 $3.41 $3.39 MouseReel Available	Min.: 1 Mult.: 1 : 300		PoE Transformers	Module	SMD/SMT		120 uH	1.5 kVrms	- 40 C	+ 85 C	Single		15.24 mm	7.62 mm	8.64 mm	HX	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers THT T1/CEPT/ISDN-Pri 1200uH .7Ohms 2-Por PE-64936NL Pulse Electronics 1: $6.68 1,033In Stock	Mfr. Part No. PE-64936NL Mouser Part No 673-PE-64936NL	Pulse Electronics	Audio Transformers / Signal Transformers THT T1/CEPT/ISDN-Pri 1200uH .7Ohms 2-Por Learn More about Pulse Electronics pulsetelecom	Datasheet	1,033In Stock	$6.68 $6.34 $6.23 $6.13 View $6.01 $3.59 $3.52 $3.38 $3.35	Min.: 1 Mult.: 1		ISDN Transformers	Module	Through Hole	1 MHz to 100 MHz	1.2 mH	1.5 kV	0 C	+ 70 C	Dual		12.7 mm	8.89 mm	6.35 mm		Tube
Audio Transformers / Signal Transformers THT T1/CEPT/ISDN-Pri 1200uH 1Ohm 1-Port PE-65771NL Pulse Electronics 1: $5.54 1,129In Stock	Mfr. Part No. PE-65771NL Mouser Part No 673-PE-65771NL	Pulse Electronics	Audio Transformers / Signal Transformers THT T1/CEPT/ISDN-Pri 1200uH 1Ohm 1-Port	Datasheet	1,129In Stock	$5.54 $5.01 $4.81 $4.62 View $4.47 $4.29 $3.79 $3.48	Min.: 1 Mult.: 1		ISDN Transformers	Module	Through Hole		1.2 mH	1.5 kV	- 40 C	+ 85 C	Dual	12.7 mm x 8.89 mm x 6.35 mm	12.7 mm	8.89 mm	6.35 mm		Tube
Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1000uH 2Ohms 2-Port T1144NLT Pulse Electronics 1: $5.78 1,096In Stock	Mfr. Part No. T1144NLT Mouser Part No 673-T1144NL673-T	Pulse Electronics	Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1000uH 2Ohms 2-Port Learn More about Pulse Electronics pulsetelecom	Datasheet	1,096In Stock	Cut Tape $5.78 $5.23 $5.02 $4.86 Reel $3.94 View $4.68 $4.01 $3.77 $3.62 MouseReel Available	Min.: 1 Mult.: 1 : 600		ISDN Transformers	Module	SMD/SMT	50 kHz to 3 MHz		1.5 kV	0 C	+ 70 C	Dual		12.83 mm	9.53 mm	6.22 mm		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers FA2924 SMT Flyback For Si341, Si3402 FA2924-ALD Coilcraft 1: $4.69 2,069In Stock	Mfr. Part No. FA2924-ALD Mouser Part No 994-FA2924-ALD	Coilcraft	Audio Transformers / Signal Transformers FA2924 SMT Flyback For Si341, Si3402 Learn More about Coilcraft power magnetics	Datasheet	2,069In Stock	Cut Tape $4.69 $3.71 $3.58 $3.34 Reel $3.16 View $3.03 $2.98 $2.88 Quote MouseReel Available	Min.: 1 Mult.: 1 : 175		Flyback Transformers	Flyback	SMD/SMT	200 kHz	40 uH	1.5 kV	- 40 C	+ 85 C	Single		13.46 mm	13 mm	12.7 mm	FA2924	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers POE300F Flyback PoE+ 30uH 24 V 1.25 A POE300F-24LD Coilcraft 1: $7.48 394In 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	394In Stock	Cut Tape $7.48 $6.39 $6.13 $5.94 Reel $5.23 View $5.51 $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 PWB Wideband RF 1:1 0.03-250 MHz PWB2010-1LC Coilcraft 1: $4.50 808In Stock	Mfr. Part No. PWB2010-1LC Mouser Part No 994-PWB2010-1LC	Coilcraft	Audio Transformers / Signal Transformers PWB Wideband RF 1:1 0.03-250 MHz	Datasheet	808In Stock	Cut Tape $4.50 $3.57 Reel $3.03 $2.91 $2.86 View $2.76 Quote MouseReel Available	Min.: 1 Mult.: 1 : 250		RF Transformers		SMD/SMT	30 kHz to 250 MHz	95 uH, 95 uH	300 V	- 40 C	+ 85 C	Dual		6.77 mm	6.48 mm	4.45 mm	PWB	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Telecom Transformer 1CT:1CT 24Term SMD 1000B-5012X iNRCORE 1: $54.62 352In Stock	Mfr. Part No. 1000B-5012X Mouser Part No 673-1000B-5012X	iNRCORE	Audio Transformers / Signal Transformers Telecom Transformer 1CT:1CT 24Term SMD Learn More about iNRCORE pulser 1000 base t transformers	Datasheet	352In Stock	$54.62 $49.59 $47.76 View Quote	Min.: 1 Mult.: 1	No	Telecom Transformers		SMD/SMT	100 kHz to 100 MHz	350 uH	1.5 kV	- 55 C	+ 125 C	Quad		15.11 mm	13.16 mm	6.12 mm	1000B	Tube
Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH 1-Port H5084FNL Pulse Electronics 1: $5.39 1,538In Stock	Mfr. Part No. H5084FNL Mouser Part No 673-H5084FNL	Pulse Electronics	Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH 1-Port	Datasheet	1,538In Stock	$5.39 $4.87 $4.64 $4.49 View $4.35 $3.82 $3.54 $3.45	Min.: 1 Mult.: 1		LAN Transformers	Module	SMD/SMT	1 MHz to 100 MHz	350 uH	1.5 kV	0 C	+ 70 C	Single		15.24 mm	10.29 mm	4.14 mm		Tube
Audio Transformers / Signal Transformers 1000Base-T SMD PoE 350uH .65Ohms 1-Port H6062FNLT Pulse Electronics 1: $6.10 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 $6.10 $5.21 $5.00 $4.84 Reel $4.01 View $4.41 $3.89 $3.71 $3.56	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 387In 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	387In Stock	$8.11 $7.10 $6.87 $6.29 View $5.98 $5.64 $5.55 $5.45 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		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 $2.93 Reel $2.82 View $2.82 $2.81 $2.50 $2.45	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 SMD 10BaseT Islation 140uH .3Ohms 1-Port PE-65745NL Pulse Electronics 1: $3.62 1,115In Stock	Mfr. Part No. PE-65745NL Mouser Part No 673-PE-65745NL	Pulse Electronics	Audio Transformers / Signal Transformers SMD 10BaseT Islation 140uH .3Ohms 1-Port	Datasheet	1,115In Stock	$3.62 $3.12 $2.79 $2.51 View $2.44 $2.31	Min.: 1 Mult.: 1		LAN Transformers	Module	SMD/SMT	100 kHz	140 uH	1.5 kV	0 C	+ 70 C	Dual		12.7 mm	9.4 mm	5.08 mm		Tube
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 $6.37 $6.17 Reel $5.55 View $5.85 $5.42 $4.81 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 E4/STM-01/STS-3/OC-3 16P SMD Single Ch TG04-TDK2NSRL HALO Electronics 1: $3.51 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	$3.51 $3.32 $3.22 $3.03 View $2.54 $2.28	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 $12.46 $11.79 $11.17 View $9.78 $9.77 $9.59 $9.50 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