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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 (SGD) 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	Packaging
Audio Transformers / Signal Transformers 1812WBT SMT Wideband 1:1 4-200 MHz 1812WBT-3LC Coilcraft 1: $4.50 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 $4.50 $3.64 $3.51 $3.28 Reel $3.07 View $3.16 $2.92 $2.84 $2.75 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: $8.91 1,745In Stock 1,050Expected 7/12/2026	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	1,745In Stock 1,050Expected 7/12/2026	Cut Tape $8.91 $7.60 $7.29 $7.07 Reel $6.23 View $6.56 $6.00 $5.82 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 FA2732 SMT Flyback For Si3401, Si3402 FA2732-ALD Coilcraft 1: $5.06 940In Stock	Mfr. Part No. FA2732-ALD Mouser Part No 994-FA2732-ALD	Coilcraft	Audio Transformers / Signal Transformers FA2732 SMT Flyback For Si3401, Si3402 Learn More about Coilcraft power magnetics	Datasheet	940In Stock	Cut Tape $5.06 $4.11 $3.94 $3.70 Reel $3.55 View $3.45 $3.29 $3.20 $3.10 MouseReel Available	Min.: 1 Mult.: 1 : 200	Flyback Transformers	Flyback	SMD/SMT	400 kHz	40 uH			1.5 kV	- 40 C	+ 85 C	Single		12.7 mm	10.5 mm	11 mm	FA2732	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers PWB Wideband RF 1:1 0.0035-125 MHz PWB1010LC Coilcraft 1: $5.89 1,844In Stock 2,750Expected 21/12/2026	Mfr. Part No. PWB1010LC Mouser Part No 994-PWB1010LC	Coilcraft	Audio Transformers / Signal Transformers PWB Wideband RF 1:1 0.0035-125 MHz	Datasheet	1,844In Stock 2,750Expected 21/12/2026	Cut Tape $5.89 $4.66 Reel $3.97 $3.81 $3.74 View $3.62 Quote MouseReel Available	Min.: 1 Mult.: 1 : 250	RF Transformers		SMD/SMT	3.5 kHz to 125 MHz					- 40 C	+ 85 C	Single		6.77 mm	6.48 mm	4.45 mm	PWB	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Flyback PoE 24W 21uH 12V 6.3A POE24PR-12ED Coilcraft 1: $8.69 1,275In Stock 450Expected 12/11/2026	Mfr. Part No. POE24PR-12ED Mouser Part No 994-POE24PR-12ED	Coilcraft	Audio Transformers / Signal Transformers Flyback PoE 24W 21uH 12V 6.3A Learn More about Coilcraft flyback forward poe transformers	Datasheet	1,275In Stock 450Expected 12/11/2026	Cut Tape $8.69 $6.75 $6.47 $6.28 Reel $5.73 View $6.07 $5.54 $5.34 $5.32 MouseReel Available	Min.: 1 Mult.: 1 : 150	PoE Transformers	Flyback	SMD/SMT	200 kHz	21 uH				- 40 C	+ 125 C	Single		14.5 mm	13 mm	14 mm	POE21PR	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers DA2033 Cap Chrgr For Linear LT3750/51 DA2033-ALD Coilcraft 1: $9.45 2,600In Stock 1,000Expected 9/11/2026	Mfr. Part No. DA2033-ALD Mouser Part No 994-DA2033-ALD	Coilcraft	Audio Transformers / Signal Transformers DA2033 Cap Chrgr For Linear LT3750/51 Learn More about Coilcraft power magnetics	Datasheet	2,600In Stock 1,000Expected 9/11/2026	Cut Tape $9.45 $8.06 $7.75 $7.51 Reel $6.61 View $6.96 $6.36 $6.17 MouseReel Available	Min.: 1 Mult.: 1 : 200	Flyback Transformers	Flyback	SMD/SMT	100 kHz	10 uH			1.5 kV	- 40 C	+ 125 C			18 mm	17 mm	9.78 mm	DA2033	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers PoE Plus 850uH DCR=0.24mOhms 1.9A HPX2126LD Coilcraft 1: $13.95 532In Stock	Mfr. Part No. HPX2126LD Mouser Part No 994-HPX2126LD	Coilcraft	Audio Transformers / Signal Transformers PoE Plus 850uH DCR=0.24mOhms 1.9A Learn More about Coilcraft high power poe single path magnetics	Datasheet	532In Stock	Cut Tape $13.95 $12.34 $11.75 $11.53 Reel $10.72 View $11.18 $10.36 $10.04 MouseReel Available	Min.: 1 Mult.: 1 : 300	PoE Transformers	Isolated	SMD/SMT	100 kHz	850 uH			1.5 kV	- 40 C	+ 85 C	Single		15.75 mm	14.22 mm	10.8 mm	HPX2126L	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers POE70P Flyback 7uH 5.0 V 1.4 A POE70P-50LD Coilcraft 1: $6.01 1,948In Stock	Mfr. Part No. POE70P-50LD Mouser Part No 994-POE70P-50LD	Coilcraft	Audio Transformers / Signal Transformers POE70P Flyback 7uH 5.0 V 1.4 A Learn More about Coilcraft poexp flyback transformers	Datasheet	1,948In Stock	Cut Tape $6.01 $4.75 $4.58 $4.27 Reel $4.05 View $3.88 $3.81 $3.69 Quote MouseReel Available	Min.: 1 Mult.: 1 : 200	PoE Transformers	Flyback	SMD/SMT	250 kHz					- 40 C	+ 85 C	Single		12.7 mm	10.5 mm	11 mm	POE70P	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1000B-5001 iNRCORE 1: $56.71 68In Stock	Mfr. Part No. 1000B-5001 Mouser Part No 673-1000B-5001	iNRCORE	Audio Transformers / Signal Transformers	Datasheet	68In Stock	$56.71 $51.03 $43.59 $41.96 View 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 HX6164NL Pulse Electronics 1: $7.41 442In Stock	Mfr. Part No. HX6164NL Mouser Part No 673-HX6164NL	Pulse Electronics	Audio Transformers / Signal Transformers 120uH 1500V T/R=1 2% DC=600mA Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	442In Stock	$7.41 $6.70 $6.34 $6.13 View $5.68 $5.32 $4.64 $4.62	Min.: 1 Mult.: 1	PoE Transformers	Module	SMD/SMT		120 uH			1.5 kVrms	- 40 C	+ 85 C	Single		15.24 mm	7.62 mm	8.64 mm		Tube
Audio Transformers / Signal Transformers 120uH 1500V T/R=1 2% DC=600mA HX6164NLT Pulse Electronics 1: $7.41 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 $7.41 $6.70 $6.43 $6.24 Reel $5.43 View $5.79 $4.79 $4.45 $4.41 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: $9.07 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	$9.07 $7.04 $6.76 $6.56 View $6.32 $5.98 $5.79 $5.59 $5.56	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: $7.53 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	$7.53 $6.81 $6.54 $6.27 View $6.08 $5.83 $4.64 $4.53	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: $7.86 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 $7.86 $7.10 $6.81 $6.61 Reel $5.10 View $6.36 $5.25 $4.81 $4.76 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: $6.38 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 $6.38 $5.06 Reel $4.30 $4.12 $4.05 View $3.92 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: $10.17 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 $10.17 $8.69 $8.38 Reel $7.11 $6.85 $6.65 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: $6.12 804In 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	804In Stock	Cut Tape $6.12 $4.86 Reel $4.12 $3.96 $3.89 View $3.75 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 DIGITAL AUDIO TRANSFORMER DA102JC-R Murata Power Solutions 1: $2.91 4,465In Stock 5,000Expected 14/12/2026	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 14/12/2026	Cut Tape $2.91 $2.64 $2.46 $2.38 Reel $1.96 View $2.28 $1.85 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: $9.96 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	$9.96 $8.54 $8.21 $8.01 View $7.49 $6.32 $6.30 $6.19	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: $6.58 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	$6.58 $6.08 $5.90 $5.83 $5.71	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: $10.31 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	$10.31 $9.32 $8.94 $8.53 View $8.51 $8.04 $6.50 $6.46	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: $3.03 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 $3.03 $2.11 $1.59 $1.39 Reel $1.12 View $1.25 $1.02	Min.: 1 Mult.: 1 : 1,000	Baluns	Module									Single					ATB-CT	Reel, Cut Tape
Audio Transformers / Signal Transformers BALUN RF SGL RAC 1:1CT CX2041ANLT Pulse Electronics 1: $4.79 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 $4.79 $3.89 $3.10 $2.80 Reel $2.27 View $2.72 $2.71 $2.69 $2.15	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: $12.89 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	$12.89 $11.63 $10.99 $10.64 View $8.99 $8.68 $8.49 $8.35 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: $11.41 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	$11.41 $10.30 $9.87 $9.48 View $9.19 $8.81 $7.58 $7.06 Quote	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