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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 (EUR) 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 FA2805 SMT Flyback For Si341, Si3402 FA2805-CLD Coilcraft 1: 4,46 € 1.356In Stock 1.400On Order	Mfr. Part No. FA2805-CLD Mouser Part No 994-FA2805-CLD	Coilcraft	Audio Transformers / Signal Transformers FA2805 SMT Flyback For Si341, Si3402 Learn More about Coilcraft power magnetics	Datasheet	1.356In Stock 1.400On Order On Order Ship Dates Mfr. No: FA2805-CLD Stock: 1.356 Can Dispatch Immediately On Order: 525 Expected 11/17/2026 875 Expected 11/23/2026 Factory Lead Time: 10 Weeks	Cut Tape 4,46 € 3,53 € 3,41 € 3,17 € Reel 3,01 € View 2,88 € 2,84 € 2,74 € 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	FA2805		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers POE300F Flyback PoE+ 30uH 5.0 V 6 A POE300F-50LD Coilcraft 1: 6,43 € 459In 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	459In Stock	Cut Tape 6,43 € 5,50 € 5,27 € 5,11 € Reel 4,50 € View 4,74 € 4,33 € 4,21 € 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 WBC SMT Mini Wdebnd 1:1 0.400-600 MHz WBC1-1LC Coilcraft 1: 3,95 € 1.435In Stock 2.250Expected 1/1/2027	Mfr. Part No. WBC1-1LC Mouser Part No 994-WBC1-1LC	Coilcraft	Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:1 0.400-600 MHz	Datasheet	1.435In Stock 2.250Expected 1/1/2027	Cut Tape 3,95 € 3,61 € 3,54 € 3,42 € Reel 2,99 € View 3,10 € 3,03 € 2,94 € Quote MouseReel Available	Min.: 1 Mult.: 1 : 750	RF Transformers		SMD/SMT	400 kHz to 600 MHz	10 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 WBC SMT Mini Wdebnd 1:9 0.300-500 MHz WBC9-1LC Coilcraft 1: 5,68 € 524In 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	524In Stock	Cut Tape 5,68 € 4,85 € 4,15 € Reel 3,75 € 3,73 € 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 Flyback PoE 24W 21uH 12V 6.3A POE24PR-12ED Coilcraft 1: 5,50 € 1.085In Stock 450Expected 11/12/2026	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	1.085In Stock 450Expected 11/12/2026	Cut Tape 5,50 € 4,27 € 4,09 € 3,97 € Reel 3,62 € View 3,84 € 3,50 € 3,38 € 3,36 € 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 E4/STM-01/STS-3/OC-3 16P SMD Single Ch TG04-TDK2NSRL HALO Electronics 1: 3,66 € 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	3,66 € 3,54 € 3,46 € 3,27 € View 2,74 € 2,55 € 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: 11,87 € 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	11,87 € 10,72 € 10,15 € 9,61 € View 8,35 € 8,17 € 8,04 € 7,95 € 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: 9,14 € 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	9,14 € 8,20 € 7,79 € 7,54 € View 6,42 € 6,17 € 6,04 € 5,93 € 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: 3,21 € 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	3,21 € 2,92 € 2,83 € 2,73 € View 2,67 € 2,57 € 2,55 €	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
Audio Transformers / Signal Transformers BALUN RF SGL RAC 1:1CT CX2041ANLT Pulse Electronics 1: 3,03 € 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 3,03 € 2,46 € 1,96 € 1,77 € Reel 1,44 € View 1,72 € 1,71 € 1,70 € 1,42 €	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: 8,15 € 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	8,15 € 7,35 € 6,95 € 6,73 € View 5,68 € 5,49 € 5,37 € 5,28 € 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: 7,22 € 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	7,22 € 6,52 € 6,25 € 6,00 € View 5,93 € 5,58 € 4,76 € 4,50 €	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 V263 E6.3 SMD TRANSFORMER B78304B1032A003 TDK 1: 5,80 € 772In Stock	Mfr. Part No. B78304B1032A003 Mouser Part No 871-B78304B1032A3	TDK	Audio Transformers / Signal Transformers V263 E6.3 SMD TRANSFORMER	Datasheet	772In Stock	Cut Tape 5,80 € 5,30 € 4,72 € 4,64 € Reel 4,05 € View 4,36 € 4,21 € 4,09 € 3,58 € MouseReel Available	Min.: 1 Mult.: 1 : 900													8 mm	7 mm	5.7 mm	B78304B		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers DIGITAL AUDIO TRANSFORMER DA102JC-R Murata Power Solutions 1: 1,84 € 4.465In Stock 5.000Expected 12/14/2026	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 12/14/2026	Cut Tape 1,84 € 1,67 € 1,56 € 1,51 € Reel 1,24 € View 1,44 € 1,19 € 1,17 € 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: 6,30 € 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	6,30 € 5,40 € 5,19 € 5,07 € View 4,74 € 4,00 € 3,98 € 3,91 €	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 100uH 1-Port T3001NL Pulse Electronics 1: 6,52 € 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	6,52 € 5,89 € 5,65 € 5,39 € View 5,38 € 5,08 € 4,11 € 4,09 €	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: 1,92 € 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 1,92 € 1,33 € 1,01 € 0,877 € Reel 0,71 € View 0,789 € 0,671 €	Min.: 1 Mult.: 1 : 1.000	Baluns	Module									Single					ATB-CT		Reel, Cut Tape
Audio Transformers / Signal Transformers 10/100Base-T SMD 1-Port HX1178NL Pulse Electronics 1: 6,97 € 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	6,97 € 6,11 € 5,62 € 5,19 € View 4,90 € 4,66 € 4,64 € 4,56 € 4,54 €	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: 3,53 € 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 3,53 € 3,20 € 2,98 € 2,37 € Reel 2,30 € View 2,31 € 2,04 € 2,01 €	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 1000B-5001 iNRCORE 1: 35,86 € 68In Stock	Mfr. Part No. 1000B-5001 Mouser Part No 673-1000B-5001	iNRCORE	Audio Transformers / Signal Transformers	Datasheet	68In Stock	35,86 € 32,27 € 27,56 € 26,53 € 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 3-300MHz SMD 50Ohm RF Tranformer CX2045LNL Pulse Electronics 1: 3,13 € 822In Stock	Mfr. Part No. CX2045LNL Mouser Part No 673-CX2045LNL	Pulse Electronics	Audio Transformers / Signal Transformers 3-300MHz SMD 50Ohm RF Tranformer	Datasheet	822In Stock	3,13 € 2,64 € 2,47 € 2,46 € View 2,38 € 2,34 € 1,96 € 1,94 € 1,91 €	Min.: 1 Mult.: 1	RF Transformers		SMD/SMT	3 MHz to 300 MHz					- 40 C	+ 85 C	Single		3.81 mm	3.81 mm	2.79 mm	CX		Tray
Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 300uH/360uH 1-port HX5149NL Pulse Electronics 1: 6,80 € 1.702In Stock	Mfr. Part No. HX5149NL Mouser Part No 673-HX5149NL	Pulse Electronics	Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 300uH/360uH 1-port Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	1.702In Stock	6,80 € 6,14 € 5,86 € 5,65 € View 5,45 € 5,22 € 5,06 € 4,94 € Quote	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	1 MHz to 125 MHz	350 uH			1.5 kV	- 40 C	+ 85 C	Single		17.78 mm	9.91 mm	3.2 mm	1000Base-T		Tube
Audio Transformers / Signal Transformers 120uH 1500V T/R=1 2% DC=600mA HX6164NL Pulse Electronics 1: 4,69 € 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	4,69 € 4,24 € 4,01 € 3,88 € View 3,59 € 3,36 € 2,93 € 2,92 €	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: 4,69 € 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 4,69 € 4,24 € 4,07 € 3,95 € Reel 3,43 € View 3,66 € 3,03 € 2,81 € 2,79 € 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 SMD T1/CEPT/ISDN-Pri 1000uH 2Ohms 2-Port T1144NLT Pulse Electronics 1: 4,97 € 1.086In 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	1.086In Stock	Cut Tape 4,97 € 4,50 € 4,32 € 4,18 € Reel 3,39 € View 4,02 € 3,45 € 3,24 € 3,11 € 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