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Transformers Audio & Signal

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Transformers for Audio Applications

Audio transformers can used to step up or step down a signal voltage, increase or decrease the impedance of a circuit, convert a circuit from unbalanced to balanced and vice versa, block DC current in a circuit while allowing AC current to flow, or electrically isolate one audio device from another. Learn More

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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 275uH 10% 1:1 DCR=1.2Ohms AEC-Q200 WA8478-BEC Coilcraft 1: 6,04 € 644In 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	644In Stock	Cut Tape 6,04 € 5,15 € 4,95 € 4,80 € Reel 4,21 € View 4,45 € 4,20 € 4,06 € 3,93 € 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 1812WBT SMT Wideband 1:1 4-200 MHz 1812WBT-3LC Coilcraft 1: 2,94 € 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 2,94 € 2,38 € 2,29 € 2,14 € Reel 2,01 € View 2,06 € 1,91 € 1,86 € 1,79 € 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 SMD ISDN S-Interface 22mH 4.2Ohms 2-Port T5007NLT Pulse Electronics 1: 9,01 € 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 9,01 € 8,04 € 7,65 € 7,51 € Reel 5,99 € View 7,01 € 5,68 € MouseReel Available	Min.: 1 Mult.: 1 : 200	ISDN Transformers	ISDN	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 PoE Plus 850uH DCR=0.24mOhms 1.9A HPX2126LD Coilcraft 1: 9,11 € 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 9,11 € 8,05 € 7,67 € 7,53 € Reel 7,00 € View 7,30 € 6,77 € 6,55 € MouseReel Available	Min.: 1 Mult.: 1 : 300	Signal Transformers	PoE	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 1000B-5001 iNRCORE 1: 37,03 € 68In Stock	Mfr. Part No. 1000B-5001 Mouser Part No 673-1000B-5001	iNRCORE	Audio Transformers / Signal Transformers	Datasheet	68In Stock	37,03 € 33,32 € 28,46 € 27,39 € 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: 4,84 € 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	4,84 € 4,38 € 4,14 € 4,00 € View 3,71 € 3,38 € 3,03 € 3,02 €	Min.: 1 Mult.: 1	Signal Transformers	PoE	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: 4,84 € 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 4,84 € 4,38 € 4,20 € 4,08 € Reel 3,54 € View 3,78 € 3,13 € 2,90 € 2,88 € MouseReel Available	Min.: 1 Mult.: 1 : 300	Signal Transformers	PoE	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: 5,93 € 809In 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	809In Stock	5,93 € 4,61 € 4,42 € 4,29 € View 4,13 € 3,05 € 2,92 € 2,88 €	Min.: 1 Mult.: 1	ISDN Transformers	ISDN	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 SMD T1/CEPT/ISDN-Pri 1000uH 2Ohms 2-Port T1144NLT Pulse Electronics 1: 5,13 € 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 5,13 € 4,64 € 4,45 € 4,32 € Reel 3,33 € View 4,16 € 3,43 € 3,14 € 3,11 € MouseReel Available	Min.: 1 Mult.: 1 : 600	ISDN Transformers	ISDN	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 PWB Wideband RF 1:1 0.03-250 MHz PWB2010-1LC Coilcraft 1: 4,00 € 800In 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	800In Stock	Cut Tape 4,00 € 3,17 € Reel 2,69 € 2,58 € 2,54 € View 2,45 € 2,34 € 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 100B-1001FX iNRCORE 1: 27,87 € 86In Stock	Mfr. Part No. 100B-1001FX Mouser Part No 673-100B-1001FX	iNRCORE	Audio Transformers / Signal Transformers	Datasheet	86In Stock	27,87 € 24,85 € 23,74 € 23,42 € View 21,26 € 21,13 € Quote	Min.: 1 Mult.: 1								1500 Vrms	- 55 C	+ 125 C								Tube
Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:1 0.400-600 MHz WBC1-1LC Coilcraft 1: 4,08 € 1.431In 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	1.431In Stock 2.250Expected 1/1/2027	Cut Tape 4,08 € 3,73 € 3,66 € 3,53 € Reel 3,09 € View 3,20 € 3,13 € 3,04 € 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 1:4 0.500-1000 MHz WBC4-1WLC Coilcraft 1: 4,51 € 838In Stock	Mfr. Part No. WBC4-1WLC Mouser Part No 994-WBC4-1WLC	Coilcraft	Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:4 0.500-1000 MHz	Datasheet	838In Stock	Cut Tape 4,51 € 3,57 € 3,44 € 3,21 € Reel 2,87 € View 3,04 € 2,91 € 2,77 € 2,64 € MouseReel Available	Min.: 1 Mult.: 1 : 750	RF Transformers		SMD/SMT	500 kHz to 1 GHz	20 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: 5,87 € 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 5,87 € 5,01 € 4,28 € Reel 3,87 € 3,85 € 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 10/100Base-T SMD 1-Port HX1178NL Pulse Electronics 1: 7,20 € 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	7,20 € 6,30 € 5,81 € 5,36 € View 5,06 € 4,81 € 4,79 € 4,71 € 4,69 €	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: 3,65 € 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 3,65 € 3,30 € 3,08 € 2,45 € Reel 2,30 € View 2,37 € 2,23 € 2,10 € 2,08 €	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: 6,52 € 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 6,52 € 5,89 € 5,65 € 5,47 € Reel 4,93 € View 5,19 € 4,81 € 4,13 € 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: 3,56 € 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	3,56 € 3,51 € 3,45 € 3,27 € View 2,74 € 2,55 € 2,54 € Quote	Min.: 1 Mult.: 1	Signal 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 10GBase-T SMD 120uH 1:1 GEN2 SMD H7028FNL Pulse Electronics 1: 9,44 € 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	9,44 € 8,46 € 8,05 € 7,79 € View 6,62 € 6,38 € 6,23 € 6,12 € 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: 3,31 € 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	3,31 € 3,01 € 2,92 € 2,82 € View 2,75 € 2,66 € 2,63 €	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 100Base-TX PoE+ SMD 1-Port 350/120uH HX2326FNLT Pulse Electronics 1: 3,77 € 5.419In Stock	Mfr. Part No. HX2326FNLT Mouser Part No 673-HX2326FNLT	Pulse Electronics	Audio Transformers / Signal Transformers 100Base-TX PoE+ SMD 1-Port 350/120uH Learn More about Pulse Electronics pulse poe solutions	Datasheet	5.419In Stock	Cut Tape 3,77 € 3,41 € 3,18 € 3,08 € Reel 2,83 € View 2,96 € 2,69 € MouseReel Available	Min.: 1 Mult.: 1 : 600	LAN Transformers	Module	SMD/SMT	1 MHz to 125 MHz	350 uH			1.5 kV	- 40 C	+ 85 C	Single	12.7 mm x 9.09 mm x 5.99 mm	12.7 mm	9.09 mm	5.99 mm	HX2326		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers DIGITAL AUDIO TRANSFORMER DA102JC-R Murata Power Solutions 1: 1,90 € 2.965In 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	2.965In Stock 5.000Expected 12/14/2026	Cut Tape 1,90 € 1,72 € 1,61 € 1,55 € Reel 1,27 € View 1,49 € 1,21 € 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: 6,50 € 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	6,50 € 5,58 € 5,36 € 5,23 € View 4,89 € 4,13 € 4,12 € 4,07 €	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: 4,30 € 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	4,30 € 3,97 € 3,85 € 3,81 € 3,73 €	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 - ATB3225-50011CT-T000 TDK 1: 1,98 € 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 1,98 € 1,38 € 1,04 € 0,906 € Reel 0,733 € View 0,815 € 0,693 €	Min.: 1 Mult.: 1 : 1.000	Baluns	Module									Single					ATB-CT		Reel, Cut Tape