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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 SMD T1/CEPT/ISDN-Pri 1200uH .7Ohms 2-Por TX1287NL Pulse Electronics 1: 2,81 € 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	2,81 €	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 SMD T1/CEPT/ISDN-Pri 1200uH 8-Port TX1471NL Pulse Electronics 1: 8,39 € 283In Stock	Mfr. Part No. TX1471NL Mouser Part No 673-TX1471NL	Pulse Electronics	Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH 8-Port	Datasheet	283In Stock	8,39 € 7,27 € 6,99 € 6,81 € View 5,74 € 5,30 € 5,29 €	Min.: 1 Mult.: 1	ISDN Transformers	Module	SMD/SMT		1.2 mH			1.5 kV	- 40 C	+ 85 C	Octal	YB/1	25.4 mm	10.8 mm	7.11 mm			Tube
Audio Transformers / Signal Transformers WE-LAN 1KBsT nonPoE 350uH 2Port 1500Vrms 749020022A Wurth Elektronik 1: 14,71 € 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 14,71 € 12,15 € 10,47 € Reel 9,93 € 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: 2,27 € 1 337In 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 337In Stock	Cut Tape 2,27 € 1,71 € 1,63 € 1,60 € Reel 1,36 € 1,32 € 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: 5,85 € 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 5,85 € 4,54 € 4,35 € 4,22 € Reel 3,91 € View 4,09 € 3,79 € 3,67 € 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: 4,05 € 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	4,05 € 3,67 € 3,51 € 3,27 € View 2,74 € 2,39 €	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: 11,65 € 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	11,65 € 10,51 € 10,08 € 9,42 € View 8,02 € 7,91 €	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 € 7,83 € 7,51 € 7,26 € View 6,53 € 6,52 € 5,95 € 5,87 € 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: 2,95 € 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	2,95 € 2,78 € 2,76 € 2,67 € View 2,61 € 2,52 € 2,49 €	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 1000BaseT SMD NonPoE 350uH .65Ohms 2-Port HX5014NLT Pulse Electronics 1: 15,57 € 719In Stock	Mfr. Part No. HX5014NLT Mouser Part No 673-HX5014NLT	Pulse Electronics	Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 2-Port Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	719In Stock	Cut Tape 15,57 € 13,16 € 12,34 € 11,67 € Reel 10,63 € View 11,43 € 9,89 € MouseReel Available	Min.: 1 Mult.: 1 : 250	LAN Transformers	Module	SMD/SMT	1 MHz to 100 MHz				1.5 kV	- 40 C	+ 85 C	Single		27.813 mm	15.367 mm	7.239 mm	HX5014		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers THT T1/CEPT/ISDN-Pri 1200uH 1.3Ohm 1-Por PE-65351NL Pulse Electronics 1: 4,71 € 790In Stock	Mfr. Part No. PE-65351NL Mouser Part No 673-PE-65351NL	Pulse Electronics	Audio Transformers / Signal Transformers THT T1/CEPT/ISDN-Pri 1200uH 1.3Ohm 1-Por	Datasheet	790In Stock	4,71 € 4,04 € 3,88 € 3,14 € View 3,05 € 2,96 € 2,88 € 2,65 €	Min.: 1 Mult.: 1	ISDN Transformers	Module	Through Hole	50 kHz to 3 MHz	1.2 mH			1.5 kV	0 C	+ 70 C	Dual	HC/3	12.7 mm	8.89 mm	6.35 mm			Tube
Audio Transformers / Signal Transformers THT T1/CEPT/ISDN-Pri 1200uH 1Ohm 1-Port PE-65778NL Pulse Electronics 1: 4,76 € 1 590In Stock	Mfr. Part No. PE-65778NL Mouser Part No 673-PE-65778NL	Pulse Electronics	Audio Transformers / Signal Transformers THT T1/CEPT/ISDN-Pri 1200uH 1Ohm 1-Port	Datasheet	1 590In Stock	4,76 € 4,31 € 4,14 € 3,96 € View 3,79 € 3,13 € 3,01 € 2,93 €	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 10GBase-T SMD PoE 120uH 1-Port H7029FNL Pulse Electronics 1: 9,49 € 146In Stock	Mfr. Part No. H7029FNL Mouser Part No 673-H7029FNL	Pulse Electronics	Audio Transformers / Signal Transformers 10GBase-T SMD PoE 120uH 1-Port Learn More about Pulse Electronics pulse poe solutions	Datasheet	146In Stock	9,49 € 8,06 € 7,72 € 7,47 € View 6,81 € 6,14 € Quote	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	1 MHz to 500 MHz	120 uH			1.5 kV	0 C	+ 70 C	Single		13.7 mm	12.2 mm	5.72 mm	Discrete LAN		Tube
Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH 1-port HX5004ENL Pulse Electronics 1: 6,48 € 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	6,48 € 4,88 € 4,67 € 3,96 € View 3,94 € 3,90 €	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: 4,07 € 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	4,07 € 3,83 € 3,72 € 3,70 € 3,59 €	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: 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 € 4,71 € 4,17 €	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: 1,36 € 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 1,36 € 1,23 € 1,15 € 1,08 € View Reel 0,671 € 1,03 € 0,998 € 0,671 €	Min.: 1 Mult.: 1 : 1 000	Baluns	Module									Single					ATB-CT		Reel, Cut Tape
Audio Transformers / Signal Transformers FA2805 SMT Flyback For Si341, Si3402 FA2805-CLD Coilcraft 1: 4,45 € 585In Stock 2 275On 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	585In Stock 2 275On Order On Order Ship Dates Mfr. No: FA2805-CLD Stock: 585 Can Dispatch Immediately On Order: 875 Pending 1 400 Expected 11/23/2026 Factory Lead Time: 10 Weeks	Cut Tape 4,45 € 3,36 € 3,20 € 3,00 € Reel 2,74 € View 2,86 € 2,66 € 2,57 € 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: 6,42 € 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 6,42 € 4,99 € 4,78 € 4,64 € Reel 4,31 € View 4,49 € 4,17 € 4,04 € 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: 2,57 € 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 2,57 € 1,94 € 1,85 € 1,73 € Reel 1,58 € View 1,65 € 1,53 € 1,49 € 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: 5,68 € 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 5,68 € 4,85 € 4,15 € Reel 3,39 € 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 TRANSFORMER AUDIO & SIGNAL CX2039LNLT Pulse Electronics 1: 4,09 € 1 953In Stock	Mfr. Part No. CX2039LNLT Mouser Part No 673-CX2039LNLT	Pulse Electronics	Audio Transformers / Signal Transformers TRANSFORMER AUDIO & SIGNAL	Datasheet	1 953In Stock	Cut Tape 4,09 € 2,91 € 2,46 € 2,15 € View Reel 1,70 € 2,00 € 1,82 € 1,70 €	Min.: 1 Mult.: 1 : 2 000	RF Transformers		SMD/SMT	1.5 MHz to 4.5 MHz					- 40 C	+ 85 C	Single	SMD-5	3.81 mm	3.81 mm	2.79 mm	CX		Reel, Cut Tape
Audio Transformers / Signal Transformers Wideband RF 75 Ohm 1:1CT 50-450MHz SMD CX2041NL Pulse Electronics 1: 3,56 € 3 432In Stock	Mfr. Part No. CX2041NL Mouser Part No 673-CX2041NL	Pulse Electronics	Audio Transformers / Signal Transformers Wideband RF 75 Ohm 1:1CT 50-450MHz SMD	Datasheet	3 432In Stock	3,56 € 2,21 € 1,94 € 1,64 € 1,50 €	Min.: 1 Mult.: 1 Max.: 400	RF Transformers		SMD/SMT	50 kHz to 450 MHz		75 Ohms			- 40 C	+ 85 C	Single		3.81 mm	3.81 mm	2.79 mm	CX20xxNL/LNL		Tray
Audio Transformers / Signal Transformers XFMR,RF,SGL,RAC,1:4CT, T&R NPB CX2047LANLT Pulse Electronics 1: 2,93 € 1 540In Stock	Mfr. Part No. CX2047LANLT Mouser Part No 673-CX2047LANLT	Pulse Electronics	Audio Transformers / Signal Transformers XFMR,RF,SGL,RAC,1:4CT, T&R NPB	Datasheet	1 540In Stock	Cut Tape 2,93 € 2,32 € 1,73 € 1,53 € 1,40 € Reel 1,30 €	Min.: 1 Mult.: 1 : 2 000	RF Transformers		SMD/SMT						- 40 C	+ 85 C			3.81 mm	3.81 mm	2.79 mm			Reel, Cut Tape
Audio Transformers / Signal Transformers 1000Base-T BGA PoE+ 350uH .65Ohms 4-Port H6400NL Pulse Electronics 1: 21,63 € 179In Stock	Mfr. Part No. H6400NL Mouser Part No 673-H6400NL	Pulse Electronics	Audio Transformers / Signal Transformers 1000Base-T BGA PoE+ 350uH .65Ohms 4-Port Learn More about Pulse Electronics pulse poe solutions	Datasheet	179In Stock	21,63 € 18,22 € 16,86 € 15,69 € 15,04 €	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	1 MHz to 125 MHz	350 uH			1.5 kV	0 C	+ 70 C	Quad		28.45 mm	17.27 mm	11.18 mm	Discrete LAN		Tray