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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	Packaging
Audio Transformers / Signal Transformers 2.5Gig Reinforced SMD 24P ISO MOD TGR2G-S420N24LF HALO Electronics 1: 43,60 € 84In Stock New Product	Mfr. Part No. TGR2G-S420N24LF Mouser Part No 493-TGR2G-S420N24LF New Product	HALO Electronics	Audio Transformers / Signal Transformers 2.5Gig Reinforced SMD 24P ISO MOD		84In Stock	43,60 € 31,14 € 26,16 € 21,81 € View 17,44 € 14,83 € Quote	Min.: 1 Mult.: 1	Ethernet Transformers	Isolated	SMD/SMT		350 uH			4000 Vrms	- 40 C	+ 85 C		SMD-24	19.05 mm	12.19 mm	11.94 mm	TGR2G
Audio Transformers / Signal Transformers PWB Wideband RF 1:1 0.0035-125 MHz PWB2010LC Coilcraft 1: 5,59 € 7 099In Stock	Mfr. Part No. PWB2010LC Mouser Part No 994-PWB2010LC	Coilcraft	Audio Transformers / Signal Transformers PWB Wideband RF 1:1 0.0035-125 MHz	Datasheet	7 099In Stock	Cut Tape 5,59 € 4,22 € 4,02 € Reel 3,45 € 3,34 € 3,23 € MouseReel Available	Min.: 1 Mult.: 1 : 250	RF Transformers		SMD/SMT	3.5 kHz to 125 MHz	780 uH, 780 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 1:1 LTCC Transformer, 2150 - 3600 MHz, 50? TCW1-362+ Mini-Circuits 1: 1,55 € 1 263In Stock	Mfr. Part No. TCW1-362+ Mouser Part No 139-TCW1-362+	Mini-Circuits	Audio Transformers / Signal Transformers 1:1 LTCC Transformer, 2150 - 3600 MHz, 50?	Datasheet	1 263In Stock	Cut Tape 1,55 € 1,49 € Reel 1,47 € MouseReel Available	Min.: 1 Mult.: 1 : 500	RF Transformers		SMD/SMT	2.15 GHz to 3.6 GHz					- 55 C	+ 125 C						TCW1	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Flux Coupled 1:1 Transformer 0.4-500MHz MABA-009180-500MHz MACOM 1: 3,17 € 21 350In Stock	Mfr. Part No. MABA-009180-500MHz Mouser Part No 937-009180-500MHZ	MACOM	Audio Transformers / Signal Transformers Flux Coupled 1:1 Transformer 0.4-500MHz	Datasheet	21 350In Stock	Cut Tape 3,17 € 2,58 € 2,18 € 2,05 € 2,00 € Reel 1,69 € MouseReel Available	Min.: 1 Mult.: 1 : 2 000	RF Transformers		SMD/SMT	400 kHz to 500 MHz					- 40 C	+ 85 C	Single		3.81 mm	3.81 mm	2.79 mm		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers HV Balun Adaptor for SMPTE-292M HDTV HFBL075100A iNRCORE 1: 1 033,23 € 29In Stock	Mfr. Part No. HFBL075100A Mouser Part No 673-HFBL075100A	iNRCORE	Audio Transformers / Signal Transformers HV Balun Adaptor for SMPTE-292M HDTV	Datasheet	29In Stock	1 033,23 €	Min.: 1 Mult.: 1	Baluns	Module	Connector			100 Ohms			- 55 C	+ 125 C			2.55 mm	1.16 mm	1.1 mm	HFBL	Tube
Audio Transformers / Signal Transformers Transformer, 1:1 RF, 5-1200MHz MABA-007748-CT1160 MACOM 1: 3,20 € 8 568In Stock	Mfr. Part No. MABA-007748-CT1160 Mouser Part No 937-MABA007748CT1160	MACOM	Audio Transformers / Signal Transformers Transformer, 1:1 RF, 5-1200MHz	Datasheet	8 568In Stock	Cut Tape 3,20 € 2,60 € 2,20 € 2,06 € 2,02 € Reel 1,71 € MouseReel Available	Min.: 1 Mult.: 1 : 2 000	RF Transformers		SMD/SMT	5 MHz to 1.2 GHz		75 Ohms	75 Ohms		- 40 C	+ 85 C	Single		3.81 mm	2.79 mm	3.8 mm		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 10/100BASE-TX SMD Ultra 16P 1-Port TG110-S050N2RLTR HALO Electronics 1: 3,37 € 13 107In Stock	Mfr. Part No. TG110-S050N2RLTR Mouser Part No 493-TG110-S050N2RLTR	HALO Electronics	Audio Transformers / Signal Transformers 10/100BASE-TX SMD Ultra 16P 1-Port Learn More about HALO Electronics halo 10 100base tx transformers	Datasheet	13 107In Stock	Cut Tape 3,37 € 2,75 € 2,22 € 1,91 € Reel 1,74 € View 1,75 € 1,61 € MouseReel Available	Min.: 1 Mult.: 1 : 1 000	LAN Isolation Transformers	Module	SMD/SMT		400 nH			1.5 kV	0 C	+ 70 C	Single	SMD-16	12.7 mm	7.11 mm	5.08 mm	TG110	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers HV Balun Adaptor for SMPTE-292M HDTV HFBL075100B iNRCORE 1: 1 095,25 € 47In Stock	Mfr. Part No. HFBL075100B Mouser Part No 673-HFBL075100B	iNRCORE	Audio Transformers / Signal Transformers HV Balun Adaptor for SMPTE-292M HDTV	Datasheet	47In Stock	1 095,25 €	Min.: 1 Mult.: 1	Baluns	Module	Connector			100 Ohms			- 55 C	+ 125 C	Single					HFBL	Tube
Audio Transformers / Signal Transformers 5-10000 MHz MABA-011108 MACOM 1: 13,62 € 10 829In Stock 8 000Expected 12/21/2026	Mfr. Part No. MABA-011108 Mouser Part No 937-MABA-011108	MACOM	Audio Transformers / Signal Transformers 5-10000 MHz Learn More about MACOM maba 011108 transmission line balun	Datasheet	10 829In Stock 8 000Expected 12/21/2026	Cut Tape 13,62 € 10,77 € 10,32 € 10,21 € Reel 8,67 € MouseReel Available	Min.: 1 Mult.: 1 : 500	Baluns		SMD/SMT	5 MHz to 10 GHz		50 Ohms			- 55 C	+ 85 C	Single	SMD-6	3.81 mm	3.81 mm	3.22 mm		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers LAN Transformer/CMC,12PIN,100Base,SGL,4.0kVAC, -40 to 105C SM91078L-E Bourns 1: 9,36 € 1 145In Stock	Mfr. Part No. SM91078L-E Mouser Part No 652-SM91078L-E	Bourns	Audio Transformers / Signal Transformers LAN Transformer/CMC,12PIN,100Base,SGL,4.0kVAC, -40 to 105C Learn More about Bourns sm91078l transformer	Datasheet	1 145In Stock	Cut Tape 9,36 € 9,35 € 7,73 € 7,43 € Reel 5,87 € View 7,12 € 6,92 € 4,72 € MouseReel Available	Min.: 1 Mult.: 1 : 400	LAN Transformers	LAN	SMD/SMT		350 uH			4 kV	- 40 C	+ 105 C	1 Channel		30.6 mm	18.6 mm	9.6 mm		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers RF XFMR / SURF MOUNT / RoHS ADTT4-1+ Mini-Circuits 1: 6,24 € 4 087In Stock	Mfr. Part No. ADTT4-1+ Mouser Part No 139-ADTT4-1	Mini-Circuits	Audio Transformers / Signal Transformers RF XFMR / SURF MOUNT / RoHS	Datasheet	4 087In Stock	Cut Tape 6,24 € Reel 6,23 € 6,18 € 6,02 € 5,90 € MouseReel Available	Min.: 1 Mult.: 1 : 100	RF Transformers		SMD/SMT	200 kHz to 120 MHz		50 Ohms	50 Ohms		- 20 C	+ 85 C	Single	7.87 mm x 5.59 mm x 4.11 mm	7.87 mm	5.59 mm	4.11 mm	ADTT4	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers LAN XFMR 10G BASE-T (PoE+) TM7008ANL Taoglas 1: 8,07 € 729In Stock	Mfr. Part No. TM7008ANL Mouser Part No 960-TM7008ANL	Taoglas	Audio Transformers / Signal Transformers LAN XFMR 10G BASE-T (PoE+) Learn More about Taoglas tm lan transformers	Datasheet	729In Stock	Cut Tape 8,07 € 7,28 € 6,77 € 6,56 € 5,80 € Reel 5,19 € MouseReel Available	Min.: 1 Mult.: 1 : 450	LAN Transformers	LAN Transformer	SMD/SMT		120 uH				- 40 C	+ 85 C			13.7 mm	15.2 mm	5.72 mm	Exos	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 10/100/1000 Base-T Transformer 1 Port 749024012 Wurth Elektronik 1: 18,76 € 1 562In Stock	Mfr. Part No. 749024012 Mouser Part No 710-749024012	Wurth Elektronik	Audio Transformers / Signal Transformers 10/100/1000 Base-T Transformer 1 Port Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	1 562In Stock	Cut Tape 18,76 € 18,11 € 17,11 € Reel 15,29 € 14,34 € MouseReel Available	Min.: 1 Mult.: 1 : 175	LAN Transformers	LAN	SMD/SMT		350 uH			4 kVAC	- 40 C	+ 85 C			28.57 mm	12.7 mm	12.7 mm	WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers EXTMP XFMR 100BT SMG COM PBC 100B-1003XNL iNRCORE 1: 20,67 € 1 186In Stock	Mfr. Part No. 100B-1003XNL Mouser Part No 673-100B-1003XNL	iNRCORE	Audio Transformers / Signal Transformers EXTMP XFMR 100BT SMG COM PBC	Datasheet	1 186In Stock	20,67 € 18,61 € 17,99 € 16,60 € 16,33 €	Min.: 1 Mult.: 1																100B	Tube
Audio Transformers / Signal Transformers WE-LAN AQ SMD Tfrmr 10/100/1000 Base-T 749020310 Wurth Elektronik 1: 6,02 € 5 409In Stock 2 000On Order	Mfr. Part No. 749020310 Mouser Part No 710-749020310	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN AQ SMD Tfrmr 10/100/1000 Base-T Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	5 409In Stock 2 000On Order	Cut Tape 6,02 € 5,28 € 4,71 € Reel 4,07 € 3,30 € MouseReel Available	Min.: 1 Mult.: 1 : 400	LAN Transformers	LAN	SMD/SMT	500 kHz to 100 MHz	350 uH			1.501 kVAC	- 40 C	+ 85 C	Single	17.53 mm x 14.6 mm x 4.5 mm	17.53 mm	16.51 mm	4.5 mm	WE-LANAQ	Reel, Cut Tape, MouseReel
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 XFMR LAN 10/100/1000 BASE-T 1000B-5003FX iNRCORE 1: 57,41 € 29In Stock	Mfr. Part No. 1000B-5003FX Mouser Part No 673-1000B-5003FX	iNRCORE	Audio Transformers / Signal Transformers XFMR LAN 10/100/1000 BASE-T	Datasheet	29In Stock	57,41 € 51,60 € 49,43 € 48,92 € View 48,43 € Quote	Min.: 1 Mult.: 1		Ethernet Transformers	SMD/SMT		350 uH			1500 Vrms	- 55 C	+ 125 C	2 Channel		27.94 mm	10.54 mm	8.64 mm		Tube
Audio Transformers / Signal Transformers PWB Wideband RF 1:1 0.0035-125 MHz PWB1010LC Coilcraft 1: 3,72 € 1 978In Stock 2 750Expected 12/14/2026	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 978In Stock 2 750Expected 12/14/2026	Cut Tape 3,72 € 2,80 € 2,67 € 2,50 € Reel 2,29 € View 2,39 € 2,22 € 2,15 € 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 DA2033 Cap Chrgr For Linear LT3750/51 DA2033-ALD Coilcraft 1: 5,97 € 2 674In Stock 1 375On Order	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 674In Stock 1 375On Order On Order Ship Dates Mfr. No: DA2033-ALD Stock: 2 674 Can Dispatch Immediately On Order: 1 000 Expected 10/1/2026 375 Expected 10/29/2026 Factory Lead Time: 10 Weeks	Cut Tape 5,97 € 4,63 € 4,45 € 4,31 € Reel 4,00 € View 4,17 € 3,88 € 3,75 € 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: 8,39 € 697In 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	697In Stock	Cut Tape 8,39 € 7,10 € 6,82 € 6,45 € Reel 6,13 € View 6,25 € 5,93 € 5,74 € 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: 3,80 € 2 414In 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	2 414In Stock	Cut Tape 3,80 € 2,87 € 2,75 € Reel 2,34 € 2,27 € 2,20 € 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 1812WBT SMT Wideband 1:1 4-200 MHz 1812WBT-3LC Coilcraft 1: 2,84 € 3 108In 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 108In Stock	Cut Tape 2,84 € 2,14 € 2,04 € 1,91 € Reel 1,69 € View 1,82 € 1,75 € 1,63 € 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