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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 (CHF) 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: CHF 40.81 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	CHF 40.81 CHF 29.15 CHF 24.49 CHF 20.41 View CHF 16.32 CHF 13.88 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 BMS Transformer/CMC,6PIN,SGL,4.3kVDC SM91542AL-E Bourns 1: CHF 2.18 1’646In Stock	Mfr. Part No. SM91542AL-E Mouser Part No 652-SM91542AL-E	Bourns	Audio Transformers / Signal Transformers BMS Transformer/CMC,6PIN,SGL,4.3kVDC Learn More about Bourns sm91542al bms transformer	Datasheet	1’646In Stock	Cut Tape CHF 2.18 CHF 1.99 CHF 1.82 CHF 1.69 View Reel CHF 1.24 CHF 1.31 CHF 1.29 CHF 1.24 CHF 1.24 MouseReel Available	Min.: 1 Mult.: 1 : 4’000	BMS Transformers		SMD/SMT		450 uH				- 40 C	+ 125 C						SM91542AL	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers HV Balun Adaptor for SMPTE-292M HDTV HFBL075100A iNRCORE 1: CHF 967.10 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	CHF 967.10	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: CHF 3.00 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 CHF 3.00 CHF 2.43 CHF 2.06 CHF 1.93 CHF 1.89 Reel CHF 1.60 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 1:1 CORE & WIRE Transformer, 800 MHz - 6.8 GHz, 50? TTC1-682W+ Mini-Circuits 1: CHF 9.77 194In Stock 1’500Expected 11/2/2026	Mfr. Part No. TTC1-682W+ Mouser Part No 139-TTC1-682W+	Mini-Circuits	Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 800 MHz - 6.8 GHz, 50? Learn More about Mini-Circuits mini circuits ttc1 682w rf transformer	Datasheet	194In Stock 1’500Expected 11/2/2026	Cut Tape CHF 9.77 CHF 9.11 CHF 8.52 Reel CHF 8.52 MouseReel Available	Min.: 1 Mult.: 1 : 500	RF Transformers	Surface Mount RF Transformer	SMD/SMT	800 MHz to 6.8 GHz					- 40 C	+ 85 C	1 Channel	GU2939	2.54 mm	1.27 mm	1.88 mm	TTC1	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1:1 LTCC Transformer, 2150 - 3600 MHz, 50? TCW1-362+ Mini-Circuits 1: CHF 1.45 1’275In 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	1’275In Stock	Cut Tape CHF 1.45 CHF 1.39 Reel CHF 1.38 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 5-10000 MHz MABA-011108 MACOM 1: CHF 12.75 4’839In Stock 14’000On Order	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	4’839In Stock 14’000On Order On Order Ship Dates Mfr. No: MABA-011108 Stock: 4’839 Can Dispatch Immediately On Order: 6’000 Expected 10/15/2026 8’000 Expected 12/21/2026 Factory Lead Time: 26 Weeks	Cut Tape CHF 12.75 CHF 10.08 CHF 9.66 CHF 9.56 Reel CHF 8.12 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 10/100BASE-TX SMD Ultra 16P 1-Port TG110-S050N2RLTR HALO Electronics 1: CHF 3.15 13’132In 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	13’132In Stock	Cut Tape CHF 3.15 CHF 2.57 CHF 2.08 CHF 1.79 Reel CHF 1.63 View CHF 1.64 CHF 1.51 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: CHF 1’025.15 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	CHF 1’025.15	Min.: 1 Mult.: 1	Baluns	Module	Connector			100 Ohms			- 55 C	+ 125 C	Single					HFBL	Tube
Audio Transformers / Signal Transformers LAN XFMR 10G BASE-T (PoE+) TM7008ANL Taoglas 1: CHF 7.55 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 CHF 7.55 CHF 6.81 CHF 6.34 CHF 6.14 CHF 5.43 Reel CHF 5.00 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 EXTMP XFMR 100BT SMG COM PBC 100B-1003XNL iNRCORE 1: CHF 19.36 1’189In Stock	Mfr. Part No. 100B-1003XNL Mouser Part No 673-100B-1003XNL	iNRCORE	Audio Transformers / Signal Transformers EXTMP XFMR 100BT SMG COM PBC	Datasheet	1’189In Stock	CHF 19.36 CHF 17.44 CHF 16.84 CHF 15.84 View CHF 15.55 CHF 15.28	Min.: 1 Mult.: 1																100B	Tube
Audio Transformers / Signal Transformers Flux Coupled 1:1 Transformer 0.4-500MHz MABA-009180-500MHz MACOM 1: CHF 2.97 21’458In 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	21’458In Stock	Cut Tape CHF 2.97 CHF 2.41 CHF 2.04 CHF 1.92 CHF 1.87 Reel CHF 1.58 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 LAN Transformer/CMC,12PIN,100Base,SGL,4.0kVAC, -40 to 105C SM91078L-E Bourns 1: CHF 8.85 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 CHF 8.85 CHF 7.33 CHF 7.05 CHF 6.75 Reel CHF 5.57 View CHF 6.57 CHF 4.42 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: CHF 5.84 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 CHF 5.84 Reel CHF 5.83 CHF 5.78 CHF 5.63 CHF 5.52 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 DA2033 Cap Chrgr For Linear LT3750/51 DA2033-ALD Coilcraft 1: CHF 5.59 485In Stock 3’575On 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	485In Stock 3’575On Order On Order Ship Dates Mfr. No: DA2033-ALD Stock: 485 Can Dispatch Immediately On Order: 1’400 Expected 9/25/2026 2’175 Expected 10/19/2026 Factory Lead Time: 10 Weeks	Cut Tape CHF 5.59 CHF 4.33 CHF 4.17 CHF 4.03 Reel CHF 3.74 View CHF 3.90 CHF 3.63 CHF 3.51 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: CHF 7.85 722In 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	722In Stock	Cut Tape CHF 7.85 CHF 6.65 CHF 6.38 CHF 6.04 Reel CHF 5.74 View CHF 5.85 CHF 5.55 CHF 5.37 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: CHF 3.56 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 CHF 3.56 CHF 2.69 CHF 2.57 Reel CHF 2.19 CHF 2.12 CHF 2.06 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 10/100/1000 Base-T Transformer 1 Port 749024012 Wurth Elektronik 1: CHF 17.56 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 CHF 17.56 CHF 16.95 CHF 16.01 Reel CHF 14.31 CHF 13.42 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 DA2257 PoE Trnsfmr For TI LM5071/72 DA2257-ALD Coilcraft 1: CHF 4.19 1’040In Stock 1’750Expected 11/23/2026	Mfr. Part No. DA2257-ALD Mouser Part No 994-DA2257-ALD	Coilcraft	Audio Transformers / Signal Transformers DA2257 PoE Trnsfmr For TI LM5071/72 Learn More about Coilcraft power magnetics	Datasheet	1’040In Stock 1’750Expected 11/23/2026	Cut Tape CHF 4.19 CHF 3.16 CHF 3.02 CHF 2.83 Reel CHF 2.58 View CHF 2.70 CHF 2.50 CHF 2.42 MouseReel Available	Min.: 1 Mult.: 1 : 175	PoE Transformers	Flyback	SMD/SMT	250 kHz	35 uH			2 kV	- 40 C	+ 85 C	Single		13.46 mm	13 mm	12.7 mm	DA2257	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers FA2469 Flyback For STMicro STLC3075 FA2469-ALD Coilcraft 1: CHF 3.46 926In Stock 900Expected 12/11/2026	Mfr. Part No. FA2469-ALD Mouser Part No 994-FA2469-ALD	Coilcraft	Audio Transformers / Signal Transformers FA2469 Flyback For STMicro STLC3075 Learn More about Coilcraft power magnetics	Datasheet	926In Stock 900Expected 12/11/2026	Cut Tape CHF 3.46 CHF 2.61 CHF 2.49 CHF 2.33 Reel CHF 2.06 View CHF 2.22 CHF 2.13 CHF 1.99 MouseReel Available	Min.: 1 Mult.: 1 : 450	Flyback Transformers	Flyback	SMD/SMT	10 kHz	19 uH			1.5 kV	- 40 C	+ 85 C	Single		10.92 mm	8.6 mm	9.02 mm	FA2469	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers POE13P Flyback PoE 127uH 5.0 V 2.6 A POE13P-50LD Coilcraft 1: CHF 4.52 1’005In Stock 1’050Expected 11/26/2026	Mfr. Part No. POE13P-50LD Mouser Part No 994-POE13P-50LD	Coilcraft	Audio Transformers / Signal Transformers POE13P Flyback PoE 127uH 5.0 V 2.6 A Learn More about Coilcraft poexp flyback transformers	Datasheet	1’005In Stock 1’050Expected 11/26/2026	Cut Tape CHF 4.52 CHF 3.42 CHF 3.25 CHF 3.04 Reel CHF 2.79 View CHF 2.90 CHF 2.70 CHF 2.62 MouseReel Available	Min.: 1 Mult.: 1 : 175	PoE Transformers	Flyback	SMD/SMT	250 kHz					- 40 C	+ 85 C	Single		13.46 mm	13 mm	12.7 mm	POE13P	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers PWB Wideband RF 1:16 0.075-90 MHz PWB-16-BLC Coilcraft 1: CHF 5.73 1’662In Stock	Mfr. Part No. PWB-16-BLC Mouser Part No 994-PWB-16-BLC	Coilcraft	Audio Transformers / Signal Transformers PWB Wideband RF 1:16 0.075-90 MHz	Datasheet	1’662In Stock	Cut Tape CHF 5.73 CHF 4.45 CHF 4.27 CHF 4.14 Reel CHF 3.84 View CHF 4.01 CHF 3.72 CHF 3.60 MouseReel Available	Min.: 1 Mult.: 1 : 250	RF Transformers															PWB	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:4 0.250-800 MHz WBC4-4LC Coilcraft 1: CHF 4.31 613In Stock 750Expected 11/9/2026	Mfr. Part No. WBC4-4LC Mouser Part No 994-WBC4-4LC	Coilcraft	Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:4 0.250-800 MHz	Datasheet	613In Stock 750Expected 11/9/2026	Cut Tape CHF 4.31 CHF 3.25 CHF 3.09 CHF 2.90 View Reel CHF 2.49 CHF 2.77 CHF 2.65 CHF 2.56 CHF 2.49 MouseReel Available	Min.: 1 Mult.: 1 : 750	RF Transformers		SMD/SMT	250 kHz to 800 MHz					- 40 C	+ 85 C			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: CHF 53.74 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	CHF 53.74 CHF 48.30 CHF 46.27 CHF 45.79 View CHF 45.33 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: CHF 3.48 3’409In 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	3’409In Stock 2’750Expected 12/14/2026	Cut Tape CHF 3.48 CHF 2.62 CHF 2.50 CHF 2.34 Reel CHF 2.14 View CHF 2.24 CHF 2.08 CHF 2.01 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