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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 (GBP) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	Product	Type	Termination Style	Frequency Range	Inductance	Isolation Voltage	Minimum Operating Temperature	Maximum Operating Temperature	Number of Channels	Package/Case	Length	Width	Height	Series	Packaging
Audio Transformers / Signal Transformers 1000 BASE-T 0C-70C 1-PORT B78476A8249A003 TDK 1: £3.08 694In Stock	Mfr. Part No. B78476A8249A003 Mouser Part No 871-B78476A8249A3	TDK	Audio Transformers / Signal Transformers 1000 BASE-T 0C-70C 1-PORT Learn More about TDK epcos b78476 modules	Datasheet	694In Stock	Cut Tape £3.08 £2.78 £2.73 £2.57 Reel £2.43 View £2.35 £2.17 £2.08 £2.02 MouseReel Available	Min.: 1 Mult.: 1 : 350		LAN Transformers	Module	SMD/SMT	100 kHz to 100 MHz	350 uH	1.5 kV	0 C	+ 70 C	Single		17.6 mm	12.1 mm	5.8 mm	B78476A	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1000 BASE-T -40C+85C 1-PORT B78476A8251A003 TDK 1: £3.08 3,761In Stock	Mfr. Part No. B78476A8251A003 Mouser Part No 871-B78476A8251A3	TDK	Audio Transformers / Signal Transformers 1000 BASE-T -40C+85C 1-PORT Learn More about TDK epcos b78476 modules	Datasheet	3,761In Stock	Cut Tape £3.08 £2.78 £2.60 £2.51 Reel £2.38 View £2.30 £2.17 £2.08 MouseReel Available	Min.: 1 Mult.: 1 : 350		LAN Transformers	Module	SMD/SMT	100 kHz to 100 MHz	350 uH	1.5 kV	- 40 C	+ 85 C	Single		17.6 mm	12.1 mm	5.8 mm	B78476A	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1000 BASE-T -40C+85C 2-PORT B78476A8252A003 TDK 1: £4.48 453In Stock	Mfr. Part No. B78476A8252A003 Mouser Part No 871-B78476A8252A3	TDK	Audio Transformers / Signal Transformers 1000 BASE-T -40C+85C 2-PORT Learn More about TDK epcos b78476 modules	Datasheet	453In Stock	Cut Tape £4.48 £4.05 £3.88 £3.76 Reel £3.45 View £3.64 £3.33 £3.20 £3.03 MouseReel Available	Min.: 1 Mult.: 1 : 350		LAN Transformers	Module	SMD/SMT		350 uH		- 40 C	+ 85 C	Dual		27.69 mm	7.29 mm	8.41 mm	B78476A	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers DA2032 Cap Chrgr For Linear LT3750 DA2032-ALD Coilcraft 1: £5.12 3,399In Stock	Mfr. Part No. DA2032-ALD Mouser Part No 994-DA2032-ALD	Coilcraft	Audio Transformers / Signal Transformers DA2032 Cap Chrgr For Linear LT3750 Learn More about Coilcraft power magnetics	Datasheet	3,399In Stock	Cut Tape £5.12 £3.99 £3.83 £3.71 Reel £3.38 View £3.58 £3.27 £3.15 £3.13 MouseReel Available	Min.: 1 Mult.: 1 : 200		Flyback Transformers	Flyback	SMD/SMT	100 kHz	10 uH	1.5 kV	- 40 C	+ 125 C	Single		17.2 mm	14.98 mm	8.89 mm	DA2032	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers ETH1 PoE+ Magnetics 2-pair cabling @30W ETH1-230LD Coilcraft 1: £6.64 1,687In Stock	Mfr. Part No. ETH1-230LD Mouser Part No 994-ETH1-230L	Coilcraft	Audio Transformers / Signal Transformers ETH1 PoE+ Magnetics 2-pair cabling @30W Learn More about Coilcraft eth1 xl transformers	Datasheet	1,687In Stock	Cut Tape £6.64 £6.00 £5.75 £5.57 Reel £4.97 View £5.40 £5.13 £4.84 MouseReel Available	Min.: 1 Mult.: 1 : 400		LAN Transformers	Module	SMD/SMT	1 MHz to 100 MHz	350 uH	1.5 kV	- 40 C	+ 85 C	Dual		17.65 mm	15.75 mm	8.26 mm	ETH1	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers GA3459 for LT3751 500V 20A GA3459-BL Coilcraft 1: £7.44 2,132In Stock	Mfr. Part No. GA3459-BL Mouser Part No 994-GA3459-BL	Coilcraft	Audio Transformers / Signal Transformers GA3459 for LT3751 500V 20A Learn More about Coilcraft power magnetics	Datasheet	2,132In Stock	£7.44 £6.57 £6.27 £6.15 View £5.96 £5.71 £5.53 £5.36	Min.: 1 Mult.: 1		Flyback Transformers	Flyback	SMD/SMT	50 kHz	5 uH	1.5 kV	- 40 C	+ 125 C	Single		26.75 mm	26 mm	14 mm	GA3459	Tray
Audio Transformers / Signal Transformers NA5920 12W 0.013Ohms For LT8586 NA5920-ALD Coilcraft 1: £3.78 1,026In Stock	Mfr. Part No. NA5920-ALD Mouser Part No 994-NA5920-ALD	Coilcraft	Audio Transformers / Signal Transformers NA5920 12W 0.013Ohms For LT8586 Learn More about Coilcraft power magnetics	Datasheet	1,026In Stock	Cut Tape £3.78 £2.98 £2.87 £2.68 Reel £2.55 View £2.44 £2.39 £2.31 Quote MouseReel Available	Min.: 1 Mult.: 1 : 200			Flyback	SMD/SMT	140 kHz	4 uH	1.5 kV	- 40 C	+ 85 C	Single		12.7 mm	10.5 mm	11.43 mm	NA5920	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers POE13F Flyback PoE 13uH 12 V 1.1 A POE13F-12LD Coilcraft 1: £4.00 1,164In Stock 2,800On Order	Mfr. Part No. POE13F-12LD Mouser Part No 994-POE13F-12LD	Coilcraft	Audio Transformers / Signal Transformers POE13F Flyback PoE 13uH 12 V 1.1 A Learn More about Coilcraft poexf flyback transformers	Datasheet	1,164In Stock 2,800On Order On Order Ship Dates Mfr. No: POE13F-12LD Stock: 1,164 Can Dispatch Immediately On Order: 1,600 Expected 28/10/2026 1,200 Expected 23/11/2026 Factory Lead Time: 10 Weeks	Cut Tape £4.00 £3.17 £3.05 £2.85 Reel £2.70 View £2.58 £2.54 £2.45 Quote MouseReel Available	Min.: 1 Mult.: 1 : 200		PoE Transformers	Flyback	SMD/SMT	250 kHz			- 40 C	+ 125 C	Single		17.2 mm	14.98 mm	8.51 mm	POE13F	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers POE13P Flyback PoE 13uH 12 V 1.08 A POE13P-12LD Coilcraft 1: £2.73 2,233In Stock 19,425On Order	Mfr. Part No. POE13P-12LD Mouser Part No 994-POE13P-12LD	Coilcraft	Audio Transformers / Signal Transformers POE13P Flyback PoE 13uH 12 V 1.08 A Learn More about Coilcraft poexp flyback transformers	Datasheet	2,233In Stock 19,425On Order On Order Ship Dates Mfr. No: POE13P-12LD Stock: 2,233 Can Dispatch Immediately On Order: 8,925 Expected 20/11/2026 10,500 Expected 28/12/2026 Factory Lead Time: 10 Weeks	Cut Tape £2.73 £2.22 £2.13 £2.00 Reel £1.91 View £1.87 £1.78 £1.73 £1.67 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 POE300F Flyback PoE+ 30uH 12 V 2.5 A POE300F-12LD Coilcraft 1: £5.61 652In Stock	Mfr. Part No. POE300F-12LD Mouser Part No 994-POE300F-12LD	Coilcraft	Audio Transformers / Signal Transformers POE300F Flyback PoE+ 30uH 12 V 2.5 A Learn More about Coilcraft poe300f flyback transformers	Datasheet	652In Stock	Cut Tape £5.61 £4.80 £4.60 £4.46 Reel £3.93 View £4.14 £3.78 £3.68 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 1:1 0.130-425 MHz PWB-1-BLC Coilcraft 1: £2.94 929In Stock	Mfr. Part No. PWB-1-BLC Mouser Part No 994-PWB-1-BLC	Coilcraft	Audio Transformers / Signal Transformers PWB Wideband RF 1:1 0.130-425 MHz	Datasheet	929In Stock	Cut Tape £2.94 £2.43 Reel £2.07 £2.01 £1.91 View £1.85 £1.80 MouseReel Available	Min.: 1 Mult.: 1 : 250		RF Transformers		SMD/SMT	130 kHz to 425 MHz			- 40 C	+ 85 C	Single		6.77 mm	6.48 mm	4.45 mm	PWB	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers PWB Wideband RF 1:1 0.0035-125 MHz PWB3010LC Coilcraft 1: £4.43 2,400In Stock 6,750On Order	Mfr. Part No. PWB3010LC Mouser Part No 994-PWB3010LC	Coilcraft	Audio Transformers / Signal Transformers PWB Wideband RF 1:1 0.0035-125 MHz	Datasheet	2,400In Stock 6,750On Order On Order Ship Dates Mfr. No: PWB3010LC Stock: 2,400 Can Dispatch Immediately On Order: 4,250 Expected 30/11/2026 2,500 Expected 06/01/2027 Factory Lead Time: 11 Weeks	Cut Tape £4.43 £3.44 £3.43 Reel £2.92 £2.82 View £2.72 £2.71 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 Wideband RF, SMD 250mA 1:1sec SWB1010-SMLD Coilcraft 1: £3.08 2,371In Stock 2,000Expected 20/11/2026	Mfr. Part No. SWB1010-SMLD Mouser Part No 994-SWB1010-SMLD	Coilcraft	Audio Transformers / Signal Transformers Wideband RF, SMD 250mA 1:1sec Learn More about Coilcraft swb transformers	Datasheet	2,371In Stock 2,000Expected 20/11/2026	Cut Tape £3.08 £2.51 £2.48 Reel £2.11 £2.01 View £1.95 £1.89 MouseReel Available	Min.: 1 Mult.: 1 : 500		RF Transformers		SMD/SMT	5 kHz to 100 MHz	780 uH	500 V	- 40 C	+ 85 C	Single	13.21 mm x 7.87 mm x 5.72 mm	13.21 mm	7.87 mm	5.72 mm	SWB	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:2 0.200-500 MHz WBC2-1TLC Coilcraft 1: £4.34 1,643In Stock 5,250Expected 20/11/2026	Mfr. Part No. WBC2-1TLC Mouser Part No 994-WBC2-1TLC	Coilcraft	Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:2 0.200-500 MHz	Datasheet	1,643In Stock 5,250Expected 20/11/2026	Cut Tape £4.34 £4.02 £3.95 £3.88 Reel £3.31 View £3.82 £3.44 £3.38 £3.30 MouseReel Available	Min.: 1 Mult.: 1 : 750		RF Transformers		SMD/SMT	200 kHz to 500 MHz	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 1:4 0.300-700 MHz WBC4-6TLC Coilcraft 1: £4.05 719In Stock 1,500Expected 30/11/2026	Mfr. Part No. WBC4-6TLC Mouser Part No 994-WBC4-6TLC	Coilcraft	Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:4 0.300-700 MHz	Datasheet	719In Stock 1,500Expected 30/11/2026	Cut Tape £4.05 £3.20 £3.08 £2.87 Reel £2.57 View £2.72 £2.61 £2.49 Quote MouseReel Available	Min.: 1 Mult.: 1 : 750		RF Transformers		SMD/SMT	300 kHz to 700 MHz	36 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 TCS SNGL 1000BT 1:124 SMT PBC 1000B-5001FX iNRCORE 1: £32.48 1,041In Stock	Mfr. Part No. 1000B-5001FX Mouser Part No 673-1000B-5001FX	iNRCORE	Audio Transformers / Signal Transformers XFMR TCS SNGL 1000BT 1:124 SMT PBC Learn More about iNRCORE pulser 1000 base t transformers	Datasheet	1,041In Stock	£32.48 £29.09 £27.88 £26.98 View £25.73 £24.71 Quote	Min.: 1 Mult.: 1	No	LAN Transformers	Module							Dual					1000B-F	Tube
Audio Transformers / Signal Transformers XFMR LAN 10/100/1000 BASE-T 1000B-5001FXT iNRCORE 1: £31.83 432In Stock 900Expected 02/12/2026	Mfr. Part No. 1000B-5001FXT Mouser Part No 673-1000B-5001FXT	iNRCORE	Audio Transformers / Signal Transformers XFMR LAN 10/100/1000 BASE-T	Datasheet	432In Stock 900Expected 02/12/2026	Cut Tape £31.83 £28.64 £27.46 £26.58 View Reel £24.44 £26.00 £24.44 Quote MouseReel Available	Min.: 1 Mult.: 1 : 300	No	LAN Transformers		SMD/SMT		350 uH	1500 Vrms	- 55 C	+ 125 C	1 Channel		17.53 mm	12.19 mm	5.72 mm	1000B	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 10/100BASE-TX SMD -40/125C 16P 1Port TG110-EX50N5LF HALO Electronics 1: £6.74 448In Stock New Product	Mfr. Part No. TG110-EX50N5LF Mouser Part No 493-TG110-EX50N5LF New Product	HALO Electronics	Audio Transformers / Signal Transformers 10/100BASE-TX SMD -40/125C 16P 1Port	Datasheet	448In Stock	£6.74 £4.81 £4.04 £3.37 View £2.52 £2.02 £1.84	Min.: 1 Mult.: 1															TG110	Tube
Audio Transformers / Signal Transformers HALO Electronics TGR01-7206V6LFTR TGR01-7206V6LFTR HALO Electronics 1: £11.31 500In Stock	Mfr. Part No. TGR01-7206V6LFTR Mouser Part No 493-TGR01-7206V6LFTR	HALO Electronics	Audio Transformers / Signal Transformers		500In Stock	Cut Tape £11.31 £8.08 £6.79 £5.66 Reel £4.71 View £3.85 £3.77 £3.62 MouseReel Available	Min.: 1 Mult.: 1 : 300															TGR	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers LAN Transformer/CMC,12PIN,100Base,SGL,4.0kVAC, -40 to 105C SM91078L-E Bourns 1: £9.43 144In 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	144In Stock	Cut Tape £9.43 £9.42 £7.99 £7.73 Reel £4.43 View £7.45 £5.17 £4.35 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 LAN Transformer/CMC,24PIN,1000Base-T,4.68kVDC, -40 to 105C SM91604L-E Bourns 1: £15.42 341In Stock	Mfr. Part No. SM91604L-E Mouser Part No 652-SM91604L-E	Bourns	Audio Transformers / Signal Transformers LAN Transformer/CMC,24PIN,1000Base-T,4.68kVDC, -40 to 105C Learn More about Bourns sm91604l lan transformer	Datasheet	341In Stock	Cut Tape £15.42 £13.89 £13.31 £12.89 Reel £11.38 View £12.48 £12.03 £11.26 Quote MouseReel Available	Min.: 1 Mult.: 1 : 400		LAN Transformers	LAN Transformer	SMD/SMT		350 uH		- 40 C	+ 105 C	1 Channel	33 mm x 17 mm x 10.5 mm	33 mm	17 mm	10.5 mm		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-PLC PLC 1 channel 4500Vrms isolation -40/ +125C 74941502 Wurth Elektronik 1: £2.72 571In Stock	Mfr. Part No. 74941502 Mouser Part No 710-74941502	Wurth Elektronik	Audio Transformers / Signal Transformers WE-PLC PLC 1 channel 4500Vrms isolation -40/ +125C Learn More about Wurth Elektronik wurth we plc transformers	Datasheet	571In Stock	Cut Tape £2.72 £2.50 £2.23 £2.02 Reel £1.72 MouseReel Available	Min.: 1 Mult.: 1 : 500		Transformers	SMT Transformer	SMD/SMT		20 uH	4.5 kVAC	- 40 C	+ 125 C	1 Channel		13.6 mm	11.26 mm	7.4 mm	WE-PLC	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-PLC PLC 1 channel 4500Vrms isolation -40/ +125C 74941503 Wurth Elektronik 1: £2.72 442In Stock	Mfr. Part No. 74941503 Mouser Part No 710-74941503	Wurth Elektronik	Audio Transformers / Signal Transformers WE-PLC PLC 1 channel 4500Vrms isolation -40/ +125C Learn More about Wurth Elektronik wurth we plc transformers	Datasheet	442In Stock	Cut Tape £2.72 £2.50 £2.23 £2.02 Reel £1.72 MouseReel Available	Min.: 1 Mult.: 1 : 500		Transformers	SMT Transformer	SMD/SMT		20 uH	4.5 kVAC	- 40 C	+ 125 C	1 Channel		13.6 mm	11.26 mm	7.4 mm	WE-PLC	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Transformer (3.06 : 1 Ratio) QPP0020TR13 Qorvo 1: £3.38 984In Stock	Mfr. Part No. QPP0020TR13 Mouser Part No 772-QPP0020TR13	Qorvo	Audio Transformers / Signal Transformers Transformer (3.06 : 1 Ratio) Learn More about Qorvo qpp0020 audio signal transformers	Datasheet	984In Stock	Cut Tape £3.38 £2.51 £2.30 £2.07 Reel £1.90 View £1.96 £1.91 £1.80 £1.76	Min.: 1 Mult.: 1 : 1,000		Transformers		SMD/SMT	45 MHz to 1.218 GHz			- 30 C	+ 100 C	1 Channel	SP-6	5.5 mm	3.9 mm	4 mm	QPP0020	Reel, Cut Tape
Audio Transformers / Signal Transformers LAN XFMR 10/100 BASE-T SINGLE TM1102NL Taoglas 1: £1.16 1,103In Stock	Mfr. Part No. TM1102NL Mouser Part No 960-TM1102NL	Taoglas	Audio Transformers / Signal Transformers LAN XFMR 10/100 BASE-T SINGLE Learn More about Taoglas tm lan transformers	Datasheet	1,103In Stock	Cut Tape £1.16 £0.969 £0.89 £0.871 Reel £0.871 View £0.863 £0.705 £0.686 MouseReel Available	Min.: 1 Mult.: 1 : 650		LAN Transformers	LAN Transformer	SMD/SMT		350 uH		0 C	+ 70 C			12.85 mm	9.4 mm	5.75 mm	Exos	Reel, Cut Tape, MouseReel