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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.	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 120uH 1500V T/R=1 2% DC=600mA HX6164NL Pulse Electronics 1: £4.09 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	£4.09 £3.70 £3.50 £3.39 View £3.32 £3.18 £3.08 £2.68 £2.67	Min.: 1 Mult.: 1	PoE Transformers	Module	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 MDL QUAD 1GPP 1:1 SM TR NPB HX6400NLT Pulse Electronics 1: £21.93 80In Stock 510Expected 30/10/2026	Mfr. Part No. HX6400NLT Mouser Part No 673-HX6400NLT	Pulse Electronics	Audio Transformers / Signal Transformers MDL QUAD 1GPP 1:1 SM TR NPB Learn More about Pulse Electronics pulse 1gigabit poe poeplus smd transformers	Datasheet	80In Stock 510Expected 30/10/2026	Cut Tape £21.93 £19.75 £18.93 £18.32 Reel £16.34 View £17.01 £16.33 Quote	Min.: 1 Mult.: 1 : 170	LAN Transformers	Module	SMD/SMT	1 MHz to 125 MHz	150 uH			1.5 kV	- 40 C	+ 85 C	4 Channel	BGA	28.45 mm	17.27 mm	11.18 mm	HX	Reel, Cut Tape
Audio Transformers / Signal Transformers 18 UH LAN 2.5GBT HXB4009HLT Pulse Electronics 1: £3.41 542In Stock 2,340Expected 14/01/2027	Mfr. Part No. HXB4009HLT Mouser Part No 673-HXB4009HLT	Pulse Electronics	Audio Transformers / Signal Transformers 18 UH LAN 2.5GBT Learn More about Pulse Electronics hb hxb discrete lan transformers	Datasheet	542In Stock 2,340Expected 14/01/2027	Cut Tape £3.41 £3.09 £2.87 £2.79 Reel £2.41 View £2.67 £2.54 £2.08 £2.07 MouseReel Available	Min.: 1 Mult.: 1 : 780	LAN Transformers	LAN Discrete Modules with PoE	SMD/SMT					1.5 kVrms	- 40 C	+ 85 C	Single		15.1 mm	10 mm	4 mm	HXB	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1GBT-POE 1:1 EXT.HF LAN HXB5007HLT Pulse Electronics 1: £4.39 484In Stock 1,560Expected 05/11/2026	Mfr. Part No. HXB5007HLT Mouser Part No 673-HXB5007HLT	Pulse Electronics	Audio Transformers / Signal Transformers 1GBT-POE 1:1 EXT.HF LAN Learn More about Pulse Electronics hb hxb discrete lan transformers	Datasheet	484In Stock 1,560Expected 05/11/2026	Cut Tape £4.39 £3.71 £3.49 £3.13 Reel £2.22 View £2.96 £2.70 £2.14 £2.06 MouseReel Available	Min.: 1 Mult.: 1 : 780	LAN Transformers	LAN Discrete Modules	SMD/SMT					1.5 kVrms	- 40 C	+ 85 C	Single		15.1 mm	10 mm	4 mm	HXB	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers MOD, SIN, 1GD, 1:1,EXT. HF, SM HXB5011HLT Pulse Electronics 1: £5.05 2,952In Stock	Mfr. Part No. HXB5011HLT Mouser Part No 673-HXB5011HLT	Pulse Electronics	Audio Transformers / Signal Transformers MOD, SIN, 1GD, 1:1,EXT. HF, SM Learn More about Pulse Electronics hb hxb discrete lan transformers	Datasheet	2,952In Stock	Cut Tape £5.05 £4.31 £4.14 £4.01 Reel £2.88 View £3.80 £3.64 £3.53 £2.86 MouseReel Available	Min.: 1 Mult.: 1 : 1,200	LAN Transformers	LAN Discrete Modules	SMD/SMT					1.5 kVrms	- 40 C	+ 85 C	Single		15.6 mm	9.5 mm	2.3 mm	HXB	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers MDL, SIN, 1GD, 1:1,EXT. HF, SMD, T&R HXB5012HLT Pulse Electronics 1: £3.83 1,589In Stock	Mfr. Part No. HXB5012HLT Mouser Part No 673-HXB5012HLT	Pulse Electronics	Audio Transformers / Signal Transformers MDL, SIN, 1GD, 1:1,EXT. HF, SMD, T&R Learn More about Pulse Electronics hb hxb discrete lan transformers	Datasheet	1,589In Stock	Cut Tape £3.83 £3.47 £3.33 £3.23 Reel £2.95 View £3.13 £2.92 £2.81 £2.48 MouseReel Available	Min.: 1 Mult.: 1 : 350	LAN Transformers	LAN Discrete Modules	SMD/SMT					1.5 kVrms	- 40 C	+ 85 C	Single		17.6 mm	15.9 mm	6 mm	HXB	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers MDL, SIN, 1GPP, 1:1,EXT HF, SMD, T&R HXB6004HLT Pulse Electronics 1: £4.05 868In Stock	Mfr. Part No. HXB6004HLT Mouser Part No 673-HXB6004HLT	Pulse Electronics	Audio Transformers / Signal Transformers MDL, SIN, 1GPP, 1:1,EXT HF, SMD, T&R Learn More about Pulse Electronics hb hxb discrete lan transformers	Datasheet	868In Stock	Cut Tape £4.05 £3.67 £3.51 £3.40 Reel £3.25 View £3.30 £3.13 £2.50 MouseReel Available	Min.: 1 Mult.: 1 : 350	LAN Transformers	LAN Discrete Modules with PoE	SMD/SMT					1.5 kVrms	- 40 C	+ 85 C	Single		17.6 mm	15.9 mm	6 mm	HXB	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers MDL, SIN, 1GPP, 1:1,EXT HF, SMD, T&R HXB6005HLT Pulse Electronics 1: £4.01 1,035In Stock	Mfr. Part No. HXB6005HLT Mouser Part No 673-HXB6005HLT	Pulse Electronics	Audio Transformers / Signal Transformers MDL, SIN, 1GPP, 1:1,EXT HF, SMD, T&R Learn More about Pulse Electronics hb hxb discrete lan transformers	Datasheet	1,035In Stock	Cut Tape £4.01 £3.62 £3.47 £3.37 Reel £3.08 View £3.27 £3.06 £2.68 £2.47 MouseReel Available	Min.: 1 Mult.: 1 : 350	LAN Transformers	LAN Discrete Modules with PoE	SMD/SMT					1.5 kVrms	- 40 C	+ 85 C	Single		17.6 mm	15.9 mm	6 mm	HXB	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers THT Digital Audio 2500uH 1-Port PE-65612NL Pulse Electronics 1: £4.22 1,405In Stock	Mfr. Part No. PE-65612NL Mouser Part No 673-PE-65612NL	Pulse Electronics	Audio Transformers / Signal Transformers THT Digital Audio 2500uH 1-Port	Datasheet	1,405In Stock	£4.22 £3.54 £3.44 £2.98 View £2.87 £2.80 £2.74 £2.59	Min.: 1 Mult.: 1	Telecom Transformers	Module	Through Hole	100 kHz to 55 MHz				2 kV	0 C	+ 70 C	Single		12.7 mm	8.89 mm	6.35 mm		Tube
Audio Transformers / Signal Transformers SMD 10BaseT Islation 200uH .3Ohms 1-Port PE-65726NLT Pulse Electronics 1: £3.34 776In Stock	Mfr. Part No. PE-65726NLT Mouser Part No 673-PE-65726NLT	Pulse Electronics	Audio Transformers / Signal Transformers SMD 10BaseT Islation 200uH .3Ohms 1-Port	Datasheet	776In Stock	Cut Tape £3.34 £3.03 £2.82 £2.72 Reel £2.38 View £2.61 £2.47 £2.02 MouseReel Available	Min.: 1 Mult.: 1 : 850	LAN Transformers	Module	SMD/SMT		200 uH				0 C	+ 70 C	Single	DIP-16	12.7 mm	7.24 mm	5.08 mm	PE-65726	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers SMD Isolation Xfmr 100uH .3Ohms 1-Port PE-65728NL Pulse Electronics 1: £3.47 622In Stock	Mfr. Part No. PE-65728NL Mouser Part No 673-PE-65728NL	Pulse Electronics	Audio Transformers / Signal Transformers SMD Isolation Xfmr 100uH .3Ohms 1-Port	Datasheet	622In Stock	£3.47 £3.13 £2.86 £2.80 View £2.76 £2.67 £2.23 £2.21 Quote	Min.: 1 Mult.: 1	Telecom Transformers	Module	SMD/SMT	100 kHz	100 uH			2 kV	0 C	+ 70 C	Single		12.7 mm	9.4 mm	5.08 mm		Tube
Audio Transformers / Signal Transformers SMD 10BaseT Islation 140uH .3Ohms 1-Port PE-65745NL Pulse Electronics 1: £2.72 1,086In Stock	Mfr. Part No. PE-65745NL Mouser Part No 673-PE-65745NL	Pulse Electronics	Audio Transformers / Signal Transformers SMD 10BaseT Islation 140uH .3Ohms 1-Port	Datasheet	1,086In Stock	£2.72 £2.34 £2.10 £1.89 View £1.83 £1.74	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	100 kHz	140 uH			1.5 kV	0 C	+ 70 C	Dual		12.7 mm	9.4 mm	5.08 mm		Tube
Audio Transformers / Signal Transformers SMD Digital Audio 2500uH 1-Port PE-65812NLT Pulse Electronics 1: £3.47 1,609In Stock	Mfr. Part No. PE-65812NLT Mouser Part No 673-PE-65812NLT	Pulse Electronics	Audio Transformers / Signal Transformers SMD Digital Audio 2500uH 1-Port	Datasheet	1,609In Stock	Cut Tape £3.47 £3.13 £2.92 £2.71 Reel £2.58 View £2.47 £2.44 Quote MouseReel Available	Min.: 1 Mult.: 1 : 250	Telecom Transformers	Module	SMD/SMT	100 kHz to 55 MHz	2.5 mH			2 kV	0 C	+ 70 C	Single		12.06 mm	15.24 mm	8.64 mm		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers SMD T3/DS3/E3/STS-1 19uH 1-Port PE-65968NLT Pulse Electronics 1: £4.96 764In Stock	Mfr. Part No. PE-65968NLT Mouser Part No 673-PE-65968NLT	Pulse Electronics	Audio Transformers / Signal Transformers SMD T3/DS3/E3/STS-1 19uH 1-Port	Datasheet	764In Stock	Cut Tape £4.96 £4.78 £4.59 £4.45 Reel £3.95 View £4.31 £4.09 £3.38 £3.36 MouseReel Available	Min.: 1 Mult.: 1 : 500	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		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers THT CommonMode Choke 140uH .6Ohms PE-67531NL Pulse Electronics 1: £4.19 1,033In Stock	Mfr. Part No. PE-67531NL Mouser Part No 673-PE-67531NL	Pulse Electronics	Audio Transformers / Signal Transformers THT CommonMode Choke 140uH .6Ohms	Datasheet	1,033In Stock	£4.19 £3.45 £3.20 £3.00 View £2.83 £2.64	Min.: 1 Mult.: 1	Telecom Transformers	Module	Through Hole					500 V	0 C	+ 70 C	Single		10.16 mm				Tube
Audio Transformers / Signal Transformers 100Base-T SMD NonPoE .6Ohms 1-Port PE-68515LNL Pulse Electronics 1: £5.51 385In Stock	Mfr. Part No. PE-68515LNL Mouser Part No 673-PE-68515LNL	Pulse Electronics	Audio Transformers / Signal Transformers 100Base-T SMD NonPoE .6Ohms 1-Port	Datasheet	385In Stock	£5.51 £4.47 £4.33 £4.26 View £4.10 £4.00 £3.51	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	100 kHz to 100 MHz		100 Ohms		1.5 kV	0 C	+ 70 C	Single		25.4 mm	8.89 mm	9.4 mm		Tube
Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH .7Ohms 2-Por PE-68678NL Pulse Electronics 1: £4.34 818In Stock	Mfr. Part No. PE-68678NL Mouser Part No 673-PE-68678NL	Pulse Electronics	Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH .7Ohms 2-Por Learn More about Pulse Electronics pulsetelecom	Datasheet	818In Stock	£4.34 £3.93 £3.68 £3.57 View £3.50 £3.36 £3.02 £2.92 £2.70	Min.: 1 Mult.: 1	ISDN Transformers	Module	SMD/SMT	1 MHz to 100 MHz				1.5 kV	0 C	+ 70 C	Dual		12.83 mm	7.11 mm	6.22 mm		Tube
Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH .7Ohms 2-Port PE-68678NLT Pulse Electronics 1: £4.21 789In Stock	Mfr. Part No. PE-68678NLT Mouser Part No 673-PE-68678NLT	Pulse Electronics	Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH .7Ohms 2-Port	Datasheet	789In Stock	Cut Tape £4.21 £3.93 £3.77 £3.65 Reel £3.26 View £3.51 £3.33 £3.08 £2.72 MouseReel Available	Min.: 1 Mult.: 1 : 600	ISDN Transformers	Module	SMD/SMT	1 MHz to 100 MHz	600 nH			1.5 kV	0 C	+ 70 C	Dual		12.83 mm	7.11 mm	6.22 mm		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH .7Ohm 2-Port T1094NL Pulse Electronics 1: £4.34 550In Stock	Mfr. Part No. T1094NL Mouser Part No 673-T1094NL	Pulse Electronics	Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH .7Ohm 2-Port	Datasheet	550In Stock	£4.34 £3.93 £3.68 £3.57 View £3.50 £3.34 £3.27 £2.85 £2.82	Min.: 1 Mult.: 1	ISDN Transformers	Module	SMD/SMT		1.2 mH, 1.2 mH	1 Ohms, 1 Ohms	1 Ohms, 2 Ohms	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 1000uH 2Ohms 2-Port T1144NL Pulse Electronics 1: £4.34 891In Stock	Mfr. Part No. T1144NL Mouser Part No 673-T1144NL	Pulse Electronics	Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1000uH 2Ohms 2-Port	Datasheet	891In Stock	£4.34 £3.93 £3.68 £3.57 View £3.50 £3.34 £3.27 £2.82 £2.80	Min.: 1 Mult.: 1	ISDN Transformers	Module	SMD/SMT	50 kHz to 3 MHz	800 nH			1.5 kV	0 C	+ 70 C	Dual		12.83 mm	9.53 mm	6.22 mm		Tube
Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH .7Ohms 2-Por TX1089NL Pulse Electronics 1: £4.34 447In Stock	Mfr. Part No. TX1089NL Mouser Part No 673-TX1089NL	Pulse Electronics	Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH .7Ohms 2-Por	Datasheet	447In Stock	£4.34 £3.93 £3.68 £3.57 View £3.50 £3.33 £3.27 £2.72 £2.70	Min.: 1 Mult.: 1	ISDN Transformers	Module	SMD/SMT		1.2 mH, 1.2 mH	1 Ohms		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 .7Ohms 2-Port TX1089NLT Pulse Electronics 1: £4.34 400In Stock	Mfr. Part No. TX1089NLT Mouser Part No 673-TX1089NL673-T	Pulse Electronics	Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH .7Ohms 2-Port	Datasheet	400In Stock	Cut Tape £4.34 £3.93 £3.77 £3.61 Reel £2.90 View £3.46 £2.78 £2.75 MouseReel Available	Min.: 1 Mult.: 1 : 600	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		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH .8Ohms 1-Por TX1315NL Pulse Electronics 1: £4.05 543In Stock	Mfr. Part No. TX1315NL Mouser Part No 673-TX1315NL	Pulse Electronics	Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH .8Ohms 1-Por	Datasheet	543In Stock	£4.05 £3.67 £3.51 £3.29 View £3.20 £3.13 £3.04 £2.72 £2.71	Min.: 1 Mult.: 1	ISDN Transformers	Module	SMD/SMT		1.2 mH	1 Ohms		1.5 kV	- 40 C	+ 85 C	Single		7.62 mm	7 mm	6.35 mm		Tube
Audio Transformers / Signal Transformers X-1569T iNRCORE 1: £13.78 233In Stock	Mfr. Part No. X-1569T Mouser Part No 673-X-1569T	iNRCORE	Audio Transformers / Signal Transformers	Datasheet	233In Stock	Cut Tape £13.78 £12.40 £11.91 £11.53 View Reel £10.46 £11.17 £10.48 £10.46 Quote MouseReel Available	Min.: 1 Mult.: 1 : 400	Gate Drive Transformers		SMD/SMT	50 kHz	3.3 mH			1.5 kVDC	- 55 C	+ 130 C			9.01 mm	8.63 mm	7.62 mm		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN DP83822 SMT Transfrmr 100BT 1 Port ETR 749013011 Wurth Elektronik 1: £1.84 1,726In Stock 7,500Expected 19/11/2026	Mfr. Part No. 749013011 Mouser Part No 710-749013011	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN DP83822 SMT Transfrmr 100BT 1 Port ETR Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	1,726In Stock 7,500Expected 19/11/2026	Cut Tape £1.84 £1.80 Reel £1.57 MouseReel Available	Min.: 1 Mult.: 1 : 750	LAN Transformers	LAN	SMD/SMT		350 uH			1.5 kVAC	- 40 C	+ 85 C	Dual		12.95 mm	7.11 mm	5.33 mm	WE-LAN	Reel, Cut Tape, MouseReel