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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	Qualification	Packaging
Audio Transformers / Signal Transformers SMD T3/DS3/E3/STS-1 19uH 1-Port PE-65968NLT Pulse Electronics 1: £5.29 804In 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	804In Stock	Cut Tape £5.29 £4.52 £4.33 £4.21 Reel £3.72 View £4.07 £3.90 £3.33 £3.27 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 100BaseTX SMD NonPoE 2-Port HX1294FNLT Pulse Electronics 1: £6.46 176In Stock	Mfr. Part No. HX1294FNLT Mouser Part No 673-HX1294FNLT	Pulse Electronics	Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 2-Port Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	176In Stock	Cut Tape £6.46 £5.67 £5.45 £5.12 Reel £4.92 View £4.98 £4.77 £4.67 Quote	Min.: 1 Mult.: 1 : 350	LAN Transformers	Module	SMD/SMT	100 kHz to 100 MHz					- 40 C	+ 85 C	Dual		18.44 mm	13.67 mm	5.87 mm	HX		Reel, Cut Tape
Audio Transformers / Signal Transformers 1812WBT SMT Wideband Wideband 1812WBT-2LC Coilcraft 1: £2.49 588In Stock	Mfr. Part No. 1812WBT-2LC Mouser Part No 994-1812WBT-2LC	Coilcraft	Audio Transformers / Signal Transformers 1812WBT SMT Wideband Wideband Learn More about Coilcraft 1812WBT	Datasheet	588In Stock	Cut Tape £2.49 £1.88 £1.79 £1.75 Reel £1.48 £1.43 MouseReel Available	Min.: 1 Mult.: 1 : 600	RF Transformers		SMD/SMT	800 kHz to 60 MHz					- 40 C	+ 85 C	Single		4.52 mm	3.81 mm	3.43 mm	1812WBT		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers KA5038 Flyback For ON Semi NCP1236 KA5038-BL Coilcraft 1: £12.86 67In Stock	Mfr. Part No. KA5038-BL Mouser Part No 994-KA5038-BL	Coilcraft	Audio Transformers / Signal Transformers KA5038 Flyback For ON Semi NCP1236 Learn More about Coilcraft power magnetics	Datasheet	67In Stock	£12.86 £12.65 £12.64 £10.75 View £10.29 £9.97 £9.65	Min.: 1 Mult.: 1	Flyback Transformers	Flyback	Through Hole	50 kHz	560 uH			3 kV	- 40 C	+ 85 C	Single		42 mm	33.5 mm	23.24 mm	KA5038		Tray
Audio Transformers / Signal Transformers 10Base-T SMD NonPoE 140uH .6Ohms 1-Port 23Z467SMNL Pulse Electronics 1: £3.72 389In Stock	Mfr. Part No. 23Z467SMNL Mouser Part No 673-23Z467SMNL	Pulse Electronics	Audio Transformers / Signal Transformers 10Base-T SMD NonPoE 140uH .6Ohms 1-Port	Datasheet	389In Stock	£3.72 £3.16 £3.03 £2.93 View £2.92 £2.38	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	100 kHz	140 uH	1 Ohms	1 Ohms	2 kV	0 C	+ 70 C	Single		11.43 mm	6.73 mm	5.59 mm	23Z467		Tube
Audio Transformers / Signal Transformers 20uH 3KV 1:1:1 2% AEC-Q200 BX6158NL Pulse Electronics 1: £3.65 271In Stock	Mfr. Part No. BX6158NL Mouser Part No 673-BX6158NL	Pulse Electronics	Audio Transformers / Signal Transformers 20uH 3KV 1:1:1 2% AEC-Q200 Learn More about Pulse Electronics bm bmu bx transformers	Datasheet	271In Stock	£3.65 £3.13 £2.99 £2.90 View £2.81 £2.72 £2.68 £2.23	Min.: 1 Mult.: 1	Power Line Communication Transformers	PLC	SMD/SMT						- 40 C	+ 125 C	Single		11.31 mm	10.43 mm	7.3 mm	BX	AEC-Q200	Tube
Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 4-Por H5401NL Pulse Electronics 1: £17.43 61In Stock	Mfr. Part No. H5401NL Mouser Part No 673-H5401NL	Pulse Electronics	Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 4-Por Learn More about Pulse Electronics pulse 1gigabit poe poeplus smd transformers	Datasheet	61In Stock	£17.43 £15.57 £14.99 £14.30 View £13.24 £13.10	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	1 MHz to 125 MHz	350 uH			1.5 kV	0 C	+ 70 C	4 Channel	BGA	28.45 mm	17.27 mm	11.18 mm			Tray
Audio Transformers / Signal Transformers RF XFMR / SURF MOUNT / RoHS ADT2-162T+ Mini-Circuits 1: £6.68 43In Stock	Mfr. Part No. ADT2-162T+ Mouser Part No 139-ADT2-162T	Mini-Circuits	Audio Transformers / Signal Transformers RF XFMR / SURF MOUNT / RoHS	Datasheet	43In Stock	Cut Tape £6.68 £6.30 Reel £6.30 MouseReel Available	Min.: 1 Mult.: 1 : 100																ADT2		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1:2 CORE & WIRE Transformer, 50 - 1000 MHz, 75? JTX-2-10TA+ Mini-Circuits 1: £15.84 31In Stock 100Expected 26/11/2026	Mfr. Part No. JTX-2-10TA+ Mouser Part No 139-JTX-2-10TA	Mini-Circuits	Audio Transformers / Signal Transformers 1:2 CORE & WIRE Transformer, 50 - 1000 MHz, 75?	Datasheet	31In Stock 100Expected 26/11/2026	Cut Tape £15.84 £8.87 £8.75 Reel £8.75 MouseReel Available	Min.: 1 Mult.: 1 : 100																JTX		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1:1:2 Core & Wire Transformer, 0.07-200 MHz, 50 ohm T2-613-1-KK81+ Mini-Circuits 1: £2.37 148In Stock	Mfr. Part No. T2-613-1-KK81+ Mouser Part No 139-T2-613-1-KK81	Mini-Circuits	Audio Transformers / Signal Transformers 1:1:2 Core & Wire Transformer, 0.07-200 MHz, 50 ohm	Datasheet	148In Stock	Cut Tape £2.37 £2.36 £2.33 £2.10 Reel £2.10 MouseReel Available	Min.: 1 Mult.: 1 : 100	RF Transformers	Core and Wire Transformer	SMD/SMT	70 kHz to 200 MHz		50 Ohms			- 20 C	+ 85 C	3 Channel	KK81	7.62 mm	6.86 mm	5.84 mm	T2		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS TC1-1-13M-75X+ Mini-Circuits 1: £2.44 618In Stock 4,000Expected 07/10/2026	Mfr. Part No. TC1-1-13M-75X+ Mouser Part No 139-TC1-1-13M-75X	Mini-Circuits	Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS Learn More about Mini-Circuits mini circuits tc1 transformers	Datasheet	618In Stock 4,000Expected 07/10/2026	Cut Tape £2.44 £1.58 £1.20 £1.12 Reel £1.09 £1.06 MouseReel Available	Min.: 1 Mult.: 1 : 500																TC1		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS TC1.33-1T-75X+ Mini-Circuits 1: £2.76 345In Stock	Mfr. Part No. TC1.33-1T-75X+ Mouser Part No 139-TC1.33-1T-75X	Mini-Circuits	Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS Learn More about Mini-Circuits mini circuits tc1 transformers	Datasheet	345In Stock	Cut Tape £2.76 £1.90 £1.53 £1.47 Reel £1.40 MouseReel Available	Min.: 1 Mult.: 1 : 500																TC1.33		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS TC1.5-52T+ Mini-Circuits 1: £3.36 122In Stock	Mfr. Part No. TC1.5-52T+ Mouser Part No 139-TC1.5-52T	Mini-Circuits	Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS Learn More about Mini-Circuits mini circuits tc1 transformers	Datasheet	122In Stock	Cut Tape £3.36 £2.37 £2.02 £1.94 Reel £1.89 MouseReel Available	Min.: 1 Mult.: 1 : 500																TC1.5		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS TCM3-1TX+ Mini-Circuits 1: £2.55 591In Stock	Mfr. Part No. TCM3-1TX+ Mouser Part No 139-TCM3-1TX	Mini-Circuits	Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS Learn More about Mini-Circuits mini circuits tcm transformers	Datasheet	591In Stock	Cut Tape £2.55 £1.69 £1.34 £1.26 Reel £1.26 MouseReel Available	Min.: 1 Mult.: 1 : 500																TCM3		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers RF XFMR / SURF MOUNT / RoHS TRS1-23-75+ Mini-Circuits 1: £2.37 335In Stock	Mfr. Part No. TRS1-23-75+ Mouser Part No 139-TRS1-23-75	Mini-Circuits	Audio Transformers / Signal Transformers RF XFMR / SURF MOUNT / RoHS Learn More about Mini-Circuits mini circuits trs transformers	Datasheet	335In Stock	Cut Tape £2.37 £2.26 £2.23 Reel £2.23 MouseReel Available	Min.: 1 Mult.: 1 : 500																TRS1		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers T1/E1 ISO MOD THT 6Pin 1CT:1CT 1Ch TD15-1205ALF HALO Electronics 1: £4.24 112In Stock	Mfr. Part No. TD15-1205ALF Mouser Part No 493-TD15-1205ALF	HALO Electronics	Audio Transformers / Signal Transformers T1/E1 ISO MOD THT 6Pin 1CT:1CT 1Ch Learn More about HALO Electronics halo telecom transformers	Datasheet	112In Stock	£4.24 £2.74 £2.24 £1.81 View £1.52 £1.31 £1.26 £1.21	Min.: 1 Mult.: 1	Isolation Transformers	Module	Through Hole		1.2 mH			1.5 kV	0 C	+ 70 C	Single	DIP-6	12.7 mm	8.89 mm	6.35 mm	TD-T1		Tube
Audio Transformers / Signal Transformers GIGABIT ISO MOD SMD 24P 1-Port w/Choke TG1G-S031NYRL HALO Electronics 1: £10.89 349In Stock	Mfr. Part No. TG1G-S031NYRL Mouser Part No 493-TG1G-S031NYRL	HALO Electronics	Audio Transformers / Signal Transformers GIGABIT ISO MOD SMD 24P 1-Port w/Choke Learn More about HALO Electronics halo gigabit ethernet transformers	Datasheet	349In Stock	£10.89 £7.03 £4.02 £3.63 £3.40	Min.: 1 Mult.: 1	LAN Isolation Transformers	Module	SMD/SMT	1 MHz to 100 MHz	350 uH			1.5 kV	0 C	+ 70 C	Dual	SMD-24	15.24 mm	13.72 mm	6.35 mm	TG1G		Tube
Audio Transformers / Signal Transformers 10BASE-T SMD 1-Port GullWing 1:41 TG42-1406N1LF HALO Electronics 1: £4.34 510In Stock	Mfr. Part No. TG42-1406N1LF Mouser Part No 493-TG42-1406N1LF	HALO Electronics	Audio Transformers / Signal Transformers 10BASE-T SMD 1-Port GullWing 1:41 Learn More about HALO Electronics halo 10base t ethernet transformers	Datasheet	510In Stock	£4.34 £2.79 £2.27 £1.84 View £1.55 £1.33 £1.27 £1.25	Min.: 1 Mult.: 1	LAN Isolation Transformers	Module	SMD/SMT		140 uH			1.5 kV	0 C	+ 70 C	Single	SMD-16	12.7 mm	7.11 mm	5.08 mm	TG-10BT		Tube
Audio Transformers / Signal Transformers TG91-1505J24RL HALO Electronics 1: £17.25 31In Stock	Mfr. Part No. TG91-1505J24RL Mouser Part No 493-TG91-1505J24RL	HALO Electronics	Audio Transformers / Signal Transformers	Datasheet	31In Stock	£17.25 £12.33 £10.35 £8.63 View £6.47 £5.17 £4.71	Min.: 1 Mult.: 1	Telecom Transformers	Isolated	SMD/SMT						- 40 C	+ 85 C	Octal		25.4 mm	7.62 mm	7.34 mm	SMD-T1		Tube
Audio Transformers / Signal Transformers 1:1 Core & Wire Transformer, 0.15 - 400 Mhz, 50ohm T1-1-KK81+ Mini-Circuits 1: £3.97 250In Stock	Mfr. Part No. T1-1-KK81+ Mouser Part No 139-T1-1-KK81	Mini-Circuits	Audio Transformers / Signal Transformers 1:1 Core & Wire Transformer, 0.15 - 400 Mhz, 50ohm	Datasheet	250In Stock	Cut Tape £3.97 £3.92 Reel £3.92 MouseReel Available	Min.: 1 Mult.: 1 : 100	RF Transformers	Core and Wire Transformer	SMD/SMT	150 kHz to 400 MHz		50 Ohms	50 Ohms		- 20 C	+ 85 C		KK81-6	7.62 mm	6.86 mm	5.84 mm	T1		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 0.015 - 300 MHz, 50? T1-6T+ Mini-Circuits 1: £8.59 40In Stock	Mfr. Part No. T1-6T+ Mouser Part No 139-T1-6T+	Mini-Circuits	Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 0.015 - 300 MHz, 50?	Datasheet	40In Stock	£8.59	Min.: 1 Mult.: 1	RF Transformers	Transformer	SMD/SMT	15 kHz to 300 MHz		50 Ohms	50 Ohms		- 20 C	+ 85 C	1 Channel	W38				T1		Bulk
Audio Transformers / Signal Transformers T1/E1 ISO MOD SMD GullWing 6P SingleCh TG04-1205NSRL HALO Electronics 1: £4.48 90In Stock	Mfr. Part No. TG04-1205NSRL Mouser Part No 493-TG04-1205NSRL	HALO Electronics	Audio Transformers / Signal Transformers T1/E1 ISO MOD SMD GullWing 6P SingleCh Learn More about HALO Electronics halo telecom transformers	Datasheet	90In Stock	£4.48 £2.88 £2.36 £1.90 View £1.61 £1.38 £1.32 £1.28	Min.: 1 Mult.: 1	Isolation Transformers	Module	SMD/SMT		1.2 mH			1.5 kV	0 C	+ 70 C	Single	SMD-6	8.13 mm	7.11 mm	5.08 mm	SMD-T1		Tube
Audio Transformers / Signal Transformers 10/100BASE-TX SMD POE DUAL PORT 350mA 1CT:1CT -40 / 85C 350uH 1500Vrms TG110-RPE12NJLF HALO Electronics 1: £20.23 9In Stock New At Mouser	Mfr. Part No. TG110-RPE12NJLF Mouser Part No 493-TG110-RPE12NJLF New At Mouser	HALO Electronics	Audio Transformers / Signal Transformers 10/100BASE-TX SMD POE DUAL PORT 350mA 1CT:1CT -40 / 85C 350uH 1500Vrms		9In Stock	£20.23 £14.45 £12.13 £10.11 View £7.58 £6.06 £5.52 Quote	Min.: 1 Mult.: 1																TG110		Tube
Audio Transformers / Signal Transformers GIGABIT ISO MOD SMD 24P Lw Prfl 1 Port TG111-S001J24RL HALO Electronics 1: £14.57 72In Stock	Mfr. Part No. TG111-S001J24RL Mouser Part No 493-TG111-S001J24RL	HALO Electronics	Audio Transformers / Signal Transformers GIGABIT ISO MOD SMD 24P Lw Prfl 1 Port Learn More about HALO Electronics halo gigabit ethernet transformers	Datasheet	72In Stock	£14.57 £9.41 £7.67 £6.21 View £5.20 £4.49 £4.29 £4.16	Min.: 1 Mult.: 1	LAN Isolation Transformers	Module	SMD/SMT		350 uH			1.5 kV	0 C	+ 70 C	Dual	SMD-24	13.21 mm	12.19 mm	3.76 mm	TG1G		Tube
Audio Transformers / Signal Transformers T1/E1 ISO MOD SMD GullWing 16P Dual Ch TG74-1505N1RLTR HALO Electronics 1: £5.61 214In Stock 1,000Expected 01/01/2027	Mfr. Part No. TG74-1505N1RLTR Mouser Part No 493-TG74-1505N1RLTR	HALO Electronics	Audio Transformers / Signal Transformers T1/E1 ISO MOD SMD GullWing 16P Dual Ch Learn More about HALO Electronics halo telecom transformers	Datasheet	214In Stock 1,000Expected 01/01/2027	Cut Tape £5.61 £3.64 £2.97 £2.39 Reel £1.68 View £2.02 £1.75 £1.67 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Isolation Transformers	Module	SMD/SMT		1.5 mH			1.5 kV	- 40 C	+ 85 C	Dual	SMD-16	12.7 mm	7.11 mm	5.08 mm	SMD-T1		Reel, Cut Tape, MouseReel