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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 High Frequency Resonant Transformers ETD39 200W 500uH 12V 145mOhm SLLC-ETD39-12 Bel Signal Transformer 1: £7.11 610In Stock	Mfr. Part No. SLLC-ETD39-12 Mouser Part No 530-SLLC-ETD39-12	Bel Signal Transformer	Audio Transformers / Signal Transformers High Frequency Resonant Transformers ETD39 200W 500uH 12V 145mOhm Learn More about Bel Signal Transformer bel sllc transformers	Datasheet	610In Stock	£7.11 £6.41 £6.15 £5.96 View £5.67 £5.50 £5.33 £4.78 Quote	Min.: 1 Mult.: 1	Transformers	High Frequency Resonant Transformer	Through Hole	70 kHz to 120 kHz	500 uH			4 kV	- 40 C	+ 125 C			44 mm	43 mm	30 mm	SLLC	Tray
Audio Transformers / Signal Transformers High Frequency Resonant Transformers ETD44 250W 476uH 12V 128mOhm SLLC-ETD44-12 Bel Signal Transformer 1: £8.51 607In Stock	Mfr. Part No. SLLC-ETD44-12 Mouser Part No 530-SLLC-ETD44-12	Bel Signal Transformer	Audio Transformers / Signal Transformers High Frequency Resonant Transformers ETD44 250W 476uH 12V 128mOhm Learn More about Bel Signal Transformer bel sllc transformers	Datasheet	607In Stock	£8.51 £7.68 £7.32 £6.95 View £6.73 £6.60 £6.39 £5.71 Quote	Min.: 1 Mult.: 1	Transformers	High Frequency Resonant Transformer	Through Hole	70 kHz to 120 kHz	476 uH			4 kV	- 40 C	+ 125 C			48 mm	46 mm	27.5 mm	SLLC	Tray
Audio Transformers / Signal Transformers High Frequency Universal Line SMD Transformers 16/8/5 12W 1310uH 24/5V 3000mOhm SUOST-12-2405 Bel Signal Transformer 1: £4.46 600In Stock	Mfr. Part No. SUOST-12-2405 Mouser Part No 530-SUOST-12-2405	Bel Signal Transformer	Audio Transformers / Signal Transformers High Frequency Universal Line SMD Transformers 16/8/5 12W 1310uH 24/5V 3000mOhm Learn More about Bel Signal Transformer bel suost transformers	Datasheet	600In Stock	£4.46 £4.03 £3.88 £3.75 View £3.62 £3.48 £3.31 £3.02 £2.98	Min.: 1 Mult.: 1	Transformers	High Frequency Universal Line SMD Transformer	SMD/SMT	60 kHz to 150 kHz	1.31 mH	3 Ohms		4 kVAC	- 40 C	+ 125 C	1 Channel		20.6 mm	16.6 mm	13.5 mm	SUOST	Tray
Audio Transformers / Signal Transformers High Frequency Universal Line SMD Transformers 16/8/5 13W 1250uH 12/12V 2920mOhm SUOST-13-1212 Bel Signal Transformer 1: £4.46 597In Stock	Mfr. Part No. SUOST-13-1212 Mouser Part No 530-SUOST-13-1212	Bel Signal Transformer	Audio Transformers / Signal Transformers High Frequency Universal Line SMD Transformers 16/8/5 13W 1250uH 12/12V 2920mOhm Learn More about Bel Signal Transformer bel suost transformers	Datasheet	597In Stock	£4.46 £4.03 £3.88 £3.75 View £3.65 £3.57 £3.31 £2.99 £2.95	Min.: 1 Mult.: 1	Transformers	High Frequency Universal Line SMD Transformer	SMD/SMT	60 kHz to 150 kHz	1.25 mH			4 kVAC	- 40 C	+ 125 C	1 Channel		20.6 mm	16.6 mm	13.5 mm	SUOST	Tray
Audio Transformers / Signal Transformers High Frequency Universal Line SMD Transformers 16/8/5 15W 1500uH 12/5V 6500mOhm SUOST-15-1205 Bel Signal Transformer 1: £4.46 594In Stock	Mfr. Part No. SUOST-15-1205 Mouser Part No 530-SUOST-15-1205	Bel Signal Transformer	Audio Transformers / Signal Transformers High Frequency Universal Line SMD Transformers 16/8/5 15W 1500uH 12/5V 6500mOhm Learn More about Bel Signal Transformer bel suost transformers	Datasheet	594In Stock	£4.46 £4.03 £3.88 £3.75 View £3.61 £3.47 £3.31 £2.99 £2.96	Min.: 1 Mult.: 1	Transformers	High Frequency Universal Line SMD Transformer	SMD/SMT	60 kHz to 150 kHz	1.5 mH			4 kVAC	- 40 C	+ 125 C	1 Channel		20.6 mm	16.6 mm	13.5 mm	SUOST	Tray
Audio Transformers / Signal Transformers High Frequency Universal Line SMD Transformers 16/8/5 16W 1500uH 12/12V 4200mOhm SUOST-16-1212 Bel Signal Transformer 1: £4.46 591In Stock	Mfr. Part No. SUOST-16-1212 Mouser Part No 530-SUOST-16-1212	Bel Signal Transformer	Audio Transformers / Signal Transformers High Frequency Universal Line SMD Transformers 16/8/5 16W 1500uH 12/12V 4200mOhm Learn More about Bel Signal Transformer bel suost transformers	Datasheet	591In Stock	£4.46 £4.03 £3.88 £3.75 View £3.68 £3.58 £3.31 £3.14 £2.97	Min.: 1 Mult.: 1	Transformers	High Frequency Universal Line SMD Transformer	SMD/SMT	60 kHz to 150 kHz	1.5 mH			4 kVAC	- 40 C	+ 125 C	1 Channel		20.6 mm	16.6 mm	13.5 mm	SUOST	Tray
Audio Transformers / Signal Transformers WE-LAN 2.5G / 5GB Base-T 1Port ETR 749080010 Wurth Elektronik 1: £9.25 559In Stock	Mfr. Part No. 749080010 Mouser Part No 710-749080010	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN 2.5G / 5GB Base-T 1Port ETR Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	559In Stock	Cut Tape £9.25 £8.49 £7.66 £6.95 Reel £6.03 MouseReel Available	Min.: 1 Mult.: 1 : 400	LAN Transformers	LAN	SMD/SMT		200 uH			1.5 kV	- 40 C	+ 85 C			13.97 mm	12 mm		WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-BMS BMS 2 channels 1500V -40/ +125C 74942400 Wurth Elektronik 1: £5.82 754In Stock	Mfr. Part No. 74942400 Mouser Part No 710-74942400	Wurth Elektronik	Audio Transformers / Signal Transformers WE-BMS BMS 2 channels 1500V -40/ +125C Learn More about Wurth Elektronik wurth transformers battery management systems	Datasheet	754In Stock	Cut Tape £5.82 £5.01 £4.42 £4.00 Reel £3.78 MouseReel Available	Min.: 1 Mult.: 1 : 500	Transformers	SMT Transformer	SMD/SMT		450 uH				- 40 C	+ 125 C	1 Channel		24.52 mm	15.45 mm	4.85 mm	WE-BMS	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-BMS BMS 450uH 2Channel 1500V -40/ +125C 74942401 Wurth Elektronik 1: £5.82 554In Stock 1,000Expected 02/04/2027	Mfr. Part No. 74942401 Mouser Part No 710-74942401	Wurth Elektronik	Audio Transformers / Signal Transformers WE-BMS BMS 450uH 2Channel 1500V -40/ +125C Learn More about Wurth Elektronik wurth transformers battery management systems	Datasheet	554In Stock 1,000Expected 02/04/2027	Cut Tape £5.82 £5.01 £4.42 £4.00 Reel £3.78 MouseReel Available	Min.: 1 Mult.: 1 : 500	Transformers	SMT Transformer	SMD/SMT		450 uH				- 40 C	+ 125 C	1 Channel		24.52 mm	15.45 mm	4.85 mm	WE-BMS	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers LAN Transformer, Dual 1G Base-T, 48 pin, SMT, 3Wire + T, PoE+(600mA), Industrial grade TM6080ANL Taoglas 1: £3.62 3,358In Stock	Mfr. Part No. TM6080ANL Mouser Part No 960-TM6080ANL	Taoglas	Audio Transformers / Signal Transformers LAN Transformer, Dual 1G Base-T, 48 pin, SMT, 3Wire + T, PoE+(600mA), Industrial grade Learn More about Taoglas tm lan transformers	Datasheet	3,358In Stock	Cut Tape £3.62 £3.35 £3.12 £3.02 Reel £2.56 View £2.47 £2.40 £2.33 £2.10 MouseReel Available	Min.: 1 Mult.: 1 : 350	LAN Transformers	LAN	SMD/SMT		120 uH, 350 uH				- 40 C	+ 85 C		SMT-48	28 mm	15.4 mm	7 mm	Exos	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers LAN Transformer, 10G Base-T, 24 pin SMT, 3Wire+T, PoE+ (600mA), Commercial grade TM724103NL Taoglas 1: £4.09 500In Stock	Mfr. Part No. TM724103NL Mouser Part No 960-TM724103NL	Taoglas	Audio Transformers / Signal Transformers LAN Transformer, 10G Base-T, 24 pin SMT, 3Wire+T, PoE+ (600mA), Commercial grade Learn More about Taoglas tm lan transformers	Datasheet	500In Stock	Cut Tape £4.09 £3.47 £3.34 £3.24 Reel £2.71 View £3.13 £2.98 £2.58 £2.52 MouseReel Available	Min.: 1 Mult.: 1 : 450			SMD/SMT		120 uH				0 C	+ 70 C			13.6 mm	12.1 mm	5.72 mm	Exos	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers RF XFMR / SURF MT / RoHS BLGE4-252R+ Mini-Circuits 1: £1.71 3,959In Stock	Mfr. Part No. BLGE4-252R+ Mouser Part No 139-BLGE4-252R	Mini-Circuits	Audio Transformers / Signal Transformers RF XFMR / SURF MT / RoHS	Datasheet	3,959In Stock	Cut Tape £1.71 £1.48 £1.31 £1.13 Reel £0.796 MouseReel Available	Min.: 1 Mult.: 1 : 500																BLGE4	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS TC4-11+ Mini-Circuits 1: £3.36 586In Stock	Mfr. Part No. TC4-11+ Mouser Part No 139-TC4-11	Mini-Circuits	Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS	Datasheet	586In Stock	Cut Tape £3.36 £2.37 £2.07 Reel £2.07 £2.00 MouseReel Available	Min.: 1 Mult.: 1 : 500																TC4	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS TC4-6TG2+ Mini-Circuits 1: £3.12 620In Stock	Mfr. Part No. TC4-6TG2+ Mouser Part No 139-TC4-6TG2	Mini-Circuits	Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS	Datasheet	620In Stock	Cut Tape £3.12 £2.26 £1.90 £1.69 Reel £1.64 MouseReel Available	Min.: 1 Mult.: 1 : 500																TC4	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers RF XFMR / SURF MT/ TOPHAT RoHS TTCM4-4X+ Mini-Circuits 1: £2.80 992In Stock	Mfr. Part No. TTCM4-4X+ Mouser Part No 139-TTCM4-4X	Mini-Circuits	Audio Transformers / Signal Transformers RF XFMR / SURF MT/ TOPHAT RoHS	Datasheet	992In Stock	Cut Tape £2.80 £1.95 £1.58 £1.47 Reel £1.47 MouseReel Available	Min.: 1 Mult.: 1 : 500																TTCM4	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 10/100BASE-TX SMD Ultra 16P 1-Port TG110-S050N2RLTR HALO Electronics 1: £2.94 12,802In 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	12,802In Stock	Cut Tape £2.94 £2.40 £1.94 £1.67 Reel £1.52 View £1.53 £1.41 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 2.5GBaseT 4PPoE 90W 1A 0.4mOhm 1Port TG2G-HPE10NZ5LF HALO Electronics 1: £6.98 575In Stock	Mfr. Part No. TG2G-HPE10NZ5LF Mouser Part No 493-TG2G-HPE10NZ5LF	HALO Electronics	Audio Transformers / Signal Transformers 2.5GBaseT 4PPoE 90W 1A 0.4mOhm 1Port Learn More about HALO Electronics halo 2point5g 5g base t transformers	Datasheet	575In Stock	£6.98 £5.44 £5.40 £5.34	Min.: 1 Mult.: 1	PoE Isolation Transformers	Module	SMD/SMT					1500 Vrms	- 40 C	+ 85 C	Quad	SMD-24	18.33 mm	16.38 mm	6.48 mm	2.5G/5G BASE-T	Tube
Audio Transformers / Signal Transformers ROHS 10GBASE-T MAGNETICS MODULE 1CT:1CT TOPPER S558-10GB-10 Bel Magnetic Solutions 1: £11.77 524In Stock	Mfr. Part No. S558-10GB-10 Mouser Part No 530-S558-10GB-10	Bel Magnetic Solutions	Audio Transformers / Signal Transformers ROHS 10GBASE-T MAGNETICS MODULE 1CT:1CT TOPPER	Datasheet	524In Stock	Cut Tape £11.77 £10.35 £10.02 £9.83 Reel £9.01 View £9.46 £8.93 £8.41	Min.: 1 Mult.: 1 : 300																	Reel, Cut Tape
Audio Transformers / Signal Transformers VOIP MODULE 1CT:1CT SHARE CMC ROHS TOPPER S558-5500-25-F Bel Magnetic Solutions 1: £1.58 44,549In Stock 57,600Expected 18/12/2026	Mfr. Part No. S558-5500-25-F Mouser Part No 530-S558-5500-25-F	Bel Magnetic Solutions	Audio Transformers / Signal Transformers VOIP MODULE 1CT:1CT SHARE CMC ROHS TOPPER	Datasheet	44,549In Stock 57,600Expected 18/12/2026	Cut Tape £1.58 £1.43 £1.34 £1.30 Reel £1.13 View £1.25 £1.17 £1.08 £1.07 MouseReel Available	Min.: 1 Mult.: 1 : 900	LAN Transformers	Module	SMD/SMT	100 kHz to 100 MHz	350 uH				0 C	+ 70 C	Single		12.32 mm	7.24 mm	5.71 mm		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Transformer S558-5999-U7-F Bel Magnetic Solutions 1: £1.62 53,618In Stock	Mfr. Part No. S558-5999-U7-F Mouser Part No 530-S558-5999-U7-F	Bel Magnetic Solutions	Audio Transformers / Signal Transformers Transformer Learn More about Bel Magnetic Solutions bel magnetic s558 10gb xx	Datasheet	53,618In Stock	Cut Tape £1.62 £1.48 £1.37 £1.33 Reel £1.11 View £1.27 £1.20 £1.08 £1.07 MouseReel Available	Min.: 1 Mult.: 1 : 900	LAN Transformers	Module	SMD/SMT	300 kHz to 100 MHz	350 uH				- 40 C	+ 85 C	Single		12.32 mm	7.24 mm	5.72 mm		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers LAN 10/100 Tin Potted PT61017PEL Bourns 1: £1.18 23,056In Stock	Mfr. Part No. PT61017PEL Mouser Part No 652-PT61017PEL	Bourns	Audio Transformers / Signal Transformers LAN 10/100 Tin Potted Learn More about Bourns power supply solutions	Datasheet	23,056In Stock	Cut Tape £1.18 £1.07 £0.995 £0.969 Reel £0.717 View £0.934 £0.698 £0.695 £0.672 MouseReel Available	Min.: 1 Mult.: 1 : 600	LAN Transformers	Module	SMD/SMT	30 MHz to 100 MHz	350 uH			1.5 kVAC	0 C	+ 70 C	Dual	SMD-16	12.8 mm	6.9 mm	5.65 mm	PT61017PEL	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 350uHmin. .50uHmax. OP -40C to +85C PT61020EL Bourns 1: £2.02 14,824In Stock	Mfr. Part No. PT61020EL Mouser Part No 652-PT61020EL	Bourns	Audio Transformers / Signal Transformers 350uHmin. .50uHmax. OP -40C to +85C Learn More about Bourns power supply solutions	Datasheet	14,824In Stock	Cut Tape £2.02 £1.83 £1.70 £1.64 Reel £1.49 View £1.56 £1.41 £1.39 £1.36 MouseReel Available	Min.: 1 Mult.: 1 : 700	LAN Transformers		SMD/SMT	300 kHz to 100 MHz	350 uH			1.5 kVAC	- 40 C	+ 85 C	Quad		17.62 mm	12.2 mm	6 mm	PT61020EL	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 600uH 7.36mm SMT Line Matching SM-LP-5001E Bourns 1: £1.80 21,323In Stock 1,600On Order	Mfr. Part No. SM-LP-5001E Mouser Part No 652-SM-LP-5001E	Bourns	Audio Transformers / Signal Transformers 600uH 7.36mm SMT Line Matching Learn More about Bourns power supply solutions	Datasheet	21,323In Stock 1,600On Order	Cut Tape £1.80 £1.62 £1.52 £1.47 Reel £1.31 View £1.46 £1.23 £1.20 £1.19 MouseReel Available	Min.: 1 Mult.: 1 : 400	Line Matching Transformers		SMD/SMT	200 Hz to 4 kHz	6 mH	600 Ohms	600 Ohms	2 kV	- 20 C	+ 85 C	Single	SMT-6	12.8 mm	9 mm	7.5 mm	SM-LP-5001	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers LAN 10/100 BASE-T XFMR +85C SM13126PEL Bourns 1: £1.48 25,303In Stock 12,600Expected 22/02/2027	Mfr. Part No. SM13126PEL Mouser Part No 652-SM13126PEL	Bourns	Audio Transformers / Signal Transformers LAN 10/100 BASE-T XFMR +85C Learn More about Bourns sm13126pel transformers	Datasheet	25,303In Stock 12,600Expected 22/02/2027	Cut Tape £1.48 £1.34 £1.25 £1.20 Reel £0.969 View £1.07 £0.899 £0.882 MouseReel Available	Min.: 1 Mult.: 1 : 600	PoE Transformers		SMD/SMT	1 MHz to 100 MHz					- 40 C	+ 85 C	Dual		12.8 mm	6.9 mm	5.65 mm	SM13126PEL	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers XFMR LAN 10/100/1000 BASE-T 1000B-5003FX iNRCORE 1: £54.13 27In 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	27In Stock	£54.13 £48.27 £43.05 £42.47	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