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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 Power Module S558-5999-J1-F Bel Magnetic Solutions 1: £1.80 1,104In Stock	Mfr. Part No. S558-5999-J1-F Mouser Part No 530-S558-5999-J1-F	Bel Magnetic Solutions	Audio Transformers / Signal Transformers Power Module Learn More about Bel Magnetic Solutions bel magnetic s558 10gb xx	Datasheet	1,104In Stock	Cut Tape £1.80 £1.63 £1.53 £1.48 Reel £1.29 View £1.42 £1.34 £1.24 £1.20 MouseReel Available	Min.: 1 Mult.: 1 : 900	LAN Transformers	Module	SMD/SMT	1 MHz to 10 MHz	350 uH						Single		12.32 mm	7.24 mm	5.71 mm		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Transformer S558-5999-T3-F Bel Magnetic Solutions 1: £4.13 1,022In Stock	Mfr. Part No. S558-5999-T3-F Mouser Part No 530-S558-5999-T3-F	Bel Magnetic Solutions	Audio Transformers / Signal Transformers Transformer Learn More about Bel Magnetic Solutions bel magnetic s558 10gb xx	Datasheet	1,022In Stock	Cut Tape £4.13 £3.73 £3.58 £3.47 Reel £3.20 View £3.36 £3.03 £2.91 £2.72 MouseReel Available	Min.: 1 Mult.: 1 : 320	LAN Transformers	Module	SMD/SMT	100 kHz to 125 MHz	350 uH				0 C	+ 70 C	Single		15.24 mm	13.26 mm	6.35 mm		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Transformer S558-5999-T5-F Bel Magnetic Solutions 1: £1.72 2,623In Stock	Mfr. Part No. S558-5999-T5-F Mouser Part No 530-S558-5999-T5-F	Bel Magnetic Solutions	Audio Transformers / Signal Transformers Transformer Learn More about Bel Magnetic Solutions bel magnetic s558 10gb xx	Datasheet	2,623In Stock	Cut Tape £1.72 £1.56 £1.43 £1.41 Reel £1.18 View £1.30 £1.21 £1.14 £1.13 MouseReel Available	Min.: 1 Mult.: 1 : 900	LAN Transformers	Module	SMD/SMT		350 uH				- 40 C	+ 85 C	Single		12.32 mm	7.24 mm	5.71 mm		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Transformer S558-5999-T7-F Bel Magnetic Solutions 1: £1.62 6,713In Stock	Mfr. Part No. S558-5999-T7-F Mouser Part No 530-S558-5999-T7-F	Bel Magnetic Solutions	Audio Transformers / Signal Transformers Transformer Learn More about Bel Magnetic Solutions bel magnetic s558 10gb xx	Datasheet	6,713In Stock	Cut Tape £1.62 £1.48 £1.37 £1.33 Reel £1.14 View £1.27 £1.20 £1.10 MouseReel Available	Min.: 1 Mult.: 1 : 900	LAN Transformers	Module	SMD/SMT	1 MHz to 80 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 Transformer S558-5999-Z5-F Bel Magnetic Solutions 1: £1.62 9,011In Stock	Mfr. Part No. S558-5999-Z5-F Mouser Part No 530-S558-5999-Z5-F	Bel Magnetic Solutions	Audio Transformers / Signal Transformers Transformer Learn More about Bel Magnetic Solutions bel magnetic s558 10gb xx	Datasheet	9,011In Stock	Cut Tape £1.62 £1.48 £1.37 £1.33 Reel £1.13 View £1.27 £1.20 £1.10 £1.07 MouseReel Available	Min.: 1 Mult.: 1 : 900	LAN Transformers	Module	SMD/SMT	100 kHz to 100 MHz	350 uH				- 40 C	+ 85 C	Single		12.32 mm	7.24 mm	5.71 mm		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Z= 600:600 OHMS LM-NP-1001-B1L Bourns 1: £2.28 6,763In Stock	Mfr. Part No. LM-NP-1001-B1L Mouser Part No 652-LM-NP-1001-B1L	Bourns	Audio Transformers / Signal Transformers Z= 600:600 OHMS Learn More about Bourns power supply solutions	Datasheet	6,763In Stock	£2.28 £2.03 £1.88 £1.80 View £1.74 £1.69 £1.62	Min.: 1 Mult.: 1	Signal Transformers	Pin Terminal Transformers	Radial	200 Hz to 3.5 kHz	2.8 H	600 Ohms	600 Ohms		- 10 C	+ 60 C	Single		17.7 mm	17.7 mm	12.6 mm	LM-NP 1000	Tube
Audio Transformers / Signal Transformers LINE MATCHING TRANS LM-NP-1003L Bourns 1: £5.83 782In Stock	Mfr. Part No. LM-NP-1003L Mouser Part No 652-LM-NP-1003L	Bourns	Audio Transformers / Signal Transformers LINE MATCHING TRANS Learn More about Bourns power supply solutions	Datasheet	782In Stock	£5.83 £5.26 £5.02 £4.86 View £4.71 £4.54 £4.49 £3.82 £3.78	Min.: 1 Mult.: 1	Signal Transformers	Pin Terminal Transformers	Radial	200 Hz to 3.5 kHz		600 Ohms	600 Ohms		- 10 C	+ 60 C	Single		17.7 mm	17.7 mm	12.6 mm		Tube
Audio Transformers / Signal Transformers LAN 10/100 BASE-T XFMR PT61017XPEL Bourns 1: £1.18 4,189In Stock	Mfr. Part No. PT61017XPEL Mouser Part No 652-PT61017XPEL	Bourns	Audio Transformers / Signal Transformers LAN 10/100 BASE-T XFMR	Datasheet	4,189In Stock	Cut Tape £1.18 £1.07 £0.995 £0.969 Reel £0.89 View £0.934 £0.841 £0.811 £0.73 MouseReel Available	Min.: 1 Mult.: 1 : 600	LAN Transformers	LAN	SMD/SMT	1 MHz to 100 MHz	350 uH				- 40 C	+ 85 C	Dual		12.8 mm	6.9 mm	5.65 mm	PT61017XPEL	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 350uHmin 1CT:1CT OP -40C to +85C PT61018PEL Bourns 1: £1.00 3,118In Stock 6,600Expected 09/12/2026	Mfr. Part No. PT61018PEL Mouser Part No 652-PT61018PEL	Bourns	Audio Transformers / Signal Transformers 350uHmin 1CT:1CT OP -40C to +85C Learn More about Bourns power supply solutions	Datasheet	3,118In Stock 6,600Expected 09/12/2026	Cut Tape £1.00 £0.917 £0.856 £0.818 Reel £0.766 View £0.796 £0.721 £0.685 MouseReel Available	Min.: 1 Mult.: 1 : 600	LAN Transformers		SMD/SMT	1 MHz to 100 MHz	350 uH			1.5 kV	- 40 C	+ 85 C	Dual	SMD-16	12.8 mm	6.9 mm	5.65 mm	PT61018PEL	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers MAGNETICS LAN TRANSFORMER PT61022XEL Bourns 1: £3.42 1,050In Stock	Mfr. Part No. PT61022XEL Mouser Part No 652-PT61022XEL	Bourns	Audio Transformers / Signal Transformers MAGNETICS LAN TRANSFORMER Learn More about Bourns power supply solutions	Datasheet	1,050In Stock	Cut Tape £3.42 £2.82 £2.67 £2.51 Reel £2.37 View £2.44 £2.24 £2.23	Min.: 1 Mult.: 1 : 500	LAN Transformers	Module	SMD/SMT	300 kHz to 100 MHz	350 uH			1.5 kV	- 40 C	+ 85 C	Single	SMD-24	15.24 mm	13.56 mm	5.79 mm	PT61022XEL	Reel, Cut Tape
Audio Transformers / Signal Transformers 600uH 7.36mm SMT Line Matching SM-LP-5001 Bourns 1: £1.83 5,285In Stock	Mfr. Part No. SM-LP-5001 Mouser Part No 652-SM-LP-5001	Bourns	Audio Transformers / Signal Transformers 600uH 7.36mm SMT Line Matching Learn More about Bourns power supply solutions	Datasheet	5,285In Stock	£1.83 £1.44 £1.43 £1.42 View £1.34 £1.31 £1.26	Min.: 1 Mult.: 1	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	Tube
Audio Transformers / Signal Transformers 600uH 7.36mm SMT Line Matching SM-LP-5002 Bourns 1: £2.17 2,887In Stock	Mfr. Part No. SM-LP-5002 Mouser Part No 652-SM-LP-5002	Bourns	Audio Transformers / Signal Transformers 600uH 7.36mm SMT Line Matching Learn More about Bourns power supply solutions	Datasheet	2,887In Stock	£2.17 £1.80 £1.69 £1.62 View £1.56 £1.51 £1.47 £1.33	Min.: 1 Mult.: 1	Line Matching Transformers		SMD/SMT	200 Hz to 4 kHz	7 mH	600 Ohms	600 Ohms	2 kV	- 20 C	+ 85 C	Single	SMT-6	12.5 mm	9.6 mm	7.36 mm	SM-LP-5002	Tube
Audio Transformers / Signal Transformers 600uH 7.36mm SMT Line Matching SM-LP-5002E Bourns 1: £1.96 2,912In Stock	Mfr. Part No. SM-LP-5002E Mouser Part No 652-SM-LP-5002E	Bourns	Audio Transformers / Signal Transformers 600uH 7.36mm SMT Line Matching Learn More about Bourns power supply solutions	Datasheet	2,912In Stock	Cut Tape £1.96 £1.77 £1.64 £1.60 Reel £1.39 View £1.45 £1.32 £1.31 MouseReel Available	Min.: 1 Mult.: 1 : 400	Line Matching Transformers		SMD/SMT	200 Hz to 4 kHz	7 mH	600 Ohms	600 Ohms	2 kV	- 20 C	+ 85 C	Single	SMT-6	12.5 mm	9.6 mm	7.36 mm	SM-LP-5002	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers LAN XFMR MODULE,10/100TX,W CMC SM41126EL Bourns 1: £1.17 9,824In Stock 12,800Expected 17/12/2026	Mfr. Part No. SM41126EL Mouser Part No 652-SM41126EL	Bourns	Audio Transformers / Signal Transformers LAN XFMR MODULE,10/100TX,W CMC Learn More about Bourns sm41126el lan transformer	Datasheet	9,824In Stock 12,800Expected 17/12/2026	Cut Tape £1.17 £1.07 £0.995 £0.96 Reel £0.826 View £0.925 £0.834 £0.803 MouseReel Available	Min.: 1 Mult.: 1 : 800	LAN Transformer Modules	LAN Transformer Module	SMD/SMT		350 uH			1.5 kV	- 40 C	+ 85 C			12.7 mm	8.66 mm	3.99 mm	SM41126EL	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Chip LAN xfmr module,2.5 GbE,w CMC SM42002EL Bourns 1: £1.91 1,157In Stock	Mfr. Part No. SM42002EL Mouser Part No 652-SM42002EL	Bourns	Audio Transformers / Signal Transformers Chip LAN xfmr module,2.5 GbE,w CMC Learn More about Bourns ethernet chip lan transformer modules	Datasheet	1,157In Stock	Cut Tape £1.91 £1.74 £1.62 £1.56 Reel £1.42 View £1.48 £1.40 £1.25 £1.22 MouseReel Available	Min.: 1 Mult.: 1 : 400	LAN Transformers	LAN	SMD/SMT	1 MHz to 250 MHz					0 C	+ 85 C	Quad		16 mm	10.3 mm	4.1 mm	SM42002EL	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Chip LAN,10/100/1G xformer,PoE,4.7x3.2 SM453229-231N7Y Bourns 1: £0.533 13,380In Stock	Mfr. Part No. SM453229-231N7Y Mouser Part No 652-SM453229-231N7Y	Bourns	Audio Transformers / Signal Transformers Chip LAN,10/100/1G xformer,PoE,4.7x3.2 Learn More about Bourns sm453229 transformers and inductors	Datasheet	13,380In Stock	Cut Tape £0.533 £0.426 £0.395 £0.373 Reel £0.29 View £0.357 £0.346 £0.341 £0.28 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PoE Transformers		SMD/SMT	1 MHz to 100 MHz	230 uH			1.5 kVAC	- 40 C	+ 85 C	Dual	4.7 mm x 3.22 mm x 2.9 mm	4.7 mm	3.22 mm	2.9 mm	SM453229-231N7Y	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Chip LAN,10/100/1G xformer,4.7x3.2mm SM453229-381N7Y Bourns 1: £0.443 24,704In Stock 30,000Expected 03/05/2027	Mfr. Part No. SM453229-381N7Y Mouser Part No 652-SM453229-381N7Y	Bourns	Audio Transformers / Signal Transformers Chip LAN,10/100/1G xformer,4.7x3.2mm Learn More about Bourns sm453229 transformers and inductors	Datasheet	24,704In Stock 30,000Expected 03/05/2027	Cut Tape £0.443 £0.405 £0.378 £0.362 Reel £0.312 View £0.347 £0.336 £0.331 £0.301 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	LAN Transformers		SMD/SMT	1 MHz to 100 MHz	380 uH			1.5 kVAC	- 40 C	+ 85 C	Dual	4.7 mm x 3.22 mm x 2.9 mm	4.7 mm	3.22 mm	2.9 mm	SM453229-381N7Y	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Chip LAN xfmr,1 /2.5/5/10G,4.7x3.2x2.9mm SM453230-121N7Y Bourns 1: £0.834 4,135In Stock	Mfr. Part No. SM453230-121N7Y Mouser Part No 652-SM453230-121N7Y	Bourns	Audio Transformers / Signal Transformers Chip LAN xfmr,1 /2.5/5/10G,4.7x3.2x2.9mm Learn More about Bourns sm453230 1x1n7y transformers	Datasheet	4,135In Stock	Cut Tape £0.834 £0.759 £0.707 £0.677 Reel £0.58 View £0.65 £0.63 £0.608 £0.561 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	LAN Transformers	LAN	SMD/SMT	1 MHz to 500 MHz					- 40 C	+ 85 C	Single		4.7 mm	3.3 mm	2.9 mm	SM453230-121N7Y	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers LAN Transformer 10/100/1000 Base-T SM51589PEL Bourns 1: £2.16 3,214In Stock 12,250Expected 06/11/2026	Mfr. Part No. SM51589PEL Mouser Part No 652-SM51589PEL	Bourns	Audio Transformers / Signal Transformers LAN Transformer 10/100/1000 Base-T Learn More about Bourns SM51589PEL	Datasheet	3,214In Stock 12,250Expected 06/11/2026	Cut Tape £2.16 £1.96 £1.82 £1.76 Reel £1.69 View £1.64 £1.63 MouseReel Available	Min.: 1 Mult.: 1 : 350	LAN Transformers		SMD/SMT	1 MHz to 100 MHz	350 uH			5 kVAC	- 40 C	+ 85 C	Quad	SMD-24	17.55 mm	12.2 mm	6 mm	SM51589PEL	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers XFMER 1.2A POE SM51625EL Bourns 1: £1.93 7,486In Stock 10,500Expected 04/05/2027	Mfr. Part No. SM51625EL Mouser Part No 652-SM51625EL	Bourns	Audio Transformers / Signal Transformers XFMER 1.2A POE Learn More about Bourns SM51625EL lan transformer	Datasheet	7,486In Stock 10,500Expected 04/05/2027	Cut Tape £1.93 £1.75 £1.67 £1.60 Reel £1.46 View £1.43 £1.39 £1.33 MouseReel Available	Min.: 1 Mult.: 1 : 350	PoE Transformers		SMD/SMT	300 kHz to 100 MHz	80 uH			1.5 kV	- 40 C	+ 85 C	Quad	SMD-24	17.55 mm	12.2 mm	6 mm	SM51625EL	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers XFMR TCS SNGL 1000BT 1:124 SMT RPB 1000B-5001FXNL iNRCORE 1: £37.47 258In Stock 350Expected 24/03/2027	Mfr. Part No. 1000B-5001FXNL Mouser Part No 673-1000B-5001FXNL	iNRCORE	Audio Transformers / Signal Transformers XFMR TCS SNGL 1000BT 1:124 SMT RPB Learn More about iNRCORE pulser 1000 base t transformers	Datasheet	258In Stock 350Expected 24/03/2027	£37.47 £33.46 £31.25 View Quote	Min.: 1 Mult.: 1	RF Transformers		SMD/SMT	100 kHz to 100 MHz	350 uH			1.5 kV	- 55 C	+ 125 C	Single		17.53 mm	12.19 mm	5.72 mm	1000B-F	Tube
Audio Transformers / Signal Transformers 1000B-5001FXNLT iNRCORE 1: £37.64 230In Stock	Mfr. Part No. 1000B-5001FXNLT Mouser Part No 673-1000B-5001FXNLT	iNRCORE	Audio Transformers / Signal Transformers	Datasheet	230In Stock	Cut Tape £37.64 £33.63 £32.15 £30.97 View Reel £27.94 £29.95 £27.94 Quote	Min.: 1 Mult.: 1 : 300		Ethernet Transformers	SMD/SMT		350 uH			1500 Vrms	- 55 C	+ 125 C	1 Channel		17.78 mm	16 mm	5.97 mm		Reel, Cut Tape
Audio Transformers / Signal Transformers XFMR CHOKE SHUNT QUAD,100 RPB 1000B-5001XT iNRCORE 1: £35.83 60In Stock 300Expected 25/01/2027	Mfr. Part No. 1000B-5001XT Mouser Part No 673-1000B-5001XT	iNRCORE	Audio Transformers / Signal Transformers XFMR CHOKE SHUNT QUAD,100 RPB	Datasheet	60In Stock 300Expected 25/01/2027	Cut Tape £35.83 £32.00 £30.60 £29.47 View Reel £26.91 £28.50 £26.91 Quote MouseReel Available	Min.: 1 Mult.: 1 : 300												SMD/SMT				1000B	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers MDL SIN 1GD 1:1 SMT TU NPB 1000B-5002FXNL iNRCORE 1: £37.87 42In Stock 50On Order	Mfr. Part No. 1000B-5002FXNL Mouser Part No 673-1000B-5002FXNL	iNRCORE	Audio Transformers / Signal Transformers MDL SIN 1GD 1:1 SMT TU NPB Learn More about iNRCORE pulser 1000 base t transformers	Datasheet	42In Stock 50On Order	£37.87 £33.92 £32.47 £31.35 View £30.33 £29.10 Quote	Min.: 1 Mult.: 1																1000B-F	Tube
Audio Transformers / Signal Transformers XFMR LAN 10/100/1000 BASE-T 1000B-5002FXNLT iNRCORE 1: £38.32 353In Stock	Mfr. Part No. 1000B-5002FXNLT Mouser Part No 673-1000B-5002FXNLT	iNRCORE	Audio Transformers / Signal Transformers XFMR LAN 10/100/1000 BASE-T	Datasheet	353In Stock	Cut Tape £38.32 £34.22 £32.72 £31.52 View Reel £31.04 £31.04 £31.04 Quote MouseReel Available	Min.: 1 Mult.: 1 : 300			SMD/SMT									SMD-24				1000B	Reel, Cut Tape, MouseReel