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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 (USD) 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 600uH 7.36mm SMT Line Matching SM-LP-5001 Bourns 1: $2.43 4,912In 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	4,912In Stock	$2.43 $1.91 $1.79 $1.78 View $1.72 $1.69	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: $2.60 2,549In 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	2,549In Stock	$2.60 $2.35 $2.19 $2.11 View $2.02 $1.97 $1.87 $1.81 $1.77	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: $2.60 2,905In 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	2,905In Stock	Cut Tape $2.60 $2.36 $2.19 $2.13 Reel $1.85 View $1.93 $1.76 $1.74 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: $1.56 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 $1.56 $1.42 $1.32 $1.28 Reel $1.10 View $1.23 $1.11 $1.07 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: $2.55 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 $2.55 $2.31 $2.16 $2.08 Reel $1.89 View $1.96 $1.86 $1.65 $1.63 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: $0.71 13,270In Stock 10,000Expected 22/04/2027	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	13,270In Stock 10,000Expected 22/04/2027	Cut Tape $0.71 $0.557 $0.512 $0.482 Reel $0.386 View $0.463 $0.448 $0.442 $0.375 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: $0.59 23,874In 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	23,874In Stock 30,000Expected 03/05/2027	Cut Tape $0.59 $0.539 $0.503 $0.482 Reel $0.415 View $0.463 $0.448 $0.441 $0.401 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: $1.11 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 $1.11 $1.01 $0.942 $0.902 Reel $0.772 View $0.866 $0.839 $0.81 $0.748 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: $2.87 3,084In 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	3,084In Stock 12,250Expected 06/11/2026	Cut Tape $2.87 $2.60 $2.42 $2.35 Reel $2.25 View $2.19 $2.07 $2.01 $1.96 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: $2.57 6,716In 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	6,716In Stock 10,500Expected 04/05/2027	Cut Tape $2.57 $2.34 $2.22 $2.13 Reel $1.88 View $1.85 $1.81 $1.77 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: $49.91 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	$49.91 $44.57 $41.63 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: $50.14 230In Stock	Mfr. Part No. 1000B-5001FXNLT Mouser Part No 673-1000B-5001FXNLT	iNRCORE	Audio Transformers / Signal Transformers	Datasheet	230In Stock	Cut Tape $50.14 $44.79 $42.82 $41.26 View Reel $37.22 $39.89 $37.22 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 SINGLE & DUAL PORT TRANSFORMER 1000B-5001XT iNRCORE 1: $47.72 60In Stock 300Expected 25/01/2027	Mfr. Part No. 1000B-5001XT Mouser Part No 673-1000B-5001XT	iNRCORE	Audio Transformers / Signal Transformers SINGLE & DUAL PORT TRANSFORMER	Datasheet	60In Stock 300Expected 25/01/2027	Cut Tape $47.72 $42.62 $40.75 $39.26 View Reel $35.85 $37.97 $35.85 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: $50.44 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	$50.44 $45.19 $43.24 $41.75 View $40.39 $38.75 Quote	Min.: 1 Mult.: 1																1000B-F		Tube
Audio Transformers / Signal Transformers XFMR LAN 10/100/1000 BASE-T 1000B-5002FXNLT iNRCORE 1: $51.03 343In 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	343In Stock	Cut Tape $51.03 $45.58 $43.58 $41.99 View Reel $41.35 $41.35 $41.35 Quote MouseReel Available	Min.: 1 Mult.: 1 : 300			SMD/SMT									SMD-24				1000B		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1000B-5003FXNLT iNRCORE 1: $60.21 29In Stock 250Expected 19/02/2027	Mfr. Part No. 1000B-5003FXNLT Mouser Part No 673-1000B-5003FXNLT	iNRCORE	Audio Transformers / Signal Transformers	Datasheet	29In Stock 250Expected 19/02/2027	Cut Tape $60.21 $54.14 $51.88 $51.41 Reel $51.40 Quote Quote	Min.: 1 Mult.: 1 : 250	LAN Transformers		SMD/SMT		350 uH			1500 Vrms	- 55 C	+ 125 C			27.94 mm	7.54 mm	8.66 mm	1000B		Reel, Cut Tape
Audio Transformers / Signal Transformers 8uH 3KV 1:1:1 2% AEC -Q200 BM6154NL Pulse Electronics 1: $5.91 744In Stock	Mfr. Part No. BM6154NL Mouser Part No 673-BM6154NL	Pulse Electronics	Audio Transformers / Signal Transformers 8uH 3KV 1:1:1 2% AEC -Q200 Learn More about Pulse Electronics bm bmu bx transformers	Datasheet	744In Stock	$5.91 $4.60 $4.41 $4.27 View $4.13 $3.95 $3.84 $3.24 $3.23	Min.: 1 Mult.: 1	Power Line Communication Transformers	PLC	SMD/SMT	3 MHz to 30 MHz	8 uH			3 kVAC	- 40 C	+ 125 C	Single	10.6 mm x 9.08 mm x 10 mm	10.6 mm	9.08 mm	10 mm	BM	AEC-Q200	Tube
Audio Transformers / Signal Transformers MDL,SIN,100PP, 1:1 SMD, HF T&R HB2003HLT Pulse Electronics 1: $2.90 1,158In Stock	Mfr. Part No. HB2003HLT Mouser Part No 673-HB2003HLT	Pulse Electronics	Audio Transformers / Signal Transformers MDL,SIN,100PP, 1:1 SMD, HF T&R Learn More about Pulse Electronics hb hxb discrete lan transformers	Datasheet	1,158In Stock	Cut Tape $2.90 $2.63 $2.53 $2.41 Reel $2.25 View $2.33 $2.17 $1.81 $1.78 MouseReel Available	Min.: 1 Mult.: 1 : 600	LAN Transformers	LAN Discrete Modules with PoE	SMD/SMT					1.5 kVrms	0 C	+ 70 C	Single		12.8 mm	9.3 mm	5.7 mm	HB		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers MDL,SIN,100D, 1:1 HF, PCMCIA, T&R HB3003HLT Pulse Electronics 1: $3.04 2,705In Stock	Mfr. Part No. HB3003HLT Mouser Part No 673-HB3003HLT	Pulse Electronics	Audio Transformers / Signal Transformers MDL,SIN,100D, 1:1 HF, PCMCIA, T&R Learn More about Pulse Electronics hb hxb discrete lan transformers	Datasheet	2,705In Stock	Cut Tape $3.04 $2.76 $2.57 $2.49 Reel $2.17 View $2.39 $2.31 $2.20 $1.86 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	LAN Transformers	LAN Discrete Modules	SMD/SMT					1.5 kVrms	0 C	+ 70 C	Single		12.7 mm	9.6 mm	2 mm	HB		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers MDL, SIN, 2.,5GD, 1:1, HF, SMD, T&R HB4010HLT Pulse Electronics 1: $5.03 1,250In Stock	Mfr. Part No. HB4010HLT Mouser Part No 673-HB4010HLT	Pulse Electronics	Audio Transformers / Signal Transformers MDL, SIN, 2.,5GD, 1:1, HF, SMD, T&R Learn More about Pulse Electronics hb hxb discrete lan transformers	Datasheet	1,250In Stock	Cut Tape $5.03 $4.55 $4.36 $4.23 Reel $3.87 View $4.10 $3.74 $3.53 $3.24 MouseReel Available	Min.: 1 Mult.: 1 : 350	LAN Transformers	LAN Discrete Modules	SMD/SMT					1.5 kVrms	0 C	+ 70 C	Single		17.6 mm	15.9 mm	6 mm	HB		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers MDL, SIN, 1GD,1:1, HF, SMD, T&R HB5010HLT Pulse Electronics 1: $5.22 598In Stock	Mfr. Part No. HB5010HLT Mouser Part No 673-HB5010HLT	Pulse Electronics	Audio Transformers / Signal Transformers MDL, SIN, 1GD,1:1, HF, SMD, T&R Learn More about Pulse Electronics hb hxb discrete lan transformers	Datasheet	598In Stock	Cut Tape $5.22 $4.17 $3.77 $3.63 Reel $2.81 View $3.48 $3.47 $2.76 Quote MouseReel Available	Min.: 1 Mult.: 1 : 780	LAN Transformers	LAN Discrete Modules	SMD/SMT					1.5 kVrms	0 C	+ 70 C	Single		15.1 mm	10 mm	4 mm	HB		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers MDL, DUAL, 1GD, 1:1, HF, SMD, T&R HB5013HLT Pulse Electronics 1: $6.22 974In Stock	Mfr. Part No. HB5013HLT Mouser Part No 673-HB5013HLT	Pulse Electronics	Audio Transformers / Signal Transformers MDL, DUAL, 1GD, 1:1, HF, SMD, T&R Learn More about Pulse Electronics hb hxb discrete lan transformers	Datasheet	974In Stock	Cut Tape $6.22 $5.62 $5.39 $5.23 Reel $4.78 View $5.06 $4.77 $4.63 $4.04 MouseReel Available	Min.: 1 Mult.: 1 : 350	LAN Transformers	LAN Discrete Modules	SMD/SMT					3 kVrms	0 C	+ 70 C	Dual		27.8 mm	15.2 mm	7.2 mm	HB		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers MDL, SIN, 1GPP, 1:1, HF, SMD, T&R HB6002HLT Pulse Electronics 1: $6.77 880In Stock	Mfr. Part No. HB6002HLT Mouser Part No 673-HB6002HLT	Pulse Electronics	Audio Transformers / Signal Transformers MDL, SIN, 1GPP, 1:1, HF, SMD, T&R Learn More about Pulse Electronics hb hxb discrete lan transformers	Datasheet	880In Stock	Cut Tape $6.77 $5.66 $5.44 $5.27 Reel $4.82 View $5.10 $4.65 $3.51 $3.50 MouseReel Available	Min.: 1 Mult.: 1 : 350	LAN Transformers	LAN Discrete Modules with PoE	SMD/SMT					1.5 kVrms	0 C	+ 70 C	Single		17.6 mm	15.9 mm	6 mm	HB		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers MDL,SIN,100P, 1:1 EXT,SMD, HF T&R HXB2002HLT Pulse Electronics 1: $3.34 918In Stock	Mfr. Part No. HXB2002HLT Mouser Part No 673-HXB2002HLT	Pulse Electronics	Audio Transformers / Signal Transformers MDL,SIN,100P, 1:1 EXT,SMD, HF T&R Learn More about Pulse Electronics hb hxb discrete lan transformers	Datasheet	918In Stock	Cut Tape $3.34 $2.85 $2.70 $2.57 Reel $2.39 View $2.47 $2.26 $1.89 $1.87 MouseReel Available	Min.: 1 Mult.: 1 : 600	LAN Transformers	LAN Discrete Modules with PoE	SMD/SMT					1.5 kVrms	- 40 C	+ 85 C	Single		12.8 mm	9.3 mm	5.7 mm	HXB		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers MDL, SIN, 2.5GPP,1:1,EXT, HF, SMD,T&R HXB4016HLT Pulse Electronics 1: $4.87 525In Stock	Mfr. Part No. HXB4016HLT Mouser Part No 673-HXB4016HLT	Pulse Electronics	Audio Transformers / Signal Transformers MDL, SIN, 2.5GPP,1:1,EXT, HF, SMD,T&R Learn More about Pulse Electronics hb hxb discrete lan transformers	Datasheet	525In Stock	Cut Tape $4.87 $4.40 $4.23 $4.10 Reel $3.75 View $3.97 $3.62 $3.10 $3.09 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