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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 GIGABIT ISO MOD SMD 24P 1-Port w/Choke TG111-E112NYRL HALO Electronics 1: $15.90 66In Stock	Mfr. Part No. TG111-E112NYRL Mouser Part No 493-TG111-E112NYRL	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	66In Stock	$15.90 $10.26 $7.32 $5.49 View $4.94 $4.90 $4.80 Quote	Min.: 1 Mult.: 1	LAN Isolation Transformers	Module	SMD/SMT	1 MHz to 100 MHz	350 uH			1.5 kV	- 40 C	+ 85 C	Single	SMD-24	15.24 mm	13.72 mm	6.35 mm	TG1G		Tube
Audio Transformers / Signal Transformers GIGABIT ISO MOD TG111-HPE1NYNLF HALO Electronics 1: $12.70 252In Stock 5,256On Order	Mfr. Part No. TG111-HPE1NYNLF Mouser Part No 493-TG111-HPE1NYNLF	HALO Electronics	Audio Transformers / Signal Transformers GIGABIT ISO MOD Learn More about HALO Electronics halo gigabit ethernet transformers	Datasheet	252In Stock 5,256On Order On Order Ship Dates Mfr. No: TG111-HPE1NYNLF Stock: 252 Can Dispatch Immediately On Order: 792 Expected 16/12/2026 4,464 Expected 01/01/2027 Factory Lead Time: 20 Weeks	$12.70 $8.21 $6.70 $5.42 View $4.55 $3.92 $3.75 $3.63	Min.: 1 Mult.: 1	Isolation Transformers															TG1G		Tube
Audio Transformers / Signal Transformers GIGABIT PoE+ ISO MOD 24P SMD Single Port TG111-HPE3NZRL HALO Electronics 1: $5.51 181In Stock 448Expected 25/06/2027	Mfr. Part No. TG111-HPE3NZRL Mouser Part No 493-TG111-HPE3NZRL	HALO Electronics	Audio Transformers / Signal Transformers GIGABIT PoE+ ISO MOD 24P SMD Single Port Learn More about HALO Electronics halo gigabit ethernet transformers	Datasheet	181In Stock 448Expected 25/06/2027	$5.51 $5.26 $5.10 $4.94 $4.60	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT					1.5 kV	- 40 C	+ 85 C	Dual	SMD-24	17.78 mm	12.19 mm	5.84 mm	TG1G		Tube
Audio Transformers / Signal Transformers 350uH GIGABIT SMD 1-Port AEC-Q200 TG1G-AE11NZ6NL HALO Electronics 1: $10.16 195In Stock	Mfr. Part No. TG1G-AE11NZ6NL Mouser Part No 493-TG1G-AE11NZ6NL	HALO Electronics	Audio Transformers / Signal Transformers 350uH GIGABIT SMD 1-Port AEC-Q200 Learn More about HALO Electronics automotive transformers	Datasheet	195In Stock	$10.16 $7.21 $6.99 $6.33 View $5.15 $5.13 $5.10 $5.03 Quote	Min.: 1 Mult.: 1	Ethernet Transformers		SMD/SMT		350 uH				- 40 C	+ 105 C	Single		17.78 mm	12.19 mm	7.87 mm	TG1G	AEC-Q200	Tube
Audio Transformers / Signal Transformers GIGABIT ISO MOD SMD 24P 1-Port w/Choke TG1G-E012NZRL HALO Electronics 1: $12.55 170In Stock	Mfr. Part No. TG1G-E012NZRL Mouser Part No 493-TG1G-E012NZRL	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	170In Stock	$12.55 $8.10 $6.61 $5.35 View $3.79 $3.78 Quote	Min.: 1 Mult.: 1	LAN Isolation Transformers	Module	SMD/SMT	1 MHz to 100 MHz	350 uH			1.5 kV	- 40 C	+ 85 C	Dual	SMD-24	17.78 mm	12.19 mm	5.84 mm	TG1G		Tube
Audio Transformers / Signal Transformers SMD ISOLATION MODULE TG1G-E201NV6LF HALO Electronics 1: $24.00 14In Stock	Mfr. Part No. TG1G-E201NV6LF Mouser Part No 493-TG1G-E201NV6LF	HALO Electronics	Audio Transformers / Signal Transformers SMD ISOLATION MODULE	Datasheet	14In Stock	$24.00 $15.50 $12.64 $10.22 View $8.58 $7.39 $7.07 Quote	Min.: 1 Mult.: 1	Isolation Transformers																	Tube
Audio Transformers / Signal Transformers SMD ISOLATION MODULE TG1G-E234NVLF HALO Electronics 1: $34.50 102In Stock	Mfr. Part No. TG1G-E234NVLF Mouser Part No 493-TG1G-E234NVLF	HALO Electronics	Audio Transformers / Signal Transformers SMD ISOLATION MODULE	Datasheet	102In Stock	$34.50 $22.27 $18.17 $14.69 View $12.33 $10.62 $10.15 Quote	Min.: 1 Mult.: 1	Isolation Transformers																	Tube
Audio Transformers / Signal Transformers 10BASE-T SMD 1-Port w/CMR Choke 1:1 TG81-1006NRL HALO Electronics 1: $5.60 379In Stock	Mfr. Part No. TG81-1006NRL Mouser Part No 493-TG81-1006NRL	HALO Electronics	Audio Transformers / Signal Transformers 10BASE-T SMD 1-Port w/CMR Choke 1:1 Learn More about HALO Electronics halo 10base t ethernet transformers	Datasheet	379In Stock	$5.60 $3.63 $2.96 $2.40 View $2.01 $1.73 $1.66 $1.60	Min.: 1 Mult.: 1	LAN Isolation Transformers	Module	SMD/SMT		100 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 10G PoE 100W S558-10GB-23 Bel Magnetic Solutions 1: $8.37 18In Stock 600Expected 08/01/2027	Mfr. Part No. S558-10GB-23 Mouser Part No 530-S558-10GB-23	Bel Magnetic Solutions	Audio Transformers / Signal Transformers 10G PoE 100W Learn More about Bel Magnetic Solutions bel magnetic s558 10gb xx	Datasheet	18In Stock 600Expected 08/01/2027	Cut Tape $8.37 $7.56 $7.25 $7.03 Reel $6.29 View $6.81 $6.04 $6.00 Quote	Min.: 1 Mult.: 1 : 300	PoE Transformers		SMD/SMT	1 MHz to 600 MHz					- 40 C	+ 85 C	Quad		15.49 mm	15.24 mm	7.37 mm			Reel, Cut Tape
Audio Transformers / Signal Transformers ROHS 10/100 TOPPER S558-5999-46-F Bel Magnetic Solutions 1: $3.35 499In Stock 600Expected 02/02/2027	Mfr. Part No. S558-5999-46-F Mouser Part No 530-S558-5999-46-F	Bel Magnetic Solutions	Audio Transformers / Signal Transformers ROHS 10/100 TOPPER	Datasheet	499In Stock 600Expected 02/02/2027	Cut Tape $3.35 $3.04 $2.83 $2.74 Reel $2.61 View $2.47 $2.38 $2.34 $2.32 MouseReel Available	Min.: 1 Mult.: 1 : 300	LAN Transformers	Module	SMD/SMT	100 kHz to 80 MHz	420 uH				0 C	+ 70 C	Single		25.4 mm	9.91 mm	5.97 mm			Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers ROHS 1000BT MODULE 1CT:1CT EXTENDED TEMP TOPPER S558-5999-AR-F Bel Magnetic Solutions 1: $4.53 75In Stock 1,900On Order	Mfr. Part No. S558-5999-AR-F Mouser Part No 530-S558-5999-AR-F	Bel Magnetic Solutions	Audio Transformers / Signal Transformers ROHS 1000BT MODULE 1CT:1CT EXTENDED TEMP TOPPER	Datasheet	75In Stock 1,900On Order On Order Ship Dates Mfr. No: S558-5999-AR-F Stock: 75 Can Dispatch Immediately On Order: 1,140 Expected 13/11/2026 760 Expected 20/11/2026 Factory Lead Time: 14 Weeks	Cut Tape $4.53 $4.02 $3.81 $3.62 Reel $3.17 View $3.29 $3.04 $2.99 Quote MouseReel Available	Min.: 1 Mult.: 1 : 380	LAN Transformers	Module	SMD/SMT	100 kHz to 125 MHz	350 uH				- 40 C	+ 85 C	Single		17.53 mm	12.19 mm	5.71 mm			Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Transformer S558-5999-AT-F Bel Magnetic Solutions 1: $5.96 99In Stock 760Expected 03/02/2027	Mfr. Part No. S558-5999-AT-F Mouser Part No 530-S558-5999-AT-F	Bel Magnetic Solutions	Audio Transformers / Signal Transformers Transformer Learn More about Bel Magnetic Solutions bel magnetic s558 10gb xx	Datasheet	99In Stock 760Expected 03/02/2027	Cut Tape $5.96 $5.10 $4.89 $4.76 Reel $4.20 View $4.56 $4.34 $4.11 MouseReel Available	Min.: 1 Mult.: 1 : 380	LAN Transformers	Module	SMD/SMT	100 kHz to 125 MHz	350 uH				- 40 C	+ 85 C	Single		17.53 mm	12.19 mm	5.71 mm			Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Transformer S558-5999-M8-F Bel Magnetic Solutions 1: $3.53 570In Stock 760Expected 26/01/2027	Mfr. Part No. S558-5999-M8-F Mouser Part No 530-S558-5999-M8-F	Bel Magnetic Solutions	Audio Transformers / Signal Transformers Transformer Learn More about Bel Magnetic Solutions bel magnetic s558 10gb xx	Datasheet	570In Stock 760Expected 26/01/2027	Cut Tape $3.53 $3.20 $2.98 $2.88 Reel $2.62 View $2.72 $2.47 $2.40 $2.36 MouseReel Available	Min.: 1 Mult.: 1 : 380	LAN Transformers	Module	SMD/SMT	100 kHz to 125 MHz	350 uH				0 C	+ 70 C	Single		17.53 mm	12.19 mm	5.71 mm			Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Transformer S558-5999-P3-F Bel Magnetic Solutions 1: $6.18 5In Stock 760Expected 08/01/2027	Mfr. Part No. S558-5999-P3-F Mouser Part No 530-S558-5999-P3-F	Bel Magnetic Solutions	Audio Transformers / Signal Transformers Transformer Learn More about Bel Magnetic Solutions bel magnetic s558 10gb xx	Datasheet	5In Stock 760Expected 08/01/2027	Cut Tape $6.18 $5.48 $5.26 $5.09 Reel $4.48 View $4.72 $4.49 $4.31 $4.18 MouseReel Available	Min.: 1 Mult.: 1 : 380	LAN Transformers	Module	SMD/SMT	100 kHz to 125 MHz	350 uH				0 C	+ 70 C	Single		17.53 mm	12.19 mm	5.71 mm			Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Transformer S558-5999-Q9-F Bel Magnetic Solutions 1: $6.66 63In Stock 1,280Expected 13/11/2026	Mfr. Part No. S558-5999-Q9-F Mouser Part No 530-S558-5999-Q9-F	Bel Magnetic Solutions	Audio Transformers / Signal Transformers Transformer Learn More about Bel Magnetic Solutions bel magnetic s558 10gb xx	Datasheet	63In Stock 1,280Expected 13/11/2026	Cut Tape $6.66 $6.01 $5.78 $5.53 Reel $5.07 View $5.34 $4.84 $4.65 $4.62 MouseReel Available	Min.: 1 Mult.: 1 : 320	LAN Transformers	Module	SMD/SMT	100 kHz to 500 MHz	350 uH				0 C	+ 70 C	Dual		27.94 mm	15.24 mm	4.47 mm			Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Transformer S558-5999-T7-F Bel Magnetic Solutions 1: $2.16 1,033In 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	1,033In Stock	Cut Tape $2.16 $1.96 $1.83 $1.77 Reel $1.52 View $1.70 $1.60 $1.47 $1.46 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-W2-F Bel Magnetic Solutions 1: $2.44 436In Stock 1,800Expected 29/01/2027	Mfr. Part No. S558-5999-W2-F Mouser Part No 530-S558-5999-W2-F	Bel Magnetic Solutions	Audio Transformers / Signal Transformers Transformer Learn More about Bel Magnetic Solutions bel magnetic s558 10gb xx	Datasheet	436In Stock 1,800Expected 29/01/2027	Cut Tape $2.44 $2.22 $2.06 $2.00 Reel $1.75 View $1.92 $1.81 $1.67 MouseReel Available	Min.: 1 Mult.: 1 : 900	LAN Transformers	Module	SMD/SMT	100 kHz to 250 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 MET-09-T - IMPEDANCE MATCHING TRANSFORMER - 10K ohms to 10K ohms MET-09-T Triad Magnetics 1: $12.76 3,076In Stock 6,298On Order	Mfr. Part No. MET-09-T Mouser Part No 553-MET-09-T	Triad Magnetics	Audio Transformers / Signal Transformers MET-09-T - IMPEDANCE MATCHING TRANSFORMER - 10K ohms to 10K ohms	Datasheet	3,076In Stock 6,298On Order On Order Ship Dates Mfr. No: MET-09-T Stock: 3,076 Can Dispatch Immediately On Order: 586 Pending 5,712 Expected 16/02/2027 Factory Lead Time: 16 Weeks	$12.76 $12.14 $10.00 $9.46 View $9.16 $8.99 $8.70 $8.52	Min.: 1 Mult.: 1	Impedance Matching Transformers	Pin Terminal Transformers	Radial	300 Hz to 100 kHz		10 kOhms	10 kOhms		- 20 C	+ 85 C	Single		0.41 in	0.31 in	0.465 in	MET
Audio Transformers / Signal Transformers AUDIO XFMR 10.0Kct:10.0Kct 1.0mADC 50mW ENCAPSULATED PCB MOUNT/SP-66 SP-66 Triad Magnetics 1: $18.18 2,162In Stock	Mfr. Part No. SP-66 Mouser Part No 553-SP66	Triad Magnetics	Audio Transformers / Signal Transformers AUDIO XFMR 10.0Kct:10.0Kct 1.0mADC 50mW ENCAPSULATED PCB MOUNT/SP-66	Datasheet	2,162In Stock	$18.18 $16.27 $15.68 $15.28 View $14.67 $14.13 $13.84	Min.: 1 Mult.: 1	Audio Transformers	Pin Terminal Transformers	Radial	300 Hz to 100 kHz		10 kOhms	10 kOhms	1 kV	- 40 C	+ 85 C	Single		7.874 mm	10.41 mm	11.811 mm	MIL-T-27E
Audio Transformers / Signal Transformers AUDIO XFMR 600ct:600ct 3.0mADC 50mW ENCAPSULATED PCB MOUNT/SP-67 SP-67 Triad Magnetics 1: $19.84 5,037In Stock	Mfr. Part No. SP-67 Mouser Part No 553-SP67	Triad Magnetics	Audio Transformers / Signal Transformers AUDIO XFMR 600ct:600ct 3.0mADC 50mW ENCAPSULATED PCB MOUNT/SP-67	Datasheet	5,037In Stock	$19.84 $17.83 $17.12 $16.60 View $16.02 $15.51 $15.01	Min.: 1 Mult.: 1	Audio Transformers	Pin Terminal Transformers	Radial	300 Hz to 100 kHz		600 Ohms	600 Ohms	1 kV	- 40 C	+ 85 C	Single		0.41 in	0.31 in	0.465 in	MIL-T-27E
Audio Transformers / Signal Transformers TRANSFORMER, AUDIO, HI FI: TY-250P Triad Magnetics 1: $6.50 4,174In Stock	Mfr. Part No. TY-250P Mouser Part No 553-TY-250P	Triad Magnetics	Audio Transformers / Signal Transformers TRANSFORMER, AUDIO, HI FI:	Datasheet	4,174In Stock	$6.50 $5.88 $5.64 $5.46 View $5.30 $5.07 $4.91 $4.75	Min.: 1 Mult.: 1	Audio Transformers	Pin Terminal Transformers	Radial	20 Hz to 20 kHz		1 kOhms	1 kOhms		- 40 C	+ 105 C	Single		0.9 in	0.77 in	0.7 in	TY
Audio Transformers / Signal Transformers AUDIO XFMR 10Kct:10Kct 4mADC 100mW PCB MOUNT/TY-141P TY-141P Triad Magnetics 1: $6.14 4,440In Stock 4,810On Order	Mfr. Part No. TY-141P Mouser Part No 553-TY141P	Triad Magnetics	Audio Transformers / Signal Transformers AUDIO XFMR 10Kct:10Kct 4mADC 100mW PCB MOUNT/TY-141P	Datasheet	4,440In Stock 4,810On Order On Order Ship Dates Mfr. No: TY-141P Stock: 4,440 Can Dispatch Immediately On Order: 400 Pending 4,410 Expected 14/12/2026 Factory Lead Time: 18 Weeks	$6.14 $5.55 $5.33 $5.02 View $4.77 $4.56 $4.46 $4.38 $4.30	Min.: 1 Mult.: 1	Audio Transformers	Pin Terminal Transformers	Radial	200 Hz to 15 kHz		10 kOhms	10 kOhms	1.5 kV	- 20 C	+ 85 C	Single		20.6 mm	17.8 mm	18.8 mm	TY
Audio Transformers / Signal Transformers Disc. Eth. Mag. Quad Port SMT 2337826-1 TE Connectivity / AMP 1: $15.04 104In Stock	Mfr. Part No. 2337826-1 Mouser Part No 571-2337826-1	TE Connectivity / AMP	Audio Transformers / Signal Transformers Disc. Eth. Mag. Quad Port SMT Learn More about TE Connectivity / AMP te industrial ethernet discrete magnetics	Datasheet	104In Stock	$15.04 $14.93 $10.80 $10.79	Min.: 1 Mult.: 1	PoE Transformers		SMD/SMT	30 MHz to 100 MHz	350 uH			1.5 kV	- 40 C	+ 105 C	Quad		31 mm	12.25 mm	7.24 mm
Audio Transformers / Signal Transformers M12 TRANS 10/100 BASE-T D STR 21033812410 HARTING 1: $29.70 43In Stock	Mfr. Part No. 21033812410 Mouser Part No 617-21033812410	HARTING	Audio Transformers / Signal Transformers M12 TRANS 10/100 BASE-T D STR Learn More about HARTING m12 magnetics connectors	Datasheet	43In Stock	$29.70 $26.74 $25.63 $24.61 View $23.82 $22.82	Min.: 1 Mult.: 1	PoE Transformers		SMD/SMT	10 MHz to 100 MHz				1.5 kV	- 40 C	+ 85 C	Dual
Audio Transformers / Signal Transformers M12 TRANS 10/100 BASE-T D STR W/ POE 21033812411 HARTING 1: $30.97 4In Stock 60Expected 16/11/2026	Mfr. Part No. 21033812411 Mouser Part No 617-21033812411	HARTING	Audio Transformers / Signal Transformers M12 TRANS 10/100 BASE-T D STR W/ POE Learn More about HARTING m12 magnetics connectors	Datasheet	4In Stock 60Expected 16/11/2026	$30.97 $27.73 $26.53 $25.55 View $24.70 $23.46 Quote	Min.: 1 Mult.: 1	PoE Transformers		SMD/SMT	10 MHz to 100 MHz				1.5 kV	- 40 C	+ 85 C	Dual