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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 (EUR) 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 100BaseTX SMD NonPoE 2-Port HX1294NL Pulse Electronics 1: €6.52 197In Stock 560Expected 15/02/2027	Mfr. Part No. HX1294NL Mouser Part No 673-HX1294NL	Pulse Electronics	Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 2-Port Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	197In Stock 560Expected 15/02/2027	€6.52 €5.89 €5.56 €5.38 View €5.28 €5.05 €4.90 €4.76 €4.71	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	100 kHz to 100 MHz	350 uH			1.5 kV	- 40 C	+ 85 C	Dual	28.58 mm x 16.26 mm x 5.84 mm	28.58 mm	16.26 mm	5.84 mm	100Base-TX	Tube
Audio Transformers / Signal Transformers MDL SIN 100D 1:1 4.5K SUPPULMENT SMD HX1339NL Pulse Electronics 1: €7.82 17In Stock	Mfr. Part No. HX1339NL Mouser Part No 673-HX1339NL	Pulse Electronics	Audio Transformers / Signal Transformers MDL SIN 100D 1:1 4.5K SUPPULMENT SMD Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	17In Stock	€7.82 €7.05 €6.74 €6.52 View €6.32 €5.52 €5.44 €5.38	Min.: 1 Mult.: 1	Signal Transformers		SMD/SMT		350 uH			4.5 kV	- 40 C	+ 85 C	Dual		15.2 mm	12.7 mm	7.62 mm	HX	Tube
Audio Transformers / Signal Transformers 100Base-TX SMD PoE 350uH .75Ohms 1-Port HX2019FNLT Pulse Electronics 1: €4.53 15In Stock 1,800Expected 12/02/2027	Mfr. Part No. HX2019FNLT Mouser Part No 673-HX2019FNLT	Pulse Electronics	Audio Transformers / Signal Transformers 100Base-TX SMD PoE 350uH .75Ohms 1-Port Learn More about Pulse Electronics pulse poe solutions	Datasheet	15In Stock 1,800Expected 12/02/2027	Cut Tape €4.53 €4.09 €3.93 €3.81 Reel €3.46 View €3.69 €3.58 €3.34 MouseReel Available	Min.: 1 Mult.: 1 : 600	LAN Transformers	Module	SMD/SMT	1 MHz to 125 MHz	350 uH			1.5 kV	- 40 C	+ 85 C	Single		0.5 in	0.358 in	0.236 in	HX	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 100Base-TX SMD PoE 350uH .75Ohms 1-Port HX2019NL Pulse Electronics 1: €5.60 362In Stock	Mfr. Part No. HX2019NL Mouser Part No 673-HX2019NL	Pulse Electronics	Audio Transformers / Signal Transformers 100Base-TX SMD PoE 350uH .75Ohms 1-Port Learn More about Pulse Electronics pulse poe solutions	Datasheet	362In Stock	€5.60 €5.06 €4.17 €4.03 View €3.87 €3.47 €3.43	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	1 MHz to 100 MHz	350 uH			1.5 kV	- 40 C	+ 85 C	Single		12.7 mm	9.4 mm	5.97 mm	100Base-TX	Tube
Audio Transformers / Signal Transformers 100Base-TX SMD PoE 350uH .65Ohms 1-Port HX2260NLT Pulse Electronics 1: €3.35 197In Stock	Mfr. Part No. HX2260NLT Mouser Part No 673-HX2260NLT	Pulse Electronics	Audio Transformers / Signal Transformers 100Base-TX SMD PoE 350uH .65Ohms 1-Port	Datasheet	197In Stock	Cut Tape €3.35 €3.03 €2.82 €2.48 Reel €2.27 View €2.37 €2.26 €2.10 €2.07 MouseReel Available	Min.: 1 Mult.: 1 : 600	LAN Transformers	Module	SMD/SMT	1 MHz to 125 MHz					- 40 C	+ 85 C	Single		12.7 mm	9.09 mm	5.99 mm	HX	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 2-Port HX5020FNLT Pulse Electronics 1: €15.54 34In Stock	Mfr. Part No. HX5020FNLT Mouser Part No 673-HX5020FNLT	Pulse Electronics	Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 2-Port Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	34In Stock	Cut Tape €15.54 €13.96 €13.09 €12.71 Reel €11.58 View €12.35 €11.28 Quote MouseReel Available	Min.: 1 Mult.: 1 : 250	LAN Transformers	Module	SMD/SMT	1 MHz to 100 MHz	350 uH			1.5 kV	- 40 C	+ 85 C	Dual		27.94 mm	10.92 mm	8.33 mm	HX	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH 1-port HX5181NL Pulse Electronics 1: €7.00 129In Stock	Mfr. Part No. HX5181NL Mouser Part No 673-HX5181NL	Pulse Electronics	Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH 1-port Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	129In Stock	€7.00 €6.32 €5.97 €5.78 View €5.67 €5.29 €5.23 €4.51	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	1 MHz to 125 MHz	350 uH			1.5 kV	- 40 C	+ 85 C	Single		0.545 in	0.48 in	0.25 in	1000Base-T	Tube
Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 2-Port HX5201NL Pulse Electronics 1: €11.07 117In Stock	Mfr. Part No. HX5201NL Mouser Part No 673-HX5201NL	Pulse Electronics	Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 2-Port Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	117In Stock	€11.07 €10.26 €9.87 €8.30 View €8.29 €8.13 €7.85	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	1 MHz to 100 MHz	350 uH			1.5 kV	- 40 C	+ 85 C	Dual		17.27 mm	14.73 mm	10.67 mm	HX	Tray
Audio Transformers / Signal Transformers 1000BASE-T SMD PoE+ 1-Port HX5224CNL Pulse Electronics 1: €12.49 30In Stock 400Expected 17/03/2027	Mfr. Part No. HX5224CNL Mouser Part No 673-HX5224CNL	Pulse Electronics	Audio Transformers / Signal Transformers 1000BASE-T SMD PoE+ 1-Port Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	30In Stock 400Expected 17/03/2027	Cut Tape €12.49 €11.26 Reel €10.12 €9.70 €8.59 View €8.58 Quote	Min.: 1 Mult.: 1 : 25	LAN Transformers	Module	SMD/SMT	1 MHz to 100 MHz	350 uH			4 kV	- 40 C	+ 85 C	Quad		18.5 mm	15.34 mm	9.77 mm	HX	Reel, Cut Tape
Audio Transformers / Signal Transformers MOD, QUAD,1GP, 1:1 HX5401NLT Pulse Electronics 1: €22.58 48In Stock 340Expected 06/11/2026	Mfr. Part No. HX5401NLT Mouser Part No 673-HX5401NLT	Pulse Electronics	Audio Transformers / Signal Transformers MOD, QUAD,1GP, 1:1 Learn More about Pulse Electronics pulse 1gigabit poe poeplus smd transformers	Datasheet	48In Stock 340Expected 06/11/2026	Cut Tape €22.58 €20.34 €19.50 €18.89 €17.29 Reel €16.46 MouseReel Available	Min.: 1 Mult.: 1 : 170	LAN Transformers	Module	SMD/SMT	1 MHz to 125 MHz	350 uH			1.5 kV	- 40 C	+ 85 C	4 Channel	BGA	28.45 mm	17.27 mm	10.67 mm	HX5401NLT	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1GBT MODULE SIN 1GD 1:1 HX5610NL Pulse Electronics 1: €7.21 67In Stock	Mfr. Part No. HX5610NL Mouser Part No 673-HX5610NL	Pulse Electronics	Audio Transformers / Signal Transformers 1GBT MODULE SIN 1GD 1:1 Learn More about Pulse Electronics pulse 1gigabit poe poeplus smd transformers	Datasheet	67In Stock	€7.21 €6.51 €6.24 €5.91 View €5.72 €4.89 €4.82	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	1 MHz to 125 MHz	350 uH			1.5 kV	- 40 C	+ 85 C	1 Channel	BGA	17.27 mm	7.87 mm	11.18 mm	HX	Tube
Audio Transformers / Signal Transformers 1000Base-T PoE SMD 1-Port 325uH/350uH HX6062FNLT Pulse Electronics 1: €6.14 122In Stock 600Expected 17/02/2027	Mfr. Part No. HX6062FNLT Mouser Part No 673-HX6062FNLT	Pulse Electronics	Audio Transformers / Signal Transformers 1000Base-T PoE SMD 1-Port 325uH/350uH	Datasheet	122In Stock 600Expected 17/02/2027	Cut Tape €6.14 €5.32 €5.10 €5.08 Reel €4.54 View €4.43 €4.29 €3.68 MouseReel Available	Min.: 1 Mult.: 1 : 300	LAN Transformers		SMD/SMT	1 MHz to 125 MHz					- 40 C	+ 85 C	Quad		17.5 mm	15.24 mm	5.72 mm	LAN 10/100/1000 Base-T	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1000Base-T PoE SMD 1-Port 325uH/350uH HX6062NL Pulse Electronics 1: €7.63 1In Stock 325Expected 05/11/2026	Mfr. Part No. HX6062NL Mouser Part No 673-HX6062NL	Pulse Electronics	Audio Transformers / Signal Transformers 1000Base-T PoE SMD 1-Port 325uH/350uH Learn More about Pulse Electronics pulselantrans	Datasheet	1In Stock 325Expected 05/11/2026	€7.63 €6.88 €6.60 €6.39 View €6.19 €5.14 €5.04 €4.96	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	1 MHz to 125 MHz	350 uH			1.5 kV	- 40 C	+ 85 C	Single		17.5 mm	12.2 mm	5.72 mm	1000Base-T	Tube
Audio Transformers / Signal Transformers 1000Base-T PoE SMD 1-Port 325uH/350uH HX6062NLT Pulse Electronics 1: €5.63 67In Stock 1,200Expected 05/11/2026	Mfr. Part No. HX6062NLT Mouser Part No 673-HX6062NLT	Pulse Electronics	Audio Transformers / Signal Transformers 1000Base-T PoE SMD 1-Port 325uH/350uH	Datasheet	67In Stock 1,200Expected 05/11/2026	Cut Tape €5.63 €5.05 €4.85 €4.70 Reel €4.11 View €4.33 €3.96 €3.90 MouseReel Available	Min.: 1 Mult.: 1 : 300	LAN Transformers		SMD/SMT	1 MHz to 125 MHz	350 uH			1.5 kV	- 40 C	+ 85 C	Quad		17.5 mm	12.2 mm	5.72 mm	LAN 10/100/1000 Base-T	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1000Base-T SMD PoE+ 120uH .3Ohms 1-Port HX6098FNLT Pulse Electronics 1: €5.98 21In Stock 750Expected 05/11/2026	Mfr. Part No. HX6098FNLT Mouser Part No 673-HX6098FNLT	Pulse Electronics	Audio Transformers / Signal Transformers 1000Base-T SMD PoE+ 120uH .3Ohms 1-Port Learn More about Pulse Electronics pulse poe solutions	Datasheet	21In Stock 750Expected 05/11/2026	Cut Tape €5.98 €5.40 €5.18 €4.65 Reel €4.41 View €4.48 €3.97 €3.87 €3.83 MouseReel Available	Min.: 1 Mult.: 1 : 250	LAN Transformers		SMD/SMT	1 MHz to 125 MHz		100 Ohms		1.5 kV	- 40 C	+ 85 C	Single		18.16 mm	15.11 mm	6.3 mm	HX	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers QUAD 1000BASE-TX 1:1 4PAIR POE HX6400NL Pulse Electronics 1: €22.50 20In Stock	Mfr. Part No. HX6400NL Mouser Part No 673-HX6400NL	Pulse Electronics	Audio Transformers / Signal Transformers QUAD 1000BASE-TX 1:1 4PAIR POE Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	20In Stock	€22.50 €20.67 €19.95 €18.95 View Quote	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT		350 uH			1.5 kV	- 40 C	+ 85 C	4 Channel					HX	Tube
Audio Transformers / Signal Transformers MDL, SIN, 1GPP, 1:1, EXT. BGA SMD TRAY HX6621NL Pulse Electronics 1: €7.62 210In Stock	Mfr. Part No. HX6621NL Mouser Part No 673-HX6621NL	Pulse Electronics	Audio Transformers / Signal Transformers MDL, SIN, 1GPP, 1:1, EXT. BGA SMD TRAY Learn More about Pulse Electronics pulse 1gigabit poe poeplus smd transformers	Datasheet	210In Stock	€7.62 €6.87 €6.60 €6.36 View €6.15 €5.87 €5.24 €5.13 Quote	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT						- 40 C	+ 85 C	1 Channel	BGA	7.87 mm	17.27 mm	11.18 mm		Tube
Audio Transformers / Signal Transformers MDL SIN 1GP 1:1 EXT HF HXB5008HLT Pulse Electronics 1: €5.03 467In Stock 1,560Expected 17/11/2026	Mfr. Part No. HXB5008HLT Mouser Part No 673-HXB5008HLT	Pulse Electronics	Audio Transformers / Signal Transformers MDL SIN 1GP 1:1 EXT HF Learn More about Pulse Electronics hb hxb discrete lan transformers	Datasheet	467In Stock 1,560Expected 17/11/2026	Cut Tape €5.03 €4.21 €3.96 €3.76 Reel €2.36 View €3.58 €3.40 €2.32 €2.29 MouseReel Available	Min.: 1 Mult.: 1 : 780	LAN Transformers	LAN Discrete Modules	SMD/SMT					1.5 kVrms	- 40 C	+ 85 C	Single		15.1 mm	10 mm	4 mm	HXB	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers SMD Isolation Xfmr 75uH .3Ohms 1-Port PE-65723NL Pulse Electronics 1: €3.61 3In Stock	Mfr. Part No. PE-65723NL Mouser Part No 673-PE-65723NL	Pulse Electronics	Audio Transformers / Signal Transformers SMD Isolation Xfmr 75uH .3Ohms 1-Port	Datasheet	3In Stock	€3.61 €3.00 €2.76 €2.55 View €2.48 €2.42 €2.22 €2.19 €2.18	Min.: 1 Mult.: 1	Telecom Transformers	Module	SMD/SMT	100 kHz	200 nH			2 kV	0 C	+ 70 C	Single	DIP-16	12.7 mm	7.24 mm	5.08 mm		Tube
Audio Transformers / Signal Transformers SMD Digital Audio 2500uH 1-Port PE-65812NL Pulse Electronics 1: €3.99 349In Stock	Mfr. Part No. PE-65812NL Mouser Part No 673-PE-65812NL	Pulse Electronics	Audio Transformers / Signal Transformers SMD Digital Audio 2500uH 1-Port	Datasheet	349In Stock	€3.99 €3.49 €2.91 €2.81 View €2.76 €2.68 €2.52 €2.49	Min.: 1 Mult.: 1	Telecom Transformers	Module	SMD/SMT	100 kHz to 55 MHz	2.5 mH			2 kV	0 C	+ 70 C	Single		12.06 mm	15.24 mm	8.64 mm		Tube
Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH .7Ohms 2-Por PE-65861NL Pulse Electronics 1: €5.27 171In Stock	Mfr. Part No. PE-65861NL Mouser Part No 673-PE-65861NL	Pulse Electronics	Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH .7Ohms 2-Por	Datasheet	171In Stock	€5.27 €4.70 €4.47 €4.33 View €4.12 €3.93 €3.88 €3.75 €3.32	Min.: 1 Mult.: 1	ISDN Transformers	Module	SMD/SMT		1.2 mH, 1.2 mH	1 Ohms, 2 Ohms	1 Ohms, 2 Ohms	1.5 kV	0 C	+ 70 C	Dual		12.83 mm	7.11 mm	6.22 mm		Tube
Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH .7Ohm 2-Port T1090NL Pulse Electronics 1: €5.27 69In Stock	Mfr. Part No. T1090NL Mouser Part No 673-T1090NL	Pulse Electronics	Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH .7Ohm 2-Port	Datasheet	69In Stock	€5.27 €4.70 €4.47 €4.33 View €4.12 €3.93 €3.88 €3.32 €3.28	Min.: 1 Mult.: 1	ISDN Transformers	Module	SMD/SMT			700 mOhms, 700 mOhms		1.5 kV	- 40 C	+ 85 C	Dual		12.83 mm	7.11 mm	6.22 mm		Tube
Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH .9Ohms 2-Por T1212NL Pulse Electronics 1: €10.86 22In Stock	Mfr. Part No. T1212NL Mouser Part No 673-T1212NL	Pulse Electronics	Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH .9Ohms 2-Por	Datasheet	22In Stock	€10.86 €9.80 €8.85 €8.84 View €7.53 €7.16	Min.: 1 Mult.: 1	ISDN Transformers	Module	SMD/SMT	50 kHz to 3 MHz	1.2 mH			1.5 kV	- 40 C	+ 85 C	2 Channel		17.15 mm	11.58 mm	8.64 mm	T1212	Tube
Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH .9Ohms 2-Por T1212NLT Pulse Electronics 1: €10.86 15In Stock 500On Order	Mfr. Part No. T1212NLT Mouser Part No 673-T1212NL673-T	Pulse Electronics	Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH .9Ohms 2-Por	Datasheet	15In Stock 500On Order On Order Ship Dates Mfr. No: T1212NLT Stock: 15 Can Dispatch Immediately On Order: 250 Expected 05/01/2027 250 Expected 17/03/2027 Factory Lead Time: 10 Weeks	Cut Tape €10.86 €9.80 €9.40 €9.11 €8.82 Reel €7.38 MouseReel Available	Min.: 1 Mult.: 1 : 250	ISDN Transformers	Module	SMD/SMT			900 mOhms		1.5 kV	- 40 C	+ 85 C	Dual		17.15 mm	11.58 mm	8.64 mm		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers SMD T3/DS3/E3/STS-1 100uH 1-Port T3001NLT Pulse Electronics 1: €6.32 6In Stock	Mfr. Part No. T3001NLT Mouser Part No 673-T3001NL673-T	Pulse Electronics	Audio Transformers / Signal Transformers SMD T3/DS3/E3/STS-1 100uH 1-Port Learn More about Pulse Electronics pulsetelecom	Datasheet	6In Stock	Cut Tape €6.32 €5.65 €5.42 €5.25 Reel €4.41 View €5.09 €4.82 €4.27 MouseReel Available	Min.: 1 Mult.: 1 : 500	Telecom Transformers	Module	SMD/SMT	100 kHz	100 uH			1.5 kV	- 40 C	+ 85 C	Single		7.62 mm	9.91 mm	6.99 mm		Reel, Cut Tape, MouseReel