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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	Qualification	Packaging
Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS TC1.33-282+ Mini-Circuits 1: €4.28 784In Stock	Mfr. Part No. TC1.33-282+ Mouser Part No 139-TC1.33-282	Mini-Circuits	Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS Learn More about Mini-Circuits mini circuits tc1 transformers	Datasheet	784In Stock	Cut Tape €4.28 €3.16 €2.85 Reel €2.85 MouseReel Available	Min.: 1 Mult.: 1 : 500	RF Transformers		SMD/SMT	5 MHz to 2.8 GHz		50 Ohms	50 Ohms		- 40 C	+ 85 C	Single	3.81 mm x 3.81 mm x 4.06 mm	3.81 mm	3.81 mm	4.06 mm	TC1.33		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS TC1.5-1X+ Mini-Circuits 1: €3.85 535In Stock 500Expected 08/02/2027	Mfr. Part No. TC1.5-1X+ Mouser Part No 139-TC1.5-1X	Mini-Circuits	Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS Learn More about Mini-Circuits mini circuits tc1 transformers	Datasheet	535In Stock 500Expected 08/02/2027	Cut Tape €3.85 €2.72 €2.31 €2.22 Reel €2.16 MouseReel Available	Min.: 1 Mult.: 1 : 500																TC1.5		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT/ HAT RoHS TC4-19X+ Mini-Circuits 1: €3.01 2,292In Stock	Mfr. Part No. TC4-19X+ Mouser Part No 139-TC4-19X	Mini-Circuits	Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT/ HAT RoHS	Datasheet	2,292In Stock	Cut Tape €3.01 €2.05 €1.60 €1.54 €1.41 Reel €1.41 MouseReel Available	Min.: 1 Mult.: 1 : 2,000																TC4		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1:2 CORE & WIRE Transformer, 1500 - 6700 MHz, 50? TCM2-672AX+ Mini-Circuits 1: €8.85 1,177In Stock	Mfr. Part No. TCM2-672AX+ Mouser Part No 139-TCM2-672AX+	Mini-Circuits	Audio Transformers / Signal Transformers 1:2 CORE & WIRE Transformer, 1500 - 6700 MHz, 50? Learn More about Mini-Circuits mini circuits tcm transformers	Datasheet	1,177In Stock	Cut Tape €8.85 €8.21 €7.94 Reel €7.94 MouseReel Available	Min.: 1 Mult.: 1 : 500	RF Transformers	Transformer	SMD/SMT	1.5 GHz to 6.7 GHz		50 Ohms	50 Ohms		- 40 C	+ 85 C	1 Channel	4.06 mm x 3.81 mm x 4.06 mm	4.06 mm	3.81 mm	4.06 mm	TCM2		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1:4 CORE & WIRE Transformer, 20 - 600 MHz, 50? TX4-62HP+ Mini-Circuits 1: €12.72 114In Stock New At Mouser	Mfr. Part No. TX4-62HP+ Mouser Part No 139-TX4-62HP+ New At Mouser	Mini-Circuits	Audio Transformers / Signal Transformers 1:4 CORE & WIRE Transformer, 20 - 600 MHz, 50?	Datasheet	114In Stock	Cut Tape €12.72 Reel €12.72 MouseReel Available	Min.: 1 Mult.: 1 : 100	RF Transformers	Surface Mount RF Transformer	SMD/SMT	20 MHz to 600 MHz					- 20 C	+ 85 C	Dual	TT597				TX4		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 10/100BASE-TX SMD AEC-Q200 16P 1-Port TG110-AEX50N5LF HALO Electronics 1: €5.70 1,621In Stock	Mfr. Part No. TG110-AEX50N5LF Mouser Part No 493-TG110-AEX50N5LF	HALO Electronics	Audio Transformers / Signal Transformers 10/100BASE-TX SMD AEC-Q200 16P 1-Port Learn More about HALO Electronics automotive transformers	Datasheet	1,621In Stock	€5.70 €3.76 €3.22 €3.13 View €3.05 Quote	Min.: 1 Mult.: 1	LAN Isolation Transformers	Module	SMD/SMT		350 uH			1.5 kV	- 40 C	+ 125 C	Single	SMD-16	12.7 mm	7.11 mm	6.35 mm	AEX50	AEC-Q200	Tube
Audio Transformers / Signal Transformers 10/100BASE-TX SMD E-Ultra 16P 1-Port TG110-E050N5RL HALO Electronics 1: €4.98 4,764In Stock	Mfr. Part No. TG110-E050N5RL Mouser Part No 493-TG110-E050N5RL	HALO Electronics	Audio Transformers / Signal Transformers 10/100BASE-TX SMD E-Ultra 16P 1-Port Learn More about HALO Electronics halo 10 100base tx transformers	Datasheet	4,764In Stock	€4.98 €3.28 €2.87 €2.79 €2.71	Min.: 1 Mult.: 1	LAN Isolation Transformers	Module	SMD/SMT					1.5 kV	- 40 C	+ 85 C	Single	SMD-16	12.7 mm	7.11 mm	6.35 mm	TG110		Tube
Audio Transformers / Signal Transformers 10/100BASE-TX SMD E-Ultra 16P 1-Port TG110-E050N5RLTR HALO Electronics 1: €7.29 6,275In Stock 9,100Expected 05/02/2027	Mfr. Part No. TG110-E050N5RLTR Mouser Part No 493-TG110-E050N5RLTR	HALO Electronics	Audio Transformers / Signal Transformers 10/100BASE-TX SMD E-Ultra 16P 1-Port Learn More about HALO Electronics halo 10 100base tx transformers	Datasheet	6,275In Stock 9,100Expected 05/02/2027	Cut Tape €7.29 €4.72 €3.86 €3.12 Reel €2.26 View €2.61 €2.16 €2.08 MouseReel Available	Min.: 1 Mult.: 1 : 700	LAN Isolation Transformers	Module	SMD/SMT		400 nH			1.5 kV	- 40 C	+ 85 C	Single	SMD-16	12.7 mm	7.11 mm	6.35 mm	TG110		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 10/100BASE-TX SMD E-Ultra 16P 1-Port TG110-E055N5LF HALO Electronics 1: €2.68 3,586In Stock 2,440Expected 13/11/2026	Mfr. Part No. TG110-E055N5LF Mouser Part No 493-TG110-E055N5LF	HALO Electronics	Audio Transformers / Signal Transformers 10/100BASE-TX SMD E-Ultra 16P 1-Port Learn More about HALO Electronics halo 10 100base tx transformers	Datasheet	3,586In Stock 2,440Expected 13/11/2026	€2.68 €2.66 €2.46 €2.08 €2.04	Min.: 1 Mult.: 1	LAN Isolation Transformers	Module	SMD/SMT		400 nH			1.5 kV	- 40 C	+ 85 C	Single	SMD-16	12.7 mm	7.11 mm	6.35 mm	TG110		Tube
Audio Transformers / Signal Transformers 10/100BASE-TX SMD E-Ultra 16P 1-Port TG110-E055N5LFTR HALO Electronics 1: €6.97 4,845In Stock 19,600On Order	Mfr. Part No. TG110-E055N5LFTR Mouser Part No 493-TG110-E055N5LFTR	HALO Electronics	Audio Transformers / Signal Transformers 10/100BASE-TX SMD E-Ultra 16P 1-Port Learn More about HALO Electronics halo 10 100base tx transformers	Datasheet	4,845In Stock 19,600On Order On Order Ship Dates Mfr. No: TG110-E055N5LFTR Stock: 4,845 Can Dispatch Immediately On Order: 3,500 Expected 25/11/2026 7,700 Expected 16/12/2026 8,400 Expected 02/07/2027 Factory Lead Time: 26 Weeks	Cut Tape €6.97 €4.50 €3.67 €2.97 Reel €2.15 View €2.49 €2.05 €2.00 MouseReel Available	Min.: 1 Mult.: 1 : 700	LAN Isolation Transformers	Module	SMD/SMT		400 nH			1.5 kV	- 40 C	+ 85 C	Single	SMD-16	12.7 mm	7.11 mm	6.35 mm	TG110		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 10/100BASE-TX SMD 16P 1-Port CMRChoke TG110-ESV01N6RL HALO Electronics 1: €4.43 518In Stock	Mfr. Part No. TG110-ESV01N6RL Mouser Part No 493-TG110-ESV01N6RL	HALO Electronics	Audio Transformers / Signal Transformers 10/100BASE-TX SMD 16P 1-Port CMRChoke Learn More about HALO Electronics halo 10 100base tx transformers	Datasheet	518In Stock	€4.43 €4.41 €4.20 €4.09 €4.04	Min.: 1 Mult.: 1	LAN Isolation Transformers		SMD/SMT	500 kHz to 100 MHz	350 uH			1.5 kV	- 40 C	+ 85 C		SMD-16	14.73 mm	7.11 mm	6.35 mm	TG110		Tube
Audio Transformers / Signal Transformers 10/100BASETX SMD 16P RP-Ultra PoE 1Port TG110-RPE5N5LF HALO Electronics 1: €5.36 1,029In Stock	Mfr. Part No. TG110-RPE5N5LF Mouser Part No 493-TG110-RPE5N5LF	HALO Electronics	Audio Transformers / Signal Transformers 10/100BASETX SMD 16P RP-Ultra PoE 1Port Learn More about HALO Electronics halo 10 100base tx transformers	Datasheet	1,029In Stock	€5.36 €3.53 €3.06 €2.98 View €2.76 Quote	Min.: 1 Mult.: 1	LAN Isolation Transformers	Module	SMD/SMT	1 MHz to 80 MHz				1.5 kV	- 40 C	+ 85 C	Single	SMD-16	12.7 mm	7.11 mm	6.35 mm	TG110		Tube
Audio Transformers / Signal Transformers 10/100BASE-TX SMD Ultra 16P 1-Port TG110-S055N2LF HALO Electronics 1: €5.89 3,071In Stock	Mfr. Part No. TG110-S055N2LF Mouser Part No 493-TG110-S055N2LF	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	3,071In Stock	€5.89 €3.81 €2.52 €2.13 €1.80	Min.: 1 Mult.: 1	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		Tube
Audio Transformers / Signal Transformers 10/100BASE-TX SMD Ultra 16P 1-Port TG110-S055N2RLTR HALO Electronics 1: €3.48 4,149In Stock	Mfr. Part No. TG110-S055N2RLTR Mouser Part No 493-TG110-S055N2RLTR	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	4,149In Stock	Cut Tape €3.48 €2.84 €2.30 €1.93 Reel €1.79 View €1.80 €1.78 €1.65 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 10/100BASE-TX SMD AEC-Q200 16P 1-Port TG110-AE050N5LFTR HALO Electronics 1: €3.50 3,163In Stock	Mfr. Part No. TG110-AE050N5LFTR Mouser Part No 493-TG110AE050N5LFTR	HALO Electronics	Audio Transformers / Signal Transformers 10/100BASE-TX SMD AEC-Q200 16P 1-Port	Datasheet	3,163In Stock	Cut Tape €3.50 €3.36 €3.26 €3.15 €3.03 Reel €2.38 MouseReel Available	Min.: 1 Mult.: 1 : 700	LAN Isolation Transformers	Module	SMD/SMT		350 uH			1.5 kV	- 40 C	+ 85 C	Single	SMD-16	12.7 mm	7.11 mm	6.35 mm	AE050	AEC-Q200	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 10/100BASE-TX SMD AEC-Q200 16P 1-Port TG110-AEX50N5LFTR HALO Electronics 1: €3.76 724In Stock	Mfr. Part No. TG110-AEX50N5LFTR Mouser Part No 493-TG110AEX50N5LFTR	HALO Electronics	Audio Transformers / Signal Transformers 10/100BASE-TX SMD AEC-Q200 16P 1-Port Learn More about HALO Electronics automotive transformers	Datasheet	724In Stock	Cut Tape €3.76 €3.61 €3.50 €3.39 Reel €3.20 View €3.25 €2.94 €2.84 Quote MouseReel Available	Min.: 1 Mult.: 1 : 700	LAN Isolation Transformers	Module	SMD/SMT		350 uH			1.5 kV	- 40 C	+ 125 C	Single	SMD-16	12.7 mm	7.11 mm	6.35 mm	AEX50	AEC-Q200	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers SMD ISOLATION MODULE TG111-E032NYLF HALO Electronics 1: €6.64 370In Stock	Mfr. Part No. TG111-E032NYLF Mouser Part No 493-TG111-E032NYLF	HALO Electronics	Audio Transformers / Signal Transformers SMD ISOLATION MODULE	Datasheet	370In Stock	€6.64 €6.63 €6.07 €5.95 View €5.57 €5.54 €5.35 €5.22 Quote	Min.: 1 Mult.: 1	Isolation Transformers																	Tube
Audio Transformers / Signal Transformers GIGABIT ISO MOD GigE 10/100BASE-TX TG111-E12NYNLF HALO Electronics 1: €11.39 784In Stock 2,808On Order	Mfr. Part No. TG111-E12NYNLF Mouser Part No 493-TG111-E12NYNLF	HALO Electronics	Audio Transformers / Signal Transformers GIGABIT ISO MOD GigE 10/100BASE-TX Learn More about HALO Electronics halo gigabit ethernet transformers	Datasheet	784In Stock 2,808On Order On Order Ship Dates Mfr. No: TG111-E12NYNLF Stock: 784 Can Dispatch Immediately On Order: 540 Expected 25/01/2027 1,188 Expected 18/06/2027 1,080 Expected 23/07/2027 Factory Lead Time: 23 Weeks	€11.39 €7.37 €6.00 €4.86 View €4.08 €3.52 €3.36 €3.26	Min.: 1 Mult.: 1	LAN Isolation Transformers	Module	SMD/SMT						- 40 C	+ 85 C			15.24 mm	13.72 mm	6.35 mm	TG1G		Tube
Audio Transformers / Signal Transformers GIGABIT ISO MOD GigE 10/100BASE-TX TG111-E12NYNLFTR HALO Electronics 1: €4.69 1,722In Stock	Mfr. Part No. TG111-E12NYNLFTR Mouser Part No 493-TG111-E12NYNLFTR	HALO Electronics	Audio Transformers / Signal Transformers GIGABIT ISO MOD GigE 10/100BASE-TX Learn More about HALO Electronics halo gigabit ethernet transformers	Datasheet	1,722In Stock	Cut Tape €4.69 €4.49 €4.36 €4.22 Reel €3.66 View €3.53 €3.45 €3.32 MouseReel Available	Min.: 1 Mult.: 1 : 330	LAN Isolation Transformers	Module	SMD/SMT						- 40 C	+ 85 C			15.24 mm	13.72 mm	6.35 mm	TG1G		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Genesus -40C/+85C Mini 1G For MiniPhy TG111-MSCE13LF HALO Electronics 1: €5.03 1,658In Stock	Mfr. Part No. TG111-MSCE13LF Mouser Part No 493-TG111-MSCE13LF	HALO Electronics	Audio Transformers / Signal Transformers Genesus -40C/+85C Mini 1G For MiniPhy Learn More about HALO Electronics halo gigabit ethernet transformers	Datasheet	1,658In Stock	€5.03 €4.54 €4.29 €4.07 View €3.93 €3.52 €3.36 €3.26	Min.: 1 Mult.: 1	LAN Isolation Transformers	Module	SMD/SMT		350 uH			1.5 kV	- 40 C	+ 85 C	Quad	SMD-24	14.22 mm	7.62 mm	8.64 mm	GENESUS		Tube
Audio Transformers / Signal Transformers GIGABIT ISO MOD SMD 24P 1-Port w/Choke TG1G-E001NZRL HALO Electronics 1: €16.20 687In Stock	Mfr. Part No. TG1G-E001NZRL Mouser Part No 493-TG1G-E001NZRL	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	687In Stock	€16.20 €10.47 €8.54 €6.90 View €5.80 €4.99 €4.77 €4.63	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 T1/E1 ISO MOD SMD GullWing 16P Dual Ch TG91-1505N1RL HALO Electronics 1: €6.86 1,259In Stock 2,240On Order	Mfr. Part No. TG91-1505N1RL Mouser Part No 493-TG91-1505N1RL	HALO Electronics	Audio Transformers / Signal Transformers T1/E1 ISO MOD SMD GullWing 16P Dual Ch Learn More about HALO Electronics halo telecom transformers	Datasheet	1,259In Stock 2,240On Order On Order Ship Dates Mfr. No: TG91-1505N1RL Stock: 1,259 Can Dispatch Immediately On Order: 840 Expected 11/12/2026 1,400 Expected 16/12/2026 Factory Lead Time: 20 Weeks	€6.86 €4.44 €3.62 €2.93 View €2.46 €2.12 €2.03 €1.97	Min.: 1 Mult.: 1	Isolation Transformers	Module	SMD/SMT		1.5 mH			1.5 kV	- 40 C	+ 85 C	Octal	SMD-16	12.7 mm	7.11 mm	5.08 mm	SMD-T1		Tube
Audio Transformers / Signal Transformers 60W 10GIG PoE TRANSFORMER S558-10GB-22 Bel Magnetic Solutions 1: €6.03 1,134In Stock	Mfr. Part No. S558-10GB-22 Mouser Part No 530-S558-10GB-22	Bel Magnetic Solutions	Audio Transformers / Signal Transformers 60W 10GIG PoE TRANSFORMER	Datasheet	1,134In Stock	Cut Tape €6.03 €5.36 €5.13 €4.98 Reel €4.33 View €4.82 €4.32 €4.24 €4.00	Min.: 1 Mult.: 1 : 300																		Reel, Cut Tape
Audio Transformers / Signal Transformers ROHS 10/100/1000BT PoE+ MODULE 1CT:1CT TOPPER S558-5500-68 Bel Magnetic Solutions 1: €3.54 1,669In Stock 3,800Expected 27/11/2026	Mfr. Part No. S558-5500-68 Mouser Part No 530-S558-5500-68	Bel Magnetic Solutions	Audio Transformers / Signal Transformers ROHS 10/100/1000BT PoE+ MODULE 1CT:1CT TOPPER	Datasheet	1,669In Stock 3,800Expected 27/11/2026	Cut Tape €3.54 €3.10 €2.94 €2.80 Reel €2.50 View €2.59 €2.49 €2.48 €2.33 MouseReel Available	Min.: 1 Mult.: 1 : 380	LAN Transformers	Module	SMD/SMT	300 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 XFRMR LAN 2.5G 60W POE SMD S558-5500-JD Bel Magnetic Solutions 1: €3.58 1,140In Stock 760Expected 11/12/2026	Mfr. Part No. S558-5500-JD Mouser Part No 530-S558-5500-JD	Bel Magnetic Solutions	Audio Transformers / Signal Transformers XFRMR LAN 2.5G 60W POE SMD Learn More about Bel Magnetic Solutions bel magnetic s558 10gb xx	Datasheet	1,140In Stock 760Expected 11/12/2026	Cut Tape €3.58 €3.24 €3.11 €2.97 Reel €2.69 View €2.81 €2.64 €2.56 Quote	Min.: 1 Mult.: 1 : 380	PoE Transformers		SMD/SMT	1 MHz to 150 MHz					0 C	+ 70 C	Quad		17.53 mm	12.19 mm	5.71 mm			Reel, Cut Tape