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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 RF XFMR / SURF MT / RoHS BLGE4-252R+ Mini-Circuits 1: €1.96 3,959In Stock	Mfr. Part No. BLGE4-252R+ Mouser Part No 139-BLGE4-252R	Mini-Circuits	Audio Transformers / Signal Transformers RF XFMR / SURF MT / RoHS	Datasheet	3,959In Stock	Cut Tape €1.96 €1.70 €1.50 €1.30 Reel €0.912 MouseReel Available	Min.: 1 Mult.: 1 : 500																BLGE4	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS TCM1-1+ Mini-Circuits 1: €2.88 859In Stock	Mfr. Part No. TCM1-1+ Mouser Part No 139-TCM1-1	Mini-Circuits	Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS Learn More about Mini-Circuits mini circuits tcm transformers	Datasheet	859In Stock	Cut Tape €2.88 €1.89 €1.47 €1.44 Reel €1.44 MouseReel Available	Min.: 1 Mult.: 1 : 500	RF Transformers		SMD/SMT	1.5 MHz to 500 MHz		50 Ohms	50 Ohms		- 20 C	+ 85 C	Single	4.06 mm x 3.81 mm x 4.06 mm	4.06 mm	3.81 mm	4.06 mm	TCM1	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers XFRMR / SURF MOUNT / RoHS TTC2-63W+ Mini-Circuits 1: €12.17 3,286In Stock	Mfr. Part No. TTC2-63W+ Mouser Part No 139-TTC2-63W+	Mini-Circuits	Audio Transformers / Signal Transformers XFRMR / SURF MOUNT / RoHS Learn More about Mini-Circuits mini circuits ttc2 63plus transformers	Datasheet	3,286In Stock	€12.17 €12.16 €10.66 €9.92 View €9.26 Quote	Min.: 1 Mult.: 1	RF Transformers	Module		100 MHz to 6 GHz		50 Ohms			- 40 C	+ 85 C						TTC2	Bulk
Audio Transformers / Signal Transformers VOIP MODULE 1CT:1CT SHARE CMC ROHS TOPPER S558-5500-25-F Bel Magnetic Solutions 1: €1.66 37,669In Stock 12,600Expected 20/10/2026	Mfr. Part No. S558-5500-25-F Mouser Part No 530-S558-5500-25-F	Bel Magnetic Solutions	Audio Transformers / Signal Transformers VOIP MODULE 1CT:1CT SHARE CMC ROHS TOPPER	Datasheet	37,669In Stock 12,600Expected 20/10/2026	Cut Tape €1.66 €1.51 €1.40 €1.36 Reel €1.19 View €1.31 €1.24 €1.14 €1.12 MouseReel Available	Min.: 1 Mult.: 1 : 900	LAN Transformers	Module	SMD/SMT	100 kHz to 100 MHz	350 uH				0 C	+ 70 C	Single		12.32 mm	7.24 mm	5.71 mm		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Transformer S558-5999-U7-F Bel Magnetic Solutions 1: €1.76 57,139In Stock	Mfr. Part No. S558-5999-U7-F Mouser Part No 530-S558-5999-U7-F	Bel Magnetic Solutions	Audio Transformers / Signal Transformers Transformer Learn More about Bel Magnetic Solutions bel magnetic s558 10gb xx	Datasheet	57,139In Stock	Cut Tape €1.76 €1.60 €1.49 €1.44 Reel €1.26 View €1.38 €1.32 €1.23 €1.22 MouseReel Available	Min.: 1 Mult.: 1 : 900	LAN Transformers	Module	SMD/SMT	300 kHz to 100 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 LAN 10/100 Tin Potted PT61017PEL Bourns 1: €1.35 24,073In Stock	Mfr. Part No. PT61017PEL Mouser Part No 652-PT61017PEL	Bourns	Audio Transformers / Signal Transformers LAN 10/100 Tin Potted Learn More about Bourns power supply solutions	Datasheet	24,073In Stock	Cut Tape €1.35 €1.23 €1.14 €1.11 Reel €0.894 View €1.07 €0.886 MouseReel Available	Min.: 1 Mult.: 1 : 600	LAN Transformers	Module	SMD/SMT	30 MHz to 100 MHz	350 uH			1.5 kVAC	0 C	+ 70 C	Dual	SMD-16	12.8 mm	6.9 mm	5.65 mm	PT61017PEL	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 600uH 7.36mm SMT Line Matching SM-LP-5001E Bourns 1: €2.06 24,853In Stock 1,600On Order	Mfr. Part No. SM-LP-5001E Mouser Part No 652-SM-LP-5001E	Bourns	Audio Transformers / Signal Transformers 600uH 7.36mm SMT Line Matching Learn More about Bourns power supply solutions	Datasheet	24,853In Stock 1,600On Order	Cut Tape €2.06 €1.86 €1.74 €1.68 Reel €1.52 View €1.58 €1.48 €1.41 MouseReel Available	Min.: 1 Mult.: 1 : 400	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	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers XFMER 1.2A POE SM51625EL Bourns 1: €2.28 9,998In Stock 4,550Expected 12/10/2026	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	9,998In Stock 4,550Expected 12/10/2026	Cut Tape €2.28 €2.08 €1.90 €1.83 Reel €1.72 View €1.67 €1.60 €1.55 €1.50 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 LAN 10/100/1000 BASE-T 1000B-5002FXNLT iNRCORE 1: €39.47 393In 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	393In Stock	Cut Tape €39.47 €35.56 Reel €35.56 View Quote MouseReel Available	Min.: 1 Mult.: 1 : 300			SMD/SMT									SMD-24				1000B	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers XFMR MDL,SGL,1000B,1:1,SMT 1000B-5012XT iNRCORE 1: €44.24 595In Stock	Mfr. Part No. 1000B-5012XT Mouser Part No 673-1000B-5012XT	iNRCORE	Audio Transformers / Signal Transformers XFMR MDL,SGL,1000B,1:1,SMT	Datasheet	595In Stock	Cut Tape €44.24 €41.19 Reel €41.19 View Quote MouseReel Available	Min.: 1 Mult.: 1 : 350			SMD/SMT					1500 Vrms	- 55 C	+ 125 C	1 Channel		15.49 mm	13.46 mm	6.48 mm		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers EXTMP XFMR 100BT SMG COM EXM 100B-1003XNLT iNRCORE 1: €19.69 1,479In Stock	Mfr. Part No. 100B-1003XNLT Mouser Part No 673-100B-1003XNLT	iNRCORE	Audio Transformers / Signal Transformers EXTMP XFMR 100BT SMG COM EXM	Datasheet	1,479In Stock	Cut Tape €19.69 €17.73 €17.00 €16.47 View Reel €15.21 €15.94 €15.27 €15.21 Quote MouseReel Available	Min.: 1 Mult.: 1 : 600																100B	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers RF BALUN 50/150OHM HFB050150 iNRCORE 1: €745.10 3In Stock	Mfr. Part No. HFB050150 Mouser Part No 673-HFB050150	iNRCORE	Audio Transformers / Signal Transformers RF BALUN 50/150OHM	Datasheet	3In Stock	€745.10 €638.71	Min.: 1 Mult.: 1	Baluns	Balun Adapter							0 C	+ 70 C			38.35 mm	28.96 mm	22.96 mm		Tube
Audio Transformers / Signal Transformers 200uH LAN 1000 Base 1:1 Surface Mount TC1000 Pulse Electronics 1: €1.63 1,926In Stock	Mfr. Part No. TC1000 Mouser Part No 673-TC1000	Pulse Electronics	Audio Transformers / Signal Transformers 200uH LAN 1000 Base 1:1 Surface Mount Learn More about Pulse Electronics pulse pulsechip transformers	Datasheet	1,926In Stock	Cut Tape €1.63 €1.41 €1.35 €1.26 Reel €0.886 View €1.21 €1.18 €1.14 €0.877 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	LAN Transformers	LAN	SMD/SMT	1 MHz to 100 MHz	200 uH			1.5 kV	- 40 C	+ 85 C	Single	4.7 mm x 3.4 mm x 3.04 mm	4.7 mm	3.4 mm	3.04 mm	TC	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 120uH LAN 10G PoE 1:1 Surface Mount TC10000P Pulse Electronics 1: €1.92 2,000In Stock	Mfr. Part No. TC10000P Mouser Part No 673-TC10000P	Pulse Electronics	Audio Transformers / Signal Transformers 120uH LAN 10G PoE 1:1 Surface Mount Learn More about Pulse Electronics pulse pulsechip transformers	Datasheet	2,000In Stock	Cut Tape €1.92 €1.65 €1.59 €1.48 Reel €1.24 View €1.42 €1.38 €1.34 €1.03 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	LAN Transformers	LAN	SMD/SMT	1 MHz to 400 MHz	120 uH			1.5 kV	- 40 C	+ 85 C	Single	4.7 mm x 3.4 mm x 3.04 mm	4.7 mm	3.4 mm	3.04 mm	TC	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 180uH LAN 2.5G 1:1 Surface Mount TC2500 Pulse Electronics 1: €1.63 2,000In Stock	Mfr. Part No. TC2500 Mouser Part No 673-TC2500	Pulse Electronics	Audio Transformers / Signal Transformers 180uH LAN 2.5G 1:1 Surface Mount Learn More about Pulse Electronics pulse pulsechip transformers	Datasheet	2,000In Stock	Cut Tape €1.63 €1.40 €1.35 €1.26 Reel €1.05 View €1.20 €1.18 €1.14 €0.877 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	LAN Transformers	LAN	SMD/SMT	1 MHz to 125 MHz	180 uH			1.5 kV	- 40 C	+ 85 C	Single	4.7 mm x 3.4 mm x 3.04 mm	4.7 mm	3.4 mm	3.04 mm	TC	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 180uH LAN 2.5G PoE 1:1 Surface Mount TC2500P Pulse Electronics 1: €1.70 2,000In Stock	Mfr. Part No. TC2500P Mouser Part No 673-TC2500P	Pulse Electronics	Audio Transformers / Signal Transformers 180uH LAN 2.5G PoE 1:1 Surface Mount Learn More about Pulse Electronics pulse pulsechip transformers	Datasheet	2,000In Stock	Cut Tape €1.70 €1.47 €1.41 €1.32 Reel €1.10 View €1.26 €1.23 €1.20 €0.92 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	LAN Transformers	LAN	SMD/SMT	1 MHz to 125 MHz	180 uH			1.5 kV	- 40 C	+ 85 C	Single	4.7 mm x 3.4 mm x 3.04 mm	4.7 mm	3.4 mm	3.04 mm	TC	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 180uH LAN 5G 1:1 Surface Mount TC5000 Pulse Electronics 1: €1.65 1,999In Stock	Mfr. Part No. TC5000 Mouser Part No 673-TC5000	Pulse Electronics	Audio Transformers / Signal Transformers 180uH LAN 5G 1:1 Surface Mount Learn More about Pulse Electronics pulse pulsechip transformers	Datasheet	1,999In Stock	Cut Tape €1.65 €1.43 €1.37 €1.27 View Reel €0.894 €1.23 €1.20 €1.16 €0.894 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	LAN Transformers	LAN	SMD/SMT	1 MHz to 250 MHz	180 uH			1.5 kV	- 40 C	+ 85 C	Single	4.7 mm x 3.4 mm x 3.04 mm	4.7 mm	3.4 mm	3.04 mm	TC	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN 10/100 Base-T SMD 1 Port Transfrmr 749013011A Wurth Elektronik / Midcom 1: €3.38 6,467In Stock	Mfr. Part No. 749013011A Mouser Part No 710-749013011A	Wurth Elektronik / Midcom	Audio Transformers / Signal Transformers WE-LAN 10/100 Base-T SMD 1 Port Transfrmr Learn More about Wurth Elektronik / Midcom wurth WE LAN transformers	Datasheet	6,467In Stock	Cut Tape €3.38 €3.13 €2.87 €2.67 Reel €2.00 MouseReel Available	Min.: 1 Mult.: 1 : 600	LAN Transformers	LAN	SMD/SMT	1 MHz to 1 GHz	350 uH			1.5 kVAC	- 40 C	+ 105 C	Single		12.7 mm	9.4 mm	6.35 mm	WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN 10/100/1000 1Port ETR Base T SMD 7490220122 Wurth Elektronik 1: €6.00 6,553In Stock 3,480Expected 04/01/2027	Mfr. Part No. 7490220122 Mouser Part No 710-7490220122	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN 10/100/1000 1Port ETR Base T SMD Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	6,553In Stock 3,480Expected 04/01/2027	Cut Tape €6.00 €5.79 €5.44 €5.12 Reel €4.56 MouseReel Available	Min.: 1 Mult.: 1 : 290	LAN Transformers	LAN	SMD/SMT	1 MHz to 100 MHz	350 uH			1.5 kVAC	- 40 C	+ 105 C	Quad		18.29 mm	16 mm	8.8 mm	WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN 10/100/1000 Base-T SMT 24P pitch 1.27mm 1.5KVrms isolation. PoE 350mA 749023113C Wurth Elektronik 1: €7.16 12,089In Stock	Mfr. Part No. 749023113C Mouser Part No 710-749023113C	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN 10/100/1000 Base-T SMT 24P pitch 1.27mm 1.5KVrms isolation. PoE 350mA Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	12,089In Stock	Cut Tape €7.16 €6.58 €5.93 €5.38 Reel €4.68 MouseReel Available	Min.: 1 Mult.: 1 : 1,200	LAN Transformers	LAN Transformer	SMD/SMT		350 uH			1.5 kV	- 40 C	+ 85 C			16.5 mm	9.6 mm	2.4 mm	WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers THROUGH HOLE 600:600CT MET-59 Tamura 1: €11.81 465In Stock 1,100Expected 16/11/2026	Mfr. Part No. MET-59 Mouser Part No 838-MET-59	Tamura	Audio Transformers / Signal Transformers THROUGH HOLE 600:600CT	Datasheet	465In Stock 1,100Expected 16/11/2026	€11.81 €10.33 €9.91 €9.60 View €9.30 €8.91 €8.03 €7.83	Min.: 1 Mult.: 1	Audio Transformers			400 Hz to 250 kHz		600 Ohms	600 Ohms	500 V	- 55 C	+ 130 C			10.4 mm	7.87 mm	11.8 mm	MET	Tube
Audio Transformers / Signal Transformers 4.5-3000MHz IL 2dB Impedance Ratio 1:1 ETC1-1-13TR MACOM 1: €3.06 33,877In Stock 30,000Expected 06/11/2026	Mfr. Part No. ETC1-1-13TR Mouser Part No 937-ETC1-1-13TR	MACOM	Audio Transformers / Signal Transformers 4.5-3000MHz IL 2dB Impedance Ratio 1:1 Learn More about MACOM etc1 1 13 transformer	Datasheet	33,877In Stock 30,000Expected 06/11/2026	Cut Tape €3.06 €2.30 €1.75 €1.54 Reel €1.25 €1.23 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	RF Transformers		SMD/SMT	4.5 MHz to 3 GHz		50 Ohms			- 40 C	+ 85 C	Single	SM-22-5	3.81 mm	3.81 mm	2.67 mm		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers .1-200MHz IL 1.5dB Impedance Ratio 1:1 ETC1-1T-2TR MACOM 1: €2.67 13,841In Stock	Mfr. Part No. ETC1-1T-2TR Mouser Part No 937-ETC1-1T-2	MACOM	Audio Transformers / Signal Transformers .1-200MHz IL 1.5dB Impedance Ratio 1:1	Datasheet	13,841In Stock	Cut Tape €2.67 €2.43 €2.23 €2.12 Reel €1.44 View €2.04 €1.97 €1.91 €1.42 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	RF Transformers		SMD/SMT	100 kHz to 200 MHz		50 Ohms			- 40 C	+ 85 C	Single	SM-22-5	3.81 mm	3.81 mm	2.67 mm		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Balun,1:2TxLine 10MHz10GHz CER3.8x3.8mm MABA-011118 MACOM 1: €13.62 14,882In Stock	Mfr. Part No. MABA-011118 Mouser Part No 937-MABA-011118	MACOM	Audio Transformers / Signal Transformers Balun,1:2TxLine 10MHz10GHz CER3.8x3.8mm	Datasheet	14,882In Stock	€13.62 €10.77 €10.32 €10.00 View €9.68 €9.11 €7.97	Min.: 1 Mult.: 1	Baluns		SMD/SMT
Audio Transformers / Signal Transformers 4.5-3000MHz IL 2dB Impedance Ratio 1:1 MABA-007159-000000 MACOM 1: €2.98 38,419In Stock	Mfr. Part No. MABA-007159-000000 Mouser Part No 937-MABA007159000000	MACOM	Audio Transformers / Signal Transformers 4.5-3000MHz IL 2dB Impedance Ratio 1:1	Datasheet	38,419In Stock	Cut Tape €2.98 €2.22 €1.65 €1.46 Reel €1.44 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	RF Transformers		SMD/SMT	4.5 MHz to 3 GHz		50 Ohms			- 40 C	+ 85 C	Single	SM-22-5	3.81 mm	3.81 mm	2.67 mm	MABA	Reel, Cut Tape, MouseReel