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Transformers Audio & Signal

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Transformers for Audio Applications

Audio transformers can used to step up or step down a signal voltage, increase or decrease the impedance of a circuit, convert a circuit from unbalanced to balanced and vice versa, block DC current in a circuit while allowing AC current to flow, or electrically isolate one audio device from another. Learn More

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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.	RoHS	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 RJ45 10/100 Sngl 5000V Iso TDR110-QE10AWLF HALO Electronics 1: €21.11 2,335In Stock	Mfr. Part No. TDR110-QE10AWLF Mouser Part No 493-TDR110-QE10AWLF	HALO Electronics	Audio Transformers / Signal Transformers RJ45 10/100 Sngl 5000V Iso		2,335In Stock	€21.11 €15.08 €12.67 €10.55 View €7.92 €6.33 €5.76 Quote	Min.: 1 Mult.: 1		LAN Transformers							5 kV			Single					TDR110	Tube
Audio Transformers / Signal Transformers ROHS DUAL 1000BT PoE+ MODULE 1CT:1CT TOPPER S558-5500-72 Bel Magnetic Solutions 1: €6.45 1,153In Stock	Mfr. Part No. S558-5500-72 Mouser Part No 530-S558-5500-72	Bel Magnetic Solutions	Audio Transformers / Signal Transformers ROHS DUAL 1000BT PoE+ MODULE 1CT:1CT TOPPER	Datasheet	1,153In Stock	Cut Tape €6.45 €5.82 €5.58 €5.41 Reel €4.48 View €5.04 €3.95 MouseReel Available	Min.: 1 Mult.: 1 : 240				SMD/SMT	300 kHz to 125 MHz					- 40 C	+ 85 C	Dual		27.81 mm	12.19 mm	7.24 mm		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH 8-Port TX1471NL Pulse Electronics 1: €8.39 283In Stock	Mfr. Part No. TX1471NL Mouser Part No 673-TX1471NL	Pulse Electronics	Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH 8-Port	Datasheet	283In Stock	€8.39 €7.34 €7.11 €6.97 View €6.14 €5.70 €5.62	Min.: 1 Mult.: 1		ISDN Transformers	Module	SMD/SMT		1.2 mH			1.5 kV	- 40 C	+ 85 C	Octal	YB/1	25.4 mm	10.8 mm	7.11 mm		Tube
Audio Transformers / Signal Transformers WE-LAN 1Port SMD Trnsfmr 749014010 Wurth Elektronik 1: €6.70 872In Stock	Mfr. Part No. 749014010 Mouser Part No 710-749014010	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN 1Port SMD Trnsfmr Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	872In Stock	Cut Tape €6.70 €6.47 €6.11 €5.74 Reel €5.72 €4.98 MouseReel Available	Min.: 1 Mult.: 1 : 300		LAN Transformers	LAN	SMD/SMT	1 MHz to 100 MHz	350 uH			4.5 kVAC	0 C	+ 70 C	Quad	17.1 mm x 14.75 mm x 8.4 mm	17.1 mm	15.34 mm	8.4 mm	WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN Trans 1 Port 1000BT 1 Port 749023010A Wurth Elektronik 1: €5.95 750In Stock	Mfr. Part No. 749023010A Mouser Part No 710-749023010A	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN Trans 1 Port 1000BT 1 Port Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	750In Stock	Cut Tape €5.95 €5.44 €5.03 €4.73 Reel €4.48 View €4.72 €4.29 MouseReel Available	Min.: 1 Mult.: 1 : 400		LAN Transformers	LAN	SMD/SMT		350 uH			1500 Vrms	0 C	+ 70 C	Single		17.5 mm	15.6 mm	5.4 mm	WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 45 to 1000Mhz 1:1 Transformer RFXF0006H-TR13 Qorvo 1: €3.73 974In Stock	Mfr. Part No. RFXF0006H-TR13 Mouser Part No 772-RFXF0006H-TR13	Qorvo	Audio Transformers / Signal Transformers 45 to 1000Mhz 1:1 Transformer	Datasheet	974In Stock	Cut Tape €3.73 €3.34 €3.23 €3.07 Reel €2.20 View €2.85 €1.92 €1.89 MouseReel Available	Min.: 1 Mult.: 1 : 1,000		LAN Transformers		SMD/SMT	45 MHz to 1.2 GHz					- 40 C	+ 100 C		SP5	3.45 mm	2 mm	3.5 mm	RFXF0006H	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers THROUGH HOLE 10KCT:500CT MET-17 Tamura 1: €11.40 1,088In Stock	Mfr. Part No. MET-17 Mouser Part No 838-MET-17	Tamura	Audio Transformers / Signal Transformers THROUGH HOLE 10KCT:500CT	Datasheet	1,088In Stock	€11.40 €10.29 €9.73 €9.37 View €9.25 €8.72 €8.52 €8.51	Min.: 1 Mult.: 1		Audio Transformers		Terminals	300 Hz to 100 kHz		10 kOhms	500 Ohms	500 V	- 20 C	+ 85 C			10.4 mm	7.87 mm	11.8 mm	MET	Tube
Audio Transformers / Signal Transformers 5-1000MHz IL 1.1dB Ctr Tap -40C +85C MABACT0040 MACOM 1: €2.92 3,106In Stock	Mfr. Part No. MABACT0040 Mouser Part No 937-MABACT0040	MACOM	Audio Transformers / Signal Transformers 5-1000MHz IL 1.1dB Ctr Tap -40C +85C	Datasheet	3,106In Stock	Cut Tape €2.92 €2.65 €2.47 €2.39 Reel €2.08 View €2.30 €2.22 €2.15 €2.01 MouseReel Available	Min.: 1 Mult.: 1 : 2,000		Baluns		SMD/SMT	5 MHz to 1.218 GHz		75 Ohms			- 40 C	+ 85 C	Single		4.21 mm	4.21 mm	3.81 mm	MABA	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Signal - Transceiver Mil-Grade X-1569 iNRCORE 1: €15.12 140In Stock	Mfr. Part No. X-1569 Mouser Part No 673-X-1569	iNRCORE	Audio Transformers / Signal Transformers Signal - Transceiver Mil-Grade	Datasheet	140In Stock	€15.12 €13.62 €13.06 €12.50 View €11.78 €11.61 €11.35 €11.24 Quote	Min.: 1 Mult.: 1	No																	Tube
Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH .75Ohms 2-Port HX1305NLT Pulse Electronics 1: €7.68 22In Stock	Mfr. Part No. HX1305NLT Mouser Part No 673-HX1305NLT	Pulse Electronics	Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH .75Ohms 2-Port Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	22In Stock	Cut Tape €7.68 €6.93 €6.65 €6.44 Reel €5.40 View €5.96 €5.31 €5.25 Quote	Min.: 1 Mult.: 1 : 200		LAN Transformers	Module	SMD/SMT						- 40 C	+ 85 C	Single						Reel, Cut Tape
Audio Transformers / Signal Transformers C1585 TI LM5070 13uH 5.0 V 2.6 A C1585-ALD Coilcraft 1: €4.85 87In Stock	Mfr. Part No. C1585-ALD Mouser Part No 994-C1585-ALD	Coilcraft	Audio Transformers / Signal Transformers C1585 TI LM5070 13uH 5.0 V 2.6 A Learn More about Coilcraft power magnetics	Datasheet	87In Stock	Cut Tape €4.85 €3.77 €3.62 €3.51 Reel €3.20 View €3.39 €3.10 €2.99 €2.98 MouseReel Available	Min.: 1 Mult.: 1 : 175		Flyback Transformers	Flyback	SMD/SMT	250 kHz	127 uH			1.5 kV	- 40 C	+ 85 C	Single		13.46 mm	13 mm	12.7 mm	C1585	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers FA2671 SMT Flyback For Si3401, Si3402 FA2671-ALD Coilcraft 1: €4.27 31In Stock 400Expected 12/11/2026	Mfr. Part No. FA2671-ALD Mouser Part No 994-FA2671-ALD	Coilcraft	Audio Transformers / Signal Transformers FA2671 SMT Flyback For Si3401, Si3402 Learn More about Coilcraft power magnetics	Datasheet	31In Stock 400Expected 12/11/2026	Cut Tape €4.27 €3.38 €3.26 €3.04 Reel €2.88 View €2.76 €2.72 €2.62 Quote MouseReel Available	Min.: 1 Mult.: 1 : 200		Flyback Transformers	Flyback	SMD/SMT	400 kHz	40 uH			1.5 kV	- 40 C	+ 85 C	Single		12.7 mm	10.5 mm	11 mm	FA2671	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers POE13F Flyback PoE 13uH 24 V 0.54 A POE13F-24LD Coilcraft 1: €4.58 182In Stock	Mfr. Part No. POE13F-24LD Mouser Part No 994-POE13F-24LD	Coilcraft	Audio Transformers / Signal Transformers POE13F Flyback PoE 13uH 24 V 0.54 A Learn More about Coilcraft poexf flyback transformers	Datasheet	182In Stock	Cut Tape €4.58 €3.63 €3.49 €3.26 Reel €3.09 View €2.96 €2.91 €2.81 Quote MouseReel Available	Min.: 1 Mult.: 1 : 200		PoE Transformers	Flyback	SMD/SMT	250 kHz					- 40 C	+ 125 C	Single		17.2 mm	14.98 mm	8.51 mm	POE13F	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers PWB Wideband RF 1:2 0.200-400 MHz PWB-2-BLC Coilcraft 1: €4.14 5In Stock 250Expected 08/01/2027	Mfr. Part No. PWB-2-BLC Mouser Part No 994-PWB-2-BLC	Coilcraft	Audio Transformers / Signal Transformers PWB Wideband RF 1:2 0.200-400 MHz	Datasheet	5In Stock 250Expected 08/01/2027	Cut Tape €4.14 €3.28 Reel €2.79 €2.67 €2.62 View €2.54 Quote MouseReel Available	Min.: 1 Mult.: 1 : 250		RF Transformers		SMD/SMT	200 kHz to 400 MHz					- 40 C	+ 85 C	Single		6.77 mm	6.48 mm	4.45 mm	PWB	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Wideband RF, TH 250mA 4:1sec SWB1040-PCL Coilcraft 1: €5.19 14In Stock	Mfr. Part No. SWB1040-PCL Mouser Part No 994-SWB1040-PCL	Coilcraft	Audio Transformers / Signal Transformers Wideband RF, TH 250mA 4:1sec Learn More about Coilcraft swb transformers	Datasheet	14In Stock	€5.19 €4.02 €3.86 €3.75 View €3.62 €3.42 €3.31 €3.20 €3.18	Min.: 1 Mult.: 1		RF Transformers	Pin Terminal Transformers	Through Hole	200 kHz to 300 MHz	25 uH, 95 uH			500 V	- 40 C	+ 85 C	Single	7.62 mm x 7.87 mm x 5.72 mm	7.62 mm	7.87 mm	5.72 mm	SWB	Tube
Audio Transformers / Signal Transformers WB SMT RF Trnsfmr Wideband 0.25W WB3-1TL Coilcraft 1: €4.73 65In Stock	Mfr. Part No. WB3-1TL Mouser Part No 994-WB3-1TL	Coilcraft	Audio Transformers / Signal Transformers WB SMT RF Trnsfmr Wideband 0.25W	Datasheet	65In Stock	€4.73 €3.74 €3.60 €3.36 View €3.19 €3.05 €3.00 €2.90 Quote	Min.: 1 Mult.: 1		RF Transformers															WB	Tube
Audio Transformers / Signal Transformers XFMR LAN 10/100/1000 BASE-T 1000B-5002FX iNRCORE 1: €43.50 3In Stock	Mfr. Part No. 1000B-5002FX Mouser Part No 673-1000B-5002FX	iNRCORE	Audio Transformers / Signal Transformers XFMR LAN 10/100/1000 BASE-T	Datasheet	3In Stock	€43.50 €38.85 €34.52 €34.08 View €33.70 €33.23 Quote	Min.: 1 Mult.: 1																	1000B	Tube
Audio Transformers / Signal Transformers FA2732 SMT Flyback For Si3401, Si3402 FA2732-ALD Coilcraft 1: €3.20 690In Stock	Mfr. Part No. FA2732-ALD Mouser Part No 994-FA2732-ALD	Coilcraft	Audio Transformers / Signal Transformers FA2732 SMT Flyback For Si3401, Si3402 Learn More about Coilcraft power magnetics	Datasheet	690In Stock	Cut Tape €3.20 €2.60 €2.49 €2.34 Reel €2.24 View €2.18 €2.08 €2.02 €1.96 MouseReel Available	Min.: 1 Mult.: 1 : 200		Flyback Transformers	Flyback	SMD/SMT	400 kHz	40 uH			1.5 kV	- 40 C	+ 85 C	Single		12.7 mm	10.5 mm	11 mm	FA2732	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers HA3994 for LT3751 15 V, -15 V 3.6 A HA3994-AL Coilcraft 1: €6.44 24In Stock	Mfr. Part No. HA3994-AL Mouser Part No 994-HA3994-AL	Coilcraft	Audio Transformers / Signal Transformers HA3994 for LT3751 15 V, -15 V 3.6 A Learn More about Coilcraft power magnetics	Datasheet	24In Stock	€6.44 €5.72 €5.49 €5.31 View €5.15 €4.83 €4.68 €4.53 €4.47	Min.: 1 Mult.: 1		Flyback Transformers	Flyback	SMD/SMT	100 kHz	7.5 uH			1.5 kV	- 40 C	+ 85 C	Single		26.75 mm	26 mm	14 mm	HA3994	Tray
Audio Transformers / Signal Transformers MA5157 Flyback For NXP SSL2103 MA5157-AL Coilcraft 1: €5.69 97In Stock	Mfr. Part No. MA5157-AL Mouser Part No 994-MA5157-AL	Coilcraft	Audio Transformers / Signal Transformers MA5157 Flyback For NXP SSL2103 Learn More about Coilcraft power magnetics	Datasheet	97In Stock	€5.69 €4.94 €4.20 €3.98 View €3.84 €3.72	Min.: 1 Mult.: 1		Flyback Transformers	Flyback	Through Hole	100 kHz	750 uH			2 kV	- 40 C	+ 85 C	Single		20.7 mm	20.5 mm	12.5 mm	MA5157	Tray
Audio Transformers / Signal Transformers NA5889 12W 0.03Ohms For TPS55340 NA5889-ALD Coilcraft 1: €5.44 112In Stock	Mfr. Part No. NA5889-ALD Mouser Part No 994-NA5889-ALD	Coilcraft	Audio Transformers / Signal Transformers NA5889 12W 0.03Ohms For TPS55340 Learn More about Coilcraft power magnetics	Datasheet	112In Stock	Cut Tape €5.44 €4.64 €4.45 €4.32 Reel €3.80 View €4.00 €3.66 €3.55 MouseReel Available	Min.: 1 Mult.: 1 : 175			Flyback	SMD/SMT	200 kHz	12 uH			1.5 kV	- 40 C	+ 85 C	Single		13.46 mm	13 mm	12.7 mm	NA5889	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Flyback PoE 23W 54uH 3.3V 3.2A POE23PR-33ED Coilcraft 1: €5.50 122In Stock	Mfr. Part No. POE23PR-33ED Mouser Part No 994-POE23PR-33ED	Coilcraft	Audio Transformers / Signal Transformers Flyback PoE 23W 54uH 3.3V 3.2A Learn More about Coilcraft flyback forward poe transformers	Datasheet	122In Stock	Cut Tape €5.50 €4.27 €4.09 €3.97 Reel €3.62 View €3.84 €3.50 €3.38 €3.36 MouseReel Available	Min.: 1 Mult.: 1 : 150		PoE Transformers	Flyback	SMD/SMT	200 kHz	54 uH				- 40 C	+ 125 C	Single		14.5 mm	13 mm	14 mm	POE21PR	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers POE300F Flyback PoE+ 30uH 19.5 V 1.5 A POE300F-19LD Coilcraft 1: €6.43 144In Stock	Mfr. Part No. POE300F-19LD Mouser Part No 994-POE300F-19LD	Coilcraft	Audio Transformers / Signal Transformers POE300F Flyback PoE+ 30uH 19.5 V 1.5 A Learn More about Coilcraft poe300f flyback transformers	Datasheet	144In Stock	Cut Tape €6.43 €5.50 €5.27 €5.11 Reel €4.50 View €4.74 €4.33 €4.21 MouseReel Available	Min.: 1 Mult.: 1 : 175		PoE Transformers	Flyback	SMD/SMT	250 kHz					- 40 C	+ 125 C	Single		21 mm	20.57 mm	11.43 mm	POE300F	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers PWB Wideband RF 1:1.5 0.07-225 MHz PWB3015LC Coilcraft 1: €2.77 225In Stock	Mfr. Part No. PWB3015LC Mouser Part No 994-PWB3015LC	Coilcraft	Audio Transformers / Signal Transformers PWB Wideband RF 1:1.5 0.07-225 MHz	Datasheet	225In Stock	Cut Tape €2.77 €2.29 Reel €1.94 €1.89 €1.81 View €1.75 €1.69 MouseReel Available	Min.: 1 Mult.: 1 : 250		RF Transformers															PWB	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WB SMT RF Trnsfmr Wideband 0.25W WB3-1TSLD Coilcraft 1: €4.27 3In Stock	Mfr. Part No. WB3-1TSLD Mouser Part No 994-WB3-1TSLD	Coilcraft	Audio Transformers / Signal Transformers WB SMT RF Trnsfmr Wideband 0.25W	Datasheet	3In Stock	Cut Tape €4.27 €3.38 €3.26 €3.24 Reel €2.76 View €2.72 €2.62 Quote MouseReel Available	Min.: 1 Mult.: 1 : 500		RF Transformers															WB	Reel, Cut Tape, MouseReel