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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	Isolation Voltage	Minimum Operating Temperature	Maximum Operating Temperature	Number of Channels	Package/Case	Length	Width	Height	Series	Packaging
Audio Transformers / Signal Transformers Wideband RF, SMD 250mA 1:1sec SWB1010-1-SMLD Coilcraft 1: 3,20 € 156In Stock 500Expected 08/01/2027	Mfr. Part No. SWB1010-1-SMLD Mouser Part No 994-SWB1010-1-SMLD	Coilcraft	Audio Transformers / Signal Transformers Wideband RF, SMD 250mA 1:1sec Learn More about Coilcraft swb transformers	Datasheet	156In Stock 500Expected 08/01/2027	Cut Tape 3,20 € 2,60 € 2,57 € Reel 2,18 € 2,08 € View 2,02 € 1,96 € MouseReel Available	Min.: 1 Mult.: 1 : 500	RF Transformers		SMD/SMT	40 kHz to 175 MHz	95 uH	500 V	- 40 C	+ 85 C	Single	13.21 mm x 7.87 mm x 5.72 mm	13.21 mm	7.87 mm	5.72 mm	SWB	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WB SMT RF Trnsfmr Wideband 0.25W WB1-1L Coilcraft 1: 4,70 € 26In Stock 70Expected 31/12/2026	Mfr. Part No. WB1-1L Mouser Part No 994-WB1-1L	Coilcraft	Audio Transformers / Signal Transformers WB SMT RF Trnsfmr Wideband 0.25W	Datasheet	26In Stock 70Expected 31/12/2026	4,70 € 3,72 € 3,59 € 3,35 € View 3,17 € 3,04 € 2,98 € 2,89 € Quote	Min.: 1 Mult.: 1	RF Transformers	Pin Terminal Transformers	Through Hole	150 kHz to 500 MHz	27 uH, 27 uH	500 V	- 40 C	+ 85 C	Single		8.26 mm	7.24 mm	5.72 mm	WB	Tube
Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:8 0.150-600 MHz WBC8-1LC Coilcraft 1: 5,09 € 18In Stock 750Expected 11/12/2026	Mfr. Part No. WBC8-1LC Mouser Part No 994-WBC8-1LC	Coilcraft	Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:8 0.150-600 MHz	Datasheet	18In Stock 750Expected 11/12/2026	Cut Tape 5,09 € 3,96 € 3,79 € 3,68 € Reel 3,14 € View 3,55 € 3,36 € 3,25 € 3,12 € MouseReel Available	Min.: 1 Mult.: 1 : 750	RF Transformers													WBC	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Y8844 For NCP1201 3.5uH 6.5 V 0.54 A Y8844-AL Coilcraft 1: 9,30 € 16In Stock	Mfr. Part No. Y8844-AL Mouser Part No 994-Y8844-AL	Coilcraft	Audio Transformers / Signal Transformers Y8844 For NCP1201 3.5uH 6.5 V 0.54 A Learn More about Coilcraft power magnetics	Datasheet	16In Stock	9,30 € 8,22 € 7,83 € 7,68 € View 7,44 € 7,14 € 6,91 € 6,70 €	Min.: 1 Mult.: 1		Flyback	Through Hole		80 uH	1.5 kV	- 40 C	+ 85 C		18.3 mm x 20.1 mm x 14 mm	20.1 mm	18.3 mm	14 mm	Y8844	Tray
Audio Transformers / Signal Transformers FIBRE CH ISO MOD SMD Dual Core 531.25MHz TG01-FC07N1RL HALO Electronics 1: 9,99 € 399In Stock	Mfr. Part No. TG01-FC07N1RL Mouser Part No 493-TG01-FC07N1RL	HALO Electronics	Audio Transformers / Signal Transformers FIBRE CH ISO MOD SMD Dual Core 531.25MHz Learn More about HALO Electronics halo ethernet transformers	Datasheet	399In Stock	9,99 € 6,45 € 5,26 € 4,26 € View 3,57 € 3,08 € 2,94 € 2,86 €	Min.: 1 Mult.: 1	LAN Isolation Transformers	Module	SMD/SMT		7.5 uH	1.5 kV			Single	SMD-16	12.7 mm	7.11 mm	5.08 mm	SMD-FIBRE	Tube
Audio Transformers / Signal Transformers T-1250SCTNL iNRCORE 1: 68,22 € 21In Stock	Mfr. Part No. T-1250SCTNL Mouser Part No 673-T-1250SCTNL	iNRCORE	Audio Transformers / Signal Transformers	Datasheet	21In Stock	68,22 € 61,01 € 56,00 € 55,19 € View 54,42 € Quote	Min.: 1 Mult.: 1		High Speed	SMD/SMT		3.75 uH		- 55 C	+ 125 C	2 Channel		12.7 mm	11.05 mm	4.57 mm		Tube
Audio Transformers / Signal Transformers NA5730 SMT Flyback For TI TPS23751/2 NA5730-ALD Coilcraft 1: 5,99 € 46In Stock	Mfr. Part No. NA5730-ALD Mouser Part No 994-NA5730-ALD	Coilcraft	Audio Transformers / Signal Transformers NA5730 SMT Flyback For TI TPS23751/2 Learn More about Coilcraft power magnetics	Datasheet	46In Stock	Cut Tape 5,99 € 5,13 € 4,92 € 4,76 € Reel 4,20 € View 4,42 € 4,04 € 3,92 € MouseReel Available	Min.: 1 Mult.: 1 : 175	Flyback Transformers	Flyback	SMD/SMT	250 kHz			- 40 C	+ 125 C	Single		21 mm	20.57 mm	11.43 mm	NA5730	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Flyback PoE 21W 21uH 3.3V 6.2A POE21PR-33ED Coilcraft 1: 5,50 € 55In Stock	Mfr. Part No. POE21PR-33ED Mouser Part No 994-POE21PR-33ED	Coilcraft	Audio Transformers / Signal Transformers Flyback PoE 21W 21uH 3.3V 6.2A Learn More about Coilcraft flyback forward poe transformers	Datasheet	55In 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	21 uH		- 40 C	+ 125 C	Single		14.5 mm	13 mm	14 mm	POE21PR	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers POE30P Flyback PoE 3uH 3.3 V 0.91 A POE30P-33LD Coilcraft 1: 3,20 € 127In Stock 700On Order	Mfr. Part No. POE30P-33LD Mouser Part No 994-POE30P-33LD	Coilcraft	Audio Transformers / Signal Transformers POE30P Flyback PoE 3uH 3.3 V 0.91 A Learn More about Coilcraft poexp flyback transformers	Datasheet	127In Stock 700On Order	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 : 350	PoE Transformers	Flyback	SMD/SMT	250 kHz			- 40 C	+ 85 C	Single		10.92 mm	8.6 mm	9.02 mm	POE30P	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers PWB Wideband RF 1:2 0.130-285 MHz PWB-2-CLC Coilcraft 1: 4,68 € 301In Stock 500Expected 08/01/2027	Mfr. Part No. PWB-2-CLC Mouser Part No 994-PWB-2-CLC	Coilcraft	Audio Transformers / Signal Transformers PWB Wideband RF 1:2 0.130-285 MHz	Datasheet	301In Stock 500Expected 08/01/2027	Cut Tape 4,68 € 3,71 € Reel 3,16 € 3,02 € 2,98 € View 2,87 € Quote MouseReel Available	Min.: 1 Mult.: 1 : 250	RF Transformers		SMD/SMT	130 kHz to 285 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, SMD 250mA 1:1sec SWB3010-SMLD Coilcraft 1: 3,53 € 1In Stock 500Expected 18/12/2026	Mfr. Part No. SWB3010-SMLD Mouser Part No 994-SWB3010-SMLD	Coilcraft	Audio Transformers / Signal Transformers Wideband RF, SMD 250mA 1:1sec Learn More about Coilcraft swb transformers	Datasheet	1In Stock 500Expected 18/12/2026	Cut Tape 3,53 € 2,87 € 2,84 € Reel 2,42 € 2,30 € View 2,23 € 2,16 € MouseReel Available	Min.: 1 Mult.: 1 : 500	RF Transformers		SMD/SMT	5 kHz to 100 MHz	780 uH	500 V	- 40 C	+ 85 C	Single	13.21 mm x 7.87 mm x 5.72 mm	13.21 mm	7.87 mm	5.72 mm	SWB	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WB SMT RF Trnsfmr Wideband 0.25W WB4-1HL Coilcraft 1: 4,33 € 43In Stock	Mfr. Part No. WB4-1HL Mouser Part No 994-WB4-1HL	Coilcraft	Audio Transformers / Signal Transformers WB SMT RF Trnsfmr Wideband 0.25W	Datasheet	43In Stock	4,33 € 3,41 € 3,29 € 3,07 € View 2,92 € 2,80 € 2,74 € 2,65 € 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 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
Audio Transformers / Signal Transformers Z9007 For NCP1200 67uH 16 V 4.2 A Z9007-BL Coilcraft 1: 14,69 € 11In Stock	Mfr. Part No. Z9007-BL Mouser Part No 994-Z9007-BL	Coilcraft	Audio Transformers / Signal Transformers Z9007 For NCP1200 67uH 16 V 4.2 A Learn More about Coilcraft power magnetics	Datasheet	11In Stock	14,69 € 12,50 € 12,25 € 11,80 € View 11,23 € 10,90 €	Min.: 1 Mult.: 1		Flyback	Through Hole		16 uH	1.5 kV	- 40 C	+ 85 C		36.8 mm x 36.8 mm x 29.7 mm	36.8 mm	36.8 mm	29.7 mm	Z9007	Tray
Audio Transformers / Signal Transformers 10/100Base-TX SMD Non-PoE 1-Port Pulse Electronics H1086NLT H1086NLT Pulse Electronics 1: 5,56 € 890In Stock	Mfr. Part No. H1086NLT Mouser Part No 673-H1086NLT	Pulse Electronics	Audio Transformers / Signal Transformers 10/100Base-TX SMD Non-PoE 1-Port	Datasheet	890In Stock	Cut Tape 5,56 € 5,01 € 4,82 € 4,67 € Reel 4,29 € View 4,52 € 3,77 € 3,45 € MouseReel Available	Min.: 1 Mult.: 1 : 300	LAN Transformers	Module	SMD/SMT	1 MHz to 100 MHz	350 uH	1.5 kV	0 C	+ 70 C	Single		25.4 mm	9.91 mm	6.22 mm		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 10-1000MHz 75Ohm 1:1 SMD RF Xfmr Pulse Electronics CX2024NL CX2024NL Pulse Electronics 1: 3,04 € 1 000In Stock	Mfr. Part No. CX2024NL Mouser Part No 673-CX2024NL	Pulse Electronics	Audio Transformers / Signal Transformers 10-1000MHz 75Ohm 1:1 SMD RF Xfmr	Datasheet	1 000In Stock	3,04 € 2,76 € 2,57 € 2,49 € View 2,37 € 1,79 €	Min.: 1 Mult.: 1	RF Transformers	Module	SMD/SMT	50 MHz to 1 GHz			0 C	+ 70 C	Dual		27.813 mm	15.367 mm	7.239 mm	CX	Tray
Audio Transformers / Signal Transformers SMD Isolation Xfmr 100uH .3Ohms 1-Port Pulse Electronics PE-65728NLT PE-65728NLT Pulse Electronics 1: 3,83 € 1 327In Stock	Mfr. Part No. PE-65728NLT Mouser Part No 673-PE-65728NLT	Pulse Electronics	Audio Transformers / Signal Transformers SMD Isolation Xfmr 100uH .3Ohms 1-Port	Datasheet	1 327In Stock	Cut Tape 3,83 € 3,47 € 3,23 € 2,59 € Reel 2,46 € View 2,49 € 2,47 € 2,15 € MouseReel Available	Min.: 1 Mult.: 1 : 850	Telecom Transformers	Module	SMD/SMT			1.5 kV	0 C	+ 70 C	Single		0.495 in	0.28 in	0.2 in		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH 4-Port Pulse Electronics T1142NL T1142NL Pulse Electronics 1: 9,50 € 325In Stock	Mfr. Part No. T1142NL Mouser Part No 673-T1142NL	Pulse Electronics	Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH 4-Port	Datasheet	325In Stock	9,50 € 8,44 € 8,11 € 7,82 € View 6,69 € 6,26 € 6,25 €	Min.: 1 Mult.: 1	ISDN Transformers	Module	SMD/SMT			1.5 kV	0 C	+ 70 C	Octal		28.58 mm	16.26 mm	5.84 mm		Tube