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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 Forward PoE 72W 100uH 12V 15% POE72PR-12ED Coilcraft 1: €5.50 167In Stock	Mfr. Part No. POE72PR-12ED Mouser Part No 994-POE72PR-12ED	Coilcraft	Audio Transformers / Signal Transformers Forward PoE 72W 100uH 12V 15% Learn More about Coilcraft flyback forward poe transformers	Datasheet	167In 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		SMD/SMT	200 kHz	100 uH		- 40 C	+ 125 C	Single		14.5 mm	13 mm	14 mm	POE21PR	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers PWB Wideband RF 1:1 0.080-450 MHz PWB-1-ALC Coilcraft 1: €2.98 133In Stock	Mfr. Part No. PWB-1-ALC Mouser Part No 994-PWB-1-ALC	Coilcraft	Audio Transformers / Signal Transformers PWB Wideband RF 1:1 0.080-450 MHz	Datasheet	133In Stock	Cut Tape €2.98 €2.47 Reel €2.10 €2.04 €1.94 View €1.88 €1.82 MouseReel Available	Min.: 1 Mult.: 1 : 250	RF Transformers													PWB	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers PWB Wideband RF 1:16 0.050-80 MHz PWB-16-ALC Coilcraft 1: €4.61 149In Stock	Mfr. Part No. PWB-16-ALC Mouser Part No 994-PWB-16-ALC	Coilcraft	Audio Transformers / Signal Transformers PWB Wideband RF 1:16 0.050-80 MHz	Datasheet	149In Stock	Cut Tape €4.61 €3.66 Reel €3.10 €2.98 €2.92 View €2.83 Quote MouseReel Available	Min.: 1 Mult.: 1 : 250	RF Transformers		SMD/SMT	50 kHz to 80 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 1:1sec SWB3010-PCL Coilcraft 1: €3.53 17In Stock	Mfr. Part No. SWB3010-PCL Mouser Part No 994-SWB3010-PCL	Coilcraft	Audio Transformers / Signal Transformers Wideband RF, TH 250mA 1:1sec Learn More about Coilcraft swb transformers	Datasheet	17In Stock	€3.53 €2.87 €2.75 €2.58 View €2.49 €2.42 €2.30 €2.23 €2.16	Min.: 1 Mult.: 1	RF Transformers	Pin Terminal Transformers	Through Hole	5 kHz to 100 MHz	780 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 WB9-1L Coilcraft 1: €5.07 74In Stock	Mfr. Part No. WB9-1L Mouser Part No 994-WB9-1L	Coilcraft	Audio Transformers / Signal Transformers WB SMT RF Trnsfmr Wideband 0.25W	Datasheet	74In Stock	€5.07 €3.94 €3.78 €3.66 View €3.53 €3.35 €3.23 €3.12 €3.10	Min.: 1 Mult.: 1	RF Transformers		Through Hole	125 kHz to 125 MHz	25 uH, 225 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 1:4 0.500-1000 MHz WBC4-1WLC Coilcraft 1: €4.37 115In Stock 750Expected 16/11/2026	Mfr. Part No. WBC4-1WLC Mouser Part No 994-WBC4-1WLC	Coilcraft	Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:4 0.500-1000 MHz	Datasheet	115In Stock 750Expected 16/11/2026	Cut Tape €4.37 €3.46 €3.33 €3.10 Reel €2.78 View €2.94 €2.82 €2.68 €2.55 MouseReel Available	Min.: 1 Mult.: 1 : 750	RF Transformers		SMD/SMT	500 kHz to 1 GHz	20 uH	300 V	- 40 C	+ 85 C		4.45 mm x 4.19 mm x 3.05 mm	4.45 mm	4.19 mm	3.05 mm	WBC	Reel, Cut Tape, MouseReel
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 16In Stock	Mfr. Part No. T-1250SCTNL Mouser Part No 673-T-1250SCTNL	iNRCORE	Audio Transformers / Signal Transformers	Datasheet	16In 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 TTM Technologies BD3238N5050AHF BD3238N5050AHF TTM Technologies 1: €0.49 7,800In Stock	Mfr. Part No. BD3238N5050AHF Mouser Part No 620-BD3238N5050AHF	TTM Technologies	Audio Transformers / Signal Transformers	Datasheet	7,800In Stock	Cut Tape €0.49 €0.446 €0.417 €0.405 View Reel €0.241 €0.39 €0.378 €0.366 €0.36 €0.241	Min.: 1 Mult.: 1 : 4,000															Reel, Cut Tape
Audio Transformers / Signal Transformers 10G SMD ISOLATION MODULE HALO Electronics TG10G-E12NZ5LF TG10G-E12NZ5LF HALO Electronics 1: €8.63 447In Stock	Mfr. Part No. TG10G-E12NZ5LF Mouser Part No 493-TG10G-E12NZ5LF	HALO Electronics	Audio Transformers / Signal Transformers 10G SMD ISOLATION MODULE	Datasheet	447In Stock	€8.63 €8.23 €7.98 €7.72 View €7.25 €7.15 €6.91 Quote	Min.: 1 Mult.: 1	LAN Isolation Transformers														Tube
Audio Transformers / Signal Transformers T1/E1 ISO MOD SMD GullWing 20P Quad Ch TG05-1205NM5RL HALO Electronics 1: €8.96 276In Stock	Mfr. Part No. TG05-1205NM5RL Mouser Part No 493-TG05-1205NM5RL	HALO Electronics	Audio Transformers / Signal Transformers T1/E1 ISO MOD SMD GullWing 20P Quad Ch Learn More about HALO Electronics halo telecom transformers	Datasheet	276In Stock	€8.96 €4.24 €3.69 €3.66 View €2.88 €2.61 €2.53 €2.52 Quote	Min.: 1 Mult.: 1	Isolation Transformers	Module	SMD/SMT		1.2 mH	1.5 kV	0 C	+ 70 C	Dual, Quad	SMD-20	15.62 mm	7.11 mm	6.35 mm	SMD-T1	Tube
Audio Transformers / Signal Transformers 1000B-5001NL iNRCORE 1: €39.40 27In Stock	Mfr. Part No. 1000B-5001NL Mouser Part No 673-1000B-5001NL	iNRCORE	Audio Transformers / Signal Transformers	Datasheet	27In Stock	€39.40 €35.18 €33.63 €31.95 View €31.34 €30.65 Quote	Min.: 1 Mult.: 1		Transformer			350 uH	1500 Vrms	- 40 C	+ 85 C	1 Channel		17.78 mm	16 mm	5.97 mm		Tube
Audio Transformers / Signal Transformers 10GBASE-T Non-PoE Transformer 10GB-6014NL iNRCORE 1: €39.46 6In Stock	Mfr. Part No. 10GB-6014NL Mouser Part No 673-10GB-6014NL	iNRCORE	Audio Transformers / Signal Transformers 10GBASE-T Non-PoE Transformer Learn More about iNRCORE 10gbase t transformers	Datasheet	6In Stock	€39.46 €35.23 €31.79 €31.28 View €30.83 €30.32 Quote	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT				- 40 C	+ 125 C	Quad		13.89 mm		6.48 mm	10GBASE-T	Bulk
Audio Transformers / Signal Transformers C1495 TI LM5070 13uH 3.3 V 4.0 A C1495-ALD Coilcraft 1: €3.44 49In Stock	Mfr. Part No. C1495-ALD Mouser Part No 994-C1495-ALD	Coilcraft	Audio Transformers / Signal Transformers C1495 TI LM5070 13uH 3.3 V 4.0 A Learn More about Coilcraft power magnetics	Datasheet	49In Stock	Cut Tape €3.44 €2.80 €2.68 €2.51 Reel €2.42 View €2.35 €2.24 €2.17 €2.10 MouseReel Available	Min.: 1 Mult.: 1 : 175	Flyback Transformers	Flyback	SMD/SMT	250 kHz	127 uH	1.5 kV	- 40 C	+ 85 C			13.46 mm	13 mm	12.7 mm	C1495	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers FA2672 SMT Flyback For Si3401, Si3402 FA2672-ALD Coilcraft 1: €4.37 288In Stock 5,000On Order	Mfr. Part No. FA2672-ALD Mouser Part No 994-FA2672-ALD	Coilcraft	Audio Transformers / Signal Transformers FA2672 SMT Flyback For Si3401, Si3402 Learn More about Coilcraft power magnetics	Datasheet	288In Stock 5,000On Order On Order Ship Dates Mfr. No: FA2672-ALD Stock: 288 Can Dispatch Immediately On Order: 1,200 Expected 09/11/2026 2,400 Expected 17/11/2026 1,400 Expected 11/12/2026 Factory Lead Time: 10 Weeks	Cut Tape €4.37 €3.46 €3.33 €3.10 Reel €2.94 View €2.82 €2.78 €2.68 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	FA2672	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers HA3802 Flyback For TI TPS23753 HA3802-BLD Coilcraft 1: €5.63 2In Stock 200Expected 18/12/2026	Mfr. Part No. HA3802-BLD Mouser Part No 994-HA3802-BLD	Coilcraft	Audio Transformers / Signal Transformers HA3802 Flyback For TI TPS23753 Learn More about Coilcraft power magnetics	Datasheet	2In Stock 200Expected 18/12/2026	Cut Tape €5.63 €4.81 €4.61 €4.47 Reel €3.94 View €4.15 €3.79 €3.68 MouseReel Available	Min.: 1 Mult.: 1 : 200	Flyback Transformers	Flyback	SMD/SMT	100 kHz	150 uH	1.5 kV	- 40 C	+ 125 C	Single		17.2 mm	14.98 mm	8.51 mm	HA3802	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers POE13F Flyback PoE 13uH 5.0 V 2.6 A POE13F-50LD Coilcraft 1: €4.58 167In Stock	Mfr. Part No. POE13F-50LD Mouser Part No 994-POE13F-50LD	Coilcraft	Audio Transformers / Signal Transformers POE13F Flyback PoE 13uH 5.0 V 2.6 A Learn More about Coilcraft poexf flyback transformers	Datasheet	167In 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 POE13P Flyback PoE 127uH 24 V 0.54 A POE13P-24LD Coilcraft 1: €3.13 328In Stock 700Expected 16/11/2026	Mfr. Part No. POE13P-24LD Mouser Part No 994-POE13P-24LD	Coilcraft	Audio Transformers / Signal Transformers POE13P Flyback PoE 127uH 24 V 0.54 A Learn More about Coilcraft poexp flyback transformers	Datasheet	328In Stock 700Expected 16/11/2026	Cut Tape €3.13 €2.54 €2.44 €2.29 Reel €2.19 View €2.14 €2.04 €1.98 €1.91 MouseReel Available	Min.: 1 Mult.: 1 : 175	PoE Transformers	Flyback	SMD/SMT	250 kHz			- 40 C	+ 85 C	Single		13.46 mm	13 mm	12.7 mm	POE13P	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers PWB Wideband RF 1:4 0.15-400 MHz PWB3040LC Coilcraft 1: €2.77 239In Stock	Mfr. Part No. PWB3040LC Mouser Part No 994-PWB3040LC	Coilcraft	Audio Transformers / Signal Transformers PWB Wideband RF 1:4 0.15-400 MHz	Datasheet	239In 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		SMD/SMT	150 kHz to 400 MHz			- 40 C	+ 85 C	Single		6.77 mm	6.48 mm	4.45 mm	PWB	Reel, Cut Tape, MouseReel