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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 (CHF) 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 100Base-TX PoE+ SMD 1-Port 350/120uH HX2326FNLT Pulse Electronics 1: CHF 3.43 5’619In Stock	Mfr. Part No. HX2326FNLT Mouser Part No 673-HX2326FNLT	Pulse Electronics	Audio Transformers / Signal Transformers 100Base-TX PoE+ SMD 1-Port 350/120uH Learn More about Pulse Electronics pulse poe solutions	Datasheet	5’619In Stock	Cut Tape CHF 3.43 CHF 3.09 CHF 2.88 CHF 2.79 Reel CHF 2.57 View CHF 2.68 CHF 2.44 MouseReel Available	Min.: 1 Mult.: 1 : 600	LAN Transformers	Module	SMD/SMT	1 MHz to 125 MHz	350 uH			1.5 kV	- 40 C	+ 85 C	Single	12.7 mm x 9.09 mm x 5.99 mm	12.7 mm	9.09 mm	5.99 mm	HX2326	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers BMS Transformer/CMC,6PIN,SGL,4.3kVDC SM91542AL-E Bourns 1: CHF 2.20 1’645In Stock	Mfr. Part No. SM91542AL-E Mouser Part No 652-SM91542AL-E	Bourns	Audio Transformers / Signal Transformers BMS Transformer/CMC,6PIN,SGL,4.3kVDC Learn More about Bourns sm91542al bms transformer	Datasheet	1’645In Stock	Cut Tape CHF 2.20 CHF 1.99 CHF 1.84 CHF 1.75 View Reel CHF 1.29 CHF 1.39 CHF 1.37 CHF 1.31 CHF 1.29 MouseReel Available	Min.: 1 Mult.: 1 : 4’000	BMS Transformers		SMD/SMT		450 uH				- 40 C	+ 125 C						SM91542AL	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 2.5Gig Reinforced SMD 24P ISO MOD TGR2G-S420N24LF HALO Electronics 1: CHF 40.81 84In Stock New Product	Mfr. Part No. TGR2G-S420N24LF Mouser Part No 493-TGR2G-S420N24LF New Product	HALO Electronics	Audio Transformers / Signal Transformers 2.5Gig Reinforced SMD 24P ISO MOD		84In Stock	CHF 40.81 CHF 29.15 CHF 24.49 CHF 20.41 View CHF 16.32 CHF 13.88 Quote	Min.: 1 Mult.: 1	Ethernet Transformers	Isolated	SMD/SMT		350 uH			4000 Vrms	- 40 C	+ 85 C		SMD-24	19.05 mm	12.19 mm	11.94 mm	TGR2G
Audio Transformers / Signal Transformers 1:1 LTCC Transformer, 2150 - 3600 MHz, 50? TCW1-362+ Mini-Circuits 1: CHF 1.45 1’251In Stock	Mfr. Part No. TCW1-362+ Mouser Part No 139-TCW1-362+	Mini-Circuits	Audio Transformers / Signal Transformers 1:1 LTCC Transformer, 2150 - 3600 MHz, 50?	Datasheet	1’251In Stock	Cut Tape CHF 1.45 CHF 1.39 Reel CHF 1.38 MouseReel Available	Min.: 1 Mult.: 1 : 500	RF Transformers		SMD/SMT	2.15 GHz to 3.6 GHz					- 55 C	+ 125 C						TCW1	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers MDL, DUAL,2.5GD, 1:1, HF, SMD, T&R HB4012HLT Pulse Electronics 1: CHF 5.90 3’427In Stock	Mfr. Part No. HB4012HLT Mouser Part No 673-HB4012HLT	Pulse Electronics	Audio Transformers / Signal Transformers MDL, DUAL,2.5GD, 1:1, HF, SMD, T&R Learn More about Pulse Electronics hb hxb discrete lan transformers	Datasheet	3’427In Stock	Cut Tape CHF 5.90 CHF 5.27 CHF 5.05 CHF 4.90 Reel CHF 4.48 View CHF 4.75 CHF 4.34 CHF 4.17 CHF 3.73 MouseReel Available	Min.: 1 Mult.: 1 : 350	LAN Transformers	LAN Discrete Modules	SMD/SMT					1.5 kVrms	0 C	+ 70 C	Dual		27.8 mm	15.2 mm	7.2 mm	HB	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 5-10000 MHz MABA-011108 MACOM 1: CHF 12.31 7’702In Stock 8’000Expected 11/19/2026	Mfr. Part No. MABA-011108 Mouser Part No 937-MABA-011108	MACOM	Audio Transformers / Signal Transformers 5-10000 MHz Learn More about MACOM maba 011108 transmission line balun	Datasheet	7’702In Stock 8’000Expected 11/19/2026	Cut Tape CHF 12.31 CHF 11.10 CHF 10.50 CHF 10.46 Reel CHF 9.00 MouseReel Available	Min.: 1 Mult.: 1 : 500	Baluns		SMD/SMT	5 MHz to 10 GHz		50 Ohms			- 55 C	+ 85 C	Single	SMD-6	3.81 mm	3.81 mm	3.22 mm		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers HV Balun Adaptor for SMPTE-292M HDTV HFBL075100A iNRCORE 1: CHF 967.10 29In Stock	Mfr. Part No. HFBL075100A Mouser Part No 673-HFBL075100A	iNRCORE	Audio Transformers / Signal Transformers HV Balun Adaptor for SMPTE-292M HDTV	Datasheet	29In Stock	CHF 967.10 View Quote	Min.: 1 Mult.: 1	Baluns	Module	Connector			100 Ohms			- 55 C	+ 125 C			2.55 mm	1.16 mm	1.1 mm	HFBL	Tube
Audio Transformers / Signal Transformers Flux Coupled 1:1 Transformer 0.4-500MHz MABA-009180-500MHz MACOM 1: CHF 2.82 20’927In Stock	Mfr. Part No. MABA-009180-500MHz Mouser Part No 937-009180-500MHZ	MACOM	Audio Transformers / Signal Transformers Flux Coupled 1:1 Transformer 0.4-500MHz	Datasheet	20’927In Stock	Cut Tape CHF 2.82 CHF 2.28 CHF 2.20 CHF 2.06 View Reel CHF 1.65 CHF 1.98 CHF 1.96 CHF 1.65 MouseReel Available	Min.: 1 Mult.: 1 : 2’000	RF Transformers		SMD/SMT	400 kHz to 500 MHz					- 40 C	+ 85 C	Single		3.81 mm	3.81 mm	2.79 mm		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers XFRMR / SURF MOUNT / RoHS TTC2-63W+ Mini-Circuits 1: CHF 11.40 3’326In 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	3’326In Stock	CHF 11.40 CHF 11.39 CHF 9.98 CHF 9.29 View CHF 8.68 CHF 8.67 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 HV Balun Adaptor for SMPTE-292M HDTV HFBL075100B iNRCORE 1: CHF 1’025.15 36In Stock 50Expected 4/13/2027	Mfr. Part No. HFBL075100B Mouser Part No 673-HFBL075100B	iNRCORE	Audio Transformers / Signal Transformers HV Balun Adaptor for SMPTE-292M HDTV	Datasheet	36In Stock 50Expected 4/13/2027	CHF 1’025.15 View Quote	Min.: 1 Mult.: 1	Baluns	Module	Connector			100 Ohms			- 55 C	+ 125 C	Single					HFBL	Tube
Audio Transformers / Signal Transformers LAN XFMR 10G BASE-T (PoE+) TM7008ANL Taoglas 1: CHF 7.55 729In Stock	Mfr. Part No. TM7008ANL Mouser Part No 960-TM7008ANL	Taoglas	Audio Transformers / Signal Transformers LAN XFMR 10G BASE-T (PoE+) Learn More about Taoglas tm lan transformers	Datasheet	729In Stock	Cut Tape CHF 7.55 CHF 6.81 CHF 6.54 CHF 6.34 View Reel CHF 5.12 CHF 6.14 CHF 5.39 CHF 5.12 Quote MouseReel Available	Min.: 1 Mult.: 1 : 450	LAN Transformers	LAN Transformer	SMD/SMT		120 uH				- 40 C	+ 85 C			13.7 mm	15.2 mm	5.72 mm	Exos	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers RF XFMR / SURF MOUNT / RoHS ADTT4-1+ Mini-Circuits 1: CHF 6.05 4’076In Stock	Mfr. Part No. ADTT4-1+ Mouser Part No 139-ADTT4-1	Mini-Circuits	Audio Transformers / Signal Transformers RF XFMR / SURF MOUNT / RoHS	Datasheet	4’076In Stock	Cut Tape CHF 6.05 Reel CHF 6.05 CHF 5.92 Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 100	RF Transformers		SMD/SMT	200 kHz to 120 MHz		50 Ohms	50 Ohms		- 20 C	+ 85 C	Single	7.87 mm x 5.59 mm x 4.11 mm	7.87 mm	5.59 mm	4.11 mm	ADTT4	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers EXTMP XFMR 100BT SMG COM PBC 100B-1003XNL iNRCORE 1: CHF 19.36 1’164In Stock	Mfr. Part No. 100B-1003XNL Mouser Part No 673-100B-1003XNL	iNRCORE	Audio Transformers / Signal Transformers EXTMP XFMR 100BT SMG COM PBC	Datasheet	1’164In Stock	CHF 19.36 CHF 17.44 CHF 16.36 CHF 15.84 View CHF 15.54 CHF 15.28	Min.: 1 Mult.: 1																100B	Tube
Audio Transformers / Signal Transformers WE-LAN AQ SMD Tfrmr 10/100/1000 Base-T 749020310 Wurth Elektronik 1: CHF 5.63 7’369In Stock	Mfr. Part No. 749020310 Mouser Part No 710-749020310	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN AQ SMD Tfrmr 10/100/1000 Base-T Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	7’369In Stock	Cut Tape CHF 5.63 CHF 4.94 CHF 4.41 Reel CHF 3.81 CHF 3.09 MouseReel Available	Min.: 1 Mult.: 1 : 400	LAN Transformers	LAN	SMD/SMT	500 kHz to 100 MHz	350 uH			1.501 kVAC	- 40 C	+ 85 C	Single	17.53 mm x 14.6 mm x 4.5 mm	17.53 mm	16.51 mm	4.5 mm	WE-LANAQ	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 10/100/1000 Base-T Transformer 1 Port 749024012 Wurth Elektronik 1: CHF 17.56 1’593In Stock	Mfr. Part No. 749024012 Mouser Part No 710-749024012	Wurth Elektronik	Audio Transformers / Signal Transformers 10/100/1000 Base-T Transformer 1 Port Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	1’593In Stock	Cut Tape CHF 17.56 CHF 16.95 CHF 16.01 Reel CHF 14.31 CHF 13.42 MouseReel Available	Min.: 1 Mult.: 1 : 175	LAN Transformers	LAN	SMD/SMT		350 uH			4 kVAC	- 40 C	+ 85 C			28.57 mm	12.7 mm	12.7 mm	WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1812WBT SMT Wideband 1:1 4-200 MHz 1812WBT-3LC Coilcraft 1: CHF 2.67 3’048In Stock	Mfr. Part No. 1812WBT-3LC Mouser Part No 994-1812WBT-3LC	Coilcraft	Audio Transformers / Signal Transformers 1812WBT SMT Wideband 1:1 4-200 MHz Learn More about Coilcraft 1812WBT	Datasheet	3’048In Stock	Cut Tape CHF 2.67 CHF 2.15 CHF 2.08 CHF 1.94 Reel CHF 1.82 View CHF 1.87 CHF 1.73 CHF 1.68 CHF 1.63 MouseReel Available	Min.: 1 Mult.: 1 : 600	RF Transformers		SMD/SMT	4 MHz to 200 MHz	1.25 uH			50 V	- 40 C	+ 85 C	Single	1812 (4532 metric)	4.52 mm	3.81 mm	3.43 mm	1812WBT	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers DA2032 Cap Chrgr For Linear LT3750/51 DA2034-ALD Coilcraft 1: CHF 5.27 1’717In Stock 1’050Expected 12/7/2026	Mfr. Part No. DA2034-ALD Mouser Part No 994-DA2034-ALD	Coilcraft	Audio Transformers / Signal Transformers DA2032 Cap Chrgr For Linear LT3750/51 Learn More about Coilcraft power magnetics	Datasheet	1’717In Stock 1’050Expected 12/7/2026	Cut Tape CHF 5.27 CHF 4.50 CHF 4.31 CHF 4.18 Reel CHF 3.69 View CHF 3.88 CHF 3.55 CHF 3.44 MouseReel Available	Min.: 1 Mult.: 1 : 175	Flyback Transformers	Flyback	SMD/SMT						- 40 C	+ 125 C	Single		20.57 mm	21 mm	9.78 mm	DA2034	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers CJ5143 for NCP5080 350V 1.2A SMT CJ5143-ALC Coilcraft 1: CHF 4.78 525In Stock 29’500On Order	Mfr. Part No. CJ5143-ALC Mouser Part No 994-CJ5143-ALC	Coilcraft	Audio Transformers / Signal Transformers CJ5143 for NCP5080 350V 1.2A SMT Learn More about Coilcraft power magnetics	Datasheet	525In Stock 29’500On Order On Order Ship Dates Mfr. No: CJ5143-ALC Stock: 525 Can Dispatch Immediately On Order: 7’250 Expected 11/23/2026 13’000 Expected 1/8/2027 9’250 Expected 1/15/2027 Factory Lead Time: 10 Weeks	Cut Tape CHF 4.78 CHF 3.72 Reel CHF 3.16 CHF 3.05 CHF 2.96 CHF 2.94 MouseReel Available	Min.: 1 Mult.: 1 : 250	Flyback Transformers	Flyback	SMD/SMT	100 kHz	15 uH			1 kV	- 40 C	+ 125 C	Single		6.8 mm	6.2 mm	4.6 mm	CJ5143	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers DA2257 PoE Trnsfmr For TI LM5071/72 DA2257-ALD Coilcraft 1: CHF 4.20 2’383In Stock	Mfr. Part No. DA2257-ALD Mouser Part No 994-DA2257-ALD	Coilcraft	Audio Transformers / Signal Transformers DA2257 PoE Trnsfmr For TI LM5071/72 Learn More about Coilcraft power magnetics	Datasheet	2’383In Stock	Cut Tape CHF 4.20 CHF 3.32 CHF 3.20 CHF 2.99 Reel CHF 2.84 View CHF 2.71 CHF 2.67 CHF 2.57 Quote MouseReel Available	Min.: 1 Mult.: 1 : 175	PoE Transformers	Flyback	SMD/SMT	250 kHz	35 uH			2 kV	- 40 C	+ 85 C	Single		13.46 mm	13 mm	12.7 mm	DA2257	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers PWB Wideband RF 1:16 0.075-90 MHz PWB-16-BLC Coilcraft 1: CHF 5.74 1’423In Stock	Mfr. Part No. PWB-16-BLC Mouser Part No 994-PWB-16-BLC	Coilcraft	Audio Transformers / Signal Transformers PWB Wideband RF 1:16 0.075-90 MHz	Datasheet	1’423In Stock	Cut Tape CHF 5.74 CHF 4.90 CHF 4.72 Reel CHF 4.01 CHF 3.87 CHF 3.75 MouseReel Available	Min.: 1 Mult.: 1 : 250	RF Transformers															PWB	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:4 0.250-800 MHz WBC4-4LC Coilcraft 1: CHF 4.31 1’361In Stock	Mfr. Part No. WBC4-4LC Mouser Part No 994-WBC4-4LC	Coilcraft	Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:4 0.250-800 MHz	Datasheet	1’361In Stock	Cut Tape CHF 4.31 CHF 4.27 CHF 3.54 Reel CHF 3.06 CHF 3.00 Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 750	RF Transformers		SMD/SMT	250 kHz to 800 MHz					- 40 C	+ 85 C			4.45 mm	4.19 mm	3.05 mm	WBC	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers PoE Plus 850uH DCR=0.24mOhms 1.9A HPX2126LD Coilcraft 1: CHF 8.26 532In Stock	Mfr. Part No. HPX2126LD Mouser Part No 994-HPX2126LD	Coilcraft	Audio Transformers / Signal Transformers PoE Plus 850uH DCR=0.24mOhms 1.9A Learn More about Coilcraft high power poe single path magnetics	Datasheet	532In Stock	Cut Tape CHF 8.26 CHF 7.30 CHF 6.95 CHF 6.82 Reel CHF 6.35 View CHF 6.62 CHF 6.13 CHF 5.94 MouseReel Available	Min.: 1 Mult.: 1 : 300	PoE Transformers	Isolated	SMD/SMT	100 kHz	850 uH			1.5 kV	- 40 C	+ 85 C	Single		15.75 mm	14.22 mm	10.8 mm	HPX2126L	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers POE70P Flyback 7uH 5.0 V 1.4 A POE70P-50LD Coilcraft 1: CHF 3.56 1’748In Stock	Mfr. Part No. POE70P-50LD Mouser Part No 994-POE70P-50LD	Coilcraft	Audio Transformers / Signal Transformers POE70P Flyback 7uH 5.0 V 1.4 A Learn More about Coilcraft poexp flyback transformers	Datasheet	1’748In Stock	Cut Tape CHF 3.56 CHF 2.81 CHF 2.71 CHF 2.53 Reel CHF 2.40 View CHF 2.29 CHF 2.26 CHF 2.18 CHF 2.08 MouseReel Available	Min.: 1 Mult.: 1 : 200	PoE Transformers	Flyback	SMD/SMT	250 kHz					- 40 C	+ 85 C	Single		12.7 mm	10.5 mm	11 mm	POE70P	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 100B-1001FX iNRCORE 1: CHF 25.27 86In Stock	Mfr. Part No. 100B-1001FX Mouser Part No 673-100B-1001FX	iNRCORE	Audio Transformers / Signal Transformers	Datasheet	86In Stock	CHF 25.27 CHF 22.52 CHF 21.52 CHF 21.23 View CHF 19.27 CHF 19.15 Quote	Min.: 1 Mult.: 1								1500 Vrms	- 55 C	+ 125 C							Tube
Audio Transformers / Signal Transformers FA2805 SMT Flyback For Si341, Si3402 FA2805-CLD Coilcraft 1: CHF 4.17 1’881In Stock 875Expected 11/23/2026	Mfr. Part No. FA2805-CLD Mouser Part No 994-FA2805-CLD	Coilcraft	Audio Transformers / Signal Transformers FA2805 SMT Flyback For Si341, Si3402 Learn More about Coilcraft power magnetics	Datasheet	1’881In Stock 875Expected 11/23/2026	Cut Tape CHF 4.17 CHF 3.30 CHF 3.19 CHF 2.97 Reel CHF 2.82 View CHF 2.70 CHF 2.66 CHF 2.56 Quote MouseReel Available	Min.: 1 Mult.: 1 : 175	Flyback Transformers	Flyback	SMD/SMT	200 kHz	40 uH			1.5 kV	- 40 C	+ 85 C	Single		13.46 mm	13 mm	12.7 mm	FA2805	Reel, Cut Tape, MouseReel