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SMD/SMT Audio Transformers / Signal Transformers

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) 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 2.5Gig Reinforced SMD 24P ISO MOD TGR2G-S420N24LF HALO Electronics 1: $40.37 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	$40.37 $28.83 $24.22 $20.19 View $16.15 $13.73 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 PWB Wideband RF 1:1 0.0035-125 MHz PWB2010LC Coilcraft 1: $6.50 7,055In Stock	Mfr. Part No. PWB2010LC Mouser Part No 994-PWB2010LC	Coilcraft	Audio Transformers / Signal Transformers PWB Wideband RF 1:1 0.0035-125 MHz	Datasheet	7,055In Stock	Cut Tape $6.50 $5.05 Reel $4.29 $4.15 $4.01 $3.99 MouseReel Available	Min.: 1 Mult.: 1 : 250	RF Transformers		SMD/SMT	3.5 kHz to 125 MHz	780 uH, 780 uH			300 V	- 40 C	+ 85 C	Dual		6.77 mm	6.48 mm	4.45 mm	PWB	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers BMS Transformer/CMC,6PIN,SGL,4.3kVDC SM91542AL-E Bourns 1: $2.73 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 $2.73 $2.48 $2.31 $2.19 View Reel $1.60 $1.73 $1.70 $1.63 $1.60 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 100Base-TX PoE+ SMD 1-Port 350/120uH HX2326FNLT Pulse Electronics 1: $4.25 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 $4.25 $3.84 $3.58 $3.31 Reel $3.04 View $3.18 $2.90 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 MDL, DUAL,2.5GD, 1:1, HF, SMD, T&R HB4012HLT Pulse Electronics 1: $7.32 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 $7.32 $6.55 $6.28 $6.09 Reel $5.57 View $5.90 $5.40 $5.17 $4.63 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: $15.29 7,768In Stock 8,000Expected 21/12/2026	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	7,768In Stock 8,000Expected 21/12/2026	Cut Tape $15.29 $13.79 $13.05 $13.00 Reel $11.19 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 1:1 LTCC Transformer, 2150 - 3600 MHz, 50? TCW1-362+ Mini-Circuits Restricted Availability	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? Mouser does not presently sell this product in your region.	Datasheet			Restricted Availability	RF Transformers		SMD/SMT	2.15 GHz to 3.6 GHz					- 55 C	+ 125 C						TCW1	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Flux Coupled 1:1 Transformer 0.4-500MHz MABA-009180-500MHz MACOM 1: $3.50 21,011In 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	21,011In Stock	Cut Tape $3.50 $2.84 $2.73 $2.56 View Reel $2.05 $2.46 $2.43 $2.05 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 LAN XFMR 10G BASE-T (PoE+) TM7008ANL Taoglas 1: $9.38 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 $9.38 $8.47 $8.13 $7.87 View Reel $6.42 $7.63 $6.70 $6.42 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 10/100/1000 Base-T Transformer 1 Port 749024012 Wurth Elektronik 1: $21.81 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 $21.81 $21.06 $19.89 Reel $17.78 $16.67 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 WE-LAN AQ SMD Tfrmr 10/100/1000 Base-T 749020310 Wurth Elektronik 1: $7.00 7,399In 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	7,399In Stock	Cut Tape $7.00 $6.14 $5.48 Reel $4.73 $3.84 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 RF XFMR / SURF MOUNT / RoHS ADTT4-1+ Mini-Circuits Restricted Availability	Mfr. Part No. ADTT4-1+ Mouser Part No 139-ADTT4-1	Mini-Circuits	Audio Transformers / Signal Transformers RF XFMR / SURF MOUNT / RoHS Mouser does not presently sell this product in your region.	Datasheet			Restricted Availability	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 CJ5143 for NCP5080 350V 1.2A SMT CJ5143-ALC Coilcraft 1: $5.94 550In Stock 16,500On 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	550In Stock 16,500On Order On Order Ship Dates Mfr. No: CJ5143-ALC Stock: 550 Can Dispatch Immediately On Order: 7,250 Expected 23/11/2026 9,250 Expected 15/01/2027 Factory Lead Time: 10 Weeks	Cut Tape $5.94 $4.62 Reel $3.93 $3.79 $3.67 $3.65 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 1812WBT SMT Wideband 1:1 4-200 MHz 1812WBT-3LC Coilcraft 1: $3.31 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 $3.31 $2.68 $2.58 $2.41 Reel $2.26 View $2.32 $2.15 $2.09 $2.02 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: $6.55 1,749In Stock 1,050Expected 07/12/2026	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	1,749In Stock 1,050Expected 07/12/2026	Cut Tape $6.55 $5.59 $5.36 $5.20 Reel $4.58 View $4.82 $4.41 $4.28 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 DA2257 PoE Trnsfmr For TI LM5071/72 DA2257-ALD Coilcraft 1: $5.22 2,613In 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	2,613In Stock	Cut Tape $5.22 $4.13 $3.98 $3.71 Reel $3.52 View $3.37 $3.31 $3.20 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 WBC SMT Mini Wdebnd 1:4 0.250-800 MHz WBC4-4LC Coilcraft 1: $5.36 611In Stock 750Expected 09/11/2026	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	611In Stock 750Expected 09/11/2026	Cut Tape $5.36 $5.30 $4.40 Reel $3.80 $3.73 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 FA2805 SMT Flyback For Si341, Si3402 FA2805-CLD Coilcraft 1: $5.19 1,356In Stock 1,400Expected 23/11/2026	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	1,356In Stock 1,400Expected 23/11/2026	Cut Tape $5.19 $4.11 $3.96 $3.69 Reel $3.50 View $3.35 $3.30 $3.19 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
Audio Transformers / Signal Transformers POE300F Flyback PoE+ 30uH 5.0 V 6 A POE300F-50LD Coilcraft 1: $7.48 464In Stock	Mfr. Part No. POE300F-50LD Mouser Part No 994-POE300F-50LD	Coilcraft	Audio Transformers / Signal Transformers POE300F Flyback PoE+ 30uH 5.0 V 6 A Learn More about Coilcraft poe300f flyback transformers	Datasheet	464In Stock	Cut Tape $7.48 $6.39 $6.13 $5.94 Reel $5.23 View $5.51 $5.04 $4.89 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 WBC SMT Mini Wdebnd 1:9 0.300-500 MHz WBC9-1LC Coilcraft 1: $6.61 533In Stock	Mfr. Part No. WBC9-1LC Mouser Part No 994-WBC9-1LC	Coilcraft	Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:9 0.300-500 MHz	Datasheet	533In Stock	Cut Tape $6.61 $5.64 $4.82 Reel $4.36 $4.34 MouseReel Available	Min.: 1 Mult.: 1 : 750	RF Transformers		SMD/SMT	300 kHz to 500 MHz	81 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 Flyback PoE 24W 21uH 12V 6.3A POE24PR-12ED Coilcraft 1: $6.39 1,275In Stock 450Expected 23/11/2026	Mfr. Part No. POE24PR-12ED Mouser Part No 994-POE24PR-12ED	Coilcraft	Audio Transformers / Signal Transformers Flyback PoE 24W 21uH 12V 6.3A Learn More about Coilcraft flyback forward poe transformers	Datasheet	1,275In Stock 450Expected 23/11/2026	Cut Tape $6.39 $4.96 $4.76 $4.62 Reel $4.21 View $4.46 $4.07 $3.93 $3.91 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 DA2033 Cap Chrgr For Linear LT3750/51 DA2033-ALD Coilcraft 1: $6.95 2,605In Stock 1,000Expected 09/11/2026	Mfr. Part No. DA2033-ALD Mouser Part No 994-DA2033-ALD	Coilcraft	Audio Transformers / Signal Transformers DA2033 Cap Chrgr For Linear LT3750/51 Learn More about Coilcraft power magnetics	Datasheet	2,605In Stock 1,000Expected 09/11/2026	Cut Tape $6.95 $5.93 $5.70 $5.52 Reel $4.86 View $5.12 $4.68 $4.54 MouseReel Available	Min.: 1 Mult.: 1 : 200	Flyback Transformers	Flyback	SMD/SMT	100 kHz	10 uH			1.5 kV	- 40 C	+ 125 C			18 mm	17 mm	9.78 mm	DA2033	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers PoE Plus 850uH DCR=0.24mOhms 1.9A HPX2126LD Coilcraft 1: $10.26 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 $10.26 $9.07 $8.64 $8.48 Reel $7.88 View $8.22 $7.62 $7.38 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: $4.42 1,948In 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	1,948In Stock	Cut Tape $4.42 $3.49 $3.37 $3.14 Reel $2.98 View $2.85 $2.80 $2.71 Quote 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 FA2732 SMT Flyback For Si3401, Si3402 FA2732-ALD Coilcraft 1: $3.72 940In 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	940In Stock	Cut Tape $3.72 $3.02 $2.90 $2.72 Reel $2.61 View $2.54 $2.42 $2.35 $2.28 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