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Unshielded Audio & 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.	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 SMD T3/DS3/E3/STS-1 19uH 1-Port PE-65968NLT Pulse Electronics 1: $6.61 764In Stock	Mfr. Part No. PE-65968NLT Mouser Part No 673-PE-65968NLT	Pulse Electronics	Audio Transformers / Signal Transformers SMD T3/DS3/E3/STS-1 19uH 1-Port	Datasheet	764In Stock	Cut Tape $6.61 $6.37 $6.12 $5.93 Reel $5.27 View $5.74 $5.45 $4.50 $4.48 MouseReel Available	Min.: 1 Mult.: 1 : 500		Telecom Transformers	Module	SMD/SMT	250 kHz to 500 MHz	60 nH			1.5 kV	0 C	+ 70 C	Single		7.62 mm	9.91 mm	6.35 mm		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers THT CommonMode Choke 140uH .6Ohms PE-67531NL Pulse Electronics 1: $5.58 1,033In Stock	Mfr. Part No. PE-67531NL Mouser Part No 673-PE-67531NL	Pulse Electronics	Audio Transformers / Signal Transformers THT CommonMode Choke 140uH .6Ohms	Datasheet	1,033In Stock	$5.58 $4.59 $4.25 $4.00 View $3.77 $3.51	Min.: 1 Mult.: 1		Telecom Transformers	Module	Through Hole					500 V	0 C	+ 70 C	Single		10.16 mm				Tube
Audio Transformers / Signal Transformers 100Base-T SMD NonPoE .6Ohms 1-Port PE-68515LNL Pulse Electronics 1: $7.34 385In Stock	Mfr. Part No. PE-68515LNL Mouser Part No 673-PE-68515LNL	Pulse Electronics	Audio Transformers / Signal Transformers 100Base-T SMD NonPoE .6Ohms 1-Port	Datasheet	385In Stock	$7.34 $5.95 $5.77 $5.67 View $5.46 $5.33 $4.68	Min.: 1 Mult.: 1		LAN Transformers	Module	SMD/SMT	100 kHz to 100 MHz		100 Ohms		1.5 kV	0 C	+ 70 C	Single		25.4 mm	8.89 mm	9.4 mm		Tube
Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH .7Ohms 2-Por PE-68678NL Pulse Electronics 1: $5.78 818In Stock	Mfr. Part No. PE-68678NL Mouser Part No 673-PE-68678NL	Pulse Electronics	Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH .7Ohms 2-Por Learn More about Pulse Electronics pulsetelecom	Datasheet	818In Stock	$5.78 $5.23 $4.91 $4.75 View $4.66 $4.48 $4.02 $3.90 $3.59	Min.: 1 Mult.: 1		ISDN Transformers	Module	SMD/SMT	1 MHz to 100 MHz				1.5 kV	0 C	+ 70 C	Dual		12.83 mm	7.11 mm	6.22 mm		Tube
Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH .7Ohms 2-Port PE-68678NLT Pulse Electronics 1: $5.60 789In Stock	Mfr. Part No. PE-68678NLT Mouser Part No 673-PE-68678NLT	Pulse Electronics	Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH .7Ohms 2-Port	Datasheet	789In Stock	Cut Tape $5.60 $5.23 $5.02 $4.86 Reel $4.34 View $4.68 $4.44 $4.11 $3.62 MouseReel Available	Min.: 1 Mult.: 1 : 600		ISDN Transformers	Module	SMD/SMT	1 MHz to 100 MHz	600 nH			1.5 kV	0 C	+ 70 C	Dual		12.83 mm	7.11 mm	6.22 mm		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH .7Ohm 2-Port T1094NL Pulse Electronics 1: $5.78 550In Stock	Mfr. Part No. T1094NL Mouser Part No 673-T1094NL	Pulse Electronics	Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH .7Ohm 2-Port	Datasheet	550In Stock	$5.78 $5.23 $4.91 $4.75 View $4.66 $4.45 $4.36 $3.79 $3.76	Min.: 1 Mult.: 1		ISDN Transformers	Module	SMD/SMT		1.2 mH, 1.2 mH	1 Ohms, 1 Ohms	1 Ohms, 2 Ohms	1.5 kV	- 40 C	+ 85 C	Dual		12.83 mm	7.11 mm	6.22 mm		Tube
Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1000uH 2Ohms 2-Port T1144NL Pulse Electronics 1: $5.78 891In Stock	Mfr. Part No. T1144NL Mouser Part No 673-T1144NL	Pulse Electronics	Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1000uH 2Ohms 2-Port	Datasheet	891In Stock	$5.78 $5.23 $4.91 $4.75 View $4.66 $4.45 $4.36 $3.76 $3.73	Min.: 1 Mult.: 1		ISDN Transformers	Module	SMD/SMT	50 kHz to 3 MHz	800 nH			1.5 kV	0 C	+ 70 C	Dual		12.83 mm	9.53 mm	6.22 mm		Tube
Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH .7Ohms 2-Por TX1089NL Pulse Electronics 1: $5.78 447In Stock	Mfr. Part No. TX1089NL Mouser Part No 673-TX1089NL	Pulse Electronics	Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH .7Ohms 2-Por	Datasheet	447In Stock	$5.78 $5.23 $4.91 $4.75 View $4.66 $4.43 $4.36 $3.62 $3.59	Min.: 1 Mult.: 1		ISDN Transformers	Module	SMD/SMT		1.2 mH, 1.2 mH	1 Ohms		1.5 kV	- 40 C	+ 85 C	Dual		12.83 mm	7.11 mm	6.22 mm		Tube
Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH .7Ohms 2-Port TX1089NLT Pulse Electronics 1: $5.78 400In Stock	Mfr. Part No. TX1089NLT Mouser Part No 673-TX1089NL673-T	Pulse Electronics	Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH .7Ohms 2-Port	Datasheet	400In Stock	Cut Tape $5.78 $5.23 $5.02 $4.80 Reel $3.86 View $4.61 $3.71 $3.66 MouseReel Available	Min.: 1 Mult.: 1 : 600		ISDN Transformers	Module	SMD/SMT			700 mOhms, 700 mOhms		1.5 kV	- 40 C	+ 85 C	Dual		12.83 mm	7.11 mm	6.22 mm		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH .8Ohms 1-Por TX1315NL Pulse Electronics 1: $5.39 543In Stock	Mfr. Part No. TX1315NL Mouser Part No 673-TX1315NL	Pulse Electronics	Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH .8Ohms 1-Por	Datasheet	543In Stock	$5.39 $4.88 $4.68 $4.38 View $4.25 $4.17 $4.05 $3.62 $3.60	Min.: 1 Mult.: 1		ISDN Transformers	Module	SMD/SMT		1.2 mH	1 Ohms		1.5 kV	- 40 C	+ 85 C	Single		7.62 mm	7 mm	6.35 mm		Tube
Audio Transformers / Signal Transformers GA3459 for LT3751 500V 20A GA3459-BL Coilcraft 1: $9.91 2,132In Stock	Mfr. Part No. GA3459-BL Mouser Part No 994-GA3459-BL	Coilcraft	Audio Transformers / Signal Transformers GA3459 for LT3751 500V 20A Learn More about Coilcraft power magnetics	Datasheet	2,132In Stock	$9.91 $8.76 $8.35 $8.19 View $7.94 $7.61 $7.37 $7.14	Min.: 1 Mult.: 1		Flyback Transformers	Flyback	SMD/SMT	50 kHz	5 uH			1.5 kV	- 40 C	+ 125 C	Single		26.75 mm	26 mm	14 mm	GA3459	Tray
Audio Transformers / Signal Transformers Wideband RF, SMD 250mA 1:1sec SWB1010-SMLD Coilcraft 1: $4.11 2,291In Stock 2,000Expected 20/11/2026	Mfr. Part No. SWB1010-SMLD Mouser Part No 994-SWB1010-SMLD	Coilcraft	Audio Transformers / Signal Transformers Wideband RF, SMD 250mA 1:1sec Learn More about Coilcraft swb transformers	Datasheet	2,291In Stock 2,000Expected 20/11/2026	Cut Tape $4.11 $3.34 $3.30 Reel $2.81 $2.68 View $2.59 Quote 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 WBC SMT Mini Wdebnd 1:2 0.200-500 MHz WBC2-1TLC Coilcraft 1: $5.78 1,643In Stock 5,250Expected 20/11/2026	Mfr. Part No. WBC2-1TLC Mouser Part No 994-WBC2-1TLC	Coilcraft	Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:2 0.200-500 MHz	Datasheet	1,643In Stock 5,250Expected 20/11/2026	Cut Tape $5.78 $5.36 $5.25 $5.17 Reel $4.41 View $5.08 $4.58 $4.50 $4.40 MouseReel Available	Min.: 1 Mult.: 1 : 750		RF Transformers		SMD/SMT	200 kHz to 500 MHz	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 WBC SMT Mini Wdebnd 1:4 0.300-700 MHz WBC4-6TLC Coilcraft 1: $5.39 719In Stock 1,500Expected 30/11/2026	Mfr. Part No. WBC4-6TLC Mouser Part No 994-WBC4-6TLC	Coilcraft	Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:4 0.300-700 MHz	Datasheet	719In Stock 1,500Expected 30/11/2026	Cut Tape $5.39 $4.26 $4.11 $3.83 Reel $3.42 View $3.63 $3.48 $3.31 Quote MouseReel Available	Min.: 1 Mult.: 1 : 750		RF Transformers		SMD/SMT	300 kHz to 700 MHz	36 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 XFMR LAN 10/100/1000 BASE-T 1000B-5001FXT iNRCORE 1: $42.40 432In Stock 900Expected 02/12/2026	Mfr. Part No. 1000B-5001FXT Mouser Part No 673-1000B-5001FXT	iNRCORE	Audio Transformers / Signal Transformers XFMR LAN 10/100/1000 BASE-T	Datasheet	432In Stock 900Expected 02/12/2026	Cut Tape $42.40 $38.15 $36.57 $35.41 View Reel $32.56 $34.63 $32.56 Quote MouseReel Available	Min.: 1 Mult.: 1 : 300	No	LAN Transformers		SMD/SMT		350 uH			1500 Vrms	- 55 C	+ 125 C	1 Channel		17.53 mm	12.19 mm	5.72 mm	1000B	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers LAN Transformer/CMC,12PIN,100Base,SGL,4.0kVAC, -40 to 105C SM91078L-E Bourns 1: $12.56 144In Stock	Mfr. Part No. SM91078L-E Mouser Part No 652-SM91078L-E	Bourns	Audio Transformers / Signal Transformers LAN Transformer/CMC,12PIN,100Base,SGL,4.0kVAC, -40 to 105C Learn More about Bourns sm91078l transformer	Datasheet	144In Stock	Cut Tape $12.56 $12.55 $10.64 $10.29 Reel $5.91 View $9.92 $6.88 $5.89 Quote MouseReel Available	Min.: 1 Mult.: 1 : 400		LAN Transformers	LAN	SMD/SMT		350 uH			4 kV	- 40 C	+ 105 C	1 Channel		30.6 mm	18.6 mm	9.6 mm		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH .65Ohms 1-Por H1102FNL Pulse Electronics 1: $5.46 713In Stock NRND	Mfr. Part No. H1102FNL Mouser Part No 673-H1102FNL NRND	Pulse Electronics	Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH .65Ohms 1-Por Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	713In Stock	$5.46 $4.87 $3.97 $3.86 View $3.79 $3.40	Min.: 1 Mult.: 1		LAN Transformers	Module	SMD/SMT	100 kHz to 100 MHz	350 uH			1.5 kV	0 C	+ 70 C	Single	SMT	12.7 mm	9.53 mm	6.09 mm		Tube
Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH 1-Port HX1188FNL Pulse Electronics 1: $5.42 1,474In Stock 2,680Expected 17/02/2027 NRND	Mfr. Part No. HX1188FNL Mouser Part No 673-HX1188FNL NRND	Pulse Electronics	Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH 1-Port Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	1,474In Stock 2,680Expected 17/02/2027	$5.42 $4.74 $3.84 $3.76 View $3.71 $3.61 $3.45 $3.43	Min.: 1 Mult.: 1		LAN Transformers	Module	SMD/SMT	100 kHz to 100 MHz	350 uH			1.5 kV	- 40 C	+ 85 C	Single	SMT	12.7 mm	9.53 mm	6 mm	HX	Tube
Audio Transformers / Signal Transformers 1000Base-T PoE+ SMD 1-Port 120uH HX6098FNL Pulse Electronics 1: $8.84 45In Stock NRND	Mfr. Part No. HX6098FNL Mouser Part No 673-HX6098FNL NRND	Pulse Electronics	Audio Transformers / Signal Transformers 1000Base-T PoE+ SMD 1-Port 120uH Learn More about Pulse Electronics pulse poe solutions	Datasheet	45In Stock	$8.84 $8.03 $7.03 $6.86 View $6.68 $6.16 $6.08	Min.: 1 Mult.: 1		LAN Transformers	Module	SMD/SMT	1 MHz to 125 MHz	350 uH			1.5 kV	- 40 C	+ 85 C	Single		18.16 mm	15.11 mm	6.3 mm	HX	Tube
Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 0.015 - 300 MHz, 50? T1-6T-KK81+ Mini-Circuits Restricted Availability	Mfr. Part No. T1-6T-KK81+ Mouser Part No 139-T1-6T-KK81+	Mini-Circuits	Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 0.015 - 300 MHz, 50? Mouser does not presently sell this product in your region.	Datasheet	More Info Available		Restricted Availability		RF Transformers	Transformer	SMD/SMT	15 kHz to 300 MHz		50 Ohms	50 Ohms		- 20 C	+ 85 C	1 Channel	7.62 mm x 6.86 mm x 5.84 mm	7.62 mm	6.86 mm	5.84 mm	T1	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1:2 CORE & WIRE Transformer, 1500 - 6700 MHz, 50? TCM2-672AX+ Mini-Circuits Restricted Availability	Mfr. Part No. TCM2-672AX+ Mouser Part No 139-TCM2-672AX+	Mini-Circuits	Audio Transformers / Signal Transformers 1:2 CORE & WIRE Transformer, 1500 - 6700 MHz, 50? Learn More about Mini-Circuits mini circuits tcm transformers Mouser does not presently sell this product in your region.	Datasheet			Restricted Availability		RF Transformers	Transformer	SMD/SMT	1.5 GHz to 6.7 GHz		50 Ohms	50 Ohms		- 40 C	+ 85 C	1 Channel	4.06 mm x 3.81 mm x 4.06 mm	4.06 mm	3.81 mm	4.06 mm	TCM2	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Chip LAN,10/100/1G xformer,PoE,4.7x3.2 SM453229-231N7Y Bourns 1: $0.71 13,380In Stock 10,000Expected 22/04/2027	Mfr. Part No. SM453229-231N7Y Mouser Part No 652-SM453229-231N7Y	Bourns	Audio Transformers / Signal Transformers Chip LAN,10/100/1G xformer,PoE,4.7x3.2 Learn More about Bourns sm453229 transformers and inductors	Datasheet	13,380In Stock 10,000Expected 22/04/2027	Cut Tape $0.71 $0.557 $0.512 $0.482 Reel $0.386 View $0.463 $0.448 $0.442 $0.375 MouseReel Available	Min.: 1 Mult.: 1 : 2,000		PoE Transformers		SMD/SMT	1 MHz to 100 MHz	230 uH			1.5 kVAC	- 40 C	+ 85 C	Dual	4.7 mm x 3.22 mm x 2.9 mm	4.7 mm	3.22 mm	2.9 mm	SM453229-231N7Y	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Chip LAN,10/100/1G xformer,4.7x3.2mm SM453229-381N7Y Bourns 1: $0.59 24,704In Stock 30,000Expected 03/05/2027	Mfr. Part No. SM453229-381N7Y Mouser Part No 652-SM453229-381N7Y	Bourns	Audio Transformers / Signal Transformers Chip LAN,10/100/1G xformer,4.7x3.2mm Learn More about Bourns sm453229 transformers and inductors	Datasheet	24,704In Stock 30,000Expected 03/05/2027	Cut Tape $0.59 $0.539 $0.503 $0.482 Reel $0.415 View $0.463 $0.448 $0.441 $0.401 MouseReel Available	Min.: 1 Mult.: 1 : 2,000		LAN Transformers		SMD/SMT	1 MHz to 100 MHz	380 uH			1.5 kVAC	- 40 C	+ 85 C	Dual	4.7 mm x 3.22 mm x 2.9 mm	4.7 mm	3.22 mm	2.9 mm	SM453229-381N7Y	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers XFMR TCS SNGL 1000BT 1:124 SMT RPB 1000B-5001FXNL iNRCORE 1: $49.91 258In Stock 350Expected 24/03/2027	Mfr. Part No. 1000B-5001FXNL Mouser Part No 673-1000B-5001FXNL	iNRCORE	Audio Transformers / Signal Transformers XFMR TCS SNGL 1000BT 1:124 SMT RPB Learn More about iNRCORE pulser 1000 base t transformers	Datasheet	258In Stock 350Expected 24/03/2027	$49.91 $44.57 $41.63 View Quote	Min.: 1 Mult.: 1		RF Transformers		SMD/SMT	100 kHz to 100 MHz	350 uH			1.5 kV	- 55 C	+ 125 C	Single		17.53 mm	12.19 mm	5.72 mm	1000B-F	Tube
Audio Transformers / Signal Transformers 120uH LAN 10G 1:1 Surface Mount TC10000 Pulse Electronics 1: $2.08 1,980In Stock	Mfr. Part No. TC10000 Mouser Part No 673-TC10000	Pulse Electronics	Audio Transformers / Signal Transformers 120uH LAN 10G 1:1 Surface Mount Learn More about Pulse Electronics pulse pulsechip transformers	Datasheet	1,980In Stock	Cut Tape $2.08 $1.80 $1.61 $1.48 Reel $1.22 View $1.42 $1.30 $1.06 MouseReel Available	Min.: 1 Mult.: 1 : 2,000		LAN Transformers	LAN	SMD/SMT	1 MHz to 400 MHz	120 uH			1.5 kV	- 40 C	+ 85 C	Single	4.7 mm x 3.4 mm x 3.04 mm	4.7 mm	3.4 mm	3.04 mm	TC	Reel, Cut Tape, MouseReel