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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.	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 Wideband RF, SMD 250mA 1:1sec SWB3010-SMLD Coilcraft 1: $4.11 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 $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 1000Base-T SMD PoE+ 120uH .3Ohms 1-Port HM6098FNL Pulse Electronics 1: $8.85 10In Stock	Mfr. Part No. HM6098FNL Mouser Part No 673-HM6098FNL	Pulse Electronics	Audio Transformers / Signal Transformers 1000Base-T SMD PoE+ 120uH .3Ohms 1-Port Learn More about Pulse Electronics pulse automotive communications	Datasheet	10In Stock	$8.85 $7.99 $7.65 $7.41 View $7.18 $6.83 $6.61 $6.43	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	100 kHz to 200 MHz	120 uH			1.5 kV	- 40 C	+ 105 C	Single		18.16 mm	18.16 mm	6.6 mm		Tube
Audio Transformers / Signal Transformers B0570 for NCP101X 15uH 12 V 1.25 A B0570-BL Coilcraft 1: $9.60 55In Stock	Mfr. Part No. B0570-BL Mouser Part No 994-B0570-BL	Coilcraft	Audio Transformers / Signal Transformers B0570 for NCP101X 15uH 12 V 1.25 A Learn More about Coilcraft power magnetics	Datasheet	55In Stock	$9.60 $8.66 $8.31 $8.05 View $7.80 $7.41 $7.18 $6.98	Min.: 1 Mult.: 1	Flyback Transformers	Flyback	Through Hole	100 kHz	3.4 mH			3 kV	- 40 C	+ 85 C	Single		27.94 mm	27.84 mm	24.13 mm	B0570	Tray
Audio Transformers / Signal Transformers GA3172 Flyback For PIC16HV785 GA3172-AL Coilcraft 1: $7.42 1In Stock	Mfr. Part No. GA3172-AL Mouser Part No 994-GA3172-AL	Coilcraft	Audio Transformers / Signal Transformers GA3172 Flyback For PIC16HV785 Learn More about Coilcraft power magnetics	Datasheet	1In Stock	$7.42 $6.59 $6.32 $6.12 View $5.93 $5.57 $5.39 $5.22 Quote	Min.: 1 Mult.: 1	Flyback Transformers	Flyback	Through Hole	125 kHz	500 uH			3 kV	- 40 C	+ 85 C	Single		22.25 mm	14.25 mm	23.74 mm	GA3172	Tray
Audio Transformers / Signal Transformers Wideband RF, TH 250mA 1:1sec SWB3010-PCL Coilcraft 1: $4.11 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	$4.11 $3.34 $3.20 $3.00 View $2.89 $2.81 $2.68 $2.59 Quote	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 WBC SMT Mini Wdebnd 1:4 0.500-1000 MHz WBC4-1WLC Coilcraft 1: $5.08 230In Stock 750Expected 09/11/2026	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	230In Stock 750Expected 09/11/2026	Cut Tape $5.08 $4.02 $3.87 $3.61 Reel $3.23 View $3.42 $3.28 $3.12 Quote 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 Wideband RF, TH 250mA 4:1sec SWB1040-PCL Coilcraft 1: $6.03 14In Stock	Mfr. Part No. SWB1040-PCL Mouser Part No 994-SWB1040-PCL	Coilcraft	Audio Transformers / Signal Transformers Wideband RF, TH 250mA 4:1sec Learn More about Coilcraft swb transformers	Datasheet	14In Stock	$6.03 $4.68 $4.49 $4.36 View $4.21 $3.98 $3.85 $3.72 $3.70	Min.: 1 Mult.: 1	RF Transformers	Pin Terminal Transformers	Through Hole	200 kHz to 300 MHz	25 uH, 95 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 10/100Base-TX SMD Non-PoE 1-Port Pulse Electronics H1086NLT H1086NLT Pulse Electronics 1: $6.46 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 $6.46 $5.83 $5.60 $5.43 Reel $5.00 View $5.26 $4.52 $4.17 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 KA5038 Flyback For ON Semi NCP1236 KA5038-BL Coilcraft 1: $18.59 67In Stock	Mfr. Part No. KA5038-BL Mouser Part No 994-KA5038-BL	Coilcraft	Audio Transformers / Signal Transformers KA5038 Flyback For ON Semi NCP1236 Learn More about Coilcraft power magnetics	Datasheet	67In Stock	$18.59 $16.35 $15.84 $15.53 View $14.95 $14.24 $13.82	Min.: 1 Mult.: 1	Flyback Transformers	Flyback	Through Hole	50 kHz	560 uH			3 kV	- 40 C	+ 85 C	Single		42 mm	33.5 mm	23.24 mm	KA5038	Tray
Audio Transformers / Signal Transformers Wideband RF, SMD 250mA 1:1sec SWB2010-1-SMLD Coilcraft 1: $3.71 500In Stock	Mfr. Part No. SWB2010-1-SMLD Mouser Part No 994-SWB2010-1-SMLD	Coilcraft	Audio Transformers / Signal Transformers Wideband RF, SMD 250mA 1:1sec Learn More about Coilcraft swb transformers	Datasheet	500In Stock	Cut Tape $3.71 $3.01 $2.89 $2.71 Reel $2.53 View $2.60 $2.41 $2.34 $2.27 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 SMD Isolation Xfmr 100uH .3Ohms 1-Port Pulse Electronics PE-65728NLT PE-65728NLT Pulse Electronics 1: $4.45 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 $4.45 $4.03 $3.75 $3.19 Reel $2.95 View $3.06 $2.96 $2.61 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: $11.05 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	$11.05 $9.81 $9.43 $9.09 View $8.09 $7.54 $7.48 Quote	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
Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 2-Port H5020NLT Pulse Electronics 1: $18.23 57In Stock	Mfr. Part No. H5020NLT Mouser Part No 673-H5020NLT	Pulse Electronics	Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 2-Port Learn More about Pulse Electronics pulselantrans	Datasheet	57In Stock	Cut Tape $18.23 $16.35 $15.75 $15.26 Reel $14.15 View $14.78 $12.84 Quote MouseReel Available	Min.: 1 Mult.: 1 : 250	LAN Transformers	Module	SMD/SMT	1 MHz to 100 MHz	350 uH			1.5 kV	0 C	+ 70 C	Dual		27.94 mm	10.92 mm	7.54 mm		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 10Base-T SMD NonPoE 140uH .6Ohms 1-Port 23Z467SMNL Pulse Electronics 1: $4.95 389In Stock	Mfr. Part No. 23Z467SMNL Mouser Part No 673-23Z467SMNL	Pulse Electronics	Audio Transformers / Signal Transformers 10Base-T SMD NonPoE 140uH .6Ohms 1-Port	Datasheet	389In Stock	$4.95 $4.48 $4.18 $4.05 View $3.97 $3.30 $3.12 $3.10	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	100 kHz	140 uH	1 Ohms	1 Ohms	2 kV	0 C	+ 70 C	Single		11.43 mm	6.73 mm	5.59 mm	23Z467	Tube
Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 4-Por H5401NL Pulse Electronics 1: $23.47 61In Stock	Mfr. Part No. H5401NL Mouser Part No 673-H5401NL	Pulse Electronics	Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 4-Por Learn More about Pulse Electronics pulse 1gigabit poe poeplus smd transformers	Datasheet	61In Stock	$23.47 $21.76 $20.86 $19.17 View $18.49 $16.73 $16.37 Quote	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	1 MHz to 125 MHz	350 uH			1.5 kV	0 C	+ 70 C	4 Channel	BGA	28.45 mm	17.27 mm	11.18 mm		Tray
Audio Transformers / Signal Transformers PLC Transf PTH 0.7mH 1:1:2 135:135:230 T60403-K5032-X102 Vacuumschmelze 1: $3.96 8,855In Stock	Mfr. Part No. T60403-K5032-X102 Mouser Part No 983-T60403-K5032X102	Vacuumschmelze	Audio Transformers / Signal Transformers PLC Transf PTH 0.7mH 1:1:2 135:135:230 Learn More about Vacuumschmelze vac plc transformers	Datasheet	8,855In Stock	Cut Tape $3.96 $3.21 $3.09 $2.89 Reel $2.77 View $2.70 $2.57 $2.49 $2.37 MouseReel Available	Min.: 1 Mult.: 1 : 200			SMD/SMT	10 kHz to 1 MHz	700 uH			6.5 kV	- 40 C	+ 85 C	Single		16.6 mm	13.2 mm	10 mm	T60403	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers THT T1/CEPT/ISDN-Pri 1200uH 1.2Ohm 1-Por PE-65415NL Pulse Electronics 1: $4.83 680In Stock	Mfr. Part No. PE-65415NL Mouser Part No 673-PE-65415NL	Pulse Electronics	Audio Transformers / Signal Transformers THT T1/CEPT/ISDN-Pri 1200uH 1.2Ohm 1-Por Learn More about Pulse Electronics pulsetelecom	Datasheet	680In Stock	$4.83 $4.76 $4.62 $4.53 $3.40	Min.: 1 Mult.: 1	ISDN Transformers	Module	Through Hole	1 MHz to 100 MHz				1.5 kV	0 C	+ 70 C	Single		12.7 mm	8.89 mm	6.35 mm		Tube
Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH .7Ohms 2-Port TX1188NL Pulse Electronics 1: $5.78 588In Stock	Mfr. Part No. TX1188NL Mouser Part No 673-TX1188NL	Pulse Electronics	Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH .7Ohms 2-Port	Datasheet	588In Stock	$5.78 $5.23 $4.91 $4.75 View $4.66 $4.00 $3.82 $3.81	Min.: 1 Mult.: 1	ISDN Transformers	Module	SMD/SMT			700 mOhms, 700 mOhms		1.5 kV	- 40 C	+ 85 C	2 Channel		12.83 mm	7.11 mm	6.22 mm		Tube
Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:4 1.500-1200 MHz WBC4-14LC Coilcraft 1: $7.68 328In Stock	Mfr. Part No. WBC4-14LC Mouser Part No 994-WBC4-14LC	Coilcraft	Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:4 1.500-1200 MHz	Datasheet	328In Stock	Cut Tape $7.68 $6.17 $6.02 $5.62 Reel $4.27 View $5.33 $4.31 $4.21 Quote MouseReel Available	Min.: 1 Mult.: 1 : 750	RF Transformers		SMD/SMT	1.5 MHz to 1.2 GHz	8 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 120W POE Planar 5V 24A 50uH POE120PL-50L Coilcraft 1: $9.64 26In Stock	Mfr. Part No. POE120PL-50L Mouser Part No 994-POE120PL-50L	Coilcraft	Audio Transformers / Signal Transformers 120W POE Planar 5V 24A 50uH Learn More about Coilcraft poe120pl planar transformers	Datasheet	26In Stock	$9.64 $8.70 $8.35 $8.09 View $7.83 $7.44 $7.21 $7.01	Min.: 1 Mult.: 1	PoE Transformers		SMD/SMT	200 kHz	50 uH			1.5 kV	- 40 C	+ 125 C	1 Channel	23.37 mm x 20.83 mm x 9.53 mm	23.37 mm	20.83 mm	9.53 mm	POE120PL	Tray
Audio Transformers / Signal Transformers 1:2.5 CORE & WIRE Transformer, 0.01 - 100 MHz, 50? T2.5-6-KK81+ Mini-Circuits Restricted Availability	Mfr. Part No. T2.5-6-KK81+ Mouser Part No 139-T2.5-6-KK81+	Mini-Circuits	Audio Transformers / Signal Transformers 1:2.5 CORE & WIRE Transformer, 0.01 - 100 MHz, 50? Mouser does not presently sell this product in your region.	Datasheet	More Info Available		Restricted Availability	RF Transformers	Transformer	SMD/SMT	10 kHz to 100 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	T2.5	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 120W POE Planar 3.3V 36A 50uH POE120PL-33L Coilcraft 1: $9.64 27In Stock	Mfr. Part No. POE120PL-33L Mouser Part No 994-POE120PL-33L	Coilcraft	Audio Transformers / Signal Transformers 120W POE Planar 3.3V 36A 50uH Learn More about Coilcraft poe120pl planar transformers	Datasheet	27In Stock	$9.64 $8.70 $8.35 $8.09 View $7.83 $7.44 $7.21 $7.01	Min.: 1 Mult.: 1	PoE Transformers		SMD/SMT	200 kHz	50 uH			1.5 kV	- 40 C	+ 125 C	Single	23.37 mm x 20.83 mm x 10.34 mm	23.37 mm	20.83 mm	10.34 mm	POE120PL	Tray
Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 5 - 1800 MHz, 75 Ohm TC1-182T-75X+ Mini-Circuits Restricted Availability	Mfr. Part No. TC1-182T-75X+ Mouser Part No 139-TC1-182T-75X+	Mini-Circuits	Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 5 - 1800 MHz, 75 Ohm Learn More about Mini-Circuits mini circuits tc1 transformers Mouser does not presently sell this product in your region.	Datasheet			Restricted Availability	RF Transformers		SMD/SMT	5 MHz to 1.8 GHz					- 40 C	+ 85 C	Single		3.81 mm	3.81 mm	4.06 mm	TC1	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-PLC EE13/7/4 (EF12.6) THT 750510476 Wurth Elektronik 1: $5.25 407In Stock 1,040Expected 16/04/2027	Mfr. Part No. 750510476 Mouser Part No 710-750510476	Wurth Elektronik	Audio Transformers / Signal Transformers WE-PLC EE13/7/4 (EF12.6) THT Learn More about Wurth Elektronik wurth we plc transformers	Datasheet	407In Stock 1,040Expected 16/04/2027	$5.25 $4.74 $4.55 $4.41 View $4.22 $4.09 $3.96 $3.84	Min.: 1 Mult.: 1	Signal Transformers	PLC	Through Hole		870 uH			4 kVAC	- 40 C	+ 125 C	Single		13.72 mm	19.8 mm	10.16 mm	WE-PLC	Tray
Audio Transformers / Signal Transformers 100Base-TX SMD PoE 350uH .65Ohms 1-Port HX2260FNL Pulse Electronics 1: $4.34 310In Stock NRND	Mfr. Part No. HX2260FNL Mouser Part No 673-HX2260FNL NRND	Pulse Electronics	Audio Transformers / Signal Transformers 100Base-TX SMD PoE 350uH .65Ohms 1-Port Learn More about Pulse Electronics pulse poe solutions	Datasheet	310In Stock	$4.34 $3.92 $3.57 $3.50 View $3.37 $3.27 $2.99 $2.95 Quote	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	1 MHz to 125 MHz	350 uH			1.5 kV	- 40 C	+ 85 C	Single		12.7 mm	9.09 mm	5.99 mm	HX	Tube