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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 XFMR 300CT/600CT 42TL023-RC Xicon 1: $2.10 250In Stock	Mfr. Part No. 42TL023-RC Mouser Part No 42TL023-RC	Xicon	Audio Transformers / Signal Transformers XFMR 300CT/600CT	Datasheet	250In Stock	$2.10 $1.94 $1.74 $1.64 View $1.38 $1.20 $1.06 $0.945 Quote	Min.: 1 Mult.: 1		Audio Transformers	Transformer	Through Hole	300 Hz to 3.4 kHz		300 Ohms	600 Ohms	100 VDC	- 30 C	+ 80 C	1 Channel	15 mm x 15 mm x 12.7 mm	15 mm	15 mm	12.7 mm	42TL	Bulk
Audio Transformers / Signal Transformers MDL SIN 1GD 1:1 SMT TU PBC 1000B-5002X iNRCORE 1: $47.88 433Expected 02/12/2026	Mfr. Part No. 1000B-5002X Mouser Part No 673-1000B-5002X	iNRCORE	Audio Transformers / Signal Transformers MDL SIN 1GD 1:1 SMT TU PBC	Datasheet	433Expected 02/12/2026	$47.88 $42.81 $40.95 $39.53 View $36.94 $35.76 Quote	Min.: 1 Mult.: 1	No	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	Tube
Audio Transformers / Signal Transformers 1:2 CORE & WIRE Transformer, 0.07 - 200 MHz, 50? T2-1T-KK81+ Mini-Circuits Restricted Availability	Mfr. Part No. T2-1T-KK81+ Mouser Part No 139-T2-1T-KK81+	Mini-Circuits	Audio Transformers / Signal Transformers 1:2 CORE & WIRE Transformer, 0.07 - 200 MHz, 50? Mouser does not presently sell this product in your region.	Datasheet	More Info Available		Restricted Availability		RF Transformers	Transformer	SMD/SMT	70 kHz to 200 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	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1:36 CORE & WIRE Transformer, 0.03 - 20 MHz, 50? T36-1-KK81+ Mini-Circuits Restricted Availability	Mfr. Part No. T36-1-KK81+ Mouser Part No 139-T36-1-KK81+	Mini-Circuits	Audio Transformers / Signal Transformers 1:36 CORE & WIRE Transformer, 0.03 - 20 MHz, 50? Mouser does not presently sell this product in your region.	Datasheet	More Info Available		Restricted Availability		RF Transformers	Transformer	SMD/SMT	30 kHz to 20 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	T36	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1:4 CORE & WIRE Transformer, 0.02 - 250 MHz, 50? T4-6T-KK81+ Mini-Circuits Restricted Availability	Mfr. Part No. T4-6T-KK81+ Mouser Part No 139-T4-6T-KK81+	Mini-Circuits	Audio Transformers / Signal Transformers 1:4 CORE & WIRE Transformer, 0.02 - 250 MHz, 50? Mouser does not presently sell this product in your region.	Datasheet	More Info Available		Restricted Availability		RF Transformers	Transformer	SMD/SMT	20 kHz to 250 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	T4	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 1.5 - 500 MHz, 50? TC1-1G2+ Mini-Circuits Restricted Availability	Mfr. Part No. TC1-1G2+ Mouser Part No 139-TC1-1G2+	Mini-Circuits	Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 1.5 - 500 MHz, 50? Mouser does not presently sell this product in your region.	Datasheet	More Info Available		Restricted Availability		RF Transformers	Transformer	SMD/SMT	1.5 MHz to 500 MHz		50 Ohms	50 Ohms		- 20 C	+ 85 C	1 Channel	3.81 mm x 3.81 mm x 3.81 mm	3.81 mm	3.81 mm	3.81 mm	TC1	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1:2 CORE & WIRE Transformer, 1000 - 4500 MHz, 50? TCM2-452AX+ Mini-Circuits Restricted Availability	Mfr. Part No. TCM2-452AX+ Mouser Part No 139-TCM2-452AX+	Mini-Circuits	Audio Transformers / Signal Transformers 1:2 CORE & WIRE Transformer, 1000 - 4500 MHz, 50? Learn More about Mini-Circuits mini circuits tcm transformers Mouser does not presently sell this product in your region.	Datasheet	More Info Available		Restricted Availability		RF Transformers	Surface-Mount Transmission Line Core and Wire Transformer	SMD/SMT	1 GHz to 4.5 GHz					- 40 C	+ 85 C	1 Channel	SMD-6	3.81 mm	4.06 mm	4.06 mm	TCM2	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 10-1.8GHz, 75Ohms, 1:1 Core and Wire Transformer TRS1-182-75-3+ Mini-Circuits Restricted Availability	Mfr. Part No. TRS1-182-75-3+ Mouser Part No 139-TRS1-182-75-3+	Mini-Circuits	Audio Transformers / Signal Transformers 10-1.8GHz, 75Ohms, 1:1 Core and Wire Transformer Mouser does not presently sell this product in your region.	Datasheet	More Info Available		Restricted Availability		RF Transformers	Transformer	SMD/SMT	10 MHz to 1.8 GHz		75 Ohms	50 Ohms		- 40 C	+ 100 C	1 Channel	6.1 mm x 4.32 mm x 4.06 mm	6.1 mm	4.32 mm	4.06 mm	TRS1	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers RF XFMR / SURF MT / RoHS TRS1.5-182+ Mini-Circuits Restricted Availability	Mfr. Part No. TRS1.5-182+ Mouser Part No 139-TRS1.5-182+	Mini-Circuits	Audio Transformers / Signal Transformers RF XFMR / SURF MT / RoHS Learn More about Mini-Circuits mini circuits trs transformers Mouser does not presently sell this product in your region.	Datasheet	More Info Available		Restricted Availability		RF Transformers		SMD/SMT	10 MHz to 1.8 GHz		50 Ohms	50 Ohms		- 40 C	+ 85 C	Single		7.11 mm	6.35 mm	3.05 mm	TRS1.5	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers GIGABIT PoE+ SMD 24P 1500Vrms Hi-Pot TG111-HPE3NZLF HALO Electronics 1: $13.25 452Expected 20/08/2027	Mfr. Part No. TG111-HPE3NZLF Mouser Part No 493-TG111-HPE3NZLF	HALO Electronics	Audio Transformers / Signal Transformers GIGABIT PoE+ SMD 24P 1500Vrms Hi-Pot	Datasheet	452Expected 20/08/2027	$13.25 $8.55 $6.97 $5.64 $4.32	Min.: 1 Mult.: 1		PoE Isolation Transformers		SMD/SMT						- 40 C	+ 85 C			17.78 mm	12.19 mm	5.84 mm	TG1G	Tube
Audio Transformers / Signal Transformers XFMR CHOKE SHUNT 1:124 QUAD 100 NPB 1000B-5001FNL iNRCORE 1: $43.87 187On Order	Mfr. Part No. 1000B-5001FNL Mouser Part No 673-1000B-5001FNL	iNRCORE	Audio Transformers / Signal Transformers XFMR CHOKE SHUNT 1:124 QUAD 100 NPB Learn More about iNRCORE pulser 1000 base t transformers	Datasheet	187On Order On Order Ship Dates Mfr. No: 1000B-5001FNL Stock: 0 On Order: 87 Expected 06/01/2027 100 TBD Factory Lead Time: 14 Weeks	$43.87 $39.28 $37.58 $36.28 View $35.09 $33.65 Quote	Min.: 1 Mult.: 1		RF Transformers		SMD/SMT	100 kHz to 100 MHz	350 uH			1.5 kV	- 40 C	+ 85 C	Single		17.53 mm	12.19 mm	5.72 mm	1000B-F	Tube
Audio Transformers / Signal Transformers Wideband RF, SMD 250mA 1:1sec SWB2010-SMLD Coilcraft 1: $4.11 485Expected 30/11/2026	Mfr. Part No. SWB2010-SMLD Mouser Part No 994-SWB2010-SMLD	Coilcraft	Audio Transformers / Signal Transformers Wideband RF, SMD 250mA 1:1sec Learn More about Coilcraft swb transformers	Datasheet	485Expected 30/11/2026	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		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 Wideband RF, TH 250mA 1:1sec SWB3010-1-PCL Coilcraft 1: $3.72 70Expected 09/11/2026	Mfr. Part No. SWB3010-1-PCL Mouser Part No 994-SWB3010-1-PCL	Coilcraft	Audio Transformers / Signal Transformers Wideband RF, TH 250mA 1:1sec Learn More about Coilcraft swb transformers	Datasheet	70Expected 09/11/2026	$3.72 $3.02 $2.90 $2.72 View $2.61 $2.54 $2.42 $2.35 $2.28	Min.: 1 Mult.: 1		RF Transformers	Pin Terminal Transformers	Through Hole	40 kHz to 175 MHz	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 1000Base-T SMD PoE+ 350uH .3Ohms 1-Port H6096FNL Pulse Electronics 1: $7.98 163Expected 04/01/2027 NRND	Mfr. Part No. H6096FNL Mouser Part No 673-H6096FNL NRND	Pulse Electronics	Audio Transformers / Signal Transformers 1000Base-T SMD PoE+ 350uH .3Ohms 1-Port Learn More about Pulse Electronics pulse poe solutions	Datasheet	163Expected 04/01/2027	$7.98 $7.21 $6.67 $6.44 View $6.17 $6.02 $5.83	Min.: 1 Mult.: 1		LAN Transformers	Module	SMD/SMT	1 MHz to 125 MHz	350 uH			1.5 kV	0 C	+ 70 C	Single		18.16 mm	16 mm	6.6 mm		Tube
Audio Transformers / Signal Transformers 1:4 CORE & WIRE Transformer, 0.2 - 350 MHz, 50? T4-1-KK81+ Mini-Circuits Restricted Availability	Mfr. Part No. T4-1-KK81+ Mouser Part No 139-T4-1-KK81+	Mini-Circuits	Audio Transformers / Signal Transformers 1:4 CORE & WIRE Transformer, 0.2 - 350 MHz, 50? Mouser does not presently sell this product in your region.	Datasheet	More Info Available		Restricted Availability		RF Transformers	Transformer	SMD/SMT	200 kHz to 350 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	T4	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Flybk Xfmr EFD15 Single Out 12.3W 12V 1A POEB1FB1V12W1X12 Eaton Electronics 1: $2.64 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. POEB1FB1V12W1X12 Mouser Part No 504-POEB1FB1V12W1X12	Eaton Electronics	Audio Transformers / Signal Transformers Flybk Xfmr EFD15 Single Out 12.3W 12V 1A Learn More about Eaton Electronics eaton high voltage poe transformers	Datasheet	Non-Stocked Lead-Time 12 Weeks	Cut Tape $2.64 $2.00 Reel $2.00 MouseReel Available	Min.: 1 Mult.: 1 : 250		Flyback Transformers		SMD/SMT		140 uH			1.5 kVAC	- 40 C	+ 125 C			22.3 mm	17.3 mm	9 mm	POEB1FB	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Flybk Xfmr EFD25 Single Out 48W 12V 4A POEB3FB1V48W1X12 Eaton Electronics 1: $5.98 100Expected 17/12/2026	Mfr. Part No. POEB3FB1V48W1X12 Mouser Part No 504-POEB3FB1V48W1X12	Eaton Electronics	Audio Transformers / Signal Transformers Flybk Xfmr EFD25 Single Out 48W 12V 4A Learn More about Eaton Electronics eaton high voltage poe transformers	Datasheet	100Expected 17/12/2026	Cut Tape $5.98 $5.41 $5.19 $5.03 Reel $4.35 View $4.14 $4.05 $3.95 $3.88 MouseReel Available	Min.: 1 Mult.: 1 : 100		Flyback Transformers		SMD/SMT		30 uH			1.5 kVAC	- 40 C	+ 125 C			32.8 mm	26.8 mm	14.8 mm	POEB3FB	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Audio transformer, potted, primary 150 ctohms , secondary 12 ohms 107B Hammond Manufacturing 1: $29.37 5Expected 09/11/2026	Mfr. Part No. 107B Mouser Part No 546-107B	Hammond Manufacturing	Audio Transformers / Signal Transformers Audio transformer, potted, primary 150 ctohms , secondary 12 ohms	Datasheet	5Expected 09/11/2026	$29.37 $26.19 $25.01 $22.95 View $22.06 $21.39 $21.27 Quote	Min.: 1 Mult.: 1		Audio Transformers	Pin Terminal Transformers	Through Hole	300 Hz to 100 kHz		150 Ohms	12 Ohms			+ 85 C	Single		0.63 in	0.586 in	0.63 in	107
Audio Transformers / Signal Transformers AUDIO XFMR FCC68 XFMR 600:600 90mADC/TY-402P TY-402P Triad Magnetics 1: $6.21 220On Order	Mfr. Part No. TY-402P Mouser Part No 553-TY402P	Triad Magnetics	Audio Transformers / Signal Transformers AUDIO XFMR FCC68 XFMR 600:600 90mADC/TY-402P	Datasheet	220On Order On Order Ship Dates Mfr. No: TY-402P Stock: 0 On Order: 94 Pending 126 Expected 21/06/2027 Factory Lead Time: 18 Weeks	$6.21 $5.87 $5.64 $5.29 View $4.84 $4.62	Min.: 1 Mult.: 1		Audio Transformers	Pin Terminal Transformers	Radial	300 Hz to 3.5 kHz		600 Ohms	600 Ohms	1.5 kV	- 20 C	+ 85 C	Single		1.25 in	0.815 in	0.53 in	TY
Audio Transformers / Signal Transformers TRANSFORMER AUDIO & SIGNAL CX2039LNLT Pulse Electronics 1: $4.23 Lead-Time 10 Weeks	Mfr. Part No. CX2039LNLT Mouser Part No 673-CX2039LNLT	Pulse Electronics	Audio Transformers / Signal Transformers TRANSFORMER AUDIO & SIGNAL	Datasheet	Lead-Time 10 Weeks	Cut Tape $4.23 $3.34 $2.50 $2.33 $2.12 Reel $1.90	Min.: 1 Mult.: 1 : 2,000		RF Transformers		SMD/SMT	1.5 MHz to 4.5 MHz					- 40 C	+ 85 C	Single	SMD-5	3.81 mm	3.81 mm	2.79 mm	CX	Reel, Cut Tape
Audio Transformers / Signal Transformers Audio transformer, potted, primary impedance 2500 CT, secondary impedance 600 CT 101J Hammond Manufacturing 1: $26.18 17Factory Stock Available	Mfr. Part No. 101J Mouser Part No 546-101J	Hammond Manufacturing	Audio Transformers / Signal Transformers Audio transformer, potted, primary impedance 2500 CT, secondary impedance 600 CT	Datasheet	17Factory Stock Available More Info Available	$26.18 $22.09 $21.25 $20.59 View $19.80 $19.20 $18.89 Quote	Min.: 1 Mult.: 1		Audio Transformers	Pin Terminal Transformers	Through Hole	300 Hz to 100 kHz		2.5 kOhms	600 Ohms				Single		0.45 in	0.45 in	0.48 in	101
Audio Transformers / Signal Transformers Audio transformer, potted, primary impedance 2500 CT, secondary impedance 50 CT 101V Hammond Manufacturing 1: $26.34 176Factory Stock Available	Mfr. Part No. 101V Mouser Part No 546-101V	Hammond Manufacturing	Audio Transformers / Signal Transformers Audio transformer, potted, primary impedance 2500 CT, secondary impedance 50 CT	Datasheet	176Factory Stock Available More Info Available	$26.34 $22.07 $21.22 $20.56 View $19.78 $19.18 $18.88 Quote	Min.: 1 Mult.: 1		Audio Transformers	Pin Terminal Transformers	Through Hole	300 Hz to 100 kHz		2.5 kOhms	50 Ohms				Single		0.45 in	0.45 in	0.48 in	101
Audio Transformers / Signal Transformers Audio transformer, potted, primary 10K ctohms , secondary 3.2 ohms 107L Hammond Manufacturing 1: $27.22 37Factory Stock Available	Mfr. Part No. 107L Mouser Part No 546-107L	Hammond Manufacturing	Audio Transformers / Signal Transformers Audio transformer, potted, primary 10K ctohms , secondary 3.2 ohms	Datasheet	37Factory Stock Available More Info Available	$27.22 $24.84 $23.85 $23.08 View $22.19 $21.48 $21.37 Quote	Min.: 1 Mult.: 1		Audio Transformers	Pin Terminal Transformers	Through Hole	300 Hz to 50 kHz		10 kOhms	3.2 Ohms			+ 85 C	Single		0.63 in	0.586 in	0.63 in	107
Audio Transformers / Signal Transformers Audio transformer, potted, primary 600 ctohms , secondary 3.2 ohms 108E Hammond Manufacturing 1: $33.32 362Factory Stock Available	Mfr. Part No. 108E Mouser Part No 546-108E	Hammond Manufacturing	Audio Transformers / Signal Transformers Audio transformer, potted, primary 600 ctohms , secondary 3.2 ohms	Datasheet	362Factory Stock Available More Info Available	$33.32 $29.72 $26.93 $25.96 View $25.04 $24.30 Quote	Min.: 1 Mult.: 1		Audio Transformers	Pin Terminal Transformers	Through Hole	300 Hz to 50 kHz		600 Ohms	3.2 Ohms				Single		26.16 mm	19.56 mm	19.56 mm	108
Audio Transformers / Signal Transformers Audio transformer, chassis mount, Output, 500 ct:8 ohms 144G Hammond Manufacturing 1: $25.72 37Factory Stock Available	Mfr. Part No. 144G Mouser Part No 546-144G	Hammond Manufacturing	Audio Transformers / Signal Transformers Audio transformer, chassis mount, Output, 500 ct:8 ohms	Datasheet	37Factory Stock Available More Info Available	$25.72 $24.09 $23.30 $22.66 View $21.82 $21.31 $21.12 Quote	Min.: 1 Mult.: 1		Audio Transformers		Wire Lead	150 Hz to 15 kHz		500 Ohms	8 Ohms				Single	1.35 in x 0.69 in x 0.69 in	1.35 in	0.69 in	0.69 in	144