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Audio Transformers / Signal Transformers

Audio Transformers & Signal Transformers are available at Mouser Electronics 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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Part #

Audio Transformers / Signal Transformers 10BASE-T SMD 1-Port GullWing 1:2

TG74-1406N1RLTR
HALO Electronics
1: $5.258
424In Stock

Mfr. Part #
TG74-1406N1RLTR

Mouser Part #
493-TG74-1406N1RLTR

HALO Electronics

Audio Transformers / Signal Transformers 10BASE-T SMD 1-Port GullWing 1:2

Learn More

Datasheet

424In Stock

Cut Tape

$5.258

$3.397

$2.776

$2.251

View

Reel

$1.388

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

LAN Isolation Transformers

Module

SMD/SMT

140 uH

1.5 kV

- 40 C

+ 85 C

Single

SMD-16

12.7 mm

7.11 mm

5.08 mm

TG-10BT

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers LAN 2 Port 10/100/1000 Base-T T,C

ALANS10002-6NA1DT
ABRACON
1: $7.278
75In Stock

Mfr. Part #
ALANS10002-6NA1DT

Mouser Part #
815-ALANS100026NA1DT

ABRACON

Audio Transformers / Signal Transformers LAN 2 Port 10/100/1000 Base-T T,C

Learn More

Datasheet

75In Stock

Cut Tape

$7.278

$5.648

$5.427

$5.258

Reel

$4.648

View

Min.: 1
Mult.: 1

: 300

LAN Transformers

LAN

SMD/SMT

100 kHz to 100 MHz

350 uH

- 40 C

+ 85 C

Dual

27.8 mm

12.2 mm

7.2 mm

ALANS10002

Reel, Cut Tape

Audio Transformers / Signal Transformers WE-SPE 1:1 2.2mH 8Pins

749070011
Wurth Elektronik
1: $2.524
1.295In Stock
New Product

Mfr. Part #
749070011

Mouser Part #
710-749070011

New Product

Wurth Elektronik

Audio Transformers / Signal Transformers WE-SPE 1:1 2.2mH 8Pins

Learn More

Datasheet

1.295In Stock

Cut Tape

$2.524

$1.988

$1.883

$1.777

Reel

$1.609

View

MouseReel Available

Min.: 1
Mult.: 1

: 650

Signal Transformer

SMD/SMT

2.2 mH

2.25 kVDC

- 40 C

+ 125 C

1 Channel

SMD-8

6.5 mm

6.1 mm

5.46 mm

WE-SPE

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers RF XFMR / SURF MOUNT / RoHS

ADT2-162T+
Mini-Circuits
1: $9.350
58In Stock

Mfr. Part #
ADT2-162T+

Mouser Part #
139-ADT2-162T

Mini-Circuits

Audio Transformers / Signal Transformers RF XFMR / SURF MOUNT / RoHS

Datasheet

58In Stock

Cut Tape

$9.350

$8.824

Reel

$8.813

MouseReel Available

Min.: 1
Mult.: 1

: 100

ADT2

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers 1:2 CORE & WIRE Transformer, 50 - 1000 MHz, 75?

JTX-2-10TA+
Mini-Circuits
1: $22.180
31In Stock
100Expected 9/7/2026

Mfr. Part #
JTX-2-10TA+

Mouser Part #
139-JTX-2-10TA

Mini-Circuits

Audio Transformers / Signal Transformers 1:2 CORE & WIRE Transformer, 50 - 1000 MHz, 75?

Datasheet

31In Stock

100Expected 9/7/2026

Cut Tape

$22.180

$12.420

$12.252

Reel

$12.252

MouseReel Available

Min.: 1
Mult.: 1

: 100

JTX

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 0.08 - 200 MHz, 50?

T1-1T-X65+
Mini-Circuits
1: $7.625
25In Stock
80Expected 11/9/2026

Mfr. Part #
T1-1T-X65+

Mouser Part #
139-T1-1T-X65+

Mini-Circuits

Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 0.08 - 200 MHz, 50?

Datasheet

25In Stock

80Expected 11/9/2026

$7.625

$7.478

Min.: 1
Mult.: 1

RF Transformers

Plug-In Wire Transformer

Through Hole

80 kHz to 200 MHz

- 20 C

+ 85 C

1 Channel

DIP-6

7.62 mm

6.86 mm

5.84 mm

Tube

Audio Transformers / Signal Transformers 1:1:2 Core & Wire Transformer, 0.07-200 MHz, 50 ohm

T2-613-1-KK81+
Mini-Circuits
1: $3.323
158In Stock

Mfr. Part #
T2-613-1-KK81+

Mouser Part #
139-T2-613-1-KK81

Mini-Circuits

Audio Transformers / Signal Transformers 1:1:2 Core & Wire Transformer, 0.07-200 MHz, 50 ohm

Datasheet

158In Stock

Cut Tape

$3.323

$3.302

$3.260

$2.945

Reel

$2.945

MouseReel Available

Min.: 1
Mult.: 1

: 100

RF Transformers

Core and Wire Transformer

SMD/SMT

70 kHz to 200 MHz

50 Ohms

- 20 C

+ 85 C

3 Channel

KK81

7.62 mm

6.86 mm

5.84 mm

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS

TC1-1-13M-75X+
Mini-Circuits
1: $3.418
618In Stock
4.000Expected 10/7/2026

Mfr. Part #
TC1-1-13M-75X+

Mouser Part #
139-TC1-1-13M-75X

Mini-Circuits

Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS

Learn More

Datasheet

618In Stock

4.000Expected 10/7/2026

Cut Tape

$3.418

$2.209

$1.693

$1.567

Reel

$1.525

$1.483

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC1

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS

TC1.33-1T-75X+
Mini-Circuits
1: $3.870
350In Stock

Mfr. Part #
TC1.33-1T-75X+

Mouser Part #
139-TC1.33-1T-75X

Mini-Circuits

Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS

Learn More

Datasheet

350In Stock

Cut Tape

$3.870

$2.661

$2.145

$2.051

Reel

$1.956

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC1.33

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS

TC1.5-52T+
Mini-Circuits
1: $4.712
122In Stock

Mfr. Part #
TC1.5-52T+

Mouser Part #
139-TC1.5-52T

Mini-Circuits

Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS

Learn More

Datasheet

122In Stock

Cut Tape

$4.712

$3.323

$2.829

$2.713

Reel

$2.640

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC1.5

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS

TCM3-1TX+
Mini-Circuits
1: $3.576
591In Stock

Mfr. Part #
TCM3-1TX+

Mouser Part #
139-TCM3-1TX

Mini-Circuits

Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS

Learn More

Datasheet

591In Stock

Cut Tape

$3.576

$2.377

$1.872

$1.756

Reel

$1.756

MouseReel Available

Min.: 1
Mult.: 1

: 500

TCM3

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers 1:1 LTCC Transformer, 3100 - 4200 MHz, 50?

TCW1-422+
Mini-Circuits
1: $1.977
128In Stock

Mfr. Part #
TCW1-422+

Mouser Part #
139-TCW1-422+

Mini-Circuits

Audio Transformers / Signal Transformers 1:1 LTCC Transformer, 3100 - 4200 MHz, 50?

Datasheet

128In Stock

Cut Tape

$1.977

Reel

$1.977

MouseReel Available

Min.: 1
Mult.: 1

: 500

RF Transformers

SMD/SMT

3.1 GHz to 4.2 GHz

- 55 C

+ 125 C

TCW1

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers RF XFMR / SURF MOUNT / RoHS

TRS1-23-75+
Mini-Circuits
1: $3.323
335In Stock

Mfr. Part #
TRS1-23-75+

Mouser Part #
139-TRS1-23-75

Mini-Circuits

Audio Transformers / Signal Transformers RF XFMR / SURF MOUNT / RoHS

Learn More

Datasheet

335In Stock

Cut Tape

$3.323

$3.166

$3.124

Reel

$3.124

MouseReel Available

Min.: 1
Mult.: 1

: 500

TRS1

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers T1/E1 ISO MOD THT 6Pin 1CT:1CT 1Ch

TD15-1205ALF
HALO Electronics
1: $4.733
112In Stock

Mfr. Part #
TD15-1205ALF

Mouser Part #
493-TD15-1205ALF

HALO Electronics

Audio Transformers / Signal Transformers T1/E1 ISO MOD THT 6Pin 1CT:1CT 1Ch

Learn More

Datasheet

112In Stock

$4.733

$3.060

$2.503

$2.019

View

Min.: 1
Mult.: 1

Isolation Transformers

Module

Through Hole

1.2 mH

1.5 kV

0 C

+ 70 C

Single

DIP-6

12.7 mm

8.89 mm

6.35 mm

TD-T1

Tube

Audio Transformers / Signal Transformers 10BASE-T SMD 1-Port GullWing 1:41

TG42-1406N1LF
HALO Electronics
1: $4.838
510In Stock

Mfr. Part #
TG42-1406N1LF

Mouser Part #
493-TG42-1406N1LF

HALO Electronics

Audio Transformers / Signal Transformers 10BASE-T SMD 1-Port GullWing 1:41

Learn More

Datasheet

510In Stock

$4.838

$3.113

$2.535

$2.051

View

Min.: 1
Mult.: 1

LAN Isolation Transformers

Module

SMD/SMT

140 uH

1.5 kV

0 C

+ 70 C

Single

SMD-16

12.7 mm

7.11 mm

5.08 mm

TG-10BT

Tube

Audio Transformers / Signal Transformers

TG91-1505J24RL
HALO Electronics
1: $19.246
31In Stock

Mfr. Part #
TG91-1505J24RL

Mouser Part #
493-TG91-1505J24RL

HALO Electronics

Audio Transformers / Signal Transformers

Datasheet

31In Stock

$19.246

$13.746

$11.548

$9.623

View

Min.: 1
Mult.: 1

Telecom Transformers

Isolated

SMD/SMT

- 40 C

+ 85 C

Octal

25.4 mm

7.62 mm

7.34 mm

SMD-T1

Tube

Audio Transformers / Signal Transformers 1:2 CORE & WIRE Transformer, 5 - 120 MHz, 50?

T2-1-2W-KK81+
Mini-Circuits
1: $10.286
17In Stock
100Expected 10/19/2026
New At Mouser

Mfr. Part #
T2-1-2W-KK81+

Mouser Part #
139-T2-1-2W-KK81

New At Mouser

Mini-Circuits

Audio Transformers / Signal Transformers 1:2 CORE & WIRE Transformer, 5 - 120 MHz, 50?

Datasheet

17In Stock

100Expected 10/19/2026

$10.286

Min.: 1
Mult.: 1

RF Transformers

Surface Mount RF Transformer

SMD/SMT

5 MHz to 120 MHz

- 20 C

+ 85 C

1 Channel

Cut Tape

Audio Transformers / Signal Transformers 1:4 Core & Wire Transformer, 0.02 - 250 MHz, 50ohm

T4-6T-X65+
Mini-Circuits
1: $10.685
5In Stock

Mfr. Part #
T4-6T-X65+

Mouser Part #
139-T4-6T-X65

Mini-Circuits

Audio Transformers / Signal Transformers 1:4 Core & Wire Transformer, 0.02 - 250 MHz, 50ohm

Datasheet

5In Stock

$10.685

Min.: 1
Mult.: 1

RF Transformers

RF Wire Transformer

Through Hole

20 kHz to 250 MHz

- 20 C

+ 85 C

7.62 mm

5.84 mm

Tube

Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS

TC1.33-1T-75+
Mini-Circuits
1: $3.870
87In Stock

Mfr. Part #
TC1.33-1T-75+

Mouser Part #
139-TC1.33-1T-75

Mini-Circuits

Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS

Learn More

Datasheet

87In Stock

Cut Tape

$3.870

$2.661

$2.156

Reel

$2.156

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC1.33

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS

TC1.33-282X+
Mini-Circuits
1: $5.237
234In Stock

Mfr. Part #
TC1.33-282X+

Mouser Part #
139-TC1.33-282X

Mini-Circuits

Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS

Learn More

Datasheet

234In Stock

Cut Tape

$5.237

$3.870

$3.481

Reel

$3.481

$3.155

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC1.33

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers TC XFMR / SURF MT / RoHS

TC2-72T-5+
Mini-Circuits
1: $3.870
185In Stock

Mfr. Part #
TC2-72T-5+

Mouser Part #
139-TC2-72T-5

Mini-Circuits

Audio Transformers / Signal Transformers TC XFMR / SURF MT / RoHS

Datasheet

185In Stock

Cut Tape

$3.870

$2.661

$2.145

$1.956

Reel

$1.956

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC2

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers RF XFMR / SURF MOUNT / RoHS

TRS1.33-1T-75+
Mini-Circuits
1: $3.429
265In Stock

Mfr. Part #
TRS1.33-1T-75+

Mouser Part #
139-TRS1.33-1T-75

Mini-Circuits

Audio Transformers / Signal Transformers RF XFMR / SURF MOUNT / RoHS

Learn More

Datasheet

265In Stock

Cut Tape

$3.429

Reel

$3.429

MouseReel Available

Min.: 1
Mult.: 1

: 100

TRS1.33

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers 0.3uH 12V 1:1 DCR=0.6Ohms

TG01-7856NSLF
HALO Electronics
1: $15.039
244In Stock

Mfr. Part #
TG01-7856NSLF

Mouser Part #
493-TG01-7856NSLF

HALO Electronics

Audio Transformers / Signal Transformers 0.3uH 12V 1:1 DCR=0.6Ohms

Datasheet

244In Stock

$15.039

$10.738

$9.024

$7.520

View

Min.: 1
Mult.: 1

Tube

Audio Transformers / Signal Transformers T1/E1 ISO MOD SMD GullWing 20P Quad Ch

TG05-1205NM5RL
HALO Electronics
1: $8.729
276In Stock

Mfr. Part #
TG05-1205NM5RL

Mouser Part #
493-TG05-1205NM5RL

HALO Electronics

Audio Transformers / Signal Transformers T1/E1 ISO MOD SMD GullWing 20P Quad Ch

Learn More

Datasheet

276In Stock

$8.729

$4.133

$3.597

$3.565

View

Min.: 1
Mult.: 1

Isolation Transformers

Module

SMD/SMT

1.2 mH

1.5 kV

0 C

+ 70 C

Dual, Quad

SMD-20

15.62 mm

7.11 mm

6.35 mm

SMD-T1

Tube

Audio Transformers / Signal Transformers 10/100BASETX SMD 16P RP-Ultra PoE+ 1Port

TG110-HPE7N5RL
HALO Electronics
1: $8.992
336In Stock

Mfr. Part #
TG110-HPE7N5RL

Mouser Part #
493-TG110-HPE7N5RL

HALO Electronics

Audio Transformers / Signal Transformers 10/100BASETX SMD 16P RP-Ultra PoE+ 1Port

Learn More

Datasheet

336In Stock

$8.992

$6.415

$5.395

$4.491

View

Min.: 1
Mult.: 1

LAN Transformers

Module

SMD/SMT

1 MHz to 80 MHz

350 uH

1.5 kV

- 40 C

+ 85 C

Single

SMD-16

12.7 mm

7.11 mm

6.35 mm

TG110

Tube

Audio Transformers / Signal Transformers

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ABRACON
Amphenol
Bel
Bourns
Coilcraft
Eaton
EMO Systems
HALO Electronics
Hammond
HARTING
iNRCORE
MACOM
Mini-Circuits
Murata
Neutrik
Pro-Wave Electronics
Pulse
Qorvo
Sumida
Tamura
Taoglas
TDK
TE Connectivity
Triad Magnetics
TTM Technologies
Vacuumschmelze
Visaton
Vishay
Wurth Elektronik
Xicon

Accessories
ADSL Transformers
Audio Transformer
Audio Transformers
Baluns
BMS Transformers
Chip LAN Transformers
Design Kits
DSL Transformers
Ethernet Isolation Transformers
Ethernet Transformers
Flyback Transformers
Forward Transformers
Gate Drive Transformers
High Voltager LAN Transformers
Impedance Matching Transformers
Interface Transformers
ISDN Transformers
Isolation Module
Isolation Transformers

10 / 100 Base-TX
1000Base-T, 10GBase-T
1G Base-T PoE Transformer
Adaptors
ADSL
Audio
Audio Transformer
Automotive
Balun
Balun Adapter
Ceramic Balun
Copperhead High Speed
Core and Wire Transformer
Data/Voice Coupling
Dual Channel
Ethernet Transformers
Flyback
High Frequency Resonant Transformer
High Frequency Universal Line SMD Transformer
High Speed

10 Hz to 30 kHz
20 Hz to 20 kHz
30 Hz to 15 kHz
30 Hz to 22 kHz
30 Hz to 30 kHz
50 Hz to 10 kHz
50 Hz to 12 kHz
50 Hz to 15 kHz
50 Hz to 19 kHz
50 Hz to 60 Hz
70 Hz to 11 kHz
70 Hz to 15 kHz
100 Hz to 100 MHz
100 Hz to 15 kHz
100 Hz to 9 kHz
150 Hz to 15 kHz
200 Hz
200 Hz to 15 kHz
200 Hz to 3.5 kHz
200 Hz to 4 kHz

60 nH
100 nH
200 nH
300 nH
330 nH
400 nH
500 nH
600 nH
700 nH
800 nH
900 nH
1 uH, 342 uH
1.2 uH
1.25 uH
2.5 uH
2.925 uH, 5.85 uH
3.75 uH
4 uH
5 uH
6 uH, 17 uH

100 mOhms
200 mOhms
500 mOhms
650 mOhms
700 mOhms
700 mOhms, 700 mOhms
800 mOhms
800 mOhms, 800 mOhms
900 mOhms
1 Ohms
1 Ohms, 1 Ohms
1 Ohms, 2 Ohms
1.7 Ohms, 1.7 Ohms
2.4 Ohms
3 Ohms
3.2 Ohms
7.5 Ohms/30 Ohms
8 Ohms
12 Ohms, 48 Ohms
20 Ohms

65 mOhms
500 mOhms
700 mOhms
1 Ohms
1 Ohms, 1 Ohms
1 Ohms, 2 Ohms
1.1 Ohms
1.2 Ohms, 1 Ohms
1.5 Ohms to 15 Ohms
2 Ohms
2 Ohms, 1.7 Ohms
2 Ohms, 4 Ohms, 8 Ohms
2.4 Ohms
2.5 Ohms
3.2 Ohms
4 Ohms
4 Ohms, 16 Ohms
4 Ohms, 8 Ohms
4 Ohms, 8 Ohms, 16 Ohms
4.2 Ohms

100 mV
50 V
100 V
100 VDC
100 Vrms
300 V
500 V
500 Vrms
700 V
1 kV
1.5 kV
1.5 kVAC
1.5 kVDC
1.5 kVrms
1500 Vrms
1.501 kVAC
1.75 kVDC
1.8 kVAC, 2.5 kVDC
1.875 kV
1.875 kVAC

0.5 in x 0.38 in x 0.236 in
0.63 in x 0.566 in x 0.598 in
0.69 in x 0.48 in x 0.225 in
0.82 in x 0.68 in x 0.69 in
0.86 in x 0.71 in x 0.75 in
0402 (1005 metric)
0805 (2012)
1.33 in x 1.64 in x 0.85 in
1.35 in x 0.69 in x 0.69 in
1.63 in x 0.88 in x 0.81 in
10.4 mm x 7.87 mm
10.4 mm x 7.87 mm x 11.8 mm
10.6 mm x 9.08 mm x 10 mm
12.7 mm x 6.99 mm x 5.08 mm
12.7 mm x 8.89 mm x 6.35 mm
12.7 mm x 9.09 mm x 5.99 mm
13.21 mm x 7.87 mm x 5.72 mm
13.3 mm x 7.4 mm
13.64 mm x 14.99 mm x 6.22 mm
13.97 mm x 12.57 mm x 4.57 mm

0.5 mm
1 mm
1.25 mm
1.6 mm
2 mm
2.54 mm
2.55 mm
3.048 mm
3.2 mm
3.45 mm
3.51 mm
3.74 mm
3.81 mm
3.97 mm
4 mm
4.02 mm
4.06 mm
4.064 mm
4.19 mm
4.21 mm

0.51 mm
0.79 mm
1.16 mm
1.2 mm
1.24 mm
1.27 mm
1.42 mm
1.524 mm
1.6 mm
1.69 mm
1.75 mm
1.78 mm
2 mm
2.5 mm
2.54 mm
2.6 mm
2.69 mm
2.79 mm
2.9 mm
3 mm

0.38 mm
0.414 mm
0.53 mm
0.61 mm
0.84 mm
0.939 mm
1.1 mm
1.2 mm
1.73 mm
1.88 mm
1.98 mm
2 mm
2.08 mm
2.083 mm
0.082 in
2.1 mm
2.2 mm
2.24 mm
2.3 mm
2.31 mm

101
102
104
106
107
108
109
117
119
124 Series
125 Series
126 Series
140
141
143
144
145
146
148
149