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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 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 RF XFMR / SURF MOUNT / RoHS

ADTT1.5-1+
Mini-Circuits
1: $6.857
197In Stock

Mfr. Part #
ADTT1.5-1+

Mouser Part #
139-ADTT1.5-1

Mini-Circuits

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

Datasheet

197In Stock

Cut Tape

$6.857

Reel

$6.857

MouseReel Available

Min.: 1
Mult.: 1

: 100

ADTT1.5

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers 1:2.5 CORE & WIRE Transformer, 0.01 - 100 MHz, 50?

T2.5-6-KK81+
Mini-Circuits
1: $7.625
77In Stock

Mfr. Part #
T2.5-6-KK81+

Mouser Part #
139-T2.5-6-KK81+

Mini-Circuits

Audio Transformers / Signal Transformers 1:2.5 CORE & WIRE Transformer, 0.01 - 100 MHz, 50?

Datasheet

77In Stock

Cut Tape

$7.625

$7.194

$6.941

$6.762

Reel

$6.762

MouseReel Available

Min.: 1
Mult.: 1

: 100

RF Transformers

Transformer

SMD/SMT

10 kHz to 100 MHz

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 TC XFMR / SURF MOUNT / RoHS

TC4-14G2+
Mini-Circuits
1: $4.554
361In Stock

Mfr. Part #
TC4-14G2+

Mouser Part #
139-TC4-14G2

Mini-Circuits

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

Datasheet

361In Stock

Cut Tape

$4.554

$3.323

$2.829

$2.713

Reel

$2.713

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC4

Reel, Cut Tape, MouseReel

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

TC8-1G2+
Mini-Circuits
1: $4.102
294In Stock

Mfr. Part #
TC8-1G2+

Mouser Part #
139-TC8-1G2

Mini-Circuits

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

Datasheet

294In Stock

Cut Tape

$4.102

$2.882

$2.377

$2.166

Reel

$2.166

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC8

Reel, Cut Tape, MouseReel

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

TCML1-19+
Mini-Circuits
1: $3.576
161In Stock

Mfr. Part #
TCML1-19+

Mouser Part #
139-TCML1-19

Mini-Circuits

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

Datasheet

161In Stock

Cut Tape

$3.576

$2.377

$1.872

$1.756

Reel

$1.756

MouseReel Available

Min.: 1
Mult.: 1

: 500

TCML1

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers

TG03-RF24NSRL
HALO Electronics
1: $8.519
62In Stock

Mfr. Part #
TG03-RF24NSRL

Mouser Part #
493-TG03-RF24NSRL

HALO Electronics

Audio Transformers / Signal Transformers

62In Stock

$8.519

$6.079

$5.111

$4.259

View

Min.: 1
Mult.: 1

Audio Transformers / Signal Transformers T1/E1 ISO MOD SMD GullWing 6P SingleCh

TG04-1505NSRL
HALO Electronics
1: $5.574
396In Stock

Mfr. Part #
TG04-1505NSRL

Mouser Part #
493-TG04-1505NSRL

HALO Electronics

Audio Transformers / Signal Transformers T1/E1 ISO MOD SMD GullWing 6P SingleCh

Learn More

Datasheet

396In Stock

$5.574

$3.618

$2.955

$2.387

View

Min.: 1
Mult.: 1

Isolation Transformers

Module

SMD/SMT

1.5 mH

1.5 kV

- 40 C

+ 85 C

Single

SMD-6

8.13 mm

7.11 mm

5.08 mm

SMD-T1

Tube

Audio Transformers / Signal Transformers GIGABIT ISO MOD GigE 10/100BASE-TX

TG111-E12NYNRLTR
HALO Electronics
1: $12.042
13In Stock

Mfr. Part #
TG111-E12NYNRLTR

Mouser Part #
493-TG111-E12NYNRLTR

HALO Electronics

Audio Transformers / Signal Transformers GIGABIT ISO MOD GigE 10/100BASE-TX

Learn More

Datasheet

13In Stock

Cut Tape

$12.042

$7.772

$6.342

$5.122

Reel

$4.301

View

MouseReel Available

Min.: 1
Mult.: 1

: 330

LAN Isolation Transformers

Module

SMD/SMT

- 40 C

+ 85 C

15.24 mm

13.72 mm

6.35 mm

TG1G

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers GIGABIT ISO MOD SMD 24P 1-Port w/Choke

TG1G-S001NZRL
HALO Electronics
1: $11.832
353In Stock

Mfr. Part #
TG1G-S001NZRL

Mouser Part #
493-TG1G-S001NZRL

HALO Electronics

Audio Transformers / Signal Transformers GIGABIT ISO MOD SMD 24P 1-Port w/Choke

Learn More

Datasheet

353In Stock

$11.832

$7.635

$6.226

$5.038

View

Min.: 1
Mult.: 1

LAN Isolation Transformers

Module

SMD/SMT

1 MHz to 100 MHz

350 uH

1.5 kV

0 C

+ 70 C

Dual

SMD-24

17.78 mm

12.19 mm

5.84 mm

TG1G

Tube

Audio Transformers / Signal Transformers 10BASE-T SMD 1-Port GullWing 1:2.5

TG92-2006N1LF
HALO Electronics
1: $4.890
212In Stock

Mfr. Part #
TG92-2006N1LF

Mouser Part #
493-TG92-2006N1LF

HALO Electronics

Audio Transformers / Signal Transformers 10BASE-T SMD 1-Port GullWing 1:2.5

Learn More

Datasheet

212In Stock

$4.890

$3.155

$2.577

$2.082

View

Min.: 1
Mult.: 1

LAN Isolation Transformers

Module

SMD/SMT

200 uH

1.5 kV

- 40 C

+ 85 C

Single

SMD-16

12.7 mm

7.11 mm

5.08 mm

TG-10BT

Tube

Audio Transformers / Signal Transformers 1:1.5 CORE & WIRE Transformer, 0.1 - 400 MHz, 50?

FT-1.5-1*C16+
Mini-Circuits
1: $75.396
1In Stock
10Expected 10/19/2026

Mfr. Part #
FT-1.5-1*C16+

Mouser Part #
139-FT-1.5-1C16

Mini-Circuits

Audio Transformers / Signal Transformers 1:1.5 CORE & WIRE Transformer, 0.1 - 400 MHz, 50?

Datasheet

1In Stock

10Expected 10/19/2026

$75.396

Min.: 1
Mult.: 1

Tray

Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 0.15 - 400 MHz, 50?

T1-1-X65+
Mini-Circuits
1: $5.984
108In Stock
New At Mouser

Mfr. Part #
T1-1-X65+

Mouser Part #
139-T1-1-X65+

New At Mouser

Mini-Circuits

Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 0.15 - 400 MHz, 50?

Datasheet

108In Stock

$5.984

Min.: 1
Mult.: 1

RF Transformers

Plug-In RF Transformer

Through Hole

150 kHz to 400 MHz

- 20 C

+ 85 C

Dual

X65

Tube

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

TC1-1T-75X+
Mini-Circuits
1: $3.523
355In Stock

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

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

Mini-Circuits

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

Learn More

Datasheet

355In Stock

Cut Tape

$3.523

$2.314

$1.798

$1.767

Reel

$1.767

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC1

Reel, Cut Tape, MouseReel

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

TC4-122-75X+
Mini-Circuits
1: $3.681
88In Stock

Mfr. Part #
TC4-122-75X+

Mouser Part #
139-TC4-122-75X

Mini-Circuits

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

Datasheet

88In Stock

Cut Tape

$3.681

$2.503

$1.956

$1.883

Reel

$1.798

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC4

Reel, Cut Tape, MouseReel

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

TC4-1W-7A+
Mini-Circuits
1: $3.870
162In Stock

Mfr. Part #
TC4-1W-7A+

Mouser Part #
139-TC4-1W-7A

Mini-Circuits

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

Datasheet

162In Stock

Cut Tape

$3.870

$2.661

$2.145

$2.051

Reel

$1.956

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC4

Reel, Cut Tape, MouseReel

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

TCM3-1T+
Mini-Circuits
1: $3.870
45In Stock

Mfr. Part #
TCM3-1T+

Mouser Part #
139-TCM3-1T

Mini-Circuits

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

Learn More

Datasheet

45In Stock

Cut Tape

$3.870

$2.661

$1.956

Reel

$1.956

MouseReel Available

Min.: 1
Mult.: 1

: 500

TCM3

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers SMD ISOLATION MODULE

TG01-FC07N1LF
HALO Electronics
1: $9.255
271In Stock

Mfr. Part #
TG01-FC07N1LF

Mouser Part #
493-TG01-FC07N1LF

HALO Electronics

Audio Transformers / Signal Transformers SMD ISOLATION MODULE

Datasheet

271In Stock

$9.255

$5.974

$4.880

$3.944

View

Min.: 1
Mult.: 1

Isolation Transformers

Tube

Audio Transformers / Signal Transformers T1/E1 ISO MOD SMD GullWing 6P SingleCh

TG02-1205NSRL
HALO Electronics
1: $4.996
522In Stock

Mfr. Part #
TG02-1205NSRL

Mouser Part #
493-TG02-1205NSRL

HALO Electronics

Audio Transformers / Signal Transformers T1/E1 ISO MOD SMD GullWing 6P SingleCh

Learn More

Datasheet

522In Stock

$4.996

$3.218

$2.629

$2.124

View

Min.: 1
Mult.: 1

Isolation Transformers

Module

SMD/SMT

1.2 mH

1.5 kV

0 C

+ 70 C

Single

SMD-6

8.13 mm

7.11 mm

5.08 mm

SMD-T1

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