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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 SMD ISOLATION MODULE

TG74-1406N1LF
HALO Electronics
1: $6.26
117In Stock

Mfr. Part No.
TG74-1406N1LF

Mouser Part No
493-TG74-1406N1LF

HALO Electronics

Audio Transformers / Signal Transformers SMD ISOLATION MODULE

Datasheet

117In Stock

$6.26

$4.03

$3.28

$2.65

View

Min.: 1
Mult.: 1

Isolation Transformers

Tube

Audio Transformers / Signal Transformers LAN 1 Port 10/100/1000 Base-T T,C

ALANL10001-FJC1KT
ABRACON
1: $7.93
473In Stock

Mfr. Part No.
ALANL10001-FJC1KT

Mouser Part No
815-ALANL10001FJC1KT

ABRACON

Audio Transformers / Signal Transformers LAN 1 Port 10/100/1000 Base-T T,C

Datasheet

473In Stock

Cut Tape

$7.93

$5.98

$5.70

$5.34

Reel

$4.45

View

MouseReel Available

Min.: 1
Mult.: 1

: 800

LAN Transformers

LAN

SMD/SMT

350 uH

- 40 C

+ 125 C

10/100/1000 Base-T

19.8 mm

16.6 mm

2.5 mm

ALANL10001

Reel, Cut Tape, MouseReel

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

TC4-13TX+
Mini-Circuits
1: $6.77
125In Stock

Mfr. Part No.
TC4-13TX+

Mouser Part No
139-TC4-13TX

Mini-Circuits

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

Datasheet

125In Stock

Cut Tape

$6.77

$5.00

$4.30

$4.08

Reel

$4.08

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC4

Reel, Cut Tape, MouseReel

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

TC9-1-75+
Mini-Circuits
1: $5.75
38In Stock

Mfr. Part No.
TC9-1-75+

Mouser Part No
139-TC9-1-75

Mini-Circuits

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

Datasheet

38In Stock

Cut Tape

$5.75

$4.19

$3.52

$3.28

Reel

$3.28

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC9

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers 10-1.8GHz, 75Ohms, 1:1 Core and Wire Transformer

TRS1-182-75-3+
Mini-Circuits
1: $3.93
17In Stock
500Expected 19/10/2026

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

Datasheet

17In Stock

500Expected 19/10/2026

Cut Tape

$3.93

$3.73

$3.70

Reel

$3.70

MouseReel Available

Min.: 1
Mult.: 1

: 500

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 AUI ISO MOD THT 16Pin 100uH 1:1

TD01-1006KRL
HALO Electronics
1: $6.32
68In Stock

Mfr. Part No.
TD01-1006KRL

Mouser Part No
493-TD01-1006KRL

HALO Electronics

Audio Transformers / Signal Transformers AUI ISO MOD THT 16Pin 100uH 1:1

Learn More

Datasheet

68In Stock

$6.32

$4.08

$3.33

$2.69

View

Min.: 1
Mult.: 1

LAN Isolation Transformers

Module

Through Hole

100 uH

1.5 kV

0 C

+ 70 C

Dual

AUI Interface

DIP-16

20.57 mm

7.62 mm

5.33 mm

TD-10B2

Tube

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

TG74-1406N1RLTR
HALO Electronics
1: $6.80
424In Stock

Mfr. Part No.
TG74-1406N1RLTR

Mouser Part No
493-TG74-1406N1RLTR

HALO Electronics

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

Learn More

Datasheet

424In Stock

Cut Tape

$6.80

$4.39

$3.59

$2.91

View

Reel

$1.80

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

LAN Isolation Transformers

Module

SMD/SMT

140 uH

1.5 kV

- 40 C

+ 85 C

Single

10 Base-T Interface

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: $9.41
75In Stock

Mfr. Part No.
ALANS10002-6NA1DT

Mouser Part No
815-ALANS100026NA1DT

ABRACON

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

Learn More

Datasheet

75In Stock

Cut Tape

$9.41

$7.30

$7.02

$6.80

Reel

$6.01

View

Min.: 1
Mult.: 1

: 300

LAN Transformers

LAN

SMD/SMT

100 kHz to 100 MHz

350 uH

- 40 C

+ 85 C

Dual

10/100/1000 Base-T

27.8 mm

12.2 mm

7.2 mm

ALANS10002

Reel, Cut Tape

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

ADTT1.5-1+
Mini-Circuits
1: $8.87
197In Stock

Mfr. Part No.
ADTT1.5-1+

Mouser Part No
139-ADTT1.5-1

Mini-Circuits

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

Datasheet

197In Stock

Cut Tape

$8.87

Reel

$8.87

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: $9.86
77In Stock

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?

Datasheet

77In Stock

Cut Tape

$9.86

$9.30

$8.98

$8.74

Reel

$8.74

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: $5.89
361In Stock

Mfr. Part No.
TC4-14G2+

Mouser Part No
139-TC4-14G2

Mini-Circuits

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

Datasheet

361In Stock

Cut Tape

$5.89

$4.30

$3.66

$3.51

Reel

$3.51

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: $5.30
294In Stock

Mfr. Part No.
TC8-1G2+

Mouser Part No
139-TC8-1G2

Mini-Circuits

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

Datasheet

294In Stock

Cut Tape

$5.30

$3.73

$3.07

$2.80

Reel

$2.80

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: $4.62
161In Stock

Mfr. Part No.
TCML1-19+

Mouser Part No
139-TCML1-19

Mini-Circuits

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

Datasheet

161In Stock

Cut Tape

$4.62

$3.07

$2.42

$2.27

Reel

$2.27

MouseReel Available

Min.: 1
Mult.: 1

: 500

TCML1

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers

TG03-RF24NSRL
HALO Electronics
1: $11.02
62In Stock

Mfr. Part No.
TG03-RF24NSRL

Mouser Part No
493-TG03-RF24NSRL

HALO Electronics

Audio Transformers / Signal Transformers

62In Stock

$11.02

$7.86

$6.61

$5.51

View

Min.: 1
Mult.: 1

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

TG04-1505NSRL
HALO Electronics
1: $7.21
396In Stock

Mfr. Part No.
TG04-1505NSRL

Mouser Part No
493-TG04-1505NSRL

HALO Electronics

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

Learn More

Datasheet

396In Stock

$7.21

$4.68

$3.82

$3.09

View

Min.: 1
Mult.: 1

Isolation Transformers

Module

SMD/SMT

1.5 mH

1.5 kV

- 40 C

+ 85 C

Single

T1/E1 Line Interface

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: $15.57
63In Stock

Mfr. Part No.
TG111-E12NYNRLTR

Mouser Part No
493-TG111-E12NYNRLTR

HALO Electronics

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

Learn More

Datasheet

63In Stock

Cut Tape

$15.57

$10.05

$8.20

$6.62

Reel

$5.56

View

MouseReel Available

Min.: 1
Mult.: 1

: 330

LAN Isolation Transformers

Module

SMD/SMT

- 40 C

+ 85 C

Gigabit Interface

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: $15.30
353In Stock

Mfr. Part No.
TG1G-S001NZRL

Mouser Part No
493-TG1G-S001NZRL

HALO Electronics

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

Learn More

Datasheet

353In Stock

$15.30

$9.87

$8.05

$6.51

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

Gigabit Interface

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: $6.32
212In Stock

Mfr. Part No.
TG92-2006N1LF

Mouser Part No
493-TG92-2006N1LF

HALO Electronics

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

Learn More

Datasheet

212In Stock

$6.32

$4.08

$3.33

$2.69

View

Min.: 1
Mult.: 1

LAN Isolation Transformers

Module

SMD/SMT

200 uH

1.5 kV

- 40 C

+ 85 C

Single

10 Base-T Interface

SMD-16

12.7 mm

7.11 mm

5.08 mm

TG-10BT

Tube

Audio Transformers / Signal Transformers MDL DUAL 100D 1:1 SMT TU PBC

100B-2002X
iNRCORE
1: $52.80
56In Stock

Mfr. Part No.
100B-2002X

Mouser Part No
673-100B-2002X

iNRCORE

Audio Transformers / Signal Transformers MDL DUAL 100D 1:1 SMT TU PBC

Datasheet

56In Stock

$52.80

$47.49

$42.60

$42.58

Quote

Min.: 1
Mult.: 1

100B

Tube

Audio Transformers / Signal Transformers MODEM TRANSFORMERS 75Ohm Prim. DCR 95Ohm sec

TTC-142-2
Tamura
1: $7.77
540In Stock

Mfr. Part No.
TTC-142-2

Mouser Part No
838-TTC-142-2

Tamura

Audio Transformers / Signal Transformers MODEM TRANSFORMERS 75Ohm Prim. DCR 95Ohm sec

Datasheet

540In Stock

$7.77

$6.60

$6.43

$6.16

View

Min.: 1
Mult.: 1

Telecom Transformers

600 Ohms

Wet Coupling

TTC

Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 0.01 - 150 MHz, 50?

T1-6-KK81+
Mini-Circuits
1: $12.51
14In Stock
100Expected 14/9/2026
New At Mouser

Mfr. Part No.
T1-6-KK81+

Mouser Part No
139-T1-6-KK81+

New At Mouser

Mini-Circuits

Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 0.01 - 150 MHz, 50?

Datasheet

14In Stock

100Expected 14/9/2026

Cut Tape

$12.51

$12.09

$11.75

$11.41

Reel

$11.40

MouseReel Available

Min.: 1
Mult.: 1

: 100

RF Transformers

SMD/SMT

10 kHz to 150 MHz

- 20 C

+ 85 C

7.62 mm

6.86 mm

5.84 mm

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers 1:4 CORE & WIRE Transformer, 0.02 - 250 MHz, 50?

T4-6T+
Mini-Circuits
1: $12.57
5In Stock

Mfr. Part No.
T4-6T+

Mouser Part No
139-T4-6T+

Mini-Circuits

Audio Transformers / Signal Transformers 1:4 CORE & WIRE Transformer, 0.02 - 250 MHz, 50?

Datasheet

5In Stock

$12.57

Min.: 1
Mult.: 1

RF Transformers

Transformer

SMD/SMT

20 kHz to 250 MHz

50 Ohms

- 20 C

+ 85 C

1 Channel

7.62 mm x 6.86 mm

Bulk

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

TC1.33-182X-75+
Mini-Circuits
1: $5.07
93In Stock
500Expected 14/12/2026

Mfr. Part No.
TC1.33-182X-75+

Mouser Part No
139-TC1.33-182X-75

Mini-Circuits

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

Learn More

Datasheet

93In Stock

500Expected 14/12/2026

Cut Tape

$5.07

$3.52

$2.86

$2.60

Reel

$2.60

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC1.33

Reel, Cut Tape, MouseReel

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

TC3-1TG2+
Mini-Circuits
1: $5.89
120In Stock

Mfr. Part No.
TC3-1TG2+

Mouser Part No
139-TC3-1TG2

Mini-Circuits

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

Datasheet

120In Stock

Cut Tape

$5.89

$4.30

$3.66

$3.28

Reel

$3.18

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC3

Reel, Cut Tape, MouseReel

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

TC4-11X+
Mini-Circuits
1: $6.09
305In Stock

Mfr. Part No.
TC4-11X+

Mouser Part No
139-TC4-11X

Mini-Circuits

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

Datasheet

305In Stock

Cut Tape

$6.09

$4.30

$3.75

Reel

$3.75

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC4

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers

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Company

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Support

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

10 Base-T
10 Base-T Interface
100 Base-T
100 Base-T PoE
100 Base-TX
100 Base-TX PoE
1000 Base-T
1000 Base-T PoE
1000 Base-T PoE Plus
64 KBPS
10/100 Base-T
10/100 Base-T Broadband
10/100 Base-T PoE
10/100 Base-T, AutoMDIX
10/100 Base-T, Power over Ethernet (PoE+)
10/100 Base-TX
10/100 Base-TX AEC-Q200
10/100 Base-TX Interface
10/100 Base-TX PoE Interface
10/100 Base-TX PoE+ Interface

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