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Audio Transformers / Signal Transformers

Audio Transformers & Signal Transformers are available at Mouser 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 1:1 CORE & WIRE Transformer, 0.004 - 300 MHz, 50?

TT1-6+
Mini-Circuits
1: £8.59
40On Order

Mfr. Part No.
TT1-6+

Mouser Part No
139-TT1-6+

Mini-Circuits

Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 0.004 - 300 MHz, 50?

Datasheet

40On Order

£8.59

Min.: 1
Mult.: 1

RF Transformers

Transformer

SMD/SMT

4 kHz to 300 MHz

50 Ohms

- 20 C

+ 85 C

1 Channel

W38

7.62 mm

6.86 mm

5.84 mm

TT1

Tube

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

TD10-1205ALF
HALO Electronics
1: £4.24
411In Stock

Mfr. Part No.
TD10-1205ALF

Mouser Part No
493-TD10-1205ALF

HALO Electronics

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

Learn More

Datasheet

411In Stock

£4.24

£2.74

£2.24

£1.81

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 T1/E1 ISO MOD THT 6Pin 1:1.36CT 1Ch

TD70-1205ALF
HALO Electronics
1: £4.24
38In Stock

Mfr. Part No.
TD70-1205ALF

Mouser Part No
493-TD70-1205ALF

HALO Electronics

Audio Transformers / Signal Transformers T1/E1 ISO MOD THT 6Pin 1:1.36CT 1Ch

Learn More

Datasheet

38In Stock

£4.24

£2.74

£2.24

£1.81

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 ETHERNET BACKPLANE 32P ISO MOD SMD

TG110-BP01NURL
HALO Electronics
1: £11.51
160In Stock

Mfr. Part No.
TG110-BP01NURL

Mouser Part No
493-TG110-BP01NURL

HALO Electronics

Audio Transformers / Signal Transformers ETHERNET BACKPLANE 32P ISO MOD SMD

Learn More

Datasheet

160In Stock

£11.51

£3.49

Min.: 1
Mult.: 1

LAN Isolation Transformers

TG110-BP

Tube

Audio Transformers / Signal Transformers SMD ISOLATION MODULE

TG1G-S001NZLF
HALO Electronics
1: £10.09
5In Stock
896On Order

Mfr. Part No.
TG1G-S001NZLF

Mouser Part No
493-TG1G-S001NZLF

HALO Electronics

Audio Transformers / Signal Transformers SMD ISOLATION MODULE

Datasheet

5In Stock

896On Order

£10.09

£6.51

£5.32

£4.30

View

Min.: 1
Mult.: 1

Isolation Transformers

Tube

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

TG70-1205NSRL
HALO Electronics
1: £4.48
506In Stock

Mfr. Part No.
TG70-1205NSRL

Mouser Part No
493-TG70-1205NSRL

HALO Electronics

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

Learn More

Datasheet

506In Stock

£4.48

£2.88

£2.36

£1.90

View

Min.: 1
Mult.: 1

LAN 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 SMD ISOLATION MODULE

TGP3-S005EP7LFTR
HALO Electronics
1: £5.28
297In Stock

Mfr. Part No.
TGP3-S005EP7LFTR

Mouser Part No
493-TGP3-S005EP7LFTR

HALO Electronics

Audio Transformers / Signal Transformers SMD ISOLATION MODULE

Datasheet

297In Stock

Cut Tape

£5.28

£3.42

£2.79

£2.25

Reel

£1.89

View

Min.: 1
Mult.: 1

: 300

Isolation Transformers

Reel, Cut Tape

Audio Transformers / Signal Transformers Balun,1:2TxLine,20-4000MHz,Ceramic,SM22

MABA-011100
MACOM
1: £4.87
38In Stock
6,000On Order

Mfr. Part No.
MABA-011100

Mouser Part No
937-MABA-011100

MACOM

Audio Transformers / Signal Transformers Balun,1:2TxLine,20-4000MHz,Ceramic,SM22

Datasheet

38In Stock

6,000On Order

£4.87

£4.21

£4.04

£3.92

View

Min.: 1
Mult.: 1

Baluns

SMD/SMT

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

TC4-13TX+
Mini-Circuits
1: £3.74
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

£3.74

£2.76

£2.37

£2.26

Reel

£2.26

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC4

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: £2.17
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

£2.17

£2.06

£2.04

Reel

£2.04

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: £4.38
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

£4.38

£2.83

£2.31

£1.87

View

Min.: 1
Mult.: 1

LAN Isolation Transformers

Module

Through Hole

100 uH

1.5 kV

0 C

+ 70 C

Dual

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: £4.71
399In 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

399In Stock

Cut Tape

£4.71

£3.05

£2.49

£2.02

View

Reel

£1.25

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: £5.19
74In 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

74In Stock

Cut Tape

£5.19

£4.03

£3.88

£3.75

Reel

£3.35

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 RF XFMR / SURF MOUNT / RoHS

ADTT1.5-1+
Mini-Circuits
1: £4.91
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

£4.91

Reel

£4.91

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: £5.45
70In 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

70In Stock

Cut Tape

£5.45

£5.13

£4.96

£4.84

Reel

£4.84

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: £3.25
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

£3.25

£2.37

£2.02

£1.94

Reel

£1.94

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: £2.92
219In Stock

Mfr. Part No.
TC8-1G2+

Mouser Part No
139-TC8-1G2

Mini-Circuits

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

Datasheet

219In Stock

Cut Tape

£2.92

£2.06

£1.69

£1.55

Reel

£1.55

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: £2.55
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

£2.55

£1.69

£1.34

£1.26

Reel

£1.26

MouseReel Available

Min.: 1
Mult.: 1

: 500

TCML1

Reel, Cut Tape, MouseReel

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

TG04-1505NSRL
HALO Electronics
1: £4.99
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

£4.99

£3.25

£2.65

£2.14

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: £10.80
13In 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

13In Stock

Cut Tape

£10.80

£6.97

£5.68

£4.59

Reel

£3.86

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: £10.61
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

£10.61

£6.84

£5.58

£4.51

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

SMD-24

17.78 mm

12.19 mm

5.84 mm

TG1G

Tube

Audio Transformers / Signal Transformers 2.5GBaseT PoE+ 1Port 60W 600mA Nano

TG2G-HPE3NYNLF
HALO Electronics
1: £15.60
111In Stock

Mfr. Part No.
TG2G-HPE3NYNLF

Mouser Part No
493-TG2G-HPE3NYNLF

HALO Electronics

Audio Transformers / Signal Transformers 2.5GBaseT PoE+ 1Port 60W 600mA Nano

Datasheet

111In Stock

£15.60

£10.07

£7.33

£5.59

View

Min.: 1
Mult.: 1

PoE Isolation Transformers

Module

SMD/SMT

1500 Vrms

- 40 C

+ 85 C

Quad

SMD-24

14.22 mm

7.62 mm

8.64 mm

Nano2.5G

Tube

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

TG92-2006N1LF
HALO Electronics
1: £4.38
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

£4.38

£2.83

£2.31

£1.87

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 1:2 CORE & WIRE Transformer, 5 - 120 MHz, 50?

T2-1-2W-KK81+
Mini-Circuits
1: £7.34
17In Stock
100Expected 19/10/2026
New At Mouser

Mfr. Part No.
T2-1-2W-KK81+

Mouser Part No
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 19/10/2026

£7.34

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: £7.63
5In Stock

Mfr. Part No.
T4-6T-X65+

Mouser Part No
139-T4-6T-X65

Mini-Circuits

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

Datasheet

5In Stock

£7.63

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

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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