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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 10/100BASE-TX SMD POE DUAL PORT 350mA 1CT:1CT -40 / 85C 350uH 1500Vrms

TG110-RPE12NJLF
HALO Electronics
1: $26.95
17In Stock
New At Mouser

Mfr. Part No.
TG110-RPE12NJLF

Mouser Part No
493-TG110-RPE12NJLF

New At Mouser

HALO Electronics

Audio Transformers / Signal Transformers 10/100BASE-TX SMD POE DUAL PORT 350mA 1CT:1CT -40 / 85C 350uH 1500Vrms

17In Stock

$26.95

$19.25

$16.17

$13.47

View

Min.: 1
Mult.: 1

TG110

Tube

Audio Transformers / Signal Transformers GIGABIT ISO MOD SMD 24P Lw Prfl 1 Port

TG111-S001J24RL
HALO Electronics
1: $19.41
72In Stock

Mfr. Part No.
TG111-S001J24RL

Mouser Part No
493-TG111-S001J24RL

HALO Electronics

Audio Transformers / Signal Transformers GIGABIT ISO MOD SMD 24P Lw Prfl 1 Port

Learn More

Datasheet

72In Stock

$19.41

$12.54

$10.22

$8.27

View

Min.: 1
Mult.: 1

LAN Isolation Transformers

Module

SMD/SMT

350 uH

1.5 kV

0 C

+ 70 C

Dual

SMD-24

13.21 mm

12.19 mm

3.76 mm

TG1G

Tube

Audio Transformers / Signal Transformers T1/E1 ISO MOD SMD GullWing 16P Dual Ch

TG74-1505N1RLTR
HALO Electronics
1: $7.48
214In Stock
1,000Expected 2027/01/01

Mfr. Part No.
TG74-1505N1RLTR

Mouser Part No
493-TG74-1505N1RLTR

HALO Electronics

Audio Transformers / Signal Transformers T1/E1 ISO MOD SMD GullWing 16P Dual Ch

Learn More

Datasheet

214In Stock

1,000Expected 2027/01/01

Cut Tape

$7.48

$4.85

$3.95

$3.19

Reel

$2.23

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Isolation Transformers

Module

SMD/SMT

1.5 mH

1.5 kV

- 40 C

+ 85 C

Dual

SMD-16

12.7 mm

7.11 mm

5.08 mm

SMD-T1

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers T1/E1 Duet ISO MOD SMD 24P Dual Port

TG74-1505NZRL
HALO Electronics
1: $14.70
320In Stock

Mfr. Part No.
TG74-1505NZRL

Mouser Part No
493-TG74-1505NZRL

HALO Electronics

Audio Transformers / Signal Transformers T1/E1 Duet ISO MOD SMD 24P Dual Port

Learn More

Datasheet

320In Stock

$14.70

$9.47

$7.72

$6.26

View

Min.: 1
Mult.: 1

Isolation Transformers

Module

SMD/SMT

500 nH

1.5 kV

Dual

SMD-24

17.78 mm

12.19 mm

5.84 mm

SMD-T1

Tube

Audio Transformers / Signal Transformers WE-DSL VDSL 700uH +-10%

750510348
Wurth Elektronik
1: $4.76
92In Stock

Mfr. Part No.
750510348

Mouser Part No
710-750510348

Wurth Elektronik

Audio Transformers / Signal Transformers WE-DSL VDSL 700uH +-10%

Learn More

Datasheet

92In Stock

Cut Tape

$4.76

$4.70

$4.41

$3.97

Reel

$3.97

View

MouseReel Available

Min.: 1
Mult.: 1

: 350

VDSL Transformers

VDSL

SMD/SMT

20 kHz to 30 MHz

700 uH

1.875 kVAC

- 40 C

+ 85 C

Dual

9.78 mm x 9.14 mm x 10.54 mm

9.78 mm

9.14 mm

10.54 mm

MID-DSLIKN

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers 100uH 9pF 260mOhm 3000VAC AEC-Q200

B78308A2387A003
TDK
1: $5.93
184In Stock

Mfr. Part No.
B78308A2387A003

Mouser Part No
871-B78308A2387A003

TDK

Audio Transformers / Signal Transformers 100uH 9pF 260mOhm 3000VAC AEC-Q200

Learn More

Datasheet

184In Stock

Cut Tape

$5.93

$4.57

$4.38

$4.26

Reel

$3.40

View

MouseReel Available

Min.: 1
Mult.: 1

: 190

Signal Transformers

SMD/SMT

100 kHz to 400 kHz

100 uH

- 40 C

+ 150 C

12.9 mm

11 mm

11.4 mm

E13 EMHV

AEC-Q200

Reel, Cut Tape, MouseReel

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

T4-6T+
Mini-Circuits
1: $9.25
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

$9.25

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: $3.73
93In Stock
500Expected 2026/12/14

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 2026/12/14

Cut Tape

$3.73

$2.59

$2.11

$1.91

Reel

$1.91

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: $4.33
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

$4.33

$3.16

$2.69

$2.41

Reel

$2.35

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: $4.48
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

$4.48

$3.16

$2.76

Reel

$2.76

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC4

Reel, Cut Tape, MouseReel

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

TT1-6+
Mini-Circuits
1: $11.44
45On 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

45On Order

$11.44

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: $5.65
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

$5.65

$3.65

$2.99

$2.41

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: $5.65
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

$5.65

$3.65

$2.99

$2.41

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: $15.33
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

$15.33

$4.65

Min.: 1
Mult.: 1

LAN Isolation Transformers

TG110-BP

Tube

Audio Transformers / Signal Transformers SMD ISOLATION MODULE

TG1G-S001NZLF
HALO Electronics
1: $13.44
5In Stock
476Expected 2027/02/12

Mfr. Part No.
TG1G-S001NZLF

Mouser Part No
493-TG1G-S001NZLF

HALO Electronics

Audio Transformers / Signal Transformers SMD ISOLATION MODULE

Datasheet

5In Stock

476Expected 2027/02/12

$13.44

$8.68

$7.08

$5.72

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: $5.97
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

$5.97

$3.84

$3.14

$2.54

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: $7.04
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

$7.04

$4.56

$3.72

$3.00

Reel

$2.52

View

Min.: 1
Mult.: 1

: 300

Isolation Transformers

Reel, Cut Tape

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

FT-1.5-1*C16+
Mini-Circuits
1: $71.77
1In Stock
10Expected 2026/10/19

Mfr. Part No.
FT-1.5-1*C16+

Mouser Part No
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 2026/10/19

$71.77

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: $5.69
108In Stock
New At Mouser

Mfr. Part No.
T1-1-X65+

Mouser Part No
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

$5.69

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: $3.35
355In Stock

Mfr. Part No.
TC1-1T-75X+

Mouser Part No
139-TC1-1T-75X

Mini-Circuits

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

Learn More

Datasheet

355In Stock

Cut Tape

$3.35

$2.20

$1.71

$1.67

Reel

$1.67

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: $3.50
88In Stock

Mfr. Part No.
TC4-122-75X+

Mouser Part No
139-TC4-122-75X

Mini-Circuits

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

Datasheet

88In Stock

Cut Tape

$3.50

$2.38

$1.86

$1.79

Reel

$1.71

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: $3.68
162In Stock

Mfr. Part No.
TC4-1W-7A+

Mouser Part No
139-TC4-1W-7A

Mini-Circuits

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

Datasheet

162In Stock

Cut Tape

$3.68

$2.54

$2.04

$1.95

Reel

$1.86

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: $3.68
45In Stock

Mfr. Part No.
TCM3-1T+

Mouser Part No
139-TCM3-1T

Mini-Circuits

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

Learn More

Datasheet

45In Stock

Cut Tape

$3.68

$2.54

$1.86

Reel

$1.86

MouseReel Available

Min.: 1
Mult.: 1

: 500

TCM3

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers SMD ISOLATION MODULE

TG01-FC07N1LF
HALO Electronics
1: $11.05
271In Stock

Mfr. Part No.
TG01-FC07N1LF

Mouser Part No
493-TG01-FC07N1LF

HALO Electronics

Audio Transformers / Signal Transformers SMD ISOLATION MODULE

Datasheet

271In Stock

$11.05

$7.13

$5.83

$4.71

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: $5.97
522In Stock

Mfr. Part No.
TG02-1205NSRL

Mouser Part No
493-TG02-1205NSRL

HALO Electronics

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

Learn More

Datasheet

522In Stock

$5.97

$3.84

$3.14

$2.54

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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Amphenol
Bel
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10 / 100 Base-TX
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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
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600 nH
700 nH
800 nH
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1 uH, 342 uH
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2.925 uH, 5.85 uH
3.75 uH
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5 uH
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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
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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
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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