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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

TCM3-452X+
Mini-Circuits
Restricted Availability

Mfr. Part No.
TCM3-452X+

Mouser Part No
139-TCM3-452X

Mini-Circuits

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

Learn More

Datasheet

Restricted Availability

TCM3

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers SMD ISOLATION MODULE

TG111-E032NYLF
HALO Electronics
1: $6.15
663In Stock

Mfr. Part No.
TG111-E032NYLF

Mouser Part No
493-TG111-E032NYLF

HALO Electronics

Audio Transformers / Signal Transformers SMD ISOLATION MODULE

Datasheet

663In Stock

$6.15

$5.62

$5.51

$5.23

View

Min.: 1
Mult.: 1

Isolation Transformers

Tube

Audio Transformers / Signal Transformers 2.5GBaseT 4PPoE 90W 1A 0.4mOhm 1Port

TG2G-HPE10NZ5LF
HALO Electronics
1: $7.41
655In Stock

Mfr. Part No.
TG2G-HPE10NZ5LF

Mouser Part No
493-TG2G-HPE10NZ5LF

HALO Electronics

Audio Transformers / Signal Transformers 2.5GBaseT 4PPoE 90W 1A 0.4mOhm 1Port

Learn More

Datasheet

655In Stock

$7.41

$5.77

$5.72

$5.66

$5.64

Min.: 1
Mult.: 1

PoE Isolation Transformers

Module

SMD/SMT

1500 Vrms

- 40 C

+ 85 C

Quad

SMD-24

18.33 mm

16.38 mm

6.48 mm

2.5G/5G BASE-T

Tube

Audio Transformers / Signal Transformers 1KHz 66ohm 10% line matching trans

LM-NP-1002L
Bourns
1: $7.77
513In Stock

Mfr. Part No.
LM-NP-1002L

Mouser Part No
652-LM-NP-1002L

Bourns

Audio Transformers / Signal Transformers 1KHz 66ohm 10% line matching trans

Learn More

Datasheet

513In Stock

$7.77

$6.69

$5.55

$5.36

View

Min.: 1
Mult.: 1

Signal Transformers

Pin Terminal Transformers

Radial

200 Hz to 3.5 kHz

600 Ohms

- 10 C

+ 60 C

Single

17.7 mm

12.6 mm

Bulk

Audio Transformers / Signal Transformers LINE MATCHING TRANS

LM-NP-1003L
Bourns
1: $7.77
900In Stock

Mfr. Part No.
LM-NP-1003L

Mouser Part No
652-LM-NP-1003L

Bourns

Audio Transformers / Signal Transformers LINE MATCHING TRANS

Learn More

Datasheet

900In Stock

$7.77

$6.69

$6.42

$6.21

View

Min.: 1
Mult.: 1

Signal Transformers

Pin Terminal Transformers

Radial

200 Hz to 3.5 kHz

600 Ohms

- 10 C

+ 60 C

Single

17.7 mm

12.6 mm

Tube

Audio Transformers / Signal Transformers 1KHz 90ohm 10%

LM-NP-1005L
Bourns
1: $7.77
421In Stock

Mfr. Part No.
LM-NP-1005L

Mouser Part No
652-LM-NP-1005L

Bourns

Audio Transformers / Signal Transformers 1KHz 90ohm 10%

Learn More

Datasheet

421In Stock

$7.77

$6.69

$5.55

$5.36

View

Min.: 1
Mult.: 1

Signal Transformers

Pin Terminal Transformers

Radial

200 Hz to 3.5 kHz

600 Ohms

- 10 C

+ 60 C

Single

17.7 mm

12.6 mm

Tube

Audio Transformers / Signal Transformers 1:1.33 transmission line transformer

MABA-011010
MACOM
1: $3.20
1,349In Stock

Mfr. Part No.
MABA-011010

Mouser Part No
937-MABA-011010

MACOM

Audio Transformers / Signal Transformers 1:1.33 transmission line transformer

Datasheet

1,349In Stock

Cut Tape

$3.20

$2.90

$2.63

$2.47

Reel

$2.13

View

Min.: 1
Mult.: 1

: 2,000

Baluns

SMD/SMT

5 MHz to 1.2 GHz

75 Ohms

- 40 C

+ 85 C

Single

4.21 mm

2.31 mm

Reel, Cut Tape

Audio Transformers / Signal Transformers 500-3000MHz IL 3dB Impedance Ratio 1:4

MABA-007236-C16423
MACOM
1: $2.70
7,082In Stock

Mfr. Part No.
MABA-007236-C16423

Mouser Part No
937-MABA007236C16423

MACOM

Audio Transformers / Signal Transformers 500-3000MHz IL 3dB Impedance Ratio 1:4

Datasheet

7,082In Stock

Cut Tape

$2.70

$2.33

$2.24

$2.09

Reel

$1.66

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

RF Transformers

SMD/SMT

500 MHz to 3 GHz

50 Ohms

- 40 C

+ 85 C

Single

SM-22-5

3.81 mm

2.67 mm

MABA

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers 1.0-350MHz IL 3dB Impedance Ratio 1:4

MABA-007237-ETC410
MACOM
1: $4.13
1,386In Stock

Mfr. Part No.
MABA-007237-ETC410

Mouser Part No
937-MABA007237ETC410

MACOM

Audio Transformers / Signal Transformers 1.0-350MHz IL 3dB Impedance Ratio 1:4

Datasheet

1,386In Stock

Cut Tape

$4.13

$3.17

$2.35

$2.16

Reel

$1.76

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

RF Transformers

SMD/SMT

1 MHz to 350 MHz

50 Ohms

- 40 C

+ 85 C

Single

SM-22-5

3.81 mm

2.67 mm

MABA

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers Transformer, 4:1 Flux Coupled, 1-350MHz

MABA-007493-CF4160
MACOM
1: $3.20
1,723In Stock

Mfr. Part No.
MABA-007493-CF4160

Mouser Part No
937-MABA007493CF4160

MACOM

Audio Transformers / Signal Transformers Transformer, 4:1 Flux Coupled, 1-350MHz

Datasheet

1,723In Stock

Cut Tape

$3.20

$2.90

$2.63

$2.47

Reel

$2.13

View

Min.: 1
Mult.: 1

: 2,000

SMD/SMT

Reel, Cut Tape

Audio Transformers / Signal Transformers LAN XFMR 10/100 BASE-T SINGLE

TM1102NL
Taoglas
1: $1.84
1,175In Stock

Mfr. Part No.
TM1102NL

Mouser Part No
960-TM1102NL

Taoglas

Audio Transformers / Signal Transformers LAN XFMR 10/100 BASE-T SINGLE

Learn More

Datasheet

1,175In Stock

Cut Tape

$1.84

$1.39

$1.34

$1.14

Reel

$0.941

View

MouseReel Available

Min.: 1
Mult.: 1

: 650

LAN Transformers

LAN Transformer

SMD/SMT

350 uH

0 C

+ 70 C

12.85 mm

9.4 mm

5.75 mm

Exos

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers LAN XFMR 10/100 BASE-T QUAD

TM1234NL
Taoglas
1: $3.36
600In Stock

Mfr. Part No.
TM1234NL

Mouser Part No
960-TM1234NL

Taoglas

Audio Transformers / Signal Transformers LAN XFMR 10/100 BASE-T QUAD

Learn More

Datasheet

600In Stock

Cut Tape

$3.36

$2.63

$2.47

$2.23

Reel

$1.89

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

LAN Transformers

LAN Transformer

SMD/SMT

350 uH

- 40 C

+ 85 C

28.1 mm

16 mm

5.72 mm

Exos

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers LAN XFMR 1G BASE-T SINGLE

TM5007NL
Taoglas
1: $3.69
632In Stock

Mfr. Part No.
TM5007NL

Mouser Part No
960-TM5007NL

Taoglas

Audio Transformers / Signal Transformers LAN XFMR 1G BASE-T SINGLE

Learn More

Datasheet

632In Stock

Cut Tape

$3.69

$2.89

$2.80

$2.58

Reel

$2.42

View

MouseReel Available

Min.: 1
Mult.: 1

: 350

LAN Transformers

LAN Transformer

SMD/SMT

350 uH

0 C

+ 70 C

18.15 mm

15.9 mm

5.7 mm

Exos

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers 100Base-TX SMD PoE 350uH .75Ohms 1-Port

HX2019FNL
Pulse Electronics
1: $5.92
1,250In Stock
NRND

Mfr. Part No.
HX2019FNL

Mouser Part No
673-HX2019FNL

NRND

Pulse Electronics

Audio Transformers / Signal Transformers 100Base-TX SMD PoE 350uH .75Ohms 1-Port

Learn More

Datasheet

1,250In Stock

$5.92

$4.95

$4.79

$4.37

View

Min.: 1
Mult.: 1

LAN Transformers

Module

SMD/SMT

100 kHz to 100 MHz

350 uH

1.5 kV

- 40 C

+ 85 C

Single

SMT

12.7 mm

9.53 mm

6 mm

Tube

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

ADT1.5-122+
Mini-Circuits
Restricted Availability

Mfr. Part No.
ADT1.5-122+

Mouser Part No
139-ADT1.5-122

Mini-Circuits

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

Datasheet

Restricted Availability

RF Transformers

SMD/SMT

20 MHz to 1.2 GHz

50 Ohms

- 20 C

+ 85 C

Single

7.87 mm x 5.59 mm x 2.84 mm

7.87 mm

5.59 mm

2.84 mm

ADT1.5

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers 1:1.5 CORE & WIRE Transformer, DC - 2300 MHz, 50/75?

Z7550-FFNM+
Mini-Circuits
Restricted Availability

Mfr. Part No.
Z7550-FFNM+

Mouser Part No
139-Z7550-FFNM+

Mini-Circuits

Audio Transformers / Signal Transformers 1:1.5 CORE & WIRE Transformer, DC - 2300 MHz, 50/75?

Datasheet

Restricted Availability

Z7550

Tray

Audio Transformers / Signal Transformers 10/100BASE-TX SMD AEC-Q200 16P 1-Port

TG110-AE050N5LFTR
HALO Electronics
1: $3.24
4,713In Stock

Mfr. Part No.
TG110-AE050N5LFTR

Mouser Part No
493-TG110AE050N5LFTR

HALO Electronics

Audio Transformers / Signal Transformers 10/100BASE-TX SMD AEC-Q200 16P 1-Port

Datasheet

4,713In Stock

Cut Tape

$3.24

$3.11

$3.02

$2.92

$2.81

Reel

$2.20

MouseReel Available

Min.: 1
Mult.: 1

: 700

LAN Isolation Transformers

Module

SMD/SMT

350 uH

1.5 kV

- 40 C

+ 85 C

Single

SMD-16

12.7 mm

7.11 mm

6.35 mm

AE050

AEC-Q200

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers 10/100BASE-TX SMD AEC-Q200 16P 1-Port

TG110-AEX50N5LFTR
HALO Electronics
1: $3.45
1,186In Stock

Mfr. Part No.
TG110-AEX50N5LFTR

Mouser Part No
493-TG110AEX50N5LFTR

HALO Electronics

Audio Transformers / Signal Transformers 10/100BASE-TX SMD AEC-Q200 16P 1-Port

Learn More

Datasheet

Product Comments

1,186In Stock

Cut Tape

$3.45

$3.31

$3.21

$3.11

Reel

$2.74

View

MouseReel Available

Min.: 1
Mult.: 1

: 700

LAN Isolation Transformers

Module

SMD/SMT

350 uH

1.5 kV

- 40 C

+ 125 C

Single

SMD-16

12.7 mm

7.11 mm

6.35 mm

AEX50

AEC-Q200

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers WE-LAN AQ 10/100BasT 4PPoE 180uH 1500Vrms

749013310
Wurth Elektronik
1: $4.99
1,600In Stock

Mfr. Part No.
749013310

Mouser Part No
710-749013310

Wurth Elektronik

Audio Transformers / Signal Transformers WE-LAN AQ 10/100BasT 4PPoE 180uH 1500Vrms

Learn More

Datasheet

1,600In Stock

Cut Tape

$4.99

$4.68

$4.27

$3.97

Reel

$3.09

View

MouseReel Available

Min.: 1
Mult.: 1

: 800

LAN Transformers

LAN

SMD/SMT

180 uH

1.5 kV

- 40 C

+ 85 C

12.7 mm

8.67 mm

4 mm

WE-LANAQ

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers WE-LAN 10/100BaseT nonPoE 350uH 2500Vrm

7490140117C
Wurth Elektronik
1: $5.97
2,134In Stock

Mfr. Part No.
7490140117C

Mouser Part No
710-7490140117C

Wurth Elektronik

Audio Transformers / Signal Transformers WE-LAN 10/100BaseT nonPoE 350uH 2500Vrm

Learn More

Datasheet

2,134In Stock

Cut Tape

$5.97

$4.94

$4.93

$4.27

View

Reel

$4.00

MouseReel Available

Min.: 1
Mult.: 1

: 750

LAN Transformers

LAN

SMD/SMT

350 uH

2.5 kV

- 40 C

+ 105 C

12.7 mm

8.8 mm

5.7 mm

WE-LAN

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers WE-LAN 10/100BaseT nonPoE 350uH 4500Vrm

7490140123B
Wurth Elektronik
1: $11.94
764In Stock

Mfr. Part No.
7490140123B

Mouser Part No
710-7490140123B

Wurth Elektronik

Audio Transformers / Signal Transformers WE-LAN 10/100BaseT nonPoE 350uH 4500Vrm

Learn More

Datasheet

764In Stock

Cut Tape

$11.94

$9.96

$9.06

$8.70

Reel

$8.23

MouseReel Available

Min.: 1
Mult.: 1

: 300

LAN Transformers

LAN

SMD/SMT

350 uH

4.5 kV

- 40 C

+ 85 C

17.1 mm

14.75 mm

8.4 mm

WE-LAN

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers THROUGH HOLE 10KCT:2KCT

MET-11
Tamura
1: $12.71
536In Stock

Mfr. Part No.
MET-11

Mouser Part No
838-MET-11

Tamura

Audio Transformers / Signal Transformers THROUGH HOLE 10KCT:2KCT

Datasheet

536In Stock

$12.71

$10.61

$10.28

$9.94

View

Min.: 1
Mult.: 1

Audio Transformers

Terminals

300 Hz to 100 kHz

10 kOhms

2 kOhms

500 V

- 20 C

+ 85 C

10.4 mm

7.87 mm

11.8 mm

MET

Tube

Audio Transformers / Signal Transformers THROUGH HOLE 1K:50 3.0MADC

MET-28
Tamura
1: $11.32
346In Stock

Mfr. Part No.
MET-28

Mouser Part No
838-MET-28

Tamura

Audio Transformers / Signal Transformers THROUGH HOLE 1K:50 3.0MADC

Datasheet

346In Stock

$11.32

$10.49

$9.97

$9.67

View

Min.: 1
Mult.: 1

Audio Transformers

Terminals

300 Hz to 100 kHz

1 kOhms

50 Ohms

500 V

- 20 C

+ 85 C

10.4 mm

7.87 mm

11.8 mm

MET

Tube

Audio Transformers / Signal Transformers MODEM TRANSFORMERS 108Ohm Prim. DCR 120Ohm sec

TTC-264
Tamura
1: $5.69
652In Stock
1,188Expected 08/12/2026

Mfr. Part No.
TTC-264

Mouser Part No
838-TTC-264

Tamura

Audio Transformers / Signal Transformers MODEM TRANSFORMERS 108Ohm Prim. DCR 120Ohm sec

Datasheet

652In Stock

1,188Expected 08/12/2026

$5.69

$5.67

$4.46

$4.06

View

Min.: 1
Mult.: 1

Telecom Transformers

600 Ohms

470 Ohms

TTC

Tube

Audio Transformers / Signal Transformers SMD ISOLATION MODULE

TG111-E112NYLF
HALO Electronics
1: $7.15
929In Stock

Mfr. Part No.
TG111-E112NYLF

Mouser Part No
493-TG111-E112NYLF

HALO Electronics

Audio Transformers / Signal Transformers SMD ISOLATION MODULE

Datasheet

929In Stock

$7.15

$6.56

$5.98

$5.61

View

Min.: 1
Mult.: 1

Isolation Transformers

Tube

Audio Transformers / Signal Transformers

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10 Hz to 30 kHz
20 Hz to 20 kHz
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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
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60 nH
100 nH
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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