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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 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

$4.20

$4.11

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 100BaseTX SMD NonPoE 350uH .65Ohms 1-Por

HX1260FNL
Pulse Electronics
1: $3.28
638In Stock
NRND

Mfr. Part No.
HX1260FNL

Mouser Part No
673-HX1260FNL

NRND

Pulse Electronics

Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH .65Ohms 1-Por

Learn More

Datasheet

638In Stock

$3.28

$3.13

$3.04

$2.74

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 SMD Digital Audio 2500uH 1-Port

PE-65812FNLT
Pulse Electronics
1: $4.74
1,995In Stock
NRND

Mfr. Part No.
PE-65812FNLT

Mouser Part No
673-PE-65812FNLT

NRND

Pulse Electronics

Audio Transformers / Signal Transformers SMD Digital Audio 2500uH 1-Port

Datasheet

1,995In Stock

Cut Tape

$4.74

$4.05

$3.88

$3.76

Reel

$3.65

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

Telecom Transformers

Module

SMD/SMT

100 kHz to 30 MHz

2 kV

0 C

+ 70 C

Single

14.37 mm

12.07 mm

8.64 mm

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH .65Ohms 1-Por

H1260FNL
Pulse Electronics
1: $4.48
796In Stock
NRND

Mfr. Part No.
H1260FNL

Mouser Part No
673-H1260FNL

NRND

Pulse Electronics

Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH .65Ohms 1-Por

Learn More

Datasheet

796In Stock

$4.48

$4.17

$4.09

$3.92

View

Min.: 1
Mult.: 1

LAN Transformers

Module

SMD/SMT

100 kHz to 100 MHz

350 uH

1.5 kV

0 C

+ 70 C

Single

SMT

12.7 mm

9.53 mm

6 mm

Tube

Audio Transformers / Signal Transformers 1000Base-T NonPoE 1-Port SMD 350uH

HX5062FNL
Pulse Electronics
1: $4.85
600In Stock
NRND

Mfr. Part No.
HX5062FNL

Mouser Part No
673-HX5062FNL

NRND

Pulse Electronics

Audio Transformers / Signal Transformers 1000Base-T NonPoE 1-Port SMD 350uH

Learn More

Datasheet

600In Stock

$4.85

$4.48

Min.: 1
Mult.: 1

LAN Transformers

Module

SMD/SMT

1 MHz to 100 MHz

350 uH

1.5 kV

- 40 C

+ 85 C

Single

17.53 mm

16 mm

5.715 mm

Tube

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
467In 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

467In 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 RF XFMR / SURF MOUNT / RoHS

ADT4-1T+
Mini-Circuits
Restricted Availability

Mfr. Part No.
ADT4-1T+

Mouser Part No
139-ADT4-1T

Mini-Circuits

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

Datasheet

Restricted Availability

RF Transformers

SMD/SMT

9 MHz to 625 MHz

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

ADT4

Reel, Cut Tape, MouseReel

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

TC1-1-43A+
Mini-Circuits
Restricted Availability

Mfr. Part No.
TC1-1-43A+

Mouser Part No
139-TC1-1-43A

Mini-Circuits

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

Learn More

Datasheet

Restricted Availability

RF Transformers

SMD/SMT

650 MHz to 4 GHz

50 Ohms

- 40 C

+ 85 C

Single

3.81 mm x 3.81 mm x 4.06 mm

3.81 mm

4.06 mm

TC1

Reel, Cut Tape, MouseReel

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

TC1-15+
Mini-Circuits
Restricted Availability

Mfr. Part No.
TC1-15+

Mouser Part No
139-TC1-15

Mini-Circuits

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

Learn More

Datasheet

Restricted Availability

TC1

Reel, Cut Tape, MouseReel

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

TCM2-1T+
Mini-Circuits
Restricted Availability

Mfr. Part No.
TCM2-1T+

Mouser Part No
139-TCM2-1T

Mini-Circuits

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

Learn More

Datasheet

Restricted Availability

RF Transformers

SMD/SMT

3 MHz to 300 MHz

50 Ohms

- 20 C

+ 85 C

Single

4.06 mm x 3.81 mm x 4.06 mm

4.06 mm

3.81 mm

4.06 mm

TCM2

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers 1:2.78 CORE & WIRE Transformer, 40 - 1250 MHz, 75 Ohm

TRS278-122-75+
Mini-Circuits
Restricted Availability

Mfr. Part No.
TRS278-122-75+

Mouser Part No
139-TRS278-122-75+

Mini-Circuits

Audio Transformers / Signal Transformers 1:2.78 CORE & WIRE Transformer, 40 - 1250 MHz, 75 Ohm

Learn More

Datasheet

Restricted Availability

RF Transformers

SMD/SMT

40 MHz to 1.25 GHz

- 40 C

+ 65 C

Single

7.11 mm

6.35 mm

4.19 mm

TRS278

Reel, Cut Tape, MouseReel

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