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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 POE30P Flyback PoE 3uH 12 V 0.25 A

POE30P-12LD
Coilcraft
1: $4.44
2,509In Stock

Mfr. Part #
POE30P-12LD

Mouser Part #
994-POE30P-12LD

Coilcraft

Audio Transformers / Signal Transformers POE30P Flyback PoE 3uH 12 V 0.25 A

Learn More

Datasheet

2,509In Stock

Cut Tape

$4.44

$3.36

$3.23

Reel

$2.74

$2.65

$2.58

MouseReel Available

Min.: 1
Mult.: 1

: 350

PoE Transformers

Flyback

SMD/SMT

250 kHz

- 40 C

+ 85 C

Single

10.92 mm

8.6 mm

9.02 mm

POE30P

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers 1000Base-T SMD PoE 350uH .65Ohms 1-Port

H6062FNLT
Pulse Electronics
1: $8.77
447In Stock

Mfr. Part #
H6062FNLT

Mouser Part #
673-H6062FNLT

Pulse Electronics

Audio Transformers / Signal Transformers 1000Base-T SMD PoE 350uH .65Ohms 1-Port

Learn More

Datasheet

447In Stock

Cut Tape

$8.77

$6.90

$6.62

$6.41

Reel

$4.95

View

Min.: 1
Mult.: 1

: 300

LAN Transformers

Module

SMD/SMT

1 MHz to 100 MHz

350 uH

1.5 kV

0 C

+ 70 C

Single

17.5 mm

15.24 mm

5.72 mm

Reel, Cut Tape

Audio Transformers / Signal Transformers 10/100Base-T SMD 1-Port

HX1178NL
Pulse Electronics
1: $11.68
417In Stock

Mfr. Part #
HX1178NL

Mouser Part #
673-HX1178NL

Pulse Electronics

Audio Transformers / Signal Transformers 10/100Base-T SMD 1-Port

Learn More

Datasheet

417In Stock

$11.68

$9.95

$9.53

$8.77

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

25.4 mm

12.83 mm

6.22 mm

Tube

Audio Transformers / Signal Transformers 100Base-TX SMD PoE 350uH .65Ohms 1-Port

HX2260FNLT
Pulse Electronics
1: $5.92
934In Stock

Mfr. Part #
HX2260FNLT

Mouser Part #
673-HX2260FNLT

Pulse Electronics

Audio Transformers / Signal Transformers 100Base-TX SMD PoE 350uH .65Ohms 1-Port

Learn More

Datasheet

934In Stock

Cut Tape

$5.92

$5.36

$4.85

$4.69

Reel

$4.19

View

Min.: 1
Mult.: 1

: 600

LAN Transformers

Module

SMD/SMT

1 MHz to 125 MHz

- 40 C

+ 85 C

Single

12.7 mm

9.09 mm

5.99 mm

Reel, Cut Tape

Audio Transformers / Signal Transformers 100Base-T SMD NonPoE .6Ohms 1-Port

PE-68515LNLT
Pulse Electronics
1: $10.57
1,809In Stock

Mfr. Part #
PE-68515LNLT

Mouser Part #
673-PE-68515LNLT

Pulse Electronics

Audio Transformers / Signal Transformers 100Base-T SMD NonPoE .6Ohms 1-Port

Datasheet

1,809In Stock

Cut Tape

$10.57

$9.06

$8.70

$8.42

Reel

$7.80

View

MouseReel Available

Min.: 1
Mult.: 1

: 160

LAN Transformers

Module

SMD/SMT

100 kHz to 100 MHz

1.5 kV

0 C

+ 70 C

Single

25.4 mm

12.95 mm

9.4 mm

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers 1:4 Transmission line transformer on SM-

MABA-010268-CT4160
MACOM
1: $8.14
2,059In Stock

Mfr. Part #
MABA-010268-CT4160

Mouser Part #
937-010268-CT4160

MACOM

Audio Transformers / Signal Transformers 1:4 Transmission line transformer on SM-

Datasheet

2,059In Stock

$8.14

$6.39

$6.13

$5.95

View

Min.: 1
Mult.: 1

RF Transformers

SMD/SMT

5 MHz to 1.2 GHz

- 40 C

+ 85 C

1 Channel

3.97 mm

2.79 mm

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

TC1-1-13M-22+
Mini-Circuits
1: $4.68
3,981In Stock

Mfr. Part #
TC1-1-13M-22+

Mouser Part #
139-TC1-1-13M-22

Mini-Circuits

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

Learn More

Datasheet

3,981In Stock

Cut Tape

$4.68

$3.02

$2.32

$2.17

Reel

$2.17

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC1

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers 5G Base-T LAN transformer. Single port and 30pin with PoE++ (720mA) and SMT.

TMYB-83AYNL
Taoglas
1: $9.69
400In Stock

Mfr. Part #
TMYB-83AYNL

Mouser Part #
960-TMYB-83AYNL

Taoglas

Audio Transformers / Signal Transformers 5G Base-T LAN transformer. Single port and 30pin with PoE++ (720mA) and SMT.

Learn More

Datasheet

400In Stock

Cut Tape

$9.69

$7.30

$6.90

$5.98

Reel

$5.08

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

SMD/SMT

180 uH

- 40 C

+ 85 C

17.6 mm

12.2 mm

6 mm

Exos

Reel, Cut Tape, MouseReel

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

TC4-6TG2+
Mini-Circuits
1: $5.98
825In Stock

Mfr. Part #
TC4-6TG2+

Mouser Part #
139-TC4-6TG2

Mini-Circuits

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

Datasheet

825In Stock

Cut Tape

$5.98

$4.33

$3.64

$3.24

Reel

$3.15

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC4

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers 10/100BASE-TX SMD 1-Port Low Profile

TG110-S055P2RL
HALO Electronics
1: $15.62
482In Stock

Mfr. Part #
TG110-S055P2RL

Mouser Part #
493-TG110-S055P2RL

HALO Electronics

Audio Transformers / Signal Transformers 10/100BASE-TX SMD 1-Port Low Profile

Learn More

Datasheet

482In Stock

$15.62

$10.08

$8.22

$6.65

View

Min.: 1
Mult.: 1

LAN Isolation Transformers

Module

SMD/SMT

1 MHz to 80 MHz

1.5 kV

0 C

+ 70 C

Single

SMD-16

12.7 mm

7.11 mm

2.24 mm

TG110

Tube

Audio Transformers / Signal Transformers 1:1 Core & Wire Transformer, 10 - 8000 MHz, 50ohm

SCTX1-83-2W+
Mini-Circuits
1: $107.76
53In Stock
100Expected 2026-10-12
New At Mouser

Mfr. Part #
SCTX1-83-2W+

Mouser Part #
139-SCTX1-83-2W+

New At Mouser

Mini-Circuits

Audio Transformers / Signal Transformers 1:1 Core & Wire Transformer, 10 - 8000 MHz, 50ohm

Datasheet

53In Stock

100Expected 2026-10-12

Cut Tape

$107.76

$105.42

$103.08

Reel

$102.21

MouseReel Available

Min.: 1
Mult.: 1

: 100

RF Transformers

Line Transformer

10 MHz to 8 GHz

50 Ohms

- 40 C

+ 85 C

2 Channel

15.24 mm x 15.24 mm x 4.32 mm

15.24 mm

4.32 mm

SCTX1

Reel, Cut Tape, MouseReel

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

TC3-1TX+
Mini-Circuits
1: $5.75
2,752In Stock

Mfr. Part #
TC3-1TX+

Mouser Part #
139-TC3-1TX

Mini-Circuits

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

Datasheet

2,752In Stock

Cut Tape

$5.75

$3.87

$3.21

Reel

$3.21

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC3

Reel, Cut Tape, MouseReel

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

ADT1.5-17+
Mini-Circuits
1: $8.64
573In Stock

Mfr. Part #
ADT1.5-17+

Mouser Part #
139-ADT1.5-17

Mini-Circuits

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

Datasheet

573In Stock

Cut Tape

$8.64

Reel

$8.64

MouseReel Available

Min.: 1
Mult.: 1

: 100

RF Transformers

SMD/SMT

500 kHz to 1.7 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 TC XFMR / SURF MOUNT / RoHS

TC4-11G2+
Mini-Circuits
1: $7.17
490In Stock

Mfr. Part #
TC4-11G2+

Mouser Part #
139-TC4-11G2

Mini-Circuits

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

Datasheet

490In Stock

Cut Tape

$7.17

$5.30

$4.55

$4.46

Reel

$4.46

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC4

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers GIGABIT ISO MOD SMD 48P 2-Port w/Choke

TG1G-E234NVRL
HALO Electronics
1: $52.20
166In Stock

Mfr. Part #
TG1G-E234NVRL

Mouser Part #
493-TG1G-E234NVRL

HALO Electronics

Audio Transformers / Signal Transformers GIGABIT ISO MOD SMD 48P 2-Port w/Choke

Learn More

Datasheet

166In Stock

$52.20

$33.67

$27.46

$22.20

View

Min.: 1
Mult.: 1

LAN Isolation Transformers

Module

SMD/SMT

1 MHz to 100 MHz

1.5 kV

- 40 C

+ 85 C

Dual

SMD-48

27.69 mm

15.24 mm

7.62 mm

TG1G

Tube

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

TC4-1W+
Mini-Circuits
1: $5.30
1,663In Stock
6,000Expected 2026-09-14

Mfr. Part #
TC4-1W+

Mouser Part #
139-TC4-1W

Mini-Circuits

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

Datasheet

1,663In Stock

6,000Expected 2026-09-14

Cut Tape

$5.30

$3.64

$2.94

$2.82

Reel

$2.82

MouseReel Available

Min.: 1
Mult.: 1

: 500

RF Transformers

SMD/SMT

3 MHz to 800 MHz

50 Ohms

- 40 C

+ 85 C

Single

3.81 mm x 3.81 mm x 4.06 mm

3.81 mm

4.06 mm

TC4

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers 10GBASET 600mA 24-Pin 1-Port

TG10G-HPE6NZ5LF
HALO Electronics
1: $33.05
251In Stock

Mfr. Part #
TG10G-HPE6NZ5LF

Mouser Part #
493-TG10G-HPE6NZ5LF

HALO Electronics

Audio Transformers / Signal Transformers 10GBASET 600mA 24-Pin 1-Port

Datasheet

251In Stock

$33.05

$21.30

$17.38

$14.05

View

Min.: 1
Mult.: 1

LAN Transformers

TG10G

Tube

Audio Transformers / Signal Transformers GIGABIT ISO MOD GigE 2-Port

TG111-S212NWRL
HALO Electronics
1: $28.87
324In Stock

Mfr. Part #
TG111-S212NWRL

Mouser Part #
493-TG111-S212NWRL

HALO Electronics

Audio Transformers / Signal Transformers GIGABIT ISO MOD GigE 2-Port

Learn More

Datasheet

324In Stock

$28.87

$18.62

$15.19

$12.28

View

Min.: 1
Mult.: 1

LAN Isolation Transformers

Module

SMD/SMT

100 kHz to 100 MHz

350 uH

1.5 kV

0 C

+ 70 C

Dual, Quad

27.94 mm

7.62 mm

8.64 mm

TG1G

Tube

Audio Transformers / Signal Transformers RF XFMR / SURF MT/ TOPHAT RoHS

TTCM4-4X+
Mini-Circuits
1: $5.37
994In Stock

Mfr. Part #
TTCM4-4X+

Mouser Part #
139-TTCM4-4X

Mini-Circuits

Audio Transformers / Signal Transformers RF XFMR / SURF MT/ TOPHAT RoHS

Datasheet

994In Stock

Cut Tape

$5.37

$3.73

$3.02

$2.81

Reel

$2.81

MouseReel Available

Min.: 1
Mult.: 1

: 500

TTCM4

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers 1:1 1500Vrms 1.3Ohm -1.1dB SMT

TG1G-E005J24RL
HALO Electronics
1: $23.69
496In Stock

Mfr. Part #
TG1G-E005J24RL

Mouser Part #
493-TG1G-E005J24RL

HALO Electronics

Audio Transformers / Signal Transformers 1:1 1500Vrms 1.3Ohm -1.1dB SMT

Datasheet

496In Stock

$23.69

$16.92

$14.21

$11.84

View

Min.: 1
Mult.: 1

TG1G

Tube

Audio Transformers / Signal Transformers TRANSFORMER

ETC4-1TR
MACOM
1: $5.30
989In Stock

Mfr. Part #
ETC4-1TR

Mouser Part #
937-ETC4-1TR

MACOM

Audio Transformers / Signal Transformers TRANSFORMER

Datasheet

989In Stock

Cut Tape

$5.30

$4.31

$3.64

$3.41

Reel

$2.97

View

Min.: 1
Mult.: 1

: 2,000

RF Transformers

SMD/SMT

2 MHz to 800 MHz

- 55 C

+ 85 C

Reel, Cut Tape

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

MABA-007236-C16423
MACOM
1: $3.89
5,332In Stock
1,750Expected 2026-09-02

Mfr. Part #
MABA-007236-C16423

Mouser Part #
937-MABA007236C16423

MACOM

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

Datasheet

5,332In Stock

1,750Expected 2026-09-02

Cut Tape

$3.89

$3.36

$3.23

$3.01

Reel

$2.39

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 MDL SGL 1000B 1:1 SMT TU PBC

1000B-5012
iNRCORE
1: $75.64
82In Stock

Mfr. Part #
1000B-5012

Mouser Part #
673-1000B-5012

iNRCORE

Audio Transformers / Signal Transformers MDL SGL 1000B 1:1 SMT TU PBC

Learn More

Datasheet

82In Stock

$75.64

$68.01

$66.08

View

Min.: 1
Mult.: 1

RF Transformers

SMD/SMT

100 kHz to 100 MHz

350 uH

1.5 kV

- 40 C

+ 85 C

Quad

15.113 mm

13.1572 mm

6.1214 mm

1000B

Tube

Audio Transformers / Signal Transformers MDL DUAL 1000B 1:1 SMT TU PBC

1000B-5006X
iNRCORE
1: $67.10
98In Stock

Mfr. Part #
1000B-5006X

Mouser Part #
673-1000B-5006X

iNRCORE

Audio Transformers / Signal Transformers MDL DUAL 1000B 1:1 SMT TU PBC

Datasheet

98In Stock

$67.10

$60.45

$54.59

$53.91

View

Min.: 1
Mult.: 1

1000B

Tube

Audio Transformers / Signal Transformers Signal-1553 Non-QPL Mil Grade

TL1553-45
iNRCORE
1: $110.36
31In Stock

Mfr. Part #
TL1553-45

Mouser Part #
673-TL1553-45

iNRCORE

Audio Transformers / Signal Transformers Signal-1553 Non-QPL Mil Grade

Datasheet

31In Stock

$110.36

$99.17

$95.92

$91.53

View

Min.: 1
Mult.: 1

RF Transformers

Pin Terminal Transformers

Through Hole

75 kHz to 1 MHz

100 V

- 55 C

+ 125 C

Single

16 mm

3.94 mm

TL1553

Tube

Audio Transformers / Signal Transformers

Mouser®

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Resources

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

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