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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 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

TM1188NL
Taoglas
1: $2.40
1,313In Stock

Mfr. Part No.
TM1188NL

Mouser Part No
960-TM1188NL

Taoglas

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

Learn More

Datasheet

1,313In Stock

Cut Tape

$2.40

$1.51

Reel

$1.51

$0.713

$0.697

MouseReel Available

Min.: 1
Mult.: 1

: 750

LAN Transformers

LAN Transformer

SMD/SMT

350 uH

- 40 C

+ 85 C

12.8 mm

9.3 mm

5.1 mm

Exos

Reel, Cut Tape, MouseReel

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

ADT3-1T+
Mini-Circuits
Restricted Availability

Mfr. Part No.
ADT3-1T+

Mouser Part No
139-ADT3-1T

Mini-Circuits

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

Datasheet

Restricted Availability

ADT3

Reel, Cut Tape, MouseReel

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

JTX-2-10T+
Mini-Circuits
Restricted Availability

Mfr. Part No.
JTX-2-10T+

Mouser Part No
139-JTX-2-10T

Mini-Circuits

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

Datasheet

Restricted Availability

RF Transformers

SMD/SMT

50 MHz to 1 GHz

75 Ohms

- 40 C

+ 85 C

Single

7.87 mm x 7.11 mm x 5.72 mm

7.87 mm

7.11 mm

5.72 mm

JTX

Reel, Cut Tape, MouseReel

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

TC16-1TG2+
Mini-Circuits
Restricted Availability

Mfr. Part No.
TC16-1TG2+

Mouser Part No
139-TC16-1TG2

Mini-Circuits

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

Learn More

Datasheet

Restricted Availability

TC16

Reel, Cut Tape, MouseReel

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

TC4-11+
Mini-Circuits
Restricted Availability

Mfr. Part No.
TC4-11+

Mouser Part No
139-TC4-11

Mini-Circuits

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

Datasheet

Restricted Availability

TC4

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers RJ45 10/100 Sngl 5000V Iso

TDR110-QE10AWLF
HALO Electronics
1: $19.55
2,335In Stock

Mfr. Part No.
TDR110-QE10AWLF

Mouser Part No
493-TDR110-QE10AWLF

HALO Electronics

Audio Transformers / Signal Transformers RJ45 10/100 Sngl 5000V Iso

2,335In Stock

$19.55

$13.96

$11.73

$9.77

View

Min.: 1
Mult.: 1

LAN Transformers

5 kV

Single

TDR110

Tube

Audio Transformers / Signal Transformers GIGABIT ISO MOD SMD 24P 1-Port w/Choke

TG111-E032NYRL
HALO Electronics
1: $7.72
964In Stock

Mfr. Part No.
TG111-E032NYRL

Mouser Part No
493-TG111-E032NYRL

HALO Electronics

Audio Transformers / Signal Transformers GIGABIT ISO MOD SMD 24P 1-Port w/Choke

Learn More

Datasheet

964In Stock

$7.72

$7.05

$6.39

$5.50

View

Min.: 1
Mult.: 1

LAN Isolation Transformers

Module

SMD/SMT

1 MHz to 100 MHz

350 uH

1.5 kV

- 40 C

+ 85 C

Dual

SMD-24

15.24 mm

13.72 mm

6.35 mm

TG1G

Tube

Audio Transformers / Signal Transformers ROHS DUAL 1000BT PoE+ MODULE 1CT:1CT TOPPER

S558-5500-72
Bel Magnetic Solutions
1: $7.05
1,153In Stock

Mfr. Part No.
S558-5500-72

Mouser Part No
530-S558-5500-72

Bel Magnetic Solutions

Audio Transformers / Signal Transformers ROHS DUAL 1000BT PoE+ MODULE 1CT:1CT TOPPER

Datasheet

1,153In Stock

Cut Tape

$7.05

$5.98

$5.62

$5.22

Reel

$4.58

View

MouseReel Available

Min.: 1
Mult.: 1

: 240

SMD/SMT

300 kHz to 125 MHz

- 40 C

+ 85 C

Dual

27.81 mm

12.19 mm

7.24 mm

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers WE-STST 4532 110uH PoE

74930130
Wurth Elektronik
1: $2.16
3,822In Stock

Mfr. Part No.
74930130

Mouser Part No
710-74930130

Wurth Elektronik

Audio Transformers / Signal Transformers WE-STST 4532 110uH PoE

Learn More

Datasheet

3,822In Stock

Cut Tape

$2.16

$2.06

$1.98

$1.78

View

Reel

$1.19

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

PoE Transformers

LAN

SMD/SMT

110 uH

1.5 kV

- 40 C

+ 105 C

Single

1812 (4532 metric)

4.7 mm

3.22 mm

2.9 mm

WE-STST

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers THROUGH HOLE 600CT:8

MET-35
Tamura
1: $12.01
968In Stock

Mfr. Part No.
MET-35

Mouser Part No
838-MET-35

Tamura

Audio Transformers / Signal Transformers THROUGH HOLE 600CT:8

Datasheet

968In Stock

$12.01

$10.59

$10.26

$9.94

View

Min.: 1
Mult.: 1

Audio Transformers

Terminals

300 Hz to 100 kHz

600 Ohms

8 Ohms

1 kV

- 20 C

+ 85 C

10.4 mm

7.87 mm

11.8 mm

MET

Tube

Audio Transformers / Signal Transformers 5-120MHz 1:1 Imped. 75 ohm

MABA-009852-CF1A40
MACOM
1: $3.84
1,721In Stock

Mfr. Part No.
MABA-009852-CF1A40

Mouser Part No
937-MABA-9852-CF1A40

MACOM

Audio Transformers / Signal Transformers 5-120MHz 1:1 Imped. 75 ohm

Datasheet

1,721In Stock

Cut Tape

$3.84

$2.98

$2.22

$2.01

Reel

$1.63

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Baluns

SMD/SMT

5 MHz to 300 MHz

75 Ohms

- 40 C

+ 100 C

Single

4.21 mm

2.7 mm

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers 5-1000MHz IL 1.1dB Ctr Tap -40C +85C

MABACT0040
MACOM
1: $3.40
3,128In Stock

Mfr. Part No.
MABACT0040

Mouser Part No
937-MABACT0040

MACOM

Audio Transformers / Signal Transformers 5-1000MHz IL 1.1dB Ctr Tap -40C +85C

Datasheet

3,128In Stock

Cut Tape

$3.40

$3.08

$2.78

$2.61

Reel

$2.27

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Baluns

SMD/SMT

5 MHz to 1.218 GHz

75 Ohms

- 40 C

+ 85 C

Single

4.21 mm

3.81 mm

MABA

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers FIBRE CH ISO MOD SMD Dual Core 531.25MHz

TG01-FC07N1RL
HALO Electronics
1: $9.25
399In Stock

Mfr. Part No.
TG01-FC07N1RL

Mouser Part No
493-TG01-FC07N1RL

HALO Electronics

Audio Transformers / Signal Transformers FIBRE CH ISO MOD SMD Dual Core 531.25MHz

Learn More

Datasheet

399In Stock

$9.25

$5.97

$4.87

$3.94

View

Min.: 1
Mult.: 1

LAN Isolation Transformers

Module

SMD/SMT

7.5 uH

1.5 kV

Single

SMD-16

12.7 mm

7.11 mm

5.08 mm

SMD-FIBRE

Tube

Audio Transformers / Signal Transformers NA5730 SMT Flyback For TI TPS23751/2

NA5730-ALD
Coilcraft
1: $6.96
51In Stock

Mfr. Part No.
NA5730-ALD

Mouser Part No
994-NA5730-ALD

Coilcraft

Audio Transformers / Signal Transformers NA5730 SMT Flyback For TI TPS23751/2

Learn More

Datasheet

51In Stock

Cut Tape

$6.96

$5.40

$5.19

$5.03

Reel

$4.67

View

MouseReel Available

Min.: 1
Mult.: 1

: 175

Flyback Transformers

Flyback

SMD/SMT

250 kHz

- 40 C

+ 125 C

Single

21 mm

20.57 mm

11.43 mm

NA5730

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers Flyback PoE 21W 21uH 3.3V 6.2A

POE21PR-33ED
Coilcraft
1: $6.39
61In Stock

Mfr. Part No.
POE21PR-33ED

Mouser Part No
994-POE21PR-33ED

Coilcraft

Audio Transformers / Signal Transformers Flyback PoE 21W 21uH 3.3V 6.2A

Learn More

Datasheet

61In Stock

Cut Tape

$6.39

$4.82

$4.59

$4.30

Reel

$3.93

View

MouseReel Available

Min.: 1
Mult.: 1

: 150

PoE Transformers

Flyback

SMD/SMT

200 kHz

21 uH

- 40 C

+ 125 C

Single

14.5 mm

13 mm

14 mm

POE21PR

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers POE30P Flyback PoE 3uH 3.3 V 0.91 A

POE30P-33LD
Coilcraft
1: $3.72
127In Stock
700Expected 25/09/2026

Mfr. Part No.
POE30P-33LD

Mouser Part No
994-POE30P-33LD

Coilcraft

Audio Transformers / Signal Transformers POE30P Flyback PoE 3uH 3.3 V 0.91 A

Learn More

Datasheet

127In Stock

700Expected 25/09/2026

Cut Tape

$3.72

$2.81

$2.68

$2.51

Reel

$2.30

View

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 PWB Wideband RF 1:2 0.130-285 MHz

PWB-2-CLC
Coilcraft
1: $5.43
501In Stock

Mfr. Part No.
PWB-2-CLC

Mouser Part No
994-PWB-2-CLC

Coilcraft

Audio Transformers / Signal Transformers PWB Wideband RF 1:2 0.130-285 MHz

Datasheet

501In Stock

Cut Tape

$5.43

$4.10

$3.90

$3.66

Reel

$3.35

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

RF Transformers

SMD/SMT

130 kHz to 285 MHz

- 40 C

+ 85 C

Single

6.77 mm

6.48 mm

4.45 mm

PWB

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers Wideband RF, SMD 250mA 1:1sec

SWB3010-SMLD
Coilcraft
1: $4.10
86In Stock

Mfr. Part No.
SWB3010-SMLD

Mouser Part No
994-SWB3010-SMLD

Coilcraft

Audio Transformers / Signal Transformers Wideband RF, SMD 250mA 1:1sec

Learn More

Datasheet

86In Stock

Cut Tape

$4.10

$3.10

$2.95

$2.76

Reel

$2.45

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

RF Transformers

SMD/SMT

5 kHz to 100 MHz

780 uH

500 V

- 40 C

+ 85 C

Single

13.21 mm x 7.87 mm x 5.72 mm

13.21 mm

7.87 mm

5.72 mm

SWB

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers WB SMT RF Trnsfmr Wideband 0.25W

WB4-1HL
Coilcraft
1: $5.02
43In Stock

Mfr. Part No.
WB4-1HL

Mouser Part No
994-WB4-1HL

Coilcraft

Audio Transformers / Signal Transformers WB SMT RF Trnsfmr Wideband 0.25W

Datasheet

43In Stock

$5.02

$3.79

$3.61

$3.38

View

Min.: 1
Mult.: 1

RF Transformers

Tube

Audio Transformers / Signal Transformers 10BASE-T PCMCIA SMD 1:1 Filterless

TG04-2006P1RL
HALO Electronics
1: $6.95
276In Stock

Mfr. Part No.
TG04-2006P1RL

Mouser Part No
493-TG04-2006P1RL

HALO Electronics

Audio Transformers / Signal Transformers 10BASE-T PCMCIA SMD 1:1 Filterless

Learn More

Datasheet

276In Stock

$6.95

$4.96

$4.17

$3.47

$2.72

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

2.24 mm

TG-10BT

Tube

Audio Transformers / Signal Transformers 10/100BASETX SMD 16P RP-Ultra PoE 1Port

TG110-RP55N5RLTR
HALO Electronics
1: $7.30
2In Stock
700Expected 02/09/2026

Mfr. Part No.
TG110-RP55N5RLTR

Mouser Part No
493-TG110-RP55N5RLTR

HALO Electronics

Audio Transformers / Signal Transformers 10/100BASETX SMD 16P RP-Ultra PoE 1Port

Learn More

Datasheet

2In Stock

700Expected 02/09/2026

Cut Tape

$7.30

$4.73

$3.86

$3.12

Reel

$2.43

View

MouseReel Available

Min.: 1
Mult.: 1

: 700

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

6.35 mm

TG110

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