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Transformers Audio & Signal

Home » Applications & Technologies » Audio » Transformers

Transformers for Audio Applications

Audio transformers can used to step up or step down a signal voltage, increase or decrease the impedance of a circuit, convert a circuit from unbalanced to balanced and vice versa, block DC current in a circuit while allowing AC current to flow, or electrically isolate one audio device from another. Learn More

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Part #

Audio Transformers / Signal Transformers LAN Transformer, 2.5G Base-T, 24 pin, SMT, CMC + Transformer

TMU24C04
Taoglas
1: $4.73
400In Stock

Mfr. Part No.
TMU24C04

Mouser Part No
960-TMU24C04

Taoglas

Audio Transformers / Signal Transformers LAN Transformer, 2.5G Base-T, 24 pin, SMT, CMC + Transformer

Learn More

Datasheet

400In Stock

Cut Tape

$4.73

$4.28

$3.98

$3.86

Reel

$3.29

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

LAN Transformers

SMD/SMT

180 uH

0 C

+ 70 C

1 Channel

SMT-24

17.6 mm

16 mm

6 mm

STRATOS

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers LAN Transformer, 2.5G Base-T, 24 pin, SMT, CMC + T, PoE Ultra, Industrial grade

TMU24C04UW
Taoglas
1: $6.20
400In Stock

Mfr. Part No.
TMU24C04UW

Mouser Part No
960-TMU24C04UW

Taoglas

Audio Transformers / Signal Transformers LAN Transformer, 2.5G Base-T, 24 pin, SMT, CMC + T, PoE Ultra, Industrial grade

Learn More

Datasheet

400In Stock

Cut Tape

$6.20

$5.60

$5.21

$5.06

Reel

$4.39

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

LAN Transformers

SMD/SMT

180 uH

- 40 C

+ 85 C

1 Channel

SMT-24

17.6 mm

16 mm

6 mm

STRATOS

Reel, Cut Tape, MouseReel

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

ADT16-6T+
Mini-Circuits
1: $13.86
47In Stock
500Expected 12/10/2026

Mfr. Part No.
ADT16-6T+

Mouser Part No
139-ADT16-6T

Mini-Circuits

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

Datasheet

47In Stock

500Expected 12/10/2026

Cut Tape

$13.86

$12.73

$11.41

$10.46

Reel

$9.79

MouseReel Available

Min.: 1
Mult.: 1

: 500

RF Transformers

SMD/SMT

100 kHz to 70 MHz

50 Ohms

- 20 C

+ 85 C

Single

7.87 mm x 5.59 mm x 5.23 mm

7.87 mm

5.59 mm

5.23 mm

ADT16

Reel, Cut Tape, MouseReel

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

ADTL1-4-75+
Mini-Circuits
1: $6.79
178In Stock
1,000Expected 9/11/2026

Mfr. Part No.
ADTL1-4-75+

Mouser Part No
139-ADTL1-4-75

Mini-Circuits

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

Datasheet

178In Stock

1,000Expected 9/11/2026

Cut Tape

$6.79

Reel

$6.79

MouseReel Available

Min.: 1
Mult.: 1

: 100

ADTL1

Reel, Cut Tape, MouseReel

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

JTX-4-10T+
Mini-Circuits
1: $28.68
105In Stock

Mfr. Part No.
JTX-4-10T+

Mouser Part No
139-JTX-4-10T

Mini-Circuits

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

Datasheet

105In Stock

Cut Tape

$28.68

$16.06

$14.96

Reel

$14.40

MouseReel Available

Min.: 1
Mult.: 1

: 100

RF Transformers

SMD/SMT

50 MHz to 1 GHz

50 Ohms

- 20 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 1:1:1 CORE & WIRE Transformer, 0.1 - 200 MHz, 50 Ohm

T-622-KK81+
Mini-Circuits
1: $7.19
192In Stock
900Expected 30/11/2026

Mfr. Part No.
T-622-KK81+

Mouser Part No
139-T-622-KK81+

Mini-Circuits

Audio Transformers / Signal Transformers 1:1:1 CORE & WIRE Transformer, 0.1 - 200 MHz, 50 Ohm

Datasheet

192In Stock

900Expected 30/11/2026

Cut Tape

$7.19

$6.77

$6.53

$6.32

Reel

$6.20

$6.01

MouseReel Available

Min.: 1
Mult.: 1

: 100

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers 1:4 CORE & WIRE Transformer, 0.2 - 350 MHz, 50?

T4-1+
Mini-Circuits
1: $7.74
83In Stock

Mfr. Part No.
T4-1+

Mouser Part No
139-T4-1+

Mini-Circuits

Audio Transformers / Signal Transformers 1:4 CORE & WIRE Transformer, 0.2 - 350 MHz, 50?

Datasheet

83In Stock

$7.74

Min.: 1
Mult.: 1

RF Transformers

Transformer

SMD/SMT

200 kHz to 350 MHz

50 Ohms

- 20 C

+ 85 C

1 Channel

W38

7.62 mm

6.86 mm

5.84 mm

Bulk

Audio Transformers / Signal Transformers 1:4 CORE & WIRE Transformer, 0.2 - 350 MHz, 50?

T4-1-X65+
Mini-Circuits
1: $7.19
3In Stock

Mfr. Part No.
T4-1-X65+

Mouser Part No
139-T4-1-X65+

Mini-Circuits

Audio Transformers / Signal Transformers 1:4 CORE & WIRE Transformer, 0.2 - 350 MHz, 50?

Datasheet

3In Stock

$7.19

$7.03

Min.: 1
Mult.: 1

RF Transformers

Transformer

Through Hole

200 kHz to 350 MHz

50 Ohms

- 20 C

+ 85 C

1 Channel

X65

Bulk

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

TC1-1+
Mini-Circuits
1: $5.00
606In Stock
2,000Expected 31/8/2026

Mfr. Part No.
TC1-1+

Mouser Part No
139-TC1-1

Mini-Circuits

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

Learn More

Datasheet

606In Stock

2,000Expected 31/8/2026

Cut Tape

$5.00

$3.44

$2.77

$2.65

Reel

$2.53

MouseReel Available

Min.: 1
Mult.: 1

: 500

RF Transformers

SMD/SMT

1.5 MHz to 500 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

TC1

Reel, Cut Tape, MouseReel

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

TC1-1-13M-75+
Mini-Circuits
1: $4.42
104In Stock
1,000On Order

Mfr. Part No.
TC1-1-13M-75+

Mouser Part No
139-TC1-1-13M-75

Mini-Circuits

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

Learn More

Datasheet

104In Stock

1,000On Order

Cut Tape

$4.42

$2.86

$2.26

Reel

$2.26

MouseReel Available

Min.: 1
Mult.: 1

: 500

RF Transformers

SMD/SMT

4.5 MHz to 3 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

TC1-1-43+
Mini-Circuits
1: $4.56
267In Stock
500Expected 14/9/2026

Mfr. Part No.
TC1-1-43+

Mouser Part No
139-TC1-1-43

Mini-Circuits

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

Learn More

Datasheet

267In Stock

500Expected 14/9/2026

Cut Tape

$4.56

$2.99

$2.33

$2.23

Reel

$2.07

MouseReel Available

Min.: 1
Mult.: 1

: 500

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 1:1 CORE & WIRE Transformer, 5 - 1800 MHz, 75 Ohm

TC1-182T-75X+
Mini-Circuits
1: $5.11
518In Stock

Mfr. Part No.
TC1-182T-75X+

Mouser Part No
139-TC1-182T-75X+

Mini-Circuits

Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 5 - 1800 MHz, 75 Ohm

Learn More

Datasheet

518In Stock

Cut Tape

$5.11

$3.71

$3.29

Reel

$3.29

MouseReel Available

Min.: 1
Mult.: 1

: 500

RF Transformers

SMD/SMT

5 MHz to 1.8 GHz

- 40 C

+ 85 C

Single

3.81 mm

4.06 mm

TC1

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 1.5 - 500 MHz, 50?

TC1-1G2+
Mini-Circuits
1: $5.64
539In Stock

Mfr. Part No.
TC1-1G2+

Mouser Part No
139-TC1-1G2+

Mini-Circuits

Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 1.5 - 500 MHz, 50?

Datasheet

539In Stock

Cut Tape

$5.64

$3.88

$3.26

Reel

$3.26

MouseReel Available

Min.: 1
Mult.: 1

: 500

RF Transformers

Transformer

SMD/SMT

1.5 MHz to 500 MHz

50 Ohms

- 20 C

+ 85 C

1 Channel

3.81 mm x 3.81 mm x 3.81 mm

3.81 mm

TC1

Reel, Cut Tape, MouseReel

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

TC2-72T+
Mini-Circuits
1: $5.00
106In Stock
5,000Expected 19/10/2026

Mfr. Part No.
TC2-72T+

Mouser Part No
139-TC2-72T

Mini-Circuits

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

Datasheet

106In Stock

5,000Expected 19/10/2026

Cut Tape

$5.00

$3.44

$2.77

$2.67

Reel

$2.67

MouseReel Available

Min.: 1
Mult.: 1

: 500

RF Transformers

SMD/SMT

10 MHz to 700 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

TC2

Reel, Cut Tape, MouseReel

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

TC3-1T+
Mini-Circuits
1: $5.43
588In Stock

Mfr. Part No.
TC3-1T+

Mouser Part No
139-TC3-1T

Mini-Circuits

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

Datasheet

588In Stock

Cut Tape

$5.43

$3.66

$2.99

$2.86

Reel

$2.76

MouseReel Available

Min.: 1
Mult.: 1

: 500

RF Transformers

SMD/SMT

5 MHz to 300 MHz

50 Ohms

- 20 C

+ 85 C

Single

3.81 mm x 3.81 mm x 4.06 mm

3.81 mm

4.06 mm

TC3

Reel, Cut Tape, MouseReel

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

TC4-19G2+
Mini-Circuits
1: $5.43
69In Stock
500Expected 5/1/2027

Mfr. Part No.
TC4-19G2+

Mouser Part No
139-TC4-19G2

Mini-Circuits

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

Datasheet

69In Stock

500Expected 5/1/2027

Cut Tape

$5.43

$3.88

$3.03

Reel

$3.03

MouseReel Available

Min.: 1
Mult.: 1

: 500

RF Transformers

SMD/SMT

10 MHz to 1.9 GHz

50 Ohms

- 20 C

+ 85 C

Single

3.81 mm x 3.81 mm x 3.81 mm

3.81 mm

TC4

Reel, Cut Tape, MouseReel

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

TC4-19LN+
Mini-Circuits
1: $3.66
137In Stock
500Expected 19/10/2026

Mfr. Part No.
TC4-19LN+

Mouser Part No
139-TC4-19LN+

Mini-Circuits

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

Datasheet

137In Stock

500Expected 19/10/2026

Cut Tape

$3.66

$2.43

$2.07

Reel

$2.07

MouseReel Available

Min.: 1
Mult.: 1

: 500

RF Transformers

Transformer

SMD/SMT

10 MHz to 1.9 GHz

50 Ohms

- 40 C

+ 85 C

1 Channel

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 TC XFMR / SURF MOUNT / RoHS

TC4-1WG2+
Mini-Circuits
1: $6.53
39In Stock
36,500On Order

Mfr. Part No.
TC4-1WG2+

Mouser Part No
139-TC4-1WG2

Mini-Circuits

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

Datasheet

39In Stock

36,500On Order

Cut Tape

$6.53

$4.76

$4.09

$3.69

Reel

$3.51

$3.48

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC4

Reel, Cut Tape, MouseReel

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

TC4-6T+
Mini-Circuits
1: $5.00
360In Stock

Mfr. Part No.
TC4-6T+

Mouser Part No
139-TC4-6T

Mini-Circuits

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

Datasheet

360In Stock

Cut Tape

$5.00

$3.44

$2.77

$2.65

Reel

$2.53

MouseReel Available

Min.: 1
Mult.: 1

: 500

RF Transformers

SMD/SMT

1.5 MHz to 600 MHz

50 Ohms

- 20 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 TC XFMR / SURF MOUNT / RoHS

TCM4-14+
Mini-Circuits
1: $4.76
27In Stock
500Expected 28/12/2026

Mfr. Part No.
TCM4-14+

Mouser Part No
139-TCM4-14

Mini-Circuits

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

Learn More

Datasheet

27In Stock

500Expected 28/12/2026

Cut Tape

$4.76

$3.24

$2.53

$2.43

Reel

$2.33

MouseReel Available

Min.: 1
Mult.: 1

: 500

TCM4

Reel, Cut Tape, MouseReel

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

TCM4-1W+
Mini-Circuits
1: $4.56
258In Stock
500Expected 1/9/2026

Mfr. Part No.
TCM4-1W+

Mouser Part No
139-TCM4-1W

Mini-Circuits

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

Learn More

Datasheet

258In Stock

500Expected 1/9/2026

Cut Tape

$4.56

$2.99

$2.33

$2.28

Reel

$2.28

MouseReel Available

Min.: 1
Mult.: 1

: 500

RF Transformers

SMD/SMT

3 MHz to 800 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

TCM4

Reel, Cut Tape, MouseReel

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

TCM4-6T+
Mini-Circuits
1: $5.00
80In Stock
500Expected 7/12/2026

Mfr. Part No.
TCM4-6T+

Mouser Part No
139-TCM4-6T

Mini-Circuits

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

Learn More

Datasheet

80In Stock

500Expected 7/12/2026

Cut Tape

$5.00

$3.44

$2.79

Reel

$2.79

MouseReel Available

Min.: 1
Mult.: 1

: 500

RF Transformers

SMD/SMT

1.5 MHz to 600 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

TCM4

Reel, Cut Tape, MouseReel

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

TCM9-1+
Mini-Circuits
1: $4.84
207In Stock
500Expected 11/11/2026

Mfr. Part No.
TCM9-1+

Mouser Part No
139-TCM9-1

Mini-Circuits

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

Learn More

Datasheet

207In Stock

500Expected 11/11/2026

Cut Tape

$4.84

$3.30

$2.65

$2.46

Reel

$2.46

MouseReel Available

Min.: 1
Mult.: 1

: 500

RF Transformers

SMD/SMT

2 MHz to 280 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

TCM9

Reel, Cut Tape, MouseReel

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

TCO1-462+
Mini-Circuits
1: $6.05
174In Stock

Mfr. Part No.
TCO1-462+

Mouser Part No
139-TCO1-462+

Mini-Circuits

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

Learn More

Datasheet

174In Stock

Cut Tape

$6.05

$5.24

$4.41

$3.81

Reel

$3.10

MouseReel Available

Min.: 1
Mult.: 1

: 500

RF Transformers

SMD/SMT

3.3 GHz to 5.9 GHz

50 Ohms

- 55 C

+ 125 C

Single

0402 (1005 metric)

1 mm

0.51 mm

0.38 mm

TCO1

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers 1:2 LTCC Transformer, 5500 - 7200 MHz, 50 Ohm

TCW2-7200+
Mini-Circuits
1: $6.05
274In Stock

Mfr. Part No.
TCW2-7200+

Mouser Part No
139-TCW2-7200+

Mini-Circuits

Audio Transformers / Signal Transformers 1:2 LTCC Transformer, 5500 - 7200 MHz, 50 Ohm

Learn More

Datasheet

274In Stock

Cut Tape

$6.05

$5.24

$4.41

$4.00

Reel

$3.30

MouseReel Available

Min.: 1
Mult.: 1

: 500

RF Transformers

SMD/SMT

5.5 GHz to 7.2 GHz

- 55 C

+ 125 C

Single

1.6 mm

0.79 mm

0.61 mm

TCW2

Reel, Cut Tape, MouseReel

Transformers Audio & Signal

Transformers for Audio Applications

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100 Hz to 100 MHz
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100 Hz to 9 kHz
150 Hz to 15 kHz
200 Hz
200 Hz to 15 kHz
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700 mOhms, 700 mOhms
800 mOhms
800 mOhms, 800 mOhms
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4 Ohms, 16 Ohms
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1.501 kVAC
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1.875 kVAC

0.5 in x 0.38 in x 0.236 in
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0.69 in x 0.48 in x 0.225 in
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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