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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 ETHERNET BACKPLANE 32P ISO MOD SMD

TG110-BP01NURL
HALO Electronics
1: $16.59
160In Stock

Mfr. Part No.
TG110-BP01NURL

Mouser Part No
493-TG110-BP01NURL

HALO Electronics

Audio Transformers / Signal Transformers ETHERNET BACKPLANE 32P ISO MOD SMD

Learn More

Datasheet

160In Stock

$16.59

$5.03

Min.: 1
Mult.: 1

LAN Isolation Transformers

TG110-BP

Tube

Audio Transformers / Signal Transformers SMD ISOLATION MODULE

TG1G-S001NZLF
HALO Electronics
1: $14.55
121In Stock
476Expected 27/11/2026

Mfr. Part No.
TG1G-S001NZLF

Mouser Part No
493-TG1G-S001NZLF

HALO Electronics

Audio Transformers / Signal Transformers SMD ISOLATION MODULE

Datasheet

121In Stock

476Expected 27/11/2026

$14.55

$9.40

$7.67

$6.20

View

Min.: 1
Mult.: 1

Isolation Transformers

Tube

Audio Transformers / Signal Transformers T1/E1 ISO MOD SMD GullWing 6P SingleCh

TG70-1205NSRL
HALO Electronics
1: $6.46
506In Stock

Mfr. Part No.
TG70-1205NSRL

Mouser Part No
493-TG70-1205NSRL

HALO Electronics

Audio Transformers / Signal Transformers T1/E1 ISO MOD SMD GullWing 6P SingleCh

Learn More

Datasheet

506In Stock

$6.46

$4.16

$3.40

$2.75

View

Min.: 1
Mult.: 1

LAN Isolation Transformers

Module

SMD/SMT

1.2 mH

1.5 kV

0 C

+ 70 C

Single

SMD-6

8.13 mm

7.11 mm

5.08 mm

SMD-T1

Tube

Audio Transformers / Signal Transformers SMD ISOLATION MODULE

TGP3-S005EP7LFTR
HALO Electronics
1: $7.62
297In Stock

Mfr. Part No.
TGP3-S005EP7LFTR

Mouser Part No
493-TGP3-S005EP7LFTR

HALO Electronics

Audio Transformers / Signal Transformers SMD ISOLATION MODULE

Datasheet

297In Stock

Cut Tape

$7.62

$4.94

$4.03

$3.25

Reel

$2.73

View

Min.: 1
Mult.: 1

: 300

Isolation Transformers

Reel, Cut Tape

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

ADT2-162T+
Mini-Circuits
1: $12.09
58In Stock

Mfr. Part No.
ADT2-162T+

Mouser Part No
139-ADT2-162T

Mini-Circuits

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

Datasheet

58In Stock

Cut Tape

$12.09

$11.41

Reel

$11.40

MouseReel Available

Min.: 1
Mult.: 1

: 100

ADT2

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers 1:2 CORE & WIRE Transformer, 50 - 1000 MHz, 75?

JTX-2-10TA+
Mini-Circuits
1: $28.68
51In Stock
100Expected 7/9/2026

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

Mouser Part No
139-JTX-2-10TA

Mini-Circuits

Audio Transformers / Signal Transformers 1:2 CORE & WIRE Transformer, 50 - 1000 MHz, 75?

Datasheet

51In Stock

100Expected 7/9/2026

Cut Tape

$28.68

$16.06

$15.84

Reel

$15.84

MouseReel Available

Min.: 1
Mult.: 1

: 100

JTX

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 0.08 - 200 MHz, 50?

T1-1T-X65+
Mini-Circuits
1: $9.86
34In Stock
80Expected 9/11/2026

Mfr. Part No.
T1-1T-X65+

Mouser Part No
139-T1-1T-X65+

Mini-Circuits

Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 0.08 - 200 MHz, 50?

Datasheet

34In Stock

80Expected 9/11/2026

$9.86

$9.67

Min.: 1
Mult.: 1

RF Transformers

Plug-In Wire Transformer

Through Hole

80 kHz to 200 MHz

- 20 C

+ 85 C

1 Channel

DIP-6

7.62 mm

6.86 mm

5.84 mm

Tube

Audio Transformers / Signal Transformers 1:1:2 Core & Wire Transformer, 0.07-200 MHz, 50 ohm

T2-613-1-KK81+
Mini-Circuits
1: $4.30
159In Stock

Mfr. Part No.
T2-613-1-KK81+

Mouser Part No
139-T2-613-1-KK81

Mini-Circuits

Audio Transformers / Signal Transformers 1:1:2 Core & Wire Transformer, 0.07-200 MHz, 50 ohm

Datasheet

159In Stock

Cut Tape

$4.30

$4.27

$4.22

$3.81

Reel

$3.81

MouseReel Available

Min.: 1
Mult.: 1

: 100

RF Transformers

Core and Wire Transformer

SMD/SMT

70 kHz to 200 MHz

50 Ohms

- 20 C

+ 85 C

3 Channel

KK81

7.62 mm

6.86 mm

5.84 mm

Reel, Cut Tape, MouseReel

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

TC1-1-13M-75X+
Mini-Circuits
1: $4.42
618In Stock
4,000Expected 7/10/2026

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

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

Mini-Circuits

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

Learn More

Datasheet

618In Stock

4,000Expected 7/10/2026

Cut Tape

$4.42

$2.86

$2.19

$2.03

Reel

$1.97

$1.92

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC1

Reel, Cut Tape, MouseReel

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

TC1.33-1T-75X+
Mini-Circuits
1: $5.00
350In Stock

Mfr. Part No.
TC1.33-1T-75X+

Mouser Part No
139-TC1.33-1T-75X

Mini-Circuits

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

Learn More

Datasheet

350In Stock

Cut Tape

$5.00

$3.44

$2.77

$2.65

Reel

$2.53

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC1.33

Reel, Cut Tape, MouseReel

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

TC1.5-52T+
Mini-Circuits
1: $6.09
122In Stock

Mfr. Part No.
TC1.5-52T+

Mouser Part No
139-TC1.5-52T

Mini-Circuits

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

Learn More

Datasheet

122In Stock

Cut Tape

$6.09

$4.30

$3.66

$3.51

Reel

$3.41

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC1.5

Reel, Cut Tape, MouseReel

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

TCM3-1TX+
Mini-Circuits
1: $4.62
591In Stock

Mfr. Part No.
TCM3-1TX+

Mouser Part No
139-TCM3-1TX

Mini-Circuits

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

Learn More

Datasheet

591In Stock

Cut Tape

$4.62

$3.07

$2.42

$2.27

Reel

$2.27

MouseReel Available

Min.: 1
Mult.: 1

: 500

TCM3

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers 1:1 LTCC Transformer, 3100 - 4200 MHz, 50?

TCW1-422+
Mini-Circuits
1: $2.56
128In Stock

Mfr. Part No.
TCW1-422+

Mouser Part No
139-TCW1-422+

Mini-Circuits

Audio Transformers / Signal Transformers 1:1 LTCC Transformer, 3100 - 4200 MHz, 50?

Datasheet

128In Stock

Cut Tape

$2.56

Reel

$2.56

MouseReel Available

Min.: 1
Mult.: 1

: 500

RF Transformers

SMD/SMT

3.1 GHz to 4.2 GHz

- 55 C

+ 125 C

TCW1

Reel, Cut Tape, MouseReel

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

TRS1-23-75+
Mini-Circuits
1: $4.30
335In Stock

Mfr. Part No.
TRS1-23-75+

Mouser Part No
139-TRS1-23-75

Mini-Circuits

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

Learn More

Datasheet

335In Stock

Cut Tape

$4.30

$4.09

$4.04

Reel

$4.04

MouseReel Available

Min.: 1
Mult.: 1

: 500

TRS1

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers T1/E1 ISO MOD THT 6Pin 1CT:1CT 1Ch

TD15-1205ALF
HALO Electronics
1: $6.12
112In Stock

Mfr. Part No.
TD15-1205ALF

Mouser Part No
493-TD15-1205ALF

HALO Electronics

Audio Transformers / Signal Transformers T1/E1 ISO MOD THT 6Pin 1CT:1CT 1Ch

Learn More

Datasheet

112In Stock

$6.12

$3.96

$3.24

$2.61

View

Min.: 1
Mult.: 1

Isolation Transformers

Module

Through Hole

1.2 mH

1.5 kV

0 C

+ 70 C

Single

DIP-6

12.7 mm

8.89 mm

6.35 mm

TD-T1

Tube

Audio Transformers / Signal Transformers 10BASE-T SMD 1-Port GullWing 1:41

TG42-1406N1LF
HALO Electronics
1: $6.26
510In Stock

Mfr. Part No.
TG42-1406N1LF

Mouser Part No
493-TG42-1406N1LF

HALO Electronics

Audio Transformers / Signal Transformers 10BASE-T SMD 1-Port GullWing 1:41

Learn More

Datasheet

510In Stock

$6.26

$4.03

$3.28

$2.65

View

Min.: 1
Mult.: 1

LAN Isolation Transformers

Module

SMD/SMT

140 uH

1.5 kV

0 C

+ 70 C

Single

SMD-16

12.7 mm

7.11 mm

5.08 mm

TG-10BT

Tube

Audio Transformers / Signal Transformers

TG91-1505J24RL
HALO Electronics
1: $24.89
31In Stock

Mfr. Part No.
TG91-1505J24RL

Mouser Part No
493-TG91-1505J24RL

HALO Electronics

Audio Transformers / Signal Transformers

Datasheet

31In Stock

$24.89

$17.78

$14.93

$12.44

View

Min.: 1
Mult.: 1

Telecom Transformers

Isolated

SMD/SMT

- 40 C

+ 85 C

Octal

25.4 mm

7.62 mm

7.34 mm

SMD-T1

Tube

Audio Transformers / Signal Transformers 1:1.5 CORE & WIRE Transformer, 0.1 - 400 MHz, 50?

FT-1.5-1*C16+
Mini-Circuits
1: $97.50
1In Stock
10Expected 19/10/2026

Mfr. Part No.
FT-1.5-1*C16+

Mouser Part No
139-FT-1.5-1C16

Mini-Circuits

Audio Transformers / Signal Transformers 1:1.5 CORE & WIRE Transformer, 0.1 - 400 MHz, 50?

Datasheet

1In Stock

10Expected 19/10/2026

$97.50

Min.: 1
Mult.: 1

Tray

Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 0.15 - 400 MHz, 50?

T1-1-X65+
Mini-Circuits
1: $7.74
48In Stock
60Expected 24/8/2026
New At Mouser

Mfr. Part No.
T1-1-X65+

Mouser Part No
139-T1-1-X65+

New At Mouser

Mini-Circuits

Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 0.15 - 400 MHz, 50?

Datasheet

48In Stock

60Expected 24/8/2026

$7.74

Min.: 1
Mult.: 1

RF Transformers

Plug-In RF Transformer

Through Hole

150 kHz to 400 MHz

- 20 C

+ 85 C

Dual

X65

Tube

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

TC1-1T-75X+
Mini-Circuits
1: $4.56
355In Stock

Mfr. Part No.
TC1-1T-75X+

Mouser Part No
139-TC1-1T-75X

Mini-Circuits

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

Learn More

Datasheet

355In Stock

Cut Tape

$4.56

$2.99

$2.33

$2.28

Reel

$2.28

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC1

Reel, Cut Tape, MouseReel

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

TC4-122-75X+
Mini-Circuits
1: $4.76
88In Stock

Mfr. Part No.
TC4-122-75X+

Mouser Part No
139-TC4-122-75X

Mini-Circuits

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

Datasheet

88In Stock

Cut Tape

$4.76

$3.24

$2.53

$2.43

Reel

$2.33

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC4

Reel, Cut Tape, MouseReel

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

TC4-1W-7A+
Mini-Circuits
1: $5.00
162In Stock

Mfr. Part No.
TC4-1W-7A+

Mouser Part No
139-TC4-1W-7A

Mini-Circuits

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

Datasheet

162In Stock

Cut Tape

$5.00

$3.44

$2.77

$2.65

Reel

$2.53

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC4

Reel, Cut Tape, MouseReel

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

TCM3-1T+
Mini-Circuits
1: $5.00
45In Stock

Mfr. Part No.
TCM3-1T+

Mouser Part No
139-TCM3-1T

Mini-Circuits

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

Learn More

Datasheet

45In Stock

Cut Tape

$5.00

$3.44

$2.53

Reel

$2.53

MouseReel Available

Min.: 1
Mult.: 1

: 500

TCM3

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers SMD ISOLATION MODULE

TG01-FC07N1LF
HALO Electronics
1: $11.97
271In Stock

Mfr. Part No.
TG01-FC07N1LF

Mouser Part No
493-TG01-FC07N1LF

HALO Electronics

Audio Transformers / Signal Transformers SMD ISOLATION MODULE

Datasheet

271In Stock

$11.97

$7.72

$6.31

$5.10

View

Min.: 1
Mult.: 1

Isolation Transformers

Tube

Audio Transformers / Signal Transformers T1/E1 ISO MOD SMD GullWing 6P SingleCh

TG02-1205NSRL
HALO Electronics
1: $6.46
522In Stock

Mfr. Part No.
TG02-1205NSRL

Mouser Part No
493-TG02-1205NSRL

HALO Electronics

Audio Transformers / Signal Transformers T1/E1 ISO MOD SMD GullWing 6P SingleCh

Learn More

Datasheet

522In Stock

$6.46

$4.16

$3.40

$2.75

View

Min.: 1
Mult.: 1

Isolation Transformers

Module

SMD/SMT

1.2 mH

1.5 kV

0 C

+ 70 C

Single

SMD-6

8.13 mm

7.11 mm

5.08 mm

SMD-T1

Tube

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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60 nH
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1 uH, 342 uH
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3.75 uH
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100 mOhms
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700 mOhms
700 mOhms, 700 mOhms
800 mOhms
800 mOhms, 800 mOhms
900 mOhms
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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
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1 Ohms
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1.2 Ohms, 1 Ohms
1.5 Ohms to 15 Ohms
2 Ohms
2 Ohms, 1.7 Ohms
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1500 Vrms
1.501 kVAC
1.75 kVDC
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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

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