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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 TC XFMR / SURF MT / HAT RoHS

TC16-161TX+
Mini-Circuits
1: £3.18
8In Stock
500Expected 07/12/2026

Mfr. Part No.
TC16-161TX+

Mouser Part No
139-TC16-161TX

Mini-Circuits

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

Learn More

Datasheet

8In Stock

500Expected 07/12/2026

Cut Tape

£3.18

£2.31

£1.95

£1.81

Reel

£1.81

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC16

Reel, Cut Tape, MouseReel

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

TC3-1TG2+
Mini-Circuits
1: £3.25
120In Stock

Mfr. Part No.
TC3-1TG2+

Mouser Part No
139-TC3-1TG2

Mini-Circuits

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

Datasheet

120In Stock

Cut Tape

£3.25

£2.37

£2.02

£1.81

Reel

£1.76

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC3

Reel, Cut Tape, MouseReel

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

TC4-11X+
Mini-Circuits
1: £3.36
305In Stock

Mfr. Part No.
TC4-11X+

Mouser Part No
139-TC4-11X

Mini-Circuits

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

Datasheet

305In Stock

Cut Tape

£3.36

£2.37

£2.07

Reel

£2.07

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC4

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 0.004 - 300 MHz, 50?

TT1-6+
Mini-Circuits
1: £8.59
1In Stock
50On Order

Mfr. Part No.
TT1-6+

Mouser Part No
139-TT1-6+

Mini-Circuits

Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 0.004 - 300 MHz, 50?

Datasheet

1In Stock

50On Order

£8.59

Min.: 1
Mult.: 1

RF Transformers

Transformer

SMD/SMT

4 kHz to 300 MHz

50 Ohms

- 20 C

+ 85 C

1 Channel

HF/VHF, Balanced Antenna

W38

7.62 mm

6.86 mm

5.84 mm

TT1

Tube

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

TD10-1205ALF
HALO Electronics
1: £4.24
411In Stock

Mfr. Part No.
TD10-1205ALF

Mouser Part No
493-TD10-1205ALF

HALO Electronics

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

Learn More

Datasheet

411In Stock

£4.24

£2.74

£2.24

£1.81

View

Min.: 1
Mult.: 1

Isolation Transformers

Module

Through Hole

1.2 mH

1.5 kV

0 C

+ 70 C

Single

T1/E1 Line Interface

DIP-6

12.7 mm

8.89 mm

6.35 mm

TD-T1

Tube

Audio Transformers / Signal Transformers T1/E1 ISO MOD THT 6Pin 1:1.36CT 1Ch

TD70-1205ALF
HALO Electronics
1: £4.24
40In Stock

Mfr. Part No.
TD70-1205ALF

Mouser Part No
493-TD70-1205ALF

HALO Electronics

Audio Transformers / Signal Transformers T1/E1 ISO MOD THT 6Pin 1:1.36CT 1Ch

Learn More

Datasheet

40In Stock

£4.24

£2.74

£2.24

£1.81

View

Min.: 1
Mult.: 1

Isolation Transformers

Module

Through Hole

1.2 mH

1.5 kV

0 C

+ 70 C

Single

T1/E1 Line Interface

DIP-6

12.7 mm

8.89 mm

6.35 mm

TD-T1

Tube

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

TG110-BP01NURL
HALO Electronics
1: £11.51
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

£11.51

£3.49

Min.: 1
Mult.: 1

LAN Isolation Transformers

TG110-BP

Tube

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

TG110-RP55N5RLTR
HALO Electronics
1: £6.88
2In Stock
700Expected 28/08/2026

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 28/08/2026

Cut Tape

£6.88

£4.46

£3.64

£2.94

View

Reel

£2.29

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

10/100 Base-TX PoE Interface

SMD-16

12.7 mm

7.11 mm

6.35 mm

TG110

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers SMD ISOLATION MODULE

TG1G-S001NZLF
HALO Electronics
1: £10.09
122In Stock

Mfr. Part No.
TG1G-S001NZLF

Mouser Part No
493-TG1G-S001NZLF

HALO Electronics

Audio Transformers / Signal Transformers SMD ISOLATION MODULE

Datasheet

122In Stock

£10.09

£6.51

£5.32

£4.30

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: £4.48
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

£4.48

£2.88

£2.36

£1.90

View

Min.: 1
Mult.: 1

LAN Isolation Transformers

Module

SMD/SMT

1.2 mH

1.5 kV

0 C

+ 70 C

Single

T1/E1 Line Interface

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: £5.28
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

£5.28

£3.42

£2.79

£2.25

Reel

£1.89

View

Min.: 1
Mult.: 1

: 300

Isolation Transformers

Reel, Cut Tape

Audio Transformers / Signal Transformers MDL DUAL 100D 1:1 SMT TU PBC

100B-2002X
iNRCORE
1: £29.15
56In Stock

Mfr. Part No.
100B-2002X

Mouser Part No
673-100B-2002X

iNRCORE

Audio Transformers / Signal Transformers MDL DUAL 100D 1:1 SMT TU PBC

Datasheet

56In Stock

£29.15

£26.22

£23.52

£23.51

Quote

Min.: 1
Mult.: 1

100B

Tube

Audio Transformers / Signal Transformers MODEM TRANSFORMERS 75Ohm Prim. DCR 95Ohm sec

TTC-142-2
Tamura
1: £4.29
540In Stock

Mfr. Part No.
TTC-142-2

Mouser Part No
838-TTC-142-2

Tamura

Audio Transformers / Signal Transformers MODEM TRANSFORMERS 75Ohm Prim. DCR 95Ohm sec

Datasheet

540In Stock

£4.29

£3.64

£3.55

£3.40

View

Min.: 1
Mult.: 1

Telecom Transformers

600 Ohms

Wet Coupling

TTC

Audio Transformers / Signal Transformers -

ATB322515-0110-T000
TDK
1: £1.76
507In Stock
NRND

Mfr. Part No.
ATB322515-0110-T000

Mouser Part No
810-ATB32150110T000

NRND

TDK

Audio Transformers / Signal Transformers -

Learn More

Datasheet

507In Stock

Cut Tape

£1.76

£1.28

£1.15

£1.07

Reel

£0.863

View

Min.: 1
Mult.: 1

: 1,000

Step up

ATB

Reel, Cut Tape

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

ADT2-162T+
Mini-Circuits
1: £6.68
60In Stock

Mfr. Part No.
ADT2-162T+

Mouser Part No
139-ADT2-162T

Mini-Circuits

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

Datasheet

60In Stock

Cut Tape

£6.68

£6.30

Reel

£6.30

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: £15.84
51In Stock
100Expected 07/09/2026

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 07/09/2026

Cut Tape

£15.84

£8.87

£8.75

Reel

£8.75

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: £5.45
48In Stock
80Expected 09/11/2026

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

48In Stock

80Expected 09/11/2026

£5.45

£5.33

Min.: 1
Mult.: 1

RF Transformers

Plug-In Wire Transformer

Through Hole

80 kHz to 200 MHz

- 20 C

+ 85 C

1 Channel

Receivers / Transmitters, VHF

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: £2.37
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

£2.37

£2.36

£2.33

£2.10

Reel

£2.10

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: £2.44
618In Stock
4,000Expected 07/10/2026

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 07/10/2026

Cut Tape

£2.44

£1.58

£1.20

£1.12

Reel

£1.09

£1.06

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: £2.76
360In 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

360In Stock

Cut Tape

£2.76

£1.90

£1.53

£1.47

Reel

£1.40

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: £3.36
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

£3.36

£2.37

£2.02

£1.94

Reel

£1.89

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: £2.55
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

£2.55

£1.69

£1.34

£1.26

Reel

£1.26

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: £1.41
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

£1.41

Reel

£1.41

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: £2.37
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

£2.37

£2.26

£2.23

Reel

£2.23

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: £4.24
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

£4.24

£2.74

£2.24

£1.81

View

Min.: 1
Mult.: 1

Isolation Transformers

Module

Through Hole

1.2 mH

1.5 kV

0 C

+ 70 C

Single

T1/E1 Line Interface

DIP-6

12.7 mm

8.89 mm

6.35 mm

TD-T1

Tube

Audio Transformers / Signal Transformers

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Isolation Module
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10 / 100 Base-TX
1000Base-T, 10GBase-T
1G Base-T PoE Transformer
Adaptors
ADSL
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Audio Transformer
Automotive
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Ethernet Transformers
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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

10 Base-T
10 Base-T Interface
100 Base-T
100 Base-T PoE
100 Base-TX
100 Base-TX PoE
1000 Base-T
1000 Base-T PoE
1000 Base-T PoE Plus
64 KBPS
10/100 Base-T
10/100 Base-T Broadband
10/100 Base-T PoE
10/100 Base-T, AutoMDIX
10/100 Base-T, Power over Ethernet (PoE+)
10/100 Base-TX
10/100 Base-TX AEC-Q200
10/100 Base-TX Interface
10/100 Base-TX PoE Interface
10/100 Base-TX PoE+ Interface

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