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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 10/100 BASE-T 0C-70C 4-PORT

B78476A8068A003
TDK
1: $6.268
397In Stock

Mfr. Part #
B78476A8068A003

Mouser Part #
871-B78476A8068A3

TDK

Audio Transformers / Signal Transformers 10/100 BASE-T 0C-70C 4-PORT

Learn More

Datasheet

397In Stock

Cut Tape

$6.268

$5.406

$5.195

$5.027

Reel

$4.301

View

MouseReel Available

Min.: 1
Mult.: 1

: 350

LAN Transformers

Module

SMD/SMT

350 uH

0 C

+ 70 C

Dual

13.64 mm

11.94 mm

6.22 mm

B78476A

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 2-Port

H5020NLT
Pulse Electronics
1: $19.172
87In Stock

Mfr. Part #
H5020NLT

Mouser Part #
673-H5020NLT

Pulse Electronics

Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 2-Port

Learn More

Datasheet

87In Stock

Cut Tape

$19.172

$16.249

$15.449

$14.966

Reel

$13.840

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

LAN Transformers

Module

SMD/SMT

1 MHz to 100 MHz

350 uH

1.5 kV

0 C

+ 70 C

Dual

27.94 mm

10.92 mm

7.54 mm

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers SMD T3/DS3/E3/STS-1 19uH 1-Port

PE-65968NLT
Pulse Electronics
1: $7.414
804In Stock

Mfr. Part #
PE-65968NLT

Mouser Part #
673-PE-65968NLT

Pulse Electronics

Audio Transformers / Signal Transformers SMD T3/DS3/E3/STS-1 19uH 1-Port

Datasheet

804In Stock

Cut Tape

$7.414

$6.331

$6.068

$5.889

Reel

$5.206

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Telecom Transformers

Module

SMD/SMT

250 kHz to 500 MHz

60 nH

1.5 kV

0 C

+ 70 C

Single

7.62 mm

9.91 mm

6.35 mm

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers Genesus -40/+85C Mini 1G For MiniPhy

TG111-MSCHPLF
HALO Electronics
1: $13.356
262In Stock

Mfr. Part #
TG111-MSCHPLF

Mouser Part #
493-TG111-MSCHPLF

HALO Electronics

Audio Transformers / Signal Transformers Genesus -40/+85C Mini 1G For MiniPhy

Learn More

Datasheet

262In Stock

$13.356

$8.603

$5.679

$4.764

View

Min.: 1
Mult.: 1

LAN Isolation Transformers

Module

SMD/SMT

350 uH

1.5 kV

- 40 C

+ 85 C

Quad

SMD-24

14.22 mm

7.62 mm

8.64 mm

GENESUS

Tube

Audio Transformers / Signal Transformers XFMR,RF,1:1,50-1000MHZ W-C NPB

CX2024ANLT
Pulse Electronics
1: $4.249
1.600In Stock

Mfr. Part #
CX2024ANLT

Mouser Part #
673-CX2024ANLT

Pulse Electronics

Audio Transformers / Signal Transformers XFMR,RF,1:1,50-1000MHZ W-C NPB

Datasheet

1.600In Stock

Cut Tape

$4.249

$3.450

$2.903

$2.734

View

Reel

$1.977

Min.: 1
Mult.: 1

: 1.600

RF Transformers

Reel, Cut Tape

Audio Transformers / Signal Transformers 10/100Base-TX SMD Non-PoE 1-Port

H1081NL
Pulse Electronics
1: $7.909
189In Stock

Mfr. Part #
H1081NL

Mouser Part #
673-H1081NL

Pulse Electronics

Audio Transformers / Signal Transformers 10/100Base-TX SMD Non-PoE 1-Port

Learn More

Datasheet

189In Stock

$7.909

$6.752

$6.468

$6.268

View

Min.: 1
Mult.: 1

LAN Transformers

Module

SMD/SMT

100 kHz to 100 MHz

350 uH

1.5 kV

0 C

+ 70 C

Single

17.78 mm

13.72 mm

5.84 mm

Tube

Audio Transformers / Signal Transformers THT T1/CEPT/ISDN-Pri 1200uH .7Ohms 2-Por

PE-64934NL
Pulse Electronics
1: $6.394
395In Stock

Mfr. Part #
PE-64934NL

Mouser Part #
673-PE-64934NL

Pulse Electronics

Audio Transformers / Signal Transformers THT T1/CEPT/ISDN-Pri 1200uH .7Ohms 2-Por

Learn More

Datasheet

395In Stock

$6.394

$5.017

$4.817

$4.670

View

Min.: 1
Mult.: 1

ISDN Transformers

Module

Through Hole

500 nH

700 mOhms

1.5 kV

0 C

+ 70 C

Dual

12.7 mm

8.89 mm

6.35 mm

Tube

Audio Transformers / Signal Transformers THT T3/DS3/E3/STS-1 40uH 1-Port

PE-68629NL
Pulse Electronics
1: $8.824
2.021In Stock

Mfr. Part #
PE-68629NL

Mouser Part #
673-PE-68629NL

Pulse Electronics

Audio Transformers / Signal Transformers THT T3/DS3/E3/STS-1 40uH 1-Port

Datasheet

2.021In Stock

$8.824

$7.551

$7.246

$7.015

View

Min.: 1
Mult.: 1

Telecom Transformers

Module

Through Hole

500 MHz

100 nH

3 kV

0 C

+ 70 C

Single

12.7 mm

8.89 mm

6.35 mm

Tube

Audio Transformers / Signal Transformers 7uH 3KV 1:1:2 2% AEC-Q200

BX6152NL
Pulse Electronics
1: $4.575
752In Stock

Mfr. Part #
BX6152NL

Mouser Part #
673-BX6152NL

Pulse Electronics

Audio Transformers / Signal Transformers 7uH 3KV 1:1:2 2% AEC-Q200

Learn More

Datasheet

752In Stock

$4.575

$4.133

$3.755

$3.607

View

Min.: 1
Mult.: 1

Power Line Communication Transformers

PLC

SMD/SMT

- 40 C

+ 85 C

Single

11.3 mm

10.3 mm

7.62 mm

AEC-Q200

Tube

Audio Transformers / Signal Transformers WE-SPE 1:1 2.2mH 8Pins

749070011
Wurth Elektronik
1: $2.524
1.295In Stock
New Product

Mfr. Part #
749070011

Mouser Part #
710-749070011

New Product

Wurth Elektronik

Audio Transformers / Signal Transformers WE-SPE 1:1 2.2mH 8Pins

Learn More

Datasheet

1.295In Stock

Cut Tape

$2.524

$1.988

$1.883

$1.777

Reel

$1.609

View

MouseReel Available

Min.: 1
Mult.: 1

: 650

Signal Transformer

SMD/SMT

2.2 mH

2.25 kVDC

- 40 C

+ 125 C

1 Channel

SMD-8

6.5 mm

6.1 mm

5.46 mm

WE-SPE

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers

TGR01-7206V6LFTR
HALO Electronics
1: $12.620
1.100In Stock

Mfr. Part #
TGR01-7206V6LFTR

Mouser Part #
493-TGR01-7206V6LFTR

HALO Electronics

Audio Transformers / Signal Transformers

1.100In Stock

Cut Tape

$12.620

$9.013

$7.572

$6.310

Reel

$5.258

View

MouseReel Available

Min.: 1
Mult.: 1

: 300

TGR

Reel, Cut Tape, MouseReel

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

100B-2002X
iNRCORE
1: $40.827
56In Stock

Mfr. Part #
100B-2002X

Mouser Part #
673-100B-2002X

iNRCORE

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

Datasheet

56In Stock

$40.827

$36.725

$32.939

$32.928

Quote

Min.: 1
Mult.: 1

100B

Tube

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

TTC-142-2
Tamura
1: $6.005
540In Stock

Mfr. Part #
TTC-142-2

Mouser Part #
838-TTC-142-2

Tamura

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

Datasheet

540In Stock

$6.005

$5.101

$4.974

$4.764

View

Min.: 1
Mult.: 1

Telecom Transformers

600 Ohms

TTC

Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 0.01 - 150 MHz, 50?

T1-6-KK81+
Mini-Circuits
1: $9.676
8In Stock
100Expected 9/14/2026
New At Mouser

Mfr. Part #
T1-6-KK81+

Mouser Part #
139-T1-6-KK81+

New At Mouser

Mini-Circuits

Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 0.01 - 150 MHz, 50?

Datasheet

8In Stock

100Expected 9/14/2026

Cut Tape

$9.676

$9.350

$9.087

$8.824

Reel

$8.813

MouseReel Available

Min.: 1
Mult.: 1

: 100

RF Transformers

SMD/SMT

10 kHz to 150 MHz

- 20 C

+ 85 C

7.62 mm

6.86 mm

5.84 mm

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers 1:4 CORE & WIRE Transformer, 0.02 - 250 MHz, 50?

T4-6T+
Mini-Circuits
1: $9.718
5In Stock

Mfr. Part #
T4-6T+

Mouser Part #
139-T4-6T+

Mini-Circuits

Audio Transformers / Signal Transformers 1:4 CORE & WIRE Transformer, 0.02 - 250 MHz, 50?

Datasheet

5In Stock

$9.718

Min.: 1
Mult.: 1

RF Transformers

Transformer

SMD/SMT

20 kHz to 250 MHz

50 Ohms

- 20 C

+ 85 C

1 Channel

7.62 mm x 6.86 mm

Bulk

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

TC1.33-182X-75+
Mini-Circuits
1: $3.923
93In Stock
500Expected 12/14/2026

Mfr. Part #
TC1.33-182X-75+

Mouser Part #
139-TC1.33-182X-75

Mini-Circuits

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

Learn More

Datasheet

93In Stock

500Expected 12/14/2026

Cut Tape

$3.923

$2.724

$2.209

$2.009

Reel

$2.009

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC1.33

Reel, Cut Tape, MouseReel

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

TC3-1TG2+
Mini-Circuits
1: $4.554
120In Stock

Mfr. Part #
TC3-1TG2+

Mouser Part #
139-TC3-1TG2

Mini-Circuits

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

Datasheet

120In Stock

Cut Tape

$4.554

$3.323

$2.829

$2.535

Reel

$2.461

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: $4.712
305In Stock

Mfr. Part #
TC4-11X+

Mouser Part #
139-TC4-11X

Mini-Circuits

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

Datasheet

305In Stock

Cut Tape

$4.712

$3.323

$2.903

Reel

$2.903

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: $12.021
1In Stock
50On Order

Mfr. Part #
TT1-6+

Mouser Part #
139-TT1-6+

Mini-Circuits

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

Datasheet

1In Stock

50On Order

$12.021

Min.: 1
Mult.: 1

RF Transformers

Transformer

SMD/SMT

4 kHz to 300 MHz

50 Ohms

- 20 C

+ 85 C

1 Channel

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: $4.733
411In Stock

Mfr. Part #
TD10-1205ALF

Mouser Part #
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

$4.733

$3.060

$2.503

$2.019

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

TD70-1205ALF
HALO Electronics
1: $4.733
38In Stock

Mfr. Part #
TD70-1205ALF

Mouser Part #
493-TD70-1205ALF

HALO Electronics

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

Learn More

Datasheet

38In Stock

$4.733

$3.060

$2.503

$2.019

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 ETHERNET BACKPLANE 32P ISO MOD SMD

TG110-BP01NURL
HALO Electronics
1: $12.831
160In Stock

Mfr. Part #
TG110-BP01NURL

Mouser Part #
493-TG110-BP01NURL

HALO Electronics

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

Learn More

Datasheet

160In Stock

$12.831

$3.891

Min.: 1
Mult.: 1

LAN Isolation Transformers

TG110-BP

Tube

Audio Transformers / Signal Transformers SMD ISOLATION MODULE

TG1G-S001NZLF
HALO Electronics
1: $11.253
121In Stock
476Expected 11/27/2026

Mfr. Part #
TG1G-S001NZLF

Mouser Part #
493-TG1G-S001NZLF

HALO Electronics

Audio Transformers / Signal Transformers SMD ISOLATION MODULE

Datasheet

121In Stock

476Expected 11/27/2026

$11.253

$7.267

$5.932

$4.796

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: $4.996
506In Stock

Mfr. Part #
TG70-1205NSRL

Mouser Part #
493-TG70-1205NSRL

HALO Electronics

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

Learn More

Datasheet

506In Stock

$4.996

$3.218

$2.629

$2.124

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: $5.889
297In Stock

Mfr. Part #
TGP3-S005EP7LFTR

Mouser Part #
493-TGP3-S005EP7LFTR

HALO Electronics

Audio Transformers / Signal Transformers SMD ISOLATION MODULE

Datasheet

297In Stock

Cut Tape

$5.889

$3.818

$3.113

$2.514

Reel

$2.114

View

Min.: 1
Mult.: 1

: 300

Isolation Transformers

Reel, Cut Tape

Audio Transformers / Signal Transformers

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Gate Drive Transformers
High Voltager LAN Transformers
Impedance Matching Transformers
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Isolation Module
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10 / 100 Base-TX
1000Base-T, 10GBase-T
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10 Hz to 30 kHz
20 Hz to 20 kHz
30 Hz to 15 kHz
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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
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60 nH
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2.925 uH, 5.85 uH
3.75 uH
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5 uH
6 uH, 17 uH

100 mOhms
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500 mOhms
650 mOhms
700 mOhms
700 mOhms, 700 mOhms
800 mOhms
800 mOhms, 800 mOhms
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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
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4 Ohms
4 Ohms, 16 Ohms
4 Ohms, 8 Ohms
4 Ohms, 8 Ohms, 16 Ohms
4.2 Ohms

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50 V
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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
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140
141
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149