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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 1:9 CORE & WIRE Transformer, 0.15 - 200 MHz, 50?

T9-1+
Mini-Circuits
1: Rp126.587
170Expected 18/01/2027

Mfr. Part No.
T9-1+

Mouser Part No
139-T9-1+

Mini-Circuits

Audio Transformers / Signal Transformers 1:9 CORE & WIRE Transformer, 0.15 - 200 MHz, 50?

Datasheet

170Expected 18/01/2027

Rp126.587

Min.: 1
Mult.: 1

RF Transformers

Transformer

SMD/SMT

150 kHz to 200 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

TC1.33-1T-75+
Mini-Circuits
1: Rp67.513
87In Stock

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

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

Mini-Circuits

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

Learn More

Datasheet

87In Stock

Cut Tape

Rp67.513

Rp46.415

Rp37.609

Reel

Rp37.609

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC1.33

Reel, Cut Tape, MouseReel

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

TC1.33-282X+
Mini-Circuits
1: Rp91.363
234In Stock

Mfr. Part No.
TC1.33-282X+

Mouser Part No
139-TC1.33-282X

Mini-Circuits

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

Learn More

Datasheet

234In Stock

Cut Tape

Rp91.363

Rp67.513

Rp60.725

Reel

Rp60.725

Rp55.038

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC1.33

Reel, Cut Tape, MouseReel

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

TC2-72T-5+
Mini-Circuits
1: Rp67.513
185In Stock

Mfr. Part No.
TC2-72T-5+

Mouser Part No
139-TC2-72T-5

Mini-Circuits

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

Datasheet

185In Stock

Cut Tape

Rp67.513

Rp46.415

Rp37.426

Rp34.124

Reel

Rp34.124

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC2

Reel, Cut Tape, MouseReel

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

TRS1.33-1T-75+
Mini-Circuits
1: Rp59.808
265In Stock

Mfr. Part No.
TRS1.33-1T-75+

Mouser Part No
139-TRS1.33-1T-75

Mini-Circuits

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

Learn More

Datasheet

265In Stock

Cut Tape

Rp59.808

Reel

Rp59.808

MouseReel Available

Min.: 1
Mult.: 1

: 100

TRS1.33

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers 0.3uH 12V 1:1 DCR=0.6Ohms

TG01-7856NSLF
HALO Electronics
1: Rp262.348
244In Stock

Mfr. Part No.
TG01-7856NSLF

Mouser Part No
493-TG01-7856NSLF

HALO Electronics

Audio Transformers / Signal Transformers 0.3uH 12V 1:1 DCR=0.6Ohms

Datasheet

244In Stock

Rp262.348

Rp187.313

Rp157.409

Rp131.174

View

Min.: 1
Mult.: 1

Tube

Audio Transformers / Signal Transformers T1/E1 ISO MOD SMD GullWing 20P Quad Ch

TG05-1205NM5RL
HALO Electronics
1: Rp152.272
276In Stock

Mfr. Part No.
TG05-1205NM5RL

Mouser Part No
493-TG05-1205NM5RL

HALO Electronics

Audio Transformers / Signal Transformers T1/E1 ISO MOD SMD GullWing 20P Quad Ch

Learn More

Datasheet

276In Stock

Rp152.272

Rp72.100

Rp62.743

Rp62.193

View

Min.: 1
Mult.: 1

Isolation Transformers

Module

SMD/SMT

1.2 mH

1.5 kV

0 C

+ 70 C

Dual, Quad

SMD-20

15.62 mm

7.11 mm

6.35 mm

SMD-T1

Tube

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

TG110-HPE7N5RL
HALO Electronics
1: Rp156.858
336In Stock

Mfr. Part No.
TG110-HPE7N5RL

Mouser Part No
493-TG110-HPE7N5RL

HALO Electronics

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

Learn More

Datasheet

336In Stock

Rp156.858

Rp111.911

Rp94.115

Rp78.337

View

Min.: 1
Mult.: 1

LAN Transformers

Module

SMD/SMT

1 MHz to 80 MHz

350 uH

1.5 kV

- 40 C

+ 85 C

Single

SMD-16

12.7 mm

7.11 mm

6.35 mm

TG110

Tube

Audio Transformers / Signal Transformers GIGABIT ISO MOD GigE 2-Port

TG111-E212NWRLTR
HALO Electronics
1: Rp401.777
121In Stock
1.200Expected 10/12/2026

Mfr. Part No.
TG111-E212NWRLTR

Mouser Part No
493-TG111-E212NWRLTR

HALO Electronics

Audio Transformers / Signal Transformers GIGABIT ISO MOD GigE 2-Port

Learn More

Datasheet

121In Stock

1.200Expected 10/12/2026

Cut Tape

Rp401.777

Rp259.596

Rp211.713

Rp171.168

Reel

Rp143.649

View

MouseReel Available

Min.: 1
Mult.: 1

: 300

LAN Isolation Transformers

Module

SMD/SMT

- 40 C

+ 85 C

27.94 mm

7.62 mm

8.64 mm

TG1G

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers 10/100BASETX SMD 16P 1Port Choke

TG22-3506NDRL
HALO Electronics
1: Rp183.460
258In Stock

Mfr. Part No.
TG22-3506NDRL

Mouser Part No
493-TG22-3506NDRL

HALO Electronics

Audio Transformers / Signal Transformers 10/100BASETX SMD 16P 1Port Choke

Learn More

Datasheet

258In Stock

Rp183.460

Rp55.955

Min.: 1
Mult.: 1

LAN Isolation Transformers

Module

SMD/SMT

100 kHz to 100 MHz

350 uH

1.5 kV

0 C

+ 70 C

Single

SMD-16

25.4 mm

9.4 mm

Tube

Audio Transformers / Signal Transformers T1/E1 ISO MOD SMD GullWing 16P Dual Ch

TG74-1205N1LF
HALO Electronics
1: Rp92.647
120In Stock

Mfr. Part No.
TG74-1205N1LF

Mouser Part No
493-TG74-1205N1LF

HALO Electronics

Audio Transformers / Signal Transformers T1/E1 ISO MOD SMD GullWing 16P Dual Ch

Learn More

Datasheet

120In Stock

Rp92.647

Rp60.175

Rp48.984

Rp39.627

View

Min.: 1
Mult.: 1

LAN Isolation Transformers

Module

SMD/SMT

1.2 mH

1.5 kV

0 C

+ 70 C

Dual

SMD-16

12.7 mm

7.11 mm

5.08 mm

SMD-T1

Tube

Audio Transformers / Signal Transformers SMD ISOLATION MODULE

TG74-1406N1LF
HALO Electronics
1: Rp84.392
117In Stock

Mfr. Part No.
TG74-1406N1LF

Mouser Part No
493-TG74-1406N1LF

HALO Electronics

Audio Transformers / Signal Transformers SMD ISOLATION MODULE

Datasheet

117In Stock

Rp84.392

Rp54.304

Rp44.214

Rp35.775

View

Min.: 1
Mult.: 1

Isolation Transformers

Tube

Audio Transformers / Signal Transformers HV Balun Adaptor for SMPTE-292M HDTV

HFBL075100B
iNRCORE
1: Rp20.024.476
1In Stock
50Expected 07/10/2026

Mfr. Part No.
HFBL075100B

Mouser Part No
673-HFBL075100B

iNRCORE

Audio Transformers / Signal Transformers HV Balun Adaptor for SMPTE-292M HDTV

Datasheet

1In Stock

50Expected 07/10/2026

Rp20.024.476

Rp18.592.754

Min.: 1
Mult.: 1

Baluns

Module

Connector

100 Ohms

- 55 C

+ 125 C

Single

HFBL

Tube

Audio Transformers / Signal Transformers LAN 1 Port 10/100/1000 Base-T T,C

ALANL10001-FJC1KT
ABRACON
1: Rp106.957
471In Stock

Mfr. Part No.
ALANL10001-FJC1KT

Mouser Part No
815-ALANL10001FJC1KT

ABRACON

Audio Transformers / Signal Transformers LAN 1 Port 10/100/1000 Base-T T,C

Datasheet

471In Stock

Cut Tape

Rp106.957

Rp80.722

Rp76.870

Rp72.100

Reel

Rp57.790

View

MouseReel Available

Min.: 1
Mult.: 1

: 800

LAN Transformers

LAN

SMD/SMT

350 uH

- 40 C

+ 125 C

19.8 mm

16.6 mm

2.5 mm

ALANL10001

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers EXTMP XFMR 100BT SMG COM PBC

100B-1003
iNRCORE
1: Rp484.334
67In Stock

Mfr. Part No.
100B-1003

Mouser Part No
673-100B-1003

iNRCORE

Audio Transformers / Signal Transformers EXTMP XFMR 100BT SMG COM PBC

Datasheet

67In Stock

Rp484.334

Rp436.084

Rp417.922

Rp416.454

View

Min.: 1
Mult.: 1

RF Transformers

SMD/SMT

100 kHz to 100 MHz

350 uH

- 40 C

+ 85 C

Single

12.7 mm

6.73 mm

5.97 mm

100B

Tube

Audio Transformers / Signal Transformers EXTMP XFMR 100BT SMG COM PBC

100B-1003FX
iNRCORE
1: Rp535.703
2In Stock
80On Order

Mfr. Part No.
100B-1003FX

Mouser Part No
673-100B-1003FX

iNRCORE

Audio Transformers / Signal Transformers EXTMP XFMR 100BT SMG COM PBC

Datasheet

2In Stock

80On Order

Rp535.703

Rp482.133

Rp435.901

Rp431.314

View

Min.: 1
Mult.: 1

RF Transformers

SMD/SMT

100 kHz to 100 MHz

350 uH

- 55 C

+ 125 C

Single

12.7 mm

6.73 mm

5.97 mm

100B

Tube

Audio Transformers / Signal Transformers GIGABIT PoE+ ISO MOD 24P SMD Dual Port

TG111-HP3NZRL
HALO Electronics
1: Rp223.821
457In Stock

Mfr. Part No.
TG111-HP3NZRL

Mouser Part No
493-TG111-HP3NZRL

HALO Electronics

Audio Transformers / Signal Transformers GIGABIT PoE+ ISO MOD 24P SMD Dual Port

Learn More

Datasheet

457In Stock

Rp223.821

Rp144.566

Rp117.965

Rp95.399

View

Min.: 1
Mult.: 1

LAN Isolation Transformers

Module

SMD/SMT

1.5 kV

0 C

+ 70 C

Dual

SMD-24

17.78 mm

12.19 mm

5.84 mm

TG1G

Tube

Audio Transformers / Signal Transformers MDL SIN XFMR-CMC AEC-Q200

HM1236NL
Pulse Electronics
1: Rp70.999
296In Stock

Mfr. Part No.
HM1236NL

Mouser Part No
673-HM1236NL

Pulse Electronics

Audio Transformers / Signal Transformers MDL SIN XFMR-CMC AEC-Q200

Learn More

Datasheet

296In Stock

Rp70.999

Rp68.247

Rp67.146

Rp65.862

View

Min.: 1
Mult.: 1

Signal Transformers

SMD/SMT

500 uH

3.2 kV

- 40 C

+ 125 C

Single

8.64 mm

8.38 mm

4.06 mm

BMS

AEC-Q200

Tube

Audio Transformers / Signal Transformers SMPS Transformer Horizontal Type

ECO2225SEO-D01H016
TDK
1: Rp84.942
240In Stock

Mfr. Part No.
ECO2225SEO-D01H016

Mouser Part No
810-ECO2225SEOD01H16

TDK

Audio Transformers / Signal Transformers SMPS Transformer Horizontal Type

Datasheet

240In Stock

Rp84.942

Rp79.255

Rp77.237

Rp75.952

Rp69.715

Min.: 1
Mult.: 1

Signal Transformers

Pin Terminal Transformers

Terminals

567 uH

- 30 C

+ 120 C

Single

30.5 mm

26 mm

24 mm

ECO

Bulk

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

TCM1-1X+
Mini-Circuits
1: Rp61.459
665In Stock

Mfr. Part No.
TCM1-1X+

Mouser Part No
139-TCM1-1X

Mini-Circuits

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

Learn More

Datasheet

665In Stock

Cut Tape

Rp61.459

Rp40.361

Rp31.372

Rp30.087

Reel

Rp27.886

MouseReel Available

Min.: 1
Mult.: 1

: 500

TCM1

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers PLC transformer, 0.45W, Special EP13, 15V

PFBR45-SP13150S
Bourns
1: Rp96.683
5.039In Stock

Mfr. Part No.
PFBR45-SP13150S

Mouser Part No
652-PFBR45-SP13150S

Bourns

Audio Transformers / Signal Transformers PLC transformer, 0.45W, Special EP13, 15V

Learn More

Datasheet

5.039In Stock

Cut Tape

Rp96.683

Rp78.521

Rp64.211

Rp62.009

Reel

Rp55.221

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

1.15 mH

- 40 C

+ 125 C

PFB

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers RF BALUN 75/100OHM

HFBM075100C
iNRCORE
1: Rp22.030.244
4In Stock

Mfr. Part No.
HFBM075100C

Mouser Part No
673-HFBM075100C

iNRCORE

Audio Transformers / Signal Transformers RF BALUN 75/100OHM

Datasheet

4In Stock

Rp22.030.244

Min.: 1
Mult.: 1

HFBM

Tube

Audio Transformers / Signal Transformers WE-BMS SMT Transfomr 2Ch -40C/+125CAEC-Q200

74942300
Wurth Elektronik
1: Rp101.453
387In Stock

Mfr. Part No.
74942300

Mouser Part No
710-74942300

Wurth Elektronik

Audio Transformers / Signal Transformers WE-BMS SMT Transfomr 2Ch -40C/+125CAEC-Q200

Learn More

Datasheet

387In Stock

Cut Tape

Rp101.453

Rp88.244

Rp79.989

Rp72.283

Rp72.100

Reel

Rp57.423

MouseReel Available

Min.: 1
Mult.: 1

: 450

SMT transformer

SMD/SMT

450 uH

- 40 C

+ 125 C

1 Channel

15.1 mm

14.2 mm

4.75 mm

WE-BMS

AEC-Q200

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers 100Base-TX SMD PoE 350uH .65Ohms 1-Port

HX2260FNL
Pulse Electronics
1: Rp79.622
310In Stock
NRND

Mfr. Part No.
HX2260FNL

Mouser Part No
673-HX2260FNL

NRND

Pulse Electronics

Audio Transformers / Signal Transformers 100Base-TX SMD PoE 350uH .65Ohms 1-Port

Learn More

Datasheet

310In Stock

Rp79.622

Rp71.916

Rp67.697

Rp65.312

View

Min.: 1
Mult.: 1

LAN Transformers

Module

SMD/SMT

1 MHz to 125 MHz

350 uH

1.5 kV

- 40 C

+ 85 C

Single

12.7 mm

9.09 mm

5.99 mm

Tube

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

TC9-1-75X+
Mini-Circuits
1: Rp77.604
454In Stock

Mfr. Part No.
TC9-1-75X+

Mouser Part No
139-TC9-1-75X

Mini-Circuits

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

Datasheet

454In Stock

Cut Tape

Rp77.604

Rp56.506

Rp47.516

Rp44.214

Reel

Rp44.214

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC9

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