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

TG110-RPE5N5RLTR
HALO Electronics
1: HK$68.64
275In Stock

Mfr. Part No.
TG110-RPE5N5RLTR

Mouser Part No
493-TG110-RPE5N5RLTR

HALO Electronics

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

Learn More

Datasheet

275In Stock

Cut Tape

HK$68.64

HK$44.39

HK$36.17

HK$29.26

Reel

HK$21.13

View

MouseReel Available

Min.: 1
Mult.: 1

: 700

LAN Isolation Transformers

Module

SMD/SMT

1 MHz to 80 MHz

1.5 kV

- 40 C

+ 85 C

Single

SMD-16

12.7 mm

7.11 mm

6.35 mm

TG110

Reel, Cut Tape, MouseReel

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

TG111-E212NWRLTR
HALO Electronics
1: HK$180.02
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

HK$180.02

HK$116.31

HK$94.86

HK$76.69

Reel

HK$64.36

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: HK$82.20
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

HK$82.20

HK$25.07

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: HK$41.51
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

HK$41.51

HK$26.96

HK$21.95

HK$17.76

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: HK$37.81
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

HK$37.81

HK$24.33

HK$19.81

HK$16.03

View

Min.: 1
Mult.: 1

Isolation Transformers

Tube

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

HFBL075100B
iNRCORE
1: HK$8,972.05
1In Stock
50Expected 7/10/2026

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 7/10/2026

HK$8,972.05

HK$8,330.56

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,S

ALAN110001-4J41DT
ABRACON
1: HK$54.66
366In Stock

Mfr. Part No.
ALAN110001-4J41DT

Mouser Part No
815-ALAN1100014J41DT

ABRACON

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

Learn More

Datasheet

366In Stock

Cut Tape

HK$54.66

HK$42.42

HK$40.69

HK$39.46

Reel

HK$34.28

View

MouseReel Available

Min.: 1
Mult.: 1

: 550

LAN Transformers

LAN

SMD/SMT

1 MHz to 100 MHz

350 uH

- 40 C

+ 85 C

Single

18.3 mm

16.5 mm

6.4 mm

ALAN110001

Reel, Cut Tape, MouseReel

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

ALANL10001-FJC1KT
ABRACON
1: HK$47.92
473In 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

473In Stock

Cut Tape

HK$47.92

HK$36.17

HK$34.44

HK$32.30

Reel

HK$25.89

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: HK$217.01
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

HK$217.01

HK$195.39

HK$187.25

HK$186.59

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: HK$240.02
2In Stock
80Expected 20/10/2026

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

80Expected 20/10/2026

HK$240.02

HK$216.02

HK$195.31

HK$193.25

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 TC XFMR / SURF MOUNT HAT RoHS

TCM1-1X+
Mini-Circuits
1: HK$27.54
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

HK$27.54

HK$18.08

HK$14.06

HK$13.48

Reel

HK$12.49

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: HK$43.32
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

HK$43.32

HK$35.18

HK$28.77

HK$27.78

Reel

HK$24.74

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: HK$9,870.74
4In Stock

Mfr. Part No.
HFBM075100C

Mouser Part No
673-HFBM075100C

iNRCORE

Audio Transformers / Signal Transformers RF BALUN 75/100OHM

Datasheet

4In Stock

HK$9,870.74

Min.: 1
Mult.: 1

HFBM

Tube

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

74942300
Wurth Elektronik
1: HK$45.46
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

HK$45.46

HK$39.54

HK$35.84

HK$32.39

HK$32.30

Reel

HK$25.73

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 T3/DS3/E3/STS-1 SMD 1-Port 1:2 Gullwing

TG07-0356NSRL
HALO Electronics
1: HK$50.96
540In Stock

Mfr. Part No.
TG07-0356NSRL

Mouser Part No
493-TG07-0356NSRL

HALO Electronics

Audio Transformers / Signal Transformers T3/DS3/E3/STS-1 SMD 1-Port 1:2 Gullwing

Learn More

Datasheet

540In Stock

HK$50.96

HK$32.96

HK$26.88

HK$21.78

View

Min.: 1
Mult.: 1

Isolation Transformers

Module

SMD/SMT

35 uH

1.5 kV

- 40 C

+ 85 C

Single

SMD-6

8.13 mm

7.11 mm

5.08 mm

SMD-T3

Tube

Audio Transformers / Signal Transformers Disc. Eth. Mag. Single Port SMT

2337822-4
TE Connectivity
1: HK$73.57
471In Stock

Mfr. Part No.
2337822-4

Mouser Part No
571-2337822-4

TE Connectivity

Audio Transformers / Signal Transformers Disc. Eth. Mag. Single Port SMT

Learn More

Datasheet

471In Stock

HK$73.57

HK$58.36

HK$54.17

HK$49.57

View

Min.: 1
Mult.: 1

PoE Transformers

SMD/SMT

30 MHz to 100 MHz

350 uH

1.5 kV

- 40 C

+ 105 C

Single

12.7 mm

8.7 mm

6.2 mm

Audio Transformers / Signal Transformers HV ISO TRANSFORMER 215uH 30%

SM51384EL
Bourns
1: HK$18.66
1,321In Stock

Mfr. Part No.
SM51384EL

Mouser Part No
652-SM51384EL

Bourns

Audio Transformers / Signal Transformers HV ISO TRANSFORMER 215uH 30%

Learn More

Datasheet

1,321In Stock

Cut Tape

HK$18.66

HK$16.19

HK$15.54

HK$14.88

Reel

HK$13.40

View

MouseReel Available

Min.: 1
Mult.: 1

: 350

Isolated

SMD/SMT

100 kHz

215 uH

4 kV

- 40 C

+ 95 C

Single

12.7 mm

10.6 mm

9 mm

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers 1500V 350uH 8mA 2%

HX6135HL
Pulse Electronics
1: HK$128.81
270In Stock

Mfr. Part No.
HX6135HL

Mouser Part No
673-HX6135HL

Pulse Electronics

Audio Transformers / Signal Transformers 1500V 350uH 8mA 2%

Learn More

Datasheet

270In Stock

HK$128.81

HK$113.93

HK$109.08

HK$105.63

View

Min.: 1
Mult.: 1

Module

SMD/SMT

350 uH

1500 Vrms

- 40 C

+ 85 C

27.94 mm

7.55 mm

8.33 mm

Tube

Audio Transformers / Signal Transformers Industrial Planar Transformers

R8301NL
iNRCORE
1: HK$120.75
979In Stock

Mfr. Part No.
R8301NL

Mouser Part No
673-R8301NL

iNRCORE

Audio Transformers / Signal Transformers Industrial Planar Transformers

Datasheet

979In Stock

HK$120.75

HK$108.75

HK$104.81

HK$100.45

View

Min.: 1
Mult.: 1

Planar

SMD/SMT

200 kHz to 700 kHz

153 uH

1.75 kVDC

- 40 C

+ 125 C

23.4 mm

21.6 mm

8.6 mm

Bulk

Audio Transformers / Signal Transformers WE-PLC EE13/7/4 (EF12.6) THT

750510476
Wurth Elektronik
1: HK$43.16
407In Stock

Mfr. Part No.
750510476

Mouser Part No
710-750510476

Wurth Elektronik

Audio Transformers / Signal Transformers WE-PLC EE13/7/4 (EF12.6) THT

Learn More

Datasheet

407In Stock

HK$43.16

HK$39.05

HK$37.48

HK$36.33

View

Min.: 1
Mult.: 1

Signal Transformers

PLC

Through Hole

870 uH

4 kVAC

- 40 C

+ 125 C

Single

13.72 mm

19.8 mm

10.16 mm

WE-PLC

Tray

Audio Transformers / Signal Transformers Transformer 1:1 TxLine

MABA-010321-CT1A42
MACOM
1: HK$26.30
1,958In Stock

Mfr. Part No.
MABA-010321-CT1A42

Mouser Part No
937-MABA010321CT1A42

MACOM

Audio Transformers / Signal Transformers Transformer 1:1 TxLine

Datasheet

1,958In Stock

Cut Tape

HK$26.30

HK$23.84

HK$21.54

HK$20.22

Reel

HK$17.51

View

Min.: 1
Mult.: 1

: 2,000

Transmission Line Transformers

SMD/SMT

Reel, Cut Tape

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

TC1-15X+
Mini-Circuits
1: HK$32.80
687In Stock

Mfr. Part No.
TC1-15X+

Mouser Part No
139-TC1-15X

Mini-Circuits

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

Learn More

Datasheet

687In Stock

Cut Tape

HK$32.80

HK$22.11

HK$18.08

HK$17.26

Reel

HK$16.69

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC1

Reel, Cut Tape, MouseReel

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

TC1-42+
Mini-Circuits
1: HK$32.80
548In Stock

Mfr. Part No.
TC1-42+

Mouser Part No
139-TC1-42

Mini-Circuits

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

Learn More

Datasheet

548In Stock

Cut Tape

HK$32.80

HK$22.11

HK$18.08

HK$17.26

Reel

HK$16.69

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC1

Reel, Cut Tape, MouseReel

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

TG111-HRPE41NYRL
HALO Electronics
1: HK$99.05
225In Stock

Mfr. Part No.
TG111-HRPE41NYRL

Mouser Part No
493-TG111-HRPE41NYRL

HALO Electronics

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

Learn More

225In Stock

HK$99.05

HK$63.95

HK$33.37

HK$31.89

View

Min.: 1
Mult.: 1

PoE Isolation Transformers

13.84 mm

12.19 mm

6.35 mm

TG1G

Tube

Audio Transformers / Signal Transformers 5-300MHz 1:2 omped. 75 ohm

MABA-011050
MACOM
1: HK$31.81
4,791In Stock

Mfr. Part No.
MABA-011050

Mouser Part No
937-MABA-011050

MACOM

Audio Transformers / Signal Transformers 5-300MHz 1:2 omped. 75 ohm

Datasheet

4,791In Stock

Cut Tape

HK$31.81

HK$24.66

HK$21.78

HK$20.47

Reel

HK$18.33

View

MouseReel Available

Min.: 1
Mult.: 1

: 900

Baluns

SMD/SMT

5 MHz to 300 MHz

75 Ohms

- 40 C

+ 125 C

Single

7.11 mm

6.35 mm

2.57 mm

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers

Customer Service Office

Company

Resources

Support

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