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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 SMD ISOLATION MODULE GigE 2-Port Gigabit

TG111-E212NWLF
HALO Electronics
1: $20.50
822In Stock

Mfr. Part No.
TG111-E212NWLF

Mouser Part No
493-TG111-E212NWLF

HALO Electronics

Audio Transformers / Signal Transformers SMD ISOLATION MODULE GigE 2-Port Gigabit

Learn More

Datasheet

822In Stock

$20.50

$13.23

$10.79

$8.73

View

Min.: 1
Mult.: 1

LAN Isolation Transformers

Module

SMD/SMT

- 40 C

+ 85 C

Gigabit Interface

27.94 mm

7.62 mm

8.64 mm

TG1G

Tube

Audio Transformers / Signal Transformers FA2805 SMT Flyback For Si341, Si3402

FA2805-CLD
Coilcraft
1: $4.94
593In Stock
700Expected 27/04/2026

Mfr. Part No.
FA2805-CLD

Mouser Part No
994-FA2805-CLD

Coilcraft

Audio Transformers / Signal Transformers FA2805 SMT Flyback For Si341, Si3402

Learn More

Datasheet

593In Stock

700Expected 27/04/2026

Cut Tape

$4.94

$3.73

$3.56

$3.33

Reel

$3.05

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 175

Flyback Transformers

Flyback

SMD/SMT

200 kHz

40 uH

1.5 kV

- 40 C

+ 85 C

Single

Si3402 PD Controller

13.46 mm

13 mm

12.7 mm

FA2805

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers

1000B-5016X
iNRCORE
1: $28.91
60In Stock

Mfr. Part No.
1000B-5016X

Mouser Part No
673-1000B-5016X

iNRCORE

Audio Transformers / Signal Transformers

Datasheet

60In Stock

$28.91

$27.51

$23.37

$23.35

View

Min.: 1
Mult.: 1

SMD/SMT

1500 Vrms

- 40 C

+ 85 C

1 Channel

15.24 mm

7.87 mm

4.14 mm

Tube

Audio Transformers / Signal Transformers 10/100BASE-TX SMD Ultra POE+ 1-Port

TG110-HPE7N5LF
HALO Electronics
1: $8.05
841In Stock

Mfr. Part No.
TG110-HPE7N5LF

Mouser Part No
493-TG110-HPE7N5LF

HALO Electronics

Audio Transformers / Signal Transformers 10/100BASE-TX SMD Ultra POE+ 1-Port

Datasheet

841In Stock

$8.05

$5.18

$4.23

$3.42

View

Min.: 1
Mult.: 1

LAN Isolation Transformers

SMD/SMT

- 40 C

+ 85 C

Dual

12.7 mm

7.11 mm

6.35 mm

TG110

Tube

Audio Transformers / Signal Transformers GIGABIT ISO MOD SMD 24P 1-Port w/Choke

TG1G-S002NZRL
HALO Electronics
1: $12.65
490In Stock

Mfr. Part No.
TG1G-S002NZRL

Mouser Part No
493-TG1G-S002NZRL

HALO Electronics

Audio Transformers / Signal Transformers GIGABIT ISO MOD SMD 24P 1-Port w/Choke

Learn More

Datasheet

490In Stock

$12.65

$4.32

$4.09

$3.84

View

Min.: 1
Mult.: 1

LAN Isolation Transformers

Module

SMD/SMT

1 MHz to 100 MHz

350 uH

1.5 kV

0 C

+ 70 C

Dual

Gigabit Interface

SMD-24

17.78 mm

12.19 mm

5.84 mm

TG1G

Tube

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

TC4-6TG2+
Mini-Circuits
Restricted Availability

Mfr. Part No.
TC4-6TG2+

Mouser Part No
139-TC4-6TG2

Mini-Circuits

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

Datasheet

Restricted Availability

TC4

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers POE70P Flyback 7uH 12 V 0.6 A

POE70P-12LD
Coilcraft
1: $4.18
2,716In Stock

Mfr. Part No.
POE70P-12LD

Mouser Part No
994-POE70P-12LD

Coilcraft

Audio Transformers / Signal Transformers POE70P Flyback 7uH 12 V 0.6 A

Learn More

Datasheet

2,716In Stock

Cut Tape

$4.18

$3.16

$3.04

Reel

$2.58

$2.50

$2.42

MouseReel Available

Min.: 1
Mult.: 1

Reel: 200

PoE Transformers

Flyback

SMD/SMT

250 kHz

- 40 C

+ 85 C

Single

PoE

12.7 mm

10.5 mm

11 mm

POE70P

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers PWB Wideband RF 1:1 0.0035-125 MHz

PWB1010LC
Coilcraft
1: $4.14
545In Stock
2,750On Order

Mfr. Part No.
PWB1010LC

Mouser Part No
994-PWB1010LC

Coilcraft

Audio Transformers / Signal Transformers PWB Wideband RF 1:1 0.0035-125 MHz

Datasheet

545In Stock

2,750On Order

Cut Tape

$4.14

$3.13

$3.00

Reel

$2.55

MouseReel Available

Min.: 1
Mult.: 1

Reel: 250

RF Transformers

SMD/SMT

3.5 kHz to 125 MHz

- 40 C

+ 85 C

Single

Wideband

6.77 mm

6.48 mm

4.45 mm

PWB

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers RF XFMR / SURF MT/ TOPHAT RoHS

TTCM4-4X+
Mini-Circuits
Restricted Availability

Mfr. Part No.
TTCM4-4X+

Mouser Part No
139-TTCM4-4X

Mini-Circuits

Audio Transformers / Signal Transformers RF XFMR / SURF MT/ TOPHAT RoHS

Datasheet

Restricted Availability

TTCM4

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers 2.5GBaseT 4PPoE 90W 1A 0.4mOhm 1Port

TG2G-HPE10NZ5LF
HALO Electronics
1: $19.30
697In Stock

Mfr. Part No.
TG2G-HPE10NZ5LF

Mouser Part No
493-TG2G-HPE10NZ5LF

HALO Electronics

Audio Transformers / Signal Transformers 2.5GBaseT 4PPoE 90W 1A 0.4mOhm 1Port

Learn More

Datasheet

697In Stock

$19.30

$5.66

$5.65

$5.64

Min.: 1
Mult.: 1

PoE Isolation Transformers

Module

SMD/SMT

1500 Vrms

- 40 C

+ 85 C

Quad

SMD-24

18.33 mm

16.38 mm

6.48 mm

2.5G/5G BASE-T

Tube

Audio Transformers / Signal Transformers FA2672 SMT Flyback For Si3401, Si3402

FA2672-ALD
Coilcraft
1: $4.83
676In Stock

Mfr. Part No.
FA2672-ALD

Mouser Part No
994-FA2672-ALD

Coilcraft

Audio Transformers / Signal Transformers FA2672 SMT Flyback For Si3401, Si3402

Learn More

Datasheet

676In Stock

Cut Tape

$4.83

$3.65

$3.48

$3.26

Reel

$2.98

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 200

Flyback Transformers

Flyback

SMD/SMT

400 kHz

40 uH

1.5 kV

- 40 C

+ 85 C

Single

Si3402 PD Controller

12.7 mm

10.5 mm

11 mm

FA2672

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers LAN XFMR 10/100 BASE-T QUAD

TM1234NL
Taoglas
1: $3.28
660In Stock

Mfr. Part No.
TM1234NL

Mouser Part No
960-TM1234NL

Taoglas

Audio Transformers / Signal Transformers LAN XFMR 10/100 BASE-T QUAD

Learn More

Datasheet

660In Stock

Cut Tape

$3.28

$3.18

$2.82

$2.69

Reel

$2.61

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 400

LAN Transformers

LAN Transformer

SMD/SMT

350 uH

- 40 C

+ 85 C

10/100 Base-T, AutoMDIX

28.1 mm

16 mm

5.72 mm

Exos

Reel, Cut Tape, MouseReel

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

ADT4-6+
Mini-Circuits
Restricted Availability

Mfr. Part No.
ADT4-6+

Mouser Part No
139-ADT4-6

Mini-Circuits

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

Datasheet

Restricted Availability

ADT4

Reel, Cut Tape, MouseReel

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

TC1-15+
Mini-Circuits
Restricted Availability

Mfr. Part No.
TC1-15+

Mouser Part No
139-TC1-15

Mini-Circuits

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

Learn More

Datasheet

Restricted Availability

TC1

Reel, Cut Tape, MouseReel

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

TC1-15X+
Mini-Circuits
Restricted Availability

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

Restricted Availability

TC1

Reel, Cut Tape, MouseReel

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

TC1-6X+
Mini-Circuits
Restricted Availability

Mfr. Part No.
TC1-6X+

Mouser Part No
139-TC1-6X

Mini-Circuits

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

Learn More

Datasheet

Restricted Availability

RF Transformers

SMD/SMT

150 kHz to 350 MHz

50 Ohms

- 40 C

+ 85 C

Single

3.81 mm x 3.81 mm x 4.06 mm

3.81 mm

4.06 mm

TC1

Reel, Cut Tape, MouseReel

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

TC9-1G2+
Mini-Circuits
Restricted Availability

Mfr. Part No.
TC9-1G2+

Mouser Part No
139-TC9-1G2

Mini-Circuits

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

Datasheet

Restricted Availability

TC9

Reel, Cut Tape, MouseReel

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

TCML1-11X+
Mini-Circuits
Restricted Availability

Mfr. Part No.
TCML1-11X+

Mouser Part No
139-TCML1-11X

Mini-Circuits

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

Datasheet

Restricted Availability

TCML1

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers RF Balun SMD 1:8CT 0.25-500MHz SM

CX2049LNLT
Pulse Electronics
1: $3.05
1,390In Stock

Mfr. Part No.
CX2049LNLT

Mouser Part No
673-CX2049LNLT

Pulse Electronics

Audio Transformers / Signal Transformers RF Balun SMD 1:8CT 0.25-500MHz SM

Datasheet

1,390In Stock

Cut Tape

$3.05

$2.76

$2.57

$2.49

Reel

$1.73

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Baluns

SMD/SMT

250 kHz to 500 MHz

- 40 C

+ 85 C

Single

Wideband

3.81 mm

2.79 mm

CX20xxNL/LNL

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers HDBase-T SMD PoE+ 180uH 1-Port

HD8005FNL
Pulse Electronics
1: $7.46
325In Stock

Mfr. Part No.
HD8005FNL

Mouser Part No
673-HD8005FNL

Pulse Electronics

Audio Transformers / Signal Transformers HDBase-T SMD PoE+ 180uH 1-Port

Learn More

Datasheet

325In Stock

$7.46

$6.84

$6.82

$6.64

View

Min.: 1
Mult.: 1

LAN Transformers

Module

SMD/SMT

1 MHz to 500 MHz

100 uH

1.5 kV

0 C

+ 70 C

Single

HD Base-T

15 mm

13.7 mm

5.72 mm

Tube

Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH 1-port

HX5004ENL
Pulse Electronics
1: $7.07
1,547In Stock

Mfr. Part No.
HX5004ENL

Mouser Part No
673-HX5004ENL

Pulse Electronics

Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH 1-port

Learn More

Datasheet

1,547In Stock

$7.07

$5.45

$5.22

$5.06

View

Min.: 1
Mult.: 1

LAN Transformers

Module

SMD/SMT

1 MHz to 100 MHz

350 uH

1.5 kV

- 40 C

+ 85 C

Single

1000 Base-T

17.5 mm

12.2 mm

5.72 mm

1000Base-T

Tube

Audio Transformers / Signal Transformers -

ATB3225-50011CT-T000
TDK
1: $1.49
1,825In Stock

Mfr. Part No.
ATB3225-50011CT-T000

Mouser Part No
810-ATB3250011CTT000

TDK

Audio Transformers / Signal Transformers -

Learn More

Datasheet

1,825In Stock

Cut Tape

$1.49

$1.28

$1.19

$1.11

Reel

$0.975

View

Min.: 1
Mult.: 1

Reel: 1,000

Baluns

Module

Single

RF/SAW Components

ATB-CT

Reel, Cut Tape

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

ALANL100X1-EF62DT
ABRACON
1: $2.90
2,142In Stock

Mfr. Part No.
ALANL100X1-EF62DT

Mouser Part No
815-ALANL100X1EF62DT

ABRACON

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

Learn More

Datasheet

2,142In Stock

Cut Tape

$2.90

$2.62

$2.52

$2.44

View

Reel

$1.98

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

LAN Transformers

LAN

SMD/SMT

500 kHz to 100 MHz

350 uH

- 40 C

+ 85 C

Dual

10/100 Base-TX

12.7 mm

7.1 mm

2.1 mm

ALANL100X1

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers PWB Wideband RF 1:2 0.130-285 MHz

PWB-2-CLC
Coilcraft
1: $5.19
1,100In Stock

Mfr. Part No.
PWB-2-CLC

Mouser Part No
994-PWB-2-CLC

Coilcraft

Audio Transformers / Signal Transformers PWB Wideband RF 1:2 0.130-285 MHz

Datasheet

1,100In Stock

Cut Tape

$5.19

$3.92

$3.77

Reel

$3.20

$3.10

$3.00

MouseReel Available

Min.: 1
Mult.: 1

Reel: 250

RF Transformers

SMD/SMT

130 kHz to 285 MHz

- 40 C

+ 85 C

Single

Wideband

6.77 mm

6.48 mm

4.45 mm

PWB

Reel, Cut Tape, MouseReel

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

ADT4-1WT+
Mini-Circuits
Restricted Availability

Mfr. Part No.
ADT4-1WT+

Mouser Part No
139-ADT4-1WT

Mini-Circuits

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

Datasheet

Restricted Availability

RF Transformers

SMD/SMT

2 MHz to 775 MHz

50 Ohms

- 20 C

+ 85 C

Single

7.87 mm x 5.59 mm x 2.84 mm

7.87 mm

5.59 mm

2.84 mm

ADT4

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 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
LAN 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
Dual Channel
Electrostatically Shielded
Ethernet Transformers
Flyback
High-Frequency
High Frequency Resonant Transformer
High Frequency Universal Line SMD Transformer

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
450 nH
500 nH
600 nH
700 nH
800 nH
900 nH
1 uH
1 uH, 342 uH
1.2 uH
1.25 uH
2.5 uH
3.6 uH
3.75 uH
4 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
1.5 Ohms to 15 Ohms
2 Ohms
2 Ohms, 1.7 Ohms
2 Ohms, 4 Ohms, 8 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
8 Ohms
8 Ohms, 4 Ohms

100 mV
50 V
100 V
100 VDC
100 Vrms
300 V
500 V
500 Vrms
700 V
700 Vrms
1 kV
1.5 kV
1.5 kVAC
1.5 kVDC
1.5 kVrms
1500 Vrms
1.501 kVAC
1.75 kVDC
1750 Vrms
1.8 kVAC, 2.5 kVDC

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
3.91 mm
3.97 mm
4 mm
4.02 mm
4.06 mm
4.064 mm
4.19 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
1.85 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

101
102
104
106
107
108
109
117
119
124 Series
125 Series
126 Series
140
141
143
144
145
146
148
149