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Audio Transformers / Signal Transformers

Audio Transformers & Signal Transformers are available at Mouser 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 Wideband RF, SMD 250mA 1:1sec

SWB3010-SMLD
Coilcraft
1: $4.10
6In Stock
500Expected 27/10/2026

Mfr. Part No.
SWB3010-SMLD

Mouser Part No
994-SWB3010-SMLD

Coilcraft

Audio Transformers / Signal Transformers Wideband RF, SMD 250mA 1:1sec

Learn More

Datasheet

6In Stock

500Expected 27/10/2026

Cut Tape

$4.10

$3.10

$2.95

$2.76

Reel

$2.45

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

RF Transformers

SMD/SMT

5 kHz to 100 MHz

780 uH

500 V

- 40 C

+ 85 C

Single

13.21 mm x 7.87 mm x 5.72 mm

13.21 mm

7.87 mm

5.72 mm

SWB

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers WB SMT RF Trnsfmr Wideband 0.25W

WB4-1HL
Coilcraft
1: $5.02
43In Stock

Mfr. Part No.
WB4-1HL

Mouser Part No
994-WB4-1HL

Coilcraft

Audio Transformers / Signal Transformers WB SMT RF Trnsfmr Wideband 0.25W

Datasheet

43In Stock

$5.02

$3.79

$3.61

$3.38

View

Min.: 1
Mult.: 1

RF Transformers

Tube

Audio Transformers / Signal Transformers 10G SMD ISOLATION MODULE

TG10G-E12NZ5LF
HALO Electronics
1: $13.55
447In Stock

Mfr. Part No.
TG10G-E12NZ5LF

Mouser Part No
493-TG10G-E12NZ5LF

HALO Electronics

Audio Transformers / Signal Transformers 10G SMD ISOLATION MODULE

Datasheet

447In Stock

$13.55

$11.05

$8.94

$7.50

View

Min.: 1
Mult.: 1

LAN Isolation Transformers

Tube

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

H1086NLT
Pulse Electronics
1: $6.46
890In Stock

Mfr. Part No.
H1086NLT

Mouser Part No
673-H1086NLT

Pulse Electronics

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

Datasheet

890In Stock

Cut Tape

$6.46

$5.53

$5.30

$5.14

Reel

$4.70

View

MouseReel Available

Min.: 1
Mult.: 1

: 300

LAN Transformers

Module

SMD/SMT

1 MHz to 100 MHz

350 uH

1.5 kV

0 C

+ 70 C

Single

25.4 mm

9.91 mm

6.22 mm

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers 10-1000MHz 75Ohm 1:1 SMD RF Xfmr

CX2024NL
Pulse Electronics
1: $3.54
1,000In Stock

Mfr. Part No.
CX2024NL

Mouser Part No
673-CX2024NL

Pulse Electronics

Audio Transformers / Signal Transformers 10-1000MHz 75Ohm 1:1 SMD RF Xfmr

Datasheet

1,000In Stock

$3.54

$3.08

$2.99

$2.89

View

Min.: 1
Mult.: 1

RF Transformers

Module

SMD/SMT

50 MHz to 1 GHz

0 C

+ 70 C

Dual

27.813 mm

15.367 mm

7.239 mm

Tray

Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH 4-Port

T1142NL
Pulse Electronics
1: $11.07
325In Stock

Mfr. Part No.
T1142NL

Mouser Part No
673-T1142NL

Pulse Electronics

Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH 4-Port

Datasheet

325In Stock

$11.07

$9.81

$9.00

$8.72

View

Min.: 1
Mult.: 1

ISDN Transformers

Module

SMD/SMT

1.5 kV

0 C

+ 70 C

Octal

28.58 mm

16.26 mm

5.84 mm

Tube

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

TG111-MSCHPLF
HALO Electronics
1: $12.70
262In Stock

Mfr. Part No.
TG111-MSCHPLF

Mouser Part No
493-TG111-MSCHPLF

HALO Electronics

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

Learn More

Datasheet

262In Stock

$12.70

$8.18

$5.40

$4.53

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: $4.04
1,600In Stock

Mfr. Part No.
CX2024ANLT

Mouser Part No
673-CX2024ANLT

Pulse Electronics

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

Datasheet

1,600In Stock

Cut Tape

$4.04

$3.28

$2.76

$2.60

View

Reel

$1.81

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: $7.49
189In Stock

Mfr. Part No.
H1081NL

Mouser Part No
673-H1081NL

Pulse Electronics

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

Learn More

Datasheet

189In Stock

$7.49

$6.42

$6.15

$5.96

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 T3/DS3/E3/STS-1 40uH 1-Port

PE-68629NL
Pulse Electronics
1: $8.39
2,021In Stock

Mfr. Part No.
PE-68629NL

Mouser Part No
673-PE-68629NL

Pulse Electronics

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

Datasheet

2,021In Stock

$8.39

$7.18

$6.89

$6.67

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

BD3238N5050AHF
TTM Technologies
1: $0.57
7,800In Stock

Mfr. Part No.
BD3238N5050AHF

Mouser Part No
620-BD3238N5050AHF

TTM Technologies

Audio Transformers / Signal Transformers

Datasheet

7,800In Stock

Cut Tape

$0.57

$0.485

$0.453

$0.435

View

Reel

$0.246

Min.: 1
Mult.: 1

: 4,000

Reel, Cut Tape

Audio Transformers / Signal Transformers Signal-Transformer Mil-Grade

PL1374
iNRCORE
1: $25.62
203In Stock

Mfr. Part No.
PL1374

Mouser Part No
673-PL1374

iNRCORE

Audio Transformers / Signal Transformers Signal-Transformer Mil-Grade

Datasheet

203In Stock

$25.62

$23.07

$22.11

$20.97

View

Min.: 1
Mult.: 1

PL1374

Tube

Audio Transformers / Signal Transformers Telecom Transformer 1CT:1CT 24Term SMD

1000B-5012X
iNRCORE
1: $51.28
185In Stock
245On Order

Mfr. Part No.
1000B-5012X

Mouser Part No
673-1000B-5012X

iNRCORE

Audio Transformers / Signal Transformers Telecom Transformer 1CT:1CT 24Term SMD

Learn More

Datasheet

185In Stock

245On Order

$51.28

$46.10

$44.91

$41.73

View

Min.: 1
Mult.: 1

Telecom Transformers

SMD/SMT

100 kHz to 100 MHz

350 uH

1.5 kV

- 55 C

+ 125 C

Quad

15.11 mm

13.16 mm

6.12 mm

1000B

Tube

Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 2-Port

HX1294FNLT
Pulse Electronics
1: $8.61
176In Stock

Mfr. Part No.
HX1294FNLT

Mouser Part No
673-HX1294FNLT

Pulse Electronics

Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 2-Port

Learn More

Datasheet

176In Stock

Cut Tape

$8.61

$7.56

$7.25

$6.81

Reel

$6.56

View

Min.: 1
Mult.: 1

: 350

LAN Transformers

Module

SMD/SMT

100 kHz to 100 MHz

- 40 C

+ 85 C

Dual

18.44 mm

13.67 mm

5.87 mm

Reel, Cut Tape

Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH .7Ohms 2-Port

PE-68678NLT
Pulse Electronics
1: $5.78
789In Stock

Mfr. Part No.
PE-68678NLT

Mouser Part No
673-PE-68678NLT

Pulse Electronics

Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH .7Ohms 2-Port

Datasheet

789In Stock

Cut Tape

$5.78

$4.89

$4.70

$4.55

Reel

$3.92

View

MouseReel Available

Min.: 1
Mult.: 1

: 600

ISDN Transformers

Module

SMD/SMT

1 MHz to 100 MHz

600 nH

1.5 kV

0 C

+ 70 C

Dual

12.83 mm

7.11 mm

6.22 mm

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers 1812WBT SMT Wideband Wideband

1812WBT-2LC
Coilcraft
1: $3.31
588In Stock

Mfr. Part No.
1812WBT-2LC

Mouser Part No
994-1812WBT-2LC

Coilcraft

Audio Transformers / Signal Transformers 1812WBT SMT Wideband Wideband

Learn More

Datasheet

588In Stock

Cut Tape

$3.31

$2.50

$2.38

$2.33

Reel

$1.98

$1.91

MouseReel Available

Min.: 1
Mult.: 1

: 600

RF Transformers

SMD/SMT

800 kHz to 60 MHz

- 40 C

+ 85 C

Single

4.52 mm

3.81 mm

3.43 mm

1812WBT

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers KA5038 Flyback For ON Semi NCP1236

KA5038-BL
Coilcraft
1: $17.13
67In Stock

Mfr. Part No.
KA5038-BL

Mouser Part No
994-KA5038-BL

Coilcraft

Audio Transformers / Signal Transformers KA5038 Flyback For ON Semi NCP1236

Learn More

Datasheet

67In Stock

$17.13

$16.84

$14.31

$13.71

View

Min.: 1
Mult.: 1

Flyback Transformers

Flyback

Through Hole

50 kHz

560 uH

3 kV

- 40 C

+ 85 C

Single

42 mm

33.5 mm

23.24 mm

KA5038

Tray

Audio Transformers / Signal Transformers 10Base-T SMD NonPoE 140uH .6Ohms 1-Port

23Z467SMNL
Pulse Electronics
1: $4.95
389In Stock

Mfr. Part No.
23Z467SMNL

Mouser Part No
673-23Z467SMNL

Pulse Electronics

Audio Transformers / Signal Transformers 10Base-T SMD NonPoE 140uH .6Ohms 1-Port

Datasheet

389In Stock

$4.95

$4.21

$4.03

$3.91

View

Min.: 1
Mult.: 1

LAN Transformers

Module

SMD/SMT

100 kHz

140 uH

1 Ohms

2 kV

0 C

+ 70 C

Single

11.43 mm

6.73 mm

5.59 mm

23Z467

Tube

Audio Transformers / Signal Transformers 20uH 3KV 1:1:1 2% AEC-Q200

BX6158NL
Pulse Electronics
1: $4.86
271In Stock

Mfr. Part No.
BX6158NL

Mouser Part No
673-BX6158NL

Pulse Electronics

Audio Transformers / Signal Transformers 20uH 3KV 1:1:1 2% AEC-Q200

Learn More

Datasheet

271In Stock

$4.86

$4.16

$3.99

$3.86

View

Min.: 1
Mult.: 1

Power Line Communication Transformers

PLC

SMD/SMT

- 40 C

+ 125 C

Single

11.31 mm

10.43 mm

7.3 mm

AEC-Q200

Tube

Audio Transformers / Signal Transformers SMD Wideband RF Xfmr 50Ohms

CX2047LNLT
Pulse Electronics
1: $3.66
801In Stock

Mfr. Part No.
CX2047LNLT

Mouser Part No
673-CX2047LNLT

Pulse Electronics

Audio Transformers / Signal Transformers SMD Wideband RF Xfmr 50Ohms

Datasheet

801In Stock

Cut Tape

$3.66

$2.87

$2.13

$1.92

Reel

$1.56

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

RF Transformers

Module

SMD/SMT

500 kHz to 300 MHz

- 40 C

+ 85 C

Single

3.81 mm

2.79 mm

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 4-Por

H5401NL
Pulse Electronics
1: $23.22
61In Stock

Mfr. Part No.
H5401NL

Mouser Part No
673-H5401NL

Pulse Electronics

Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 4-Por

Learn More

Datasheet

61In Stock

$23.22

$20.74

$19.96

$19.05

View

Min.: 1
Mult.: 1

LAN Transformers

Module

SMD/SMT

1 MHz to 125 MHz

350 uH

1.5 kV

0 C

+ 70 C

4 Channel

BGA

28.45 mm

17.27 mm

11.18 mm

Tray

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

H5020NLT
Pulse Electronics
1: $18.21
87In Stock

Mfr. Part No.
H5020NLT

Mouser Part No
673-H5020NLT

Pulse Electronics

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

Learn More

Datasheet

87In Stock

Cut Tape

$18.21

$15.45

$14.69

$14.23

Reel

$13.84

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: $7.05
804In Stock

Mfr. Part No.
PE-65968NLT

Mouser Part No
673-PE-65968NLT

Pulse Electronics

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

Datasheet

804In Stock

Cut Tape

$7.05

$6.02

$5.77

$5.60

Reel

$4.95

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 100BaseTX SMD NonPoE 350uH .65Ohms 1-Por

H1260NL
Pulse Electronics
1: $4.61
464In Stock

Mfr. Part No.
H1260NL

Mouser Part No
673-H1260NL

Pulse Electronics

Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH .65Ohms 1-Por

Learn More

Datasheet

464In Stock

$4.61

$3.97

$3.94

$3.60

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

12.7 mm

9.65 mm

6 mm

Tube

Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH .7Ohms 2-Port

TX1188NL
Pulse Electronics
1: $5.78
588In Stock

Mfr. Part No.
TX1188NL

Mouser Part No
673-TX1188NL

Pulse Electronics

Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH .7Ohms 2-Port

Datasheet

588In Stock

$5.78

$4.89

$4.70

$4.54

View

Min.: 1
Mult.: 1

ISDN Transformers

Module

SMD/SMT

700 mOhms, 700 mOhms

1.5 kV

- 40 C

+ 85 C

2 Channel

12.83 mm

7.11 mm

6.22 mm

Tube

Audio Transformers / Signal Transformers

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Forward Transformers
Gate Drive Transformers
High Voltager LAN Transformers
Impedance Matching Transformers
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Isolation Module
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10 Hz to 30 kHz
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50 Hz to 10 kHz
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50 Hz to 15 kHz
50 Hz to 19 kHz
50 Hz to 60 Hz
70 Hz to 11 kHz
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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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330 nH
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3.75 uH
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800 mOhms
800 mOhms, 800 mOhms
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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
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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
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4 Ohms, 16 Ohms
4 Ohms, 8 Ohms
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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
125 Series
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140
141
143
144
145
146
148
149