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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

10B-2001NL
iNRCORE
1: $64.31
17In Stock

Mfr. Part No.
10B-2001NL

Mouser Part No
673-10B-2001NL

iNRCORE

Audio Transformers / Signal Transformers

Datasheet

17In Stock

$64.31

$57.84

$53.98

$53.24

View

Min.: 1
Mult.: 1

Ethernet Transformers

Module

1500 Vrms

- 40 C

+ 85 C

23.62 mm

12.7 mm

5.96 mm

Tube

Audio Transformers / Signal Transformers 10/100Base-T SMD 1Ohm 1-Port

H1019NL
Pulse Electronics
1: $9.17
28In Stock

Mfr. Part No.
H1019NL

Mouser Part No
673-H1019NL

Pulse Electronics

Audio Transformers / Signal Transformers 10/100Base-T SMD 1Ohm 1-Port

Datasheet

28In Stock

$9.17

$8.34

$8.02

$7.82

View

Min.: 1
Mult.: 1

LAN Transformers

Module

SMD/SMT

100 kHz to 100 MHz

350 uH

1 Ohms

1.5 kV

0 C

+ 70 C

Single

25.4 mm

12.83 mm

6.22 mm

H1019

Tube

Audio Transformers / Signal Transformers 100Base-TX SMD 1-Port

H1267NL
Pulse Electronics
1: $7.40
24In Stock

Mfr. Part No.
H1267NL

Mouser Part No
673-H1267NL

Pulse Electronics

Audio Transformers / Signal Transformers 100Base-TX SMD 1-Port

Datasheet

24In Stock

$7.40

$6.50

$6.23

$6.04

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

17.53 mm x 12.2 mm x 5.51 mm

17.53 mm

12.2 mm

5.51 mm

Tube

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

H1302NLT
Pulse Electronics
1: $7.60
174In Stock

Mfr. Part No.
H1302NLT

Mouser Part No
673-H1302NLT

Pulse Electronics

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

Datasheet

174In Stock

Cut Tape

$7.60

$5.97

$5.73

$5.55

Reel

$4.49

View

MouseReel Available

Min.: 1
Mult.: 1

: 600

LAN Transformers

Module

SMD/SMT

100 kHz to 100 MHz

350 uH

1.5 kV

0 C

+ 70 C

Single

12.7 mm

9.53 mm

5.97 mm

Reel, Cut Tape, MouseReel

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

H5201NL
Pulse Electronics
1: $18.43
9In Stock

Mfr. Part No.
H5201NL

Mouser Part No
673-H5201NL

Pulse Electronics

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

Learn More

Datasheet

9In Stock

$18.43

$16.62

$15.94

$14.80

View

Min.: 1
Mult.: 1

LAN Transformers

Module

SMD/SMT

1 MHz to 125 GHz

350 uH

1.5 kV

0 C

+ 70 C

2 Channel

BGA

14.73 mm

17.27 mm

11.1 mm

Tray

Audio Transformers / Signal Transformers 10GBase-T SMD NonPoE 200uH 1-Port

H7019FNL
Pulse Electronics
1: $13.55
16In Stock

Mfr. Part No.
H7019FNL

Mouser Part No
673-H7019FNL

Pulse Electronics

Audio Transformers / Signal Transformers 10GBase-T SMD NonPoE 200uH 1-Port

Datasheet

16In Stock

$13.55

$12.27

$11.78

$11.41

View

Min.: 1
Mult.: 1

LAN Transformers

Module

SMD/SMT

1 MHz to 500 MHz

200 uH

1.5 kV

0 C

+ 70 C

Single

15 mm

13.7 mm

5.72 mm

Discrete LAN

Tube

Audio Transformers / Signal Transformers SIN HDBaseT SMT 1-Port 4PoEPP 100W

HDX8005NL
Pulse Electronics
1: $15.03
10In Stock

Mfr. Part No.
HDX8005NL

Mouser Part No
673-HDX8005NL

Pulse Electronics

Audio Transformers / Signal Transformers SIN HDBaseT SMT 1-Port 4PoEPP 100W

Learn More

Datasheet

10In Stock

$15.03

$13.12

$12.58

$12.12

View

Min.: 1
Mult.: 1

PoE Transformers

SMD/SMT

120 uH

1500 Vrms

- 40 C

+ 85 C

Quad

13.72 mm

12.2 mm

5.72 mm

Tube

Audio Transformers / Signal Transformers THT Datacom Xfmr 2500uH

PE-64552NL
Pulse Electronics
1: $5.79
72In Stock

Mfr. Part No.
PE-64552NL

Mouser Part No
673-PE-64552NL

Pulse Electronics

Audio Transformers / Signal Transformers THT Datacom Xfmr 2500uH

Datasheet

72In Stock

$5.79

$5.24

$5.03

$4.83

View

Min.: 1
Mult.: 1

Telecom Transformers

Pin Terminal Transformers

Through Hole

0 C

+ 70 C

Single

0.5 mm

0.35 in

0.25 in

Tube

Audio Transformers / Signal Transformers THT T1/CEPT/ISDN-Pri 1200uH .5Ohms 1-Por

PE-65834NL
Pulse Electronics
1: $13.46
2In Stock

Mfr. Part No.
PE-65834NL

Mouser Part No
673-PE-65834NL

Pulse Electronics

Audio Transformers / Signal Transformers THT T1/CEPT/ISDN-Pri 1200uH .5Ohms 1-Por

Datasheet

2In Stock

$13.46

$11.75

$11.19

$10.83

View

Min.: 1
Mult.: 1

ISDN Transformers

Module

Through Hole

500 nH

500 mOhms

1.5 kV

0 C

+ 70 C

Single

14.22 mm

10.2 mm

Tube

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

PE-65861NL
Pulse Electronics
1: $7.86
201In Stock

Mfr. Part No.
PE-65861NL

Mouser Part No
673-PE-65861NL

Pulse Electronics

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

Datasheet

201In Stock

$7.86

$6.85

$6.51

$6.30

View

Min.: 1
Mult.: 1

ISDN Transformers

Module

SMD/SMT

1.2 mH, 1.2 mH

1 Ohms, 2 Ohms

1.5 kV

0 C

+ 70 C

Dual

12.83 mm

7.11 mm

6.22 mm

Tube

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

T1090NLT
Pulse Electronics
1: $7.86
130In Stock

Mfr. Part No.
T1090NLT

Mouser Part No
673-T1090NL673-T

Pulse Electronics

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

Datasheet

130In Stock

Cut Tape

$7.86

$6.85

$6.58

$6.38

Reel

$5.37

View

MouseReel Available

Min.: 1
Mult.: 1

: 600

ISDN Transformers

Module

SMD/SMT

700 mOhms, 700 mOhms

1.5 kV

- 40 C

+ 85 C

Dual

12.83 mm

7.11 mm

6.22 mm

Reel, Cut Tape, MouseReel

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

T1137NL
Pulse Electronics
1: $7.86
34In Stock

Mfr. Part No.
T1137NL

Mouser Part No
673-T1137NL

Pulse Electronics

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

Datasheet

34In Stock

$7.86

$6.24

$5.94

$5.77

View

Min.: 1
Mult.: 1

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

Tube

Audio Transformers / Signal Transformers XFMR TCS SNGL 1000BT 1:124 SMT PBC

1000B-5001FX
iNRCORE
1: $56.18
10In Stock
500Expected 2/9/2026

Mfr. Part No.
1000B-5001FX

Mouser Part No
673-1000B-5001FX

iNRCORE

Audio Transformers / Signal Transformers XFMR TCS SNGL 1000BT 1:124 SMT PBC

Learn More

Datasheet

10In Stock

500Expected 2/9/2026

$56.18

$50.51

$47.90

$46.70

View

Min.: 1
Mult.: 1

LAN Transformers

Module

Dual

1000B-F

Tube

Audio Transformers / Signal Transformers XFMR LAN 10/100/1000 BASE-T

1000B-5001X
iNRCORE
1: $63.09
33In Stock
100Expected 14/10/2026

Mfr. Part No.
1000B-5001X

Mouser Part No
673-1000B-5001X

iNRCORE

Audio Transformers / Signal Transformers XFMR LAN 10/100/1000 BASE-T

Datasheet

33In Stock

100Expected 14/10/2026

$63.09

$56.75

$54.37

$52.65

View

Min.: 1
Mult.: 1

Tube

Audio Transformers / Signal Transformers MODEM TRANSFORMERS 330Ohm Prim. DCR 420Ohm sec

TTC-167
Tamura
1: $8.64
138In Stock
2,250On Order

Mfr. Part No.
TTC-167

Mouser Part No
838-TTC-167

Tamura

Audio Transformers / Signal Transformers MODEM TRANSFORMERS 330Ohm Prim. DCR 420Ohm sec

Datasheet

138In Stock

2,250On Order

$8.64

$7.48

$7.32

$6.50

View

Min.: 1
Mult.: 1

Telecom Transformers

10 kOhms

TTC

Audio Transformers / Signal Transformers AUDIO XFMR 600:600 3.0mADC 50mW ENCAPSULATED PCB MOUNT/SP-70

SP-70
Triad Magnetics
1: $23.47
1,120In Stock
3,402Expected 1/9/2026

Mfr. Part No.
SP-70

Mouser Part No
553-SP70

Triad Magnetics

Audio Transformers / Signal Transformers AUDIO XFMR 600:600 3.0mADC 50mW ENCAPSULATED PCB MOUNT/SP-70

Datasheet

1,120In Stock

3,402Expected 1/9/2026

$23.47

$21.99

$21.30

$20.77

View

Min.: 1
Mult.: 1

Audio Transformers

Pin Terminal Transformers

Radial

300 Hz to 100 kHz

600 Ohms

1 kV

- 40 C

+ 85 C

Single

7.874 mm

10.41 mm

11.811 mm

MIL-T-27E

Audio Transformers / Signal Transformers TRANSFORMER

BX4550NL
Pulse Electronics
1: $5.49
71In Stock
900Expected 25/8/2026

Mfr. Part No.
BX4550NL

Mouser Part No
673-BX4550NL

Pulse Electronics

Audio Transformers / Signal Transformers TRANSFORMER

71In Stock

900Expected 25/8/2026

$5.49

$4.98

$4.64

$4.50

View

Min.: 1
Mult.: 1

Single

Tray

Audio Transformers / Signal Transformers 1G Base-T Transformer Single Port and 24pin SMT

TM6173-5ANL
Taoglas
1: $5.22
78In Stock

Mfr. Part No.
TM6173-5ANL

Mouser Part No
960-TM6173-5ANL

Taoglas

Audio Transformers / Signal Transformers 1G Base-T Transformer Single Port and 24pin SMT

Datasheet

78In Stock

Cut Tape

$5.22

$4.54

$4.41

Reel

$4.15

$3.81

View

Min.: 1
Mult.: 1

: 100

Reel, Cut Tape

Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 1-Port

H5015FNL
Pulse Electronics
1: $12.42
2In Stock
NRND

Mfr. Part No.
H5015FNL

Mouser Part No
673-H5015FNL

NRND

Pulse Electronics

Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 1-Port

Datasheet

2In Stock

$12.42

$11.22

$10.74

$10.40

View

Min.: 1
Mult.: 1

LAN Transformers

Module

SMD/SMT

1 MHz to 100 MHz

350 uH

1.5 kV

0 C

+ 70 C

Dual

17.66 mm

15.14 mm

4.57 mm

Tube

Audio Transformers / Signal Transformers SMD Digital Audio 3000uH .5Ohms 2-Port

PE-65848FNL
Pulse Electronics
1: $13.07
5In Stock
NRND

Mfr. Part No.
PE-65848FNL

Mouser Part No
673-PE-65848FNL

NRND

Pulse Electronics

Audio Transformers / Signal Transformers SMD Digital Audio 3000uH .5Ohms 2-Port

Datasheet

5In Stock

$13.07

$11.70

$10.80

$10.66

View

Min.: 1
Mult.: 1

Telecom Transformers

Module

SMD/SMT

1.5 kV

0 C

+ 70 C

Single

14.37 mm

12.07 mm

8.64 mm

Tube

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

TC1.5-52TG2+
Mini-Circuits
1: $6.53
415In Stock

Mfr. Part No.
TC1.5-52TG2+

Mouser Part No
139-TC1.5-52TG2

Mini-Circuits

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

Learn More

Datasheet

415In Stock

Cut Tape

$6.53

$4.76

$4.09

$3.84

Reel

$3.84

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC1.5

Reel, Cut Tape, MouseReel

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

TC16-1TX+
Mini-Circuits
1: $5.75
135In Stock

Mfr. Part No.
TC16-1TX+

Mouser Part No
139-TC16-1TX

Mini-Circuits

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

Learn More

Datasheet

135In Stock

Cut Tape

$5.75

$4.19

$3.60

Reel

$3.60

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC16

Reel, Cut Tape, MouseReel

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

TC9-1G2+
Mini-Circuits
1: $5.51
228In Stock

Mfr. Part No.
TC9-1G2+

Mouser Part No
139-TC9-1G2

Mini-Circuits

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

Datasheet

228In Stock

Cut Tape

$5.51

$3.98

$3.30

$2.99

Reel

$2.99

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC9

Reel, Cut Tape, MouseReel

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

TCM4-1WX+
Mini-Circuits
1: $4.56
344In Stock

Mfr. Part No.
TCM4-1WX+

Mouser Part No
139-TCM4-1WX

Mini-Circuits

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

Learn More

Datasheet

344In Stock

Cut Tape

$4.56

$2.99

$2.33

$2.23

Reel

$2.07

MouseReel Available

Min.: 1
Mult.: 1

: 500

TCM4

Reel, Cut Tape, MouseReel

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

TCML1-11+
Mini-Circuits
1: $4.62
29In Stock

Mfr. Part No.
TCML1-11+

Mouser Part No
139-TCML1-11

Mini-Circuits

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

Datasheet

29In Stock

Cut Tape

$4.62

$3.07

$2.49

Reel

$2.49

MouseReel Available

Min.: 1
Mult.: 1

: 500

TCML1

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers

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EMO Systems
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Hammond
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TE Connectivity
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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
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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
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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
100 V
100 VDC
100 Vrms
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500 V
500 Vrms
700 V
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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
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126 Series
140
141
143
144
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148
149