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Audio Transformers Audio Transformers / Signal Transformers

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Part #

Audio Transformers / Signal Transformers THROUGH HOLE 10KCT:10KCT

MET-09
Tamura
1: $12.29
549In Stock

Mfr. Part #
MET-09

Mouser Part #
838-MET-09

Tamura

Audio Transformers / Signal Transformers THROUGH HOLE 10KCT:10KCT

Datasheet

549In Stock

$12.29

$11.08

$10.62

$10.29

View

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Mult.: 1

Audio Transformers

Terminals

300 Hz to 100 kHz

10 kOhms

500 V

- 20 C

+ 85 C

Ultra Wideband

10.4 mm

7.87 mm

11.8 mm

MET

Tube

Audio Transformers / Signal Transformers THROUGH HOLE 600:600CT

MET-59
Tamura
1: $12.22
521In Stock
1,100Expected 11/16/2026

Mfr. Part #
MET-59

Mouser Part #
838-MET-59

Tamura

Audio Transformers / Signal Transformers THROUGH HOLE 600:600CT

Datasheet

521In Stock

1,100Expected 11/16/2026

$12.22

$11.47

$10.76

$10.39

View

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Mult.: 1

Audio Transformers

400 Hz to 250 kHz

600 Ohms

500 V

- 55 C

+ 130 C

Ultra Wideband

10.4 mm

7.87 mm

11.8 mm

MET

Tube

Audio Transformers / Signal Transformers THROUGH HOLE 135:135CT

MET-60
Tamura
1: $11.33
378In Stock
2,200On Order

Mfr. Part #
MET-60

Mouser Part #
838-MET-60

Tamura

Audio Transformers / Signal Transformers THROUGH HOLE 135:135CT

Datasheet

378In Stock

2,200On Order

$11.33

$10.39

$9.95

$9.62

View

Min.: 1
Mult.: 1

Audio Transformers

Terminals

300 Hz to 100 kHz

135 Ohms

1.5 kV

- 20 C

+ 85 C

Ultra Wideband

10.4 mm

7.87 mm

11.8 mm

MET

Tube

Audio Transformers / Signal Transformers 600/250/50 ohms:60K ohms (1:10.0) 10mW

A-11J
Triad Magnetics
1: $162.46
22In Stock

Mfr. Part #
A-11J

Mouser Part #
553-A-11J

Triad Magnetics

Audio Transformers / Signal Transformers 600/250/50 ohms:60K ohms (1:10.0) 10mW

Learn More

Datasheet

22In Stock

$162.46

$149.40

$147.46

$144.56

View

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Mult.: 1

Audio Transformers

Audio Transformer

Wire Lead

20 Hz to 20 kHz

7 H

50 Ohms, 250 Ohms, 600 Ohms

60 kOhms

0 C

+ 70 C

Pre-Amplification, Inter-Stage Isolation

1.81 in

Audio Transformers / Signal Transformers 600CT/150 ohms:60K ohms (1:10.0) 10mW

A-12J
Triad Magnetics
1: $152.83
19In Stock

Mfr. Part #
A-12J

Mouser Part #
553-A-12J

Triad Magnetics

Audio Transformers / Signal Transformers 600CT/150 ohms:60K ohms (1:10.0) 10mW

Learn More

Datasheet

19In Stock

$152.83

$145.28

$144.57

View

Min.: 1
Mult.: 1

Audio Transformers

Audio Transformer

Wire Lead

20 Hz to 20 kHz

7 H

150 Ohms, 600 Ohms

60 kOhms

0 C

+ 70 C

Pre-Amplification, Inter-Stage Isolation

1.81 in

Audio Transformers / Signal Transformers 600/250/50 ohms:85K ohms (1:12.0) 1mW

A-9J
Triad Magnetics
1: $158.39
20In Stock

Mfr. Part #
A-9J

Mouser Part #
553-A-9J

Triad Magnetics

Audio Transformers / Signal Transformers 600/250/50 ohms:85K ohms (1:12.0) 1mW

Learn More

Datasheet

20In Stock

$158.39

$143.52

$134.71

$134.02

View

Min.: 1
Mult.: 1

Audio Transformers

Audio Transformer

Wire Lead

30 Hz to 15 kHz

50 Ohms, 250 Ohms, 600 Ohms

85 kOhms

0 C

+ 70 C

Pre-Amplification, Inter-Stage Isolation

1.81 in

Audio Transformers / Signal Transformers 100 V transformer for loudspeakers in PA systems (4 8 & 16ohm) 50 19000Hz

1803
Visaton
1: $18.69
3In Stock

Mfr. Part #
1803

Mouser Part #
243-TR10.16

Visaton

Audio Transformers / Signal Transformers 100 V transformer for loudspeakers in PA systems (4 8 & 16ohm) 50 19000Hz

Datasheet

3In Stock

$18.69

$14.58

$13.26

$12.36

View

Min.: 1
Mult.: 1

Audio Transformers

SMD/SMT

50 Hz to 19 kHz

16 kOhms

4 Ohms, 8 Ohms, 16 Ohms

Single

Loudspeakers

50 mm

15 mm

43 mm

Audio Transformers / Signal Transformers 100 V transformer for loudspeakers in PA systems (4 & 8ohm) 20 20000Hz

1801
Visaton
1: $21.41
5In Stock

Mfr. Part #
1801

Mouser Part #
243-TR84

Visaton

Audio Transformers / Signal Transformers 100 V transformer for loudspeakers in PA systems (4 & 8ohm) 20 20000Hz

Datasheet

5In Stock

$21.41

$15.71

$14.69

$13.69

View

Min.: 1
Mult.: 1

Audio Transformers

SMD/SMT

20 Hz to 20 kHz

3.3 kOhms

4 Ohms, 8 Ohms

Single

Loudspeakers

42 mm

21 mm

52 mm

Audio Transformers / Signal Transformers Audio transformer, potted, primary 600 ctohms , secondary 600 ct ohms

107H
Hammond Manufacturing
1: $26.84
982In Stock

Mfr. Part #
107H

Mouser Part #
546-107H

Hammond Manufacturing

Audio Transformers / Signal Transformers Audio transformer, potted, primary 600 ctohms , secondary 600 ct ohms

Datasheet

982In Stock

$26.84

$25.29

$24.09

$23.36

View

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Mult.: 1

Audio Transformers

Pin Terminal Transformers

Through Hole

300 Hz to 50 kHz

600 Ohms

+ 85 C

Single

Signal Level

0.63 in

0.586 in

0.63 in

107

Audio Transformers / Signal Transformers TRANSFRMER MIC INPUT PCB VERT 1:4 RATIO

NTM4
Neutrik
1: $83.24
6In Stock

Mfr. Part #
NTM4

Mouser Part #
568-NTM4

Neutrik

Audio Transformers / Signal Transformers TRANSFRMER MIC INPUT PCB VERT 1:4 RATIO

Learn More

Datasheet

6In Stock

$83.24

$64.75

$63.18

$62.33

$61.82

Min.: 1
Mult.: 1

Audio Transformers

Transformer

Audio Transformers / Signal Transformers DIGITAL AUDIO TX 1:1 5MH DIP

DA103C
Murata Power Solutions
1: $2.32
283In Stock
300Expected 8/27/2026

Mfr. Part #
DA103C

Mouser Part #
580-DA103C

Murata Power Solutions

Audio Transformers / Signal Transformers DIGITAL AUDIO TX 1:1 5MH DIP

Datasheet

283In Stock

300Expected 8/27/2026

$2.32

$2.03

$1.86

$1.79

View

Min.: 1
Mult.: 1

Audio Transformers

Pin Terminal Transformers

Through Hole

50 Hz to 60 Hz

4 mH to 7.75 mH

110 Ohms

2 kV

0 C

+ 70 C

Single

Digital Data Transmission

DIL-6

9.52 mm

9 mm

6.35 mm

DA100C

Tube

Audio Transformers / Signal Transformers SP-74 - AUDIO XFMR 80CT:32CT/8 Ohm 4.0mADC 50mW ENCAPSULATED PCB MOUNT

SP-74
Triad Magnetics
1: $20.70
72In Stock
New Product

Mfr. Part #
SP-74

Mouser Part #
553-SP-74

New Product

Triad Magnetics

Audio Transformers / Signal Transformers SP-74 - AUDIO XFMR 80CT:32CT/8 Ohm 4.0mADC 50mW ENCAPSULATED PCB MOUNT

Datasheet

72In Stock

$20.70

$18.64

$18.33

$16.76

View

Min.: 1
Mult.: 1

Audio Transformers

Through Hole

300 Hz to 100 kHz

80 Ohms

32 Ohms

- 40 C

+ 85 C

1 Channel

10.414 mm

7.874 mm

11.81 mm

MIL-T-27E

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

PE-65848FNLT
Pulse Electronics
1: $7.55
477In Stock
NRND

Mfr. Part #
PE-65848FNLT

Mouser Part #
673-PE-65848FNLT

NRND

Pulse Electronics

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

Datasheet

477In Stock

Cut Tape

$7.55

$6.49

$6.23

$6.04

Reel

$5.60

View

Min.: 1
Mult.: 1

: 250

Audio Transformers

Module

SMD/SMT

0 C

+ 70 C

Single

Digital

14.37 mm

12.07 mm

8.64 mm

Reel, Cut Tape

Audio Transformers / Signal Transformers 100 V transformer for loudspeakers in PA systems. Allows all 4 & 8ohm speakers

1806
Visaton
1: $18.18
19In Stock

Mfr. Part #
1806

Mouser Part #
243-TR6.8

Visaton

Audio Transformers / Signal Transformers 100 V transformer for loudspeakers in PA systems. Allows all 4 & 8ohm speakers

Datasheet

19In Stock

$18.18

$15.22

$14.23

$13.29

View

Min.: 1
Mult.: 1

Audio Transformers

SMD/SMT

30 Hz to 22 kHz

6.7 kOhms

4 Ohms, 8 Ohms

Single

Loudspeakers

43 mm

18.6 mm

36 mm

Audio Transformers / Signal Transformers AUDIO XFMR 10.0Kct:10.0Kct 1.0mADC 50mW ENCAPSULATED PCB MOUNT/SP-66

SP-66
Triad Magnetics
1: $17.32
1,028In Stock

Mfr. Part #
SP-66

Mouser Part #
553-SP66

Triad Magnetics

Audio Transformers / Signal Transformers AUDIO XFMR 10.0Kct:10.0Kct 1.0mADC 50mW ENCAPSULATED PCB MOUNT/SP-66

Datasheet

1,028In Stock

$17.32

$16.26

$15.39

$14.98

View

Min.: 1
Mult.: 1

Audio Transformers

Pin Terminal Transformers

Radial

300 Hz to 100 kHz

10 kOhms

1 kV

- 40 C

+ 85 C

Single

High Reliability

7.874 mm

10.41 mm

11.811 mm

MIL-T-27E

Audio Transformers / Signal Transformers AUDIO XFMR 600ct:600ct 3.0mADC 50mW ENCAPSULATED PCB MOUNT/SP-67

SP-67
Triad Magnetics
1: $18.26
3,097In Stock
3,906Expected 11/12/2026

Mfr. Part #
SP-67

Mouser Part #
553-SP67

Triad Magnetics

Audio Transformers / Signal Transformers AUDIO XFMR 600ct:600ct 3.0mADC 50mW ENCAPSULATED PCB MOUNT/SP-67

Datasheet

3,097In Stock

3,906Expected 11/12/2026

$18.26

$17.08

$15.95

$15.54

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

High Reliability

0.41 in

0.31 in

0.465 in

MIL-T-27E

Audio Transformers / Signal Transformers AUDIO XFMR 600:600ct* 3.0mADC 50mW ENCAPSULATED PCB MOUNT/SP-69

SP-69
Triad Magnetics
1: $17.58
1,297In Stock

Mfr. Part #
SP-69

Mouser Part #
553-SP69

Triad Magnetics

Audio Transformers / Signal Transformers AUDIO XFMR 600:600ct* 3.0mADC 50mW ENCAPSULATED PCB MOUNT/SP-69

Datasheet

1,297In Stock

$17.58

$16.28

$15.71

$15.35

View

Min.: 1
Mult.: 1

Audio Transformers

Pin Terminal Transformers

Radial

300 Hz to 100 kHz

600 Ohms

600 Ohms, 150 Ohms

1 kV

- 40 C

+ 85 C

Single

High Reliability

7.874 mm

10.41 mm

11.811 mm

MIL-T-27E

Audio Transformers / Signal Transformers THROUGH HOLE 600:600CT

MET-32
Tamura
1: $12.60
162In Stock
1,650On Order

Mfr. Part #
MET-32

Mouser Part #
838-MET-32

Tamura

Audio Transformers / Signal Transformers THROUGH HOLE 600:600CT

Datasheet

162In Stock

1,650On Order

$12.60

$10.89

$10.51

$10.18

View

Min.: 1
Mult.: 1

Audio Transformers

Terminals

300 Hz to 100 kHz

600 Ohms

1 kV

- 20 C

+ 85 C

Ultra Wideband

10.4 mm

7.87 mm

11.8 mm

MET

Tube

Audio Transformers / Signal Transformers 600CT/150 ohms:60K ohms (1:10.5) 1mW

A-10J
Triad Magnetics
1: $140.02
8In Stock

Mfr. Part #
A-10J

Mouser Part #
553-A-10J

Triad Magnetics

Audio Transformers / Signal Transformers 600CT/150 ohms:60K ohms (1:10.5) 1mW

Learn More

Datasheet

8In Stock

$140.02

$136.61

$136.60

View

Min.: 1
Mult.: 1

Audio Transformers

Audio Transformer

Wire Lead

30 Hz to 15 kHz

600 Ohms, 150 Ohms

60 kOhms

0 C

+ 70 C

Pre-Amplification, Inter-Stage Isolation

1.81 in

Audio Transformers / Signal Transformers Audio transformer, potted, primary impedance 600 CT, secondary impedance 600 CT

101F
Hammond Manufacturing
1: $24.34
145In Stock

Mfr. Part #
101F

Mouser Part #
546-101F

Hammond Manufacturing

Audio Transformers / Signal Transformers Audio transformer, potted, primary impedance 600 CT, secondary impedance 600 CT

Datasheet

145In Stock

$24.34

$21.97

$20.98

$20.28

View

Min.: 1
Mult.: 1

Audio Transformers

Pin Terminal Transformers

Through Hole

300 Hz to 100 kHz

600 Ohms

Single

Signal Level

0.45 in

0.48 in

101

Audio Transformers / Signal Transformers Audio transformer, potted, primary 10K ctohms , secondary 10K ct ohms

107T
Hammond Manufacturing
1: $27.89
257In Stock

Mfr. Part #
107T

Mouser Part #
546-107T

Hammond Manufacturing

Audio Transformers / Signal Transformers Audio transformer, potted, primary 10K ctohms , secondary 10K ct ohms

Datasheet

257In Stock

$27.89

$26.73

$25.52

$24.65

View

Min.: 1
Mult.: 1

Audio Transformers

Pin Terminal Transformers

Through Hole

300 Hz to 50 kHz

10 kOhms

+ 85 C

Single

Signal Level

0.63 in

0.586 in

0.63 in

107

Audio Transformers / Signal Transformers Audio transformer, potted, primary 600 ctohms , secondary 600 ct ohms

109H
Hammond Manufacturing
1: $37.29
57In Stock

Mfr. Part #
109H

Mouser Part #
546-109H

Hammond Manufacturing

Audio Transformers / Signal Transformers Audio transformer, potted, primary 600 ctohms , secondary 600 ct ohms

Datasheet

57In Stock

$37.29

$33.41

$31.96

$30.91

View

Min.: 1
Mult.: 1

Audio Transformers

Pin Terminal Transformers

Through Hole

300 Hz to 50 kHz

600 Ohms

Single

Signal Level

1.315 in

0.93 in

0.92 in

109

Audio Transformers / Signal Transformers Audio transformer, open frame PC board mount, 600 C.T.:600 C.T.

142D
Hammond Manufacturing
1: $8.72
941In Stock

Mfr. Part #
142D

Mouser Part #
546-142D

Hammond Manufacturing

Audio Transformers / Signal Transformers Audio transformer, open frame PC board mount, 600 C.T.:600 C.T.

Datasheet

941In Stock

$8.72

$7.78

$7.43

$7.18

View

Min.: 1
Mult.: 1

Audio Transformers

Pin Terminal Transformers

Through Hole

150 Hz to 15 kHz

600 Ohms

Single

Signal Level

108

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

SP-70
Triad Magnetics
1: $17.47
1,325In Stock
3,402Expected 8/27/2026

Mfr. Part #
SP-70

Mouser Part #
553-SP70

Triad Magnetics

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

Datasheet

1,325In Stock

3,402Expected 8/27/2026

$17.47

$16.37

$15.86

$15.47

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

High Reliability

7.874 mm

10.41 mm

11.811 mm

MIL-T-27E

Audio Transformers / Signal Transformers AUDIO XFMR 25Kct:1Kct 0.5mADC 40mW ENCAPSULATED PCB MOUNT/SP-13

SP-13
Triad Magnetics
1: $17.90
217In Stock
7Expected 8/12/2026

Mfr. Part #
SP-13

Mouser Part #
553-SP13

Triad Magnetics

Audio Transformers / Signal Transformers AUDIO XFMR 25Kct:1Kct 0.5mADC 40mW ENCAPSULATED PCB MOUNT/SP-13

Datasheet

217In Stock

7Expected 8/12/2026

$17.90

$16.55

$16.13

$15.24

View

Min.: 1
Mult.: 1

Audio Transformers

Pin Terminal Transformers

Radial

300 Hz to 100 kHz

25 kOhms, 20 kOhms

1 kOhms, 800 Ohms

1 kV

- 40 C

+ 85 C

Single

High Reliability

7.874 mm

10.41 mm

11.811 mm

MIL-T-27E

Audio Transformers Audio Transformers / Signal Transformers

Customer Service Office

Company

Resources

Support

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 15 kHz
50 Hz to 19 kHz
50 Hz to 60 Hz
70 Hz to 11 kHz
150 Hz to 15 kHz
200 Hz
200 Hz to 15 kHz
200 Hz to 50 kHz
300 Hz to 100 kHz
300 Hz to 3.4 kHz
300 Hz to 3.5 kHz
300 Hz to 50 kHz
400 Hz to 250 kHz
10 kHz to 200 MHz

350 uH
750 uH
1 mH to 2.06 mH
1 mH to 2.2 mH
1.5 mH
1.9 mH to 4 mH
2 mH to 3.9 mH
3.2 mH to 3.2 mH
3.2 mH to 8.5 mH
4 mH to 7.75 mH
5.3 mH
6 mH
10.6 mH
100 mH
2.99 H
4.48 H
5.6 H
7 H
8.97 H
14.94 H

100 mOhms
3.2 Ohms
7.5 Ohms/30 Ohms
12 Ohms, 48 Ohms
20 Ohms
30 Ohms, 50 Ohms
48 Ohms
50 Ohms
50 Ohms, 110 Ohms, 200 Ohms, 300 Ohms, 600 Ohms
50 Ohms, 250 Ohms, 600 Ohms
50 Ohms/200 Ohms
62.5 Ohms, 150 Ohms, 250 Ohms, 600 Ohms
80 Ohms
100 Ohms
110 Ohms
120 Ohms
125 Ohms, 500 Ohms
135 Ohms
150 Ohms
150 Ohms, 250 Ohms, 600 Ohms, 62.5 kOhms

1.5 Ohms to 15 Ohms
3.2 Ohms
4 Ohms
4 Ohms, 16 Ohms
4 Ohms, 8 Ohms
4 Ohms, 8 Ohms, 16 Ohms
8 Ohms
12 Ohms
12.5 Ohms
15 Ohms
16 Ohms
20 Ohms
20 Ohms, 80 Ohms
32 Ohms
50 Ohms
50 Ohms, 200 Ohms
50 Ohms, 250 Ohms, 600 Ohms
62.5 Ohms, 150 Ohms, 250 Ohms, 600 Ohms
80 Ohms
100 Ohms

1000 Base-T
10/100 Base-T
Audio
Balanced Bridging Input Stages
Balanced Microphone Output, Ideal for Feeding Long Cables
Balancing Input Stages on High Impedance Input
Balancing Input Stages on Vacuum Tubes
Coupling Encapsulated
Data/Voice Coupling
Designed with Bi-filar Windings Gives Low Distortion Levels and Good Output Levels
Designed with Quad-filar Windings Gives Low Distortion Levels and Good Output Levels
Digital
Digital Audio Transformer
Digital Data Transmission
Driver, Line Matching, Input/Output Application, Interstage, Isolation, Pulse Trigger, Telephone Coupling
High Impedance Inputs
High Performance Tube Line Output Stages
High Reliability
Input Stage on Vacuum Tube or FET Style Amplifiers
Line Matching

1.25 mm
7.87 mm
7.874 mm
7.9 mm
8.13 mm
9.52 mm
0.41 in
10.4 mm
10.414 mm
0.45 in
12.7 mm
14.37 mm
0.57 in
15 mm
0.63 in
16.51 mm
0.69 in
0.71 in
0.78 in
0.781 in

7.11 mm
7.87 mm
7.874 mm
0.31 in
7.9 mm
9 mm
10.16 mm
10.4 mm
10.41 mm
0.45 in
12.07 mm
0.48 in
0.57 in
0.586 in
15 mm
16.51 mm
16.76 mm
0.66 in
0.67 in
17 mm

0.53 mm
2.08 mm
5.08 mm
0.225 in
6.35 mm
8.64 mm
10 mm
11.68 mm
0.46 in
0.465 in
11.8 mm
11.81 mm
11.811 mm
0.47 in
0.48 in
0.5 in
12.7 mm
0.53 in
0.63 in
17 mm

101
102
104
106
107
108
109
117
119
140
141
143
144
145
146
148
149
560
800
850