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Audio Transformers Audio Transformers / Signal Transformers

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Part #

Audio Transformers / Signal Transformers Audio transformer, line output, chassis mount, impedance ratio 600 to 600

1140-LU-G
Hammond Manufacturing
1: HK$1,138.31
1In Stock

Mfr. Part No.
1140-LU-G

Mouser Part No
546-1140-LU-G

Hammond Manufacturing

Audio Transformers / Signal Transformers Audio transformer, line output, chassis mount, impedance ratio 600 to 600

Learn More

Datasheet

1In Stock

HK$1,138.31

HK$1,119.40

HK$1,109.70

View

Min.: 1
Mult.: 1

Audio Transformers

Wire Lead

680 Ohms

80 Ohms

Single

3.25 in

1.55 in

1.95 in

1140

Audio Transformers / Signal Transformers Audio transformer, universal push-pull tube output, 8 watts

125C
Hammond Manufacturing
1: HK$511.70
8In Stock

Mfr. Part No.
125C

Mouser Part No
546-125C

Hammond Manufacturing

Audio Transformers / Signal Transformers Audio transformer, universal push-pull tube output, 8 watts

Learn More

Datasheet

8In Stock

HK$511.70

HK$450.05

HK$431.06

HK$416.01

View

Min.: 1
Mult.: 1

Audio Transformers

Push-Pull

Terminals

150 Hz to 15 kHz

5.6 H

1.2 kOhms, 25 kOhms

1.5 Ohms to 15 Ohms

Single

2.81 in

1.5 in

1.69 in

125A-125E Series

Audio Transformers / Signal Transformers Audio transformer, low profile PC board mount, 200K:1000 ohms

141B
Hammond Manufacturing
1: HK$242.82
4In Stock

Mfr. Part No.
141B

Mouser Part No
546-141B

Hammond Manufacturing

Audio Transformers / Signal Transformers Audio transformer, low profile PC board mount, 200K:1000 ohms

Datasheet

4In Stock

HK$242.82

HK$212.16

HK$204.35

HK$197.03

View

Min.: 1
Mult.: 1

Audio Transformers

Pin Terminal Transformers

Through Hole

200 Hz to 50 kHz

200 kOhms

1 kOhms

Single

0.78 in

0.66 in

0.46 in

141

Audio Transformers / Signal Transformers Audio transformer, low profile PC board mount, 25K:50 ohms

141F
Hammond Manufacturing
1: HK$251.37
2In Stock

Mfr. Part No.
141F

Mouser Part No
546-141F

Hammond Manufacturing

Audio Transformers / Signal Transformers Audio transformer, low profile PC board mount, 25K:50 ohms

Datasheet

2In Stock

HK$251.37

HK$225.56

HK$220.38

HK$215.36

View

Min.: 1
Mult.: 1

Audio Transformers

25 kOhms

50 Ohms

141

Audio Transformers / Signal Transformers Audio transformer, chassis mount, Input, 200K:1000 ohms

143D
Hammond Manufacturing
1: HK$340.72
2In Stock

Mfr. Part No.
143D

Mouser Part No
546-143D

Hammond Manufacturing

Audio Transformers / Signal Transformers Audio transformer, chassis mount, Input, 200K:1000 ohms

Datasheet

2In Stock

HK$340.72

HK$305.95

HK$297.07

HK$289.84

View

Min.: 1
Mult.: 1

Audio Transformers

200 kOhms

1 kOhms

143

Audio Transformers / Signal Transformers Audio transformer, chassis mount, Driver, 3000:1000 ct ohms

143J
Hammond Manufacturing
1: HK$326.58
1In Stock

Mfr. Part No.
143J

Mouser Part No
546-143J

Hammond Manufacturing

Audio Transformers / Signal Transformers Audio transformer, chassis mount, Driver, 3000:1000 ct ohms

Datasheet

1In Stock

HK$326.58

HK$289.02

HK$275.86

HK$264.60

View

Min.: 1
Mult.: 1

Audio Transformers

3 kOhms

1 kOhms

143

Audio Transformers / Signal Transformers Audio transformer, chassis mount, Driver, 25000:600 ct ohms

143R
Hammond Manufacturing
1: HK$338.42
1In Stock

Mfr. Part No.
143R

Mouser Part No
546-143R

Hammond Manufacturing

Audio Transformers / Signal Transformers Audio transformer, chassis mount, Driver, 25000:600 ct ohms

Datasheet

1In Stock

HK$338.42

HK$305.95

HK$296.58

HK$288.85

View

Min.: 1
Mult.: 1

Audio Transformers

25 kOhms

600 Ohms CT

143

Audio Transformers / Signal Transformers Audio transformer, chassis mount, Output, 10000:3.2 ohms

144P
Hammond Manufacturing
1: HK$231.23
2In Stock

Mfr. Part No.
144P

Mouser Part No
546-144P

Hammond Manufacturing

Audio Transformers / Signal Transformers Audio transformer, chassis mount, Output, 10000:3.2 ohms

Datasheet

2In Stock

HK$231.23

HK$198.27

HK$190.62

HK$184.70

View

Min.: 1
Mult.: 1

Audio Transformers

Screw

150 Hz to 15 kHz

10 kOhms

3.2 Ohms

1.35 in

0.69 in

144

Audio Transformers / Signal Transformers Audio transformer, chassis mount, Output, 48 ct:8 ohms

146C
Hammond Manufacturing
1: HK$231.23
11In Stock

Mfr. Part No.
146C

Mouser Part No
546-146C

Hammond Manufacturing

Audio Transformers / Signal Transformers Audio transformer, chassis mount, Output, 48 ct:8 ohms

Datasheet

11In Stock

HK$231.23

HK$221.61

HK$191.53

HK$185.61

View

Min.: 1
Mult.: 1

Audio Transformers

Wire Lead

150 Hz to 15 kHz

48 Ohms

8 Ohms

Single

1.63 in

0.88 in

0.81 in

146

Audio Transformers / Signal Transformers Audio transformer, chassis mount, Output, 500 ct:3.2 ohms

146H
Hammond Manufacturing
1: HK$231.23
2In Stock

Mfr. Part No.
146H

Mouser Part No
546-146H

Hammond Manufacturing

Audio Transformers / Signal Transformers Audio transformer, chassis mount, Output, 500 ct:3.2 ohms

Datasheet

2In Stock

HK$231.23

HK$198.84

HK$191.28

HK$185.36

View

Min.: 1
Mult.: 1

Audio Transformers

Wire Lead

150 Hz to 15 kHz

500 Ohms

3.2 Ohms

Single

1.63 in

0.88 in

0.81 in

146

Audio Transformers / Signal Transformers Audio transformer, chassis mount, Output, 500 ct:8 ohms

146I
Hammond Manufacturing
1: HK$231.23
14In Stock

Mfr. Part No.
146I

Mouser Part No
546-146I

Hammond Manufacturing

Audio Transformers / Signal Transformers Audio transformer, chassis mount, Output, 500 ct:8 ohms

Datasheet

14In Stock

HK$231.23

HK$221.61

HK$191.28

HK$185.36

View

Min.: 1
Mult.: 1

Audio Transformers

Wire Lead

150 Hz to 15 kHz

500 Ohms

8 Ohms

Single

1.63 in

0.88 in

0.81 in

146

Bulk

Audio Transformers / Signal Transformers Audio transformer, chassis mount, Output, 1000 ct:3.2 ohms

146J
Hammond Manufacturing
1: HK$231.23
1In Stock

Mfr. Part No.
146J

Mouser Part No
546-146J

Hammond Manufacturing

Audio Transformers / Signal Transformers Audio transformer, chassis mount, Output, 1000 ct:3.2 ohms

Datasheet

1In Stock

HK$231.23

HK$207.23

HK$191.36

HK$185.36

View

Min.: 1
Mult.: 1

Audio Transformers

Wire Lead

150 Hz to 15 kHz

1 kOhms

3.2 Ohms

1.63 in

0.88 in

0.81 in

146

Audio Transformers / Signal Transformers Audio transformer, open frame PC board mount, Driver, 96000:00:00:500/2000 ohms

148K
Hammond Manufacturing
1: HK$224.82
2In Stock

Mfr. Part No.
148K

Mouser Part No
546-148K

Hammond Manufacturing

Audio Transformers / Signal Transformers Audio transformer, open frame PC board mount, Driver, 96000:00:00:500/2000 ohms

Datasheet

2In Stock

HK$224.82

HK$195.64

HK$188.81

HK$183.14

View

Min.: 1
Mult.: 1

Audio Transformers

Pin Terminal Transformers

Through Hole

200 Hz to 15 kHz

4 kOhms

2 kOhms

Single

0.82 in x 0.68 in x 0.69 in

0.82 in

0.68 in

0.69 in

148

Audio Transformers / Signal Transformers Audio transformer, open frame PC board mount, Output, 200 ct:3.2 ohms

149Q
Hammond Manufacturing
1: HK$234.93
1In Stock

Mfr. Part No.
149Q

Mouser Part No
546-149Q

Hammond Manufacturing

Audio Transformers / Signal Transformers Audio transformer, open frame PC board mount, Output, 200 ct:3.2 ohms

Datasheet

1In Stock

HK$234.93

HK$202.13

HK$194.40

HK$188.40

View

Min.: 1
Mult.: 1

Audio Transformers

Pin Terminal Transformers

Radial

200 Hz to 15 kHz

200 Ohms

3.2 Ohms

Single

1.06 in

0.82 in

149

Audio Transformers / Signal Transformers Audio transformer, broadcast quality, potted, for Emitter or mic to Line

560E
Hammond Manufacturing
1: HK$642.89
2In Stock

Mfr. Part No.
560E

Mouser Part No
546-560E

Hammond Manufacturing

Audio Transformers / Signal Transformers Audio transformer, broadcast quality, potted, for Emitter or mic to Line

Datasheet

2In Stock

HK$642.89

HK$568.99

HK$538.49

HK$526.41

View

Min.: 1
Mult.: 1

Audio Transformers

Through Hole

30 Hz to 30 kHz

20 Ohms

600 Ohms

Single

1.33 in

1.64 in

0.85 in

560

Audio Transformers / Signal Transformers Audio transformer, broadcast quality, potted, for Collector to Line or Matching

560L
Hammond Manufacturing
1: HK$642.89
1In Stock

Mfr. Part No.
560L

Mouser Part No
546-560L

Hammond Manufacturing

Audio Transformers / Signal Transformers Audio transformer, broadcast quality, potted, for Collector to Line or Matching

Datasheet

1In Stock

HK$642.89

HK$569.07

HK$538.08

HK$525.26

View

Min.: 1
Mult.: 1

Audio Transformers

Through Hole

30 Hz to 30 kHz

600 Ohms

20 kOhms

Single

1.33 in x 1.64 in x 0.85 in

1.33 in

1.64 in

0.85 in

560

Audio Transformers / Signal Transformers INDUCTOR 0.1H at 5.0mADC ENCAPSULATED PCB MOUNT/SP-128

SP-128
Triad Magnetics
1: HK$130.45
1In Stock

Mfr. Part No.
SP-128

Mouser Part No
553-SP128

Triad Magnetics

Audio Transformers / Signal Transformers INDUCTOR 0.1H at 5.0mADC ENCAPSULATED PCB MOUNT/SP-128

Datasheet

1In Stock

HK$130.45

HK$128.64

HK$126.51

HK$123.63

View

Min.: 1
Mult.: 1

Audio Transformers

Through Hole

300 Hz to 100 kHz

100 mH

100 mOhms

1 kV

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: HK$151.33
42In Stock
385On Order

Mfr. Part No.
SP-13

Mouser Part No
553-SP13

Triad Magnetics

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

Datasheet

42In Stock

385On Order

HK$151.33

HK$140.32

HK$133.58

HK$132.42

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

7.874 mm

10.41 mm

11.811 mm

MIL-T-27E

Audio Transformers / Signal Transformers AUDIO XFMR 10Kct:1.2Kct 1.0mADC 50mW ENCAPSULATED PCB MOUNT/SP-20

SP-20
Triad Magnetics
1: HK$133.49
43In Stock

Mfr. Part No.
SP-20

Mouser Part No
553-SP20

Triad Magnetics

Audio Transformers / Signal Transformers AUDIO XFMR 10Kct:1.2Kct 1.0mADC 50mW ENCAPSULATED PCB MOUNT/SP-20

Datasheet

43In Stock

HK$133.49

HK$128.15

HK$110.23

HK$108.67

View

Min.: 1
Mult.: 1

Audio Transformers

Pin Terminal Transformers

Radial

300 Hz to 100 kHz

10 kOhms

1.2 kOhms

1 kV

Single

7.874 mm

10.41 mm

MIL-T-27E

Audio Transformers / Signal Transformers AUDIO XFMR 1.0Kct:50 3.0mADC 50mW ENCAPSULATED PCB MOUNT/SP-33

SP-33
Triad Magnetics
1: HK$124.78
89In Stock
504On Order

Mfr. Part No.
SP-33

Mouser Part No
553-SP33

Triad Magnetics

Audio Transformers / Signal Transformers AUDIO XFMR 1.0Kct:50 3.0mADC 50mW ENCAPSULATED PCB MOUNT/SP-33

Datasheet

89In Stock

504On Order

HK$124.78

HK$116.40

HK$113.68

HK$110.23

View

Min.: 1
Mult.: 1

Audio Transformers

Pin Terminal Transformers

Radial

300 Hz to 100 kHz

1 kOhms

50 Ohms

1 kV

- 40 C

+ 85 C

Single

7.874 mm

10.41 mm

11.811 mm

MIL-T-27E

Audio Transformers / Signal Transformers AUDIO XFMR 200Kct:1Kct 10mW ENCAPSULATED PCB MOUNT/SP-4

SP-4
Triad Magnetics
1: HK$167.93
68In Stock
252Expected 14/9/2026

Mfr. Part No.
SP-4

Mouser Part No
553-SP4

Triad Magnetics

Audio Transformers / Signal Transformers AUDIO XFMR 200Kct:1Kct 10mW ENCAPSULATED PCB MOUNT/SP-4

Datasheet

68In Stock

252Expected 14/9/2026

HK$167.93

HK$162.35

HK$155.69

HK$150.75

View

Min.: 1
Mult.: 1

Audio Transformers

Pin Terminal Transformers

Radial

300 Hz to 100 kHz

200 kOhms

1 kOhms

1 kV

- 40 C

+ 85 C

Single

7.874 mm

10.41 mm

11.811 mm

MIL-T-27E

Audio Transformers / Signal Transformers AUDIO XFMR 300ct:600 7.0mADC 50mW ENCAPSULATED PCB MOUNT/SP-49

SP-49
Triad Magnetics
1: HK$147.47
15In Stock

Mfr. Part No.
SP-49

Mouser Part No
553-SP49

Triad Magnetics

Audio Transformers / Signal Transformers AUDIO XFMR 300ct:600 7.0mADC 50mW ENCAPSULATED PCB MOUNT/SP-49

Datasheet

15In Stock

HK$147.47

HK$136.70

HK$130.20

HK$126.09

View

Min.: 1
Mult.: 1

Audio Transformers

Pin Terminal Transformers

Radial

300 Hz to 100 kHz

300 Ohms

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 AUDIO XFMR 500ct:600 3.0mADC 50mW ENCAPSULATED PCB MOUNT/SP-50

SP-50
Triad Magnetics
1: HK$149.36
25In Stock

Mfr. Part No.
SP-50

Mouser Part No
553-SP50

Triad Magnetics

Audio Transformers / Signal Transformers AUDIO XFMR 500ct:600 3.0mADC 50mW ENCAPSULATED PCB MOUNT/SP-50

Datasheet

25In Stock

HK$149.36

HK$148.29

HK$142.12

HK$131.68

View

Min.: 1
Mult.: 1

Audio Transformers

Pin Terminal Transformers

Radial

300 Hz to 100 kHz

500 Ohms

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 AUDIO XFMR 900ct:600 4.0mADC 50mW ENCAPSULATED PCB MOUNT/SP-51

SP-51
Triad Magnetics
1: HK$147.14
49In Stock

Mfr. Part No.
SP-51

Mouser Part No
553-SP51

Triad Magnetics

Audio Transformers / Signal Transformers AUDIO XFMR 900ct:600 4.0mADC 50mW ENCAPSULATED PCB MOUNT/SP-51

Datasheet

49In Stock

HK$147.14

HK$136.37

HK$129.88

HK$121.90

View

Min.: 1
Mult.: 1

Audio Transformers

Pin Terminal Transformers

Radial

300 Hz to 100 kHz

900 Ohms

600 Ohms

1 kV

- 40 C

+ 85 C

Single

0.41 in

0.31 in

0.465 in

MIL-T-27E

Audio Transformers / Signal Transformers AUDIO XFMR 1.5Kct:600 3.0mADC 50mW ENCAPSULATED PCB MOUNT/SP-52

SP-52
Triad Magnetics
1: HK$138.26
53In Stock

Mfr. Part No.
SP-52

Mouser Part No
553-SP52

Triad Magnetics

Audio Transformers / Signal Transformers AUDIO XFMR 1.5Kct:600 3.0mADC 50mW ENCAPSULATED PCB MOUNT/SP-52

Datasheet

53In Stock

HK$138.26

HK$128.07

HK$122.15

HK$118.45

View

Min.: 1
Mult.: 1

Audio Transformers

Pin Terminal Transformers

Radial

300 Hz to 100 kHz

1.5 kOhms

600 Ohms

1 kV

- 40 C

+ 85 C

Single

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

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