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CMT Magnetic Buzzer Transducers

Same Sky CMT Magnetic Buzzer Transducers offer sound pressure levels (SPL) that range from 65dB to 100dB. These devices feature an 800Hz to 4000Hz typical frequency range and -30°C to +85°C operating temperature range. These externally driven audio transducers are available in spring contact, surface-mount, and through-hole mounting styles. Same Sky CMT Magnetic Buzzer Transducers are ideal for a variety of consumer electronics, industrial, and portable equipment applications.

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Part #

Buzzers & Audio Indicators - Board Mount buzzer, 8.5 mm square, 3 mm deep, M, 2.73 kHz, 3.6 V, SMT, no driving circuit, T&R package

CSS-I4B20-SMT-TR
Same Sky
1: $2.18
1,173In Stock

Mfr. Part No.
CSS-I4B20-SMT-TR

Mouser Part No
490-CSS-I4B20-SMT-TR

Same Sky

Buzzers & Audio Indicators - Board Mount buzzer, 8.5 mm square, 3 mm deep, M, 2.73 kHz, 3.6 V, SMT, no driving circuit, T&R package

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Datasheet

1,173In Stock

Cut Tape

$2.18

$1.92

$1.83

$1.77

Reel

$1.34

View

Min.: 1
Mult.: 1

: 1,000

Buzzers & Audio Indicators - Board Mount buzzer, 5 mm square, 2.5 mm deep, M, 4 kHz, 3 V, SMT, no driving circuit, T&R package

CSS-0575B-SMT-TR
Same Sky
1: $3.39
5,966In Stock

Mfr. Part No.
CSS-0575B-SMT-TR

Mouser Part No
490-CSS-0575B-SMT-TR

Same Sky

Buzzers & Audio Indicators - Board Mount buzzer, 5 mm square, 2.5 mm deep, M, 4 kHz, 3 V, SMT, no driving circuit, T&R package

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Datasheet

5,966In Stock

Cut Tape

$3.39

$2.68

$2.44

$2.27

Reel

$1.72

View

Min.: 1
Mult.: 1

: 2,500

Buzzers & Audio Indicators - Board Mount Buzzer 24.5mm rnd 1kHz 12V TH

CMT-2412C-120
Same Sky
1: $3.17
500In Stock

Mfr. Part No.
CMT-2412C-120

Mouser Part No
490-CMT-2412C-120

Same Sky

Buzzers & Audio Indicators - Board Mount Buzzer 24.5mm rnd 1kHz 12V TH

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Datasheet

500In Stock

$3.17

$2.30

$2.09

$1.76

View

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Board Mount Buzzer 12.8x9.8mm 2.4kHz 1.5V SMT

CMT-1270S-SMT-TR
Same Sky
1: $2.84
997In Stock

Mfr. Part No.
CMT-1270S-SMT-TR

Mouser Part No
490-CMT-1270S-SMT-TR

Same Sky

Buzzers & Audio Indicators - Board Mount Buzzer 12.8x9.8mm 2.4kHz 1.5V SMT

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Datasheet

997In Stock

Cut Tape

$2.84

$2.13

$1.93

$1.75

Reel

$1.14

View

MouseReel Available

Min.: 1
Mult.: 1

: 450

Buzzers & Audio Indicators - Board Mount buzzer, 9 mm round, 4.5 mm deep, M, 2.73 kHz, 1.5 V, through hole, no driving circuit

CST-911RP-A
Same Sky
1: $1.65
1,737In Stock

Mfr. Part No.
CST-911RP-A

Mouser Part No
490-CST-911RP/A

Same Sky

Buzzers & Audio Indicators - Board Mount buzzer, 9 mm round, 4.5 mm deep, M, 2.73 kHz, 1.5 V, through hole, no driving circuit

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Datasheet

1,737In Stock

$1.65

$1.26

$0.895

$0.855

View

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Board Mount Buzzers

CBT-09427-SMT-TR
Same Sky
1: $2.04
1,588In Stock
6,400Expected 21/08/2026

Mfr. Part No.
CBT-09427-SMT-TR

Mouser Part No
490-CBT-09427-SMT-TR

Same Sky

Buzzers & Audio Indicators - Board Mount Buzzers

Learn More

Datasheet

1,588In Stock

6,400Expected 21/08/2026

Cut Tape

$2.04

$1.60

$1.46

$1.36

View

Reel

$1.11

MouseReel Available

Min.: 1
Mult.: 1

: 800

Buzzers & Audio Indicators - Board Mount Buzzers

CEM-1203(42)
Same Sky
1: $0.99
4,280In Stock
13,000Expected 02/10/2026

Mfr. Part No.
CEM-1203(42)

Mouser Part No
490-CEM-1203(42)

Same Sky

Buzzers & Audio Indicators - Board Mount Buzzers

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Datasheet

4,280In Stock

13,000Expected 02/10/2026

$0.99

$0.741

$0.666

$0.613

View

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Board Mount buzzer, 5 mm, 2.5 mm deep, M, 3 V, 75 dB, Surface Mount (SMT), Audio Transducer

CMT-0525-75-SMT-TR
Same Sky
1: $2.36
3,464In Stock

Mfr. Part No.
CMT-0525-75-SMT-TR

Mouser Part No
490-CMT-0525-75SMTTR

Same Sky

Buzzers & Audio Indicators - Board Mount buzzer, 5 mm, 2.5 mm deep, M, 3 V, 75 dB, Surface Mount (SMT), Audio Transducer

Learn More

Datasheet

3,464In Stock

Cut Tape

$2.36

$1.85

$1.69

$1.57

Reel

$1.14

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Buzzers & Audio Indicators - Board Mount buzzer, 3.2 mm square, 2 mm deep, 3Vo-p, 65dB, SMT, Magnetic Audio Tranducer, TR

CMT-322-65-SMT-TR
Same Sky
1: $2.63
1,319In Stock

Mfr. Part No.
CMT-322-65-SMT-TR

Mouser Part No
490-CMT-322-65-SMTTR

Same Sky

Buzzers & Audio Indicators - Board Mount buzzer, 3.2 mm square, 2 mm deep, 3Vo-p, 65dB, SMT, Magnetic Audio Tranducer, TR

Learn More

Datasheet

1,319In Stock

Cut Tape

$2.63

$2.14

$1.99

$1.86

View

Reel

$1.47

Min.: 1
Mult.: 1

: 1,000

Buzzers & Audio Indicators - Board Mount Buzzer 4mm sq 4kHz 3V SMT

CMT-4023S-SMT-TR
Same Sky
1: $3.22
1,335In Stock
6,000Expected 16/10/2026

Mfr. Part No.
CMT-4023S-SMT-TR

Mouser Part No
490-CMT-4023S-SMT-TR

Same Sky

Buzzers & Audio Indicators - Board Mount Buzzer 4mm sq 4kHz 3V SMT

Learn More

Datasheet

1,335In Stock

6,000Expected 16/10/2026

Cut Tape

$3.22

$2.96

$2.63

$2.33

View

Reel

$1.61

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Buzzers & Audio Indicators - Board Mount 7.5mm, 3.6Vo-p, 80dB, Surface Mount, Magnetic Audio Transducer Buzzer

CMT-7525-80-SMT-TR
Same Sky
1: $1.76
3,268In Stock
6,000Expected 17/07/2026

Mfr. Part No.
CMT-7525-80-SMT-TR

Mouser Part No
490-CMT-7525-80SMTTR

Same Sky

Buzzers & Audio Indicators - Board Mount 7.5mm, 3.6Vo-p, 80dB, Surface Mount, Magnetic Audio Transducer Buzzer

Learn More

Datasheet

3,268In Stock

6,000Expected 17/07/2026

Cut Tape

$1.76

$1.38

$1.26

$1.17

View

Reel

$0.815

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Buzzers & Audio Indicators - Board Mount buzzer, 8.5 mm, 3 mm deep, M, 3.6 V, 90 dB, Surface Mount (SMT), Audio Transducer

CMT-8503-90-SMT-TR
Same Sky
1: $1.78
7,210In Stock

Mfr. Part No.
CMT-8503-90-SMT-TR

Mouser Part No
490-CMT-8503-90SMTTR

Same Sky

Buzzers & Audio Indicators - Board Mount buzzer, 8.5 mm, 3 mm deep, M, 3.6 V, 90 dB, Surface Mount (SMT), Audio Transducer

Learn More

Datasheet

7,210In Stock

Cut Tape

$1.78

$1.40

$1.27

$1.19

View

Reel

$0.945

Min.: 1
Mult.: 1

: 1,000

Buzzers & Audio Indicators - Board Mount buzzer, 8.5 mm, 3 mm deep, M, 3.6 V, 85 dB, Surface Mount (SMT), Audio Transducer

CMT-8503-85B-SMT-TR
Same Sky
1: $2.22
2,810In Stock

Mfr. Part No.
CMT-8503-85B-SMT-TR

Mouser Part No
490-CMT-850385BSMTTR

Same Sky

Buzzers & Audio Indicators - Board Mount buzzer, 8.5 mm, 3 mm deep, M, 3.6 V, 85 dB, Surface Mount (SMT), Audio Transducer

Learn More

Datasheet

2,810In Stock

Cut Tape

$2.22

$1.72

$1.52

$1.41

Reel

$0.976

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Buzzers & Audio Indicators - Board Mount buzzer, 8.5 mm, 4 mm deep, M, 5 V, 100 dB, Surface Mount (SMT), Audio Transducer

CMT-8504-100-SMT-TR
Same Sky
1: $1.59
902In Stock
17,000Expected 17/07/2026

Mfr. Part No.
CMT-8504-100-SMT-TR

Mouser Part No
490-CMT-8504100SMTTR

Same Sky

Buzzers & Audio Indicators - Board Mount buzzer, 8.5 mm, 4 mm deep, M, 5 V, 100 dB, Surface Mount (SMT), Audio Transducer

Learn More

Datasheet

902In Stock

17,000Expected 17/07/2026

Cut Tape

$1.59

$1.25

$1.14

$1.06

View

Reel

$0.85

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Buzzers & Audio Indicators - Board Mount Buzzer 8.5mm sq 2.73kHz 3.6V SMT

CMT-8530S-SMT-TR
Same Sky
1: $2.80
4,694In Stock
10,000Expected 14/08/2026

Mfr. Part No.
CMT-8530S-SMT-TR

Mouser Part No
490-CMT-8530S-SMT-TR

Same Sky

Buzzers & Audio Indicators - Board Mount Buzzer 8.5mm sq 2.73kHz 3.6V SMT

Learn More

Datasheet

4,694In Stock

10,000Expected 14/08/2026

Cut Tape

$2.80

$2.20

$2.00

$1.87

View

Reel

$1.57

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Buzzers & Audio Indicators - Board Mount Buzzer 8.5mm sq 4kHz 5V SMT

CMT-8540S-SMT-TR
Same Sky
1: $3.41
4,075In Stock
6,000Expected 16/10/2026

Mfr. Part No.
CMT-8540S-SMT-TR

Mouser Part No
490-CMT-8540S-SMT-TR

Same Sky

Buzzers & Audio Indicators - Board Mount Buzzer 8.5mm sq 4kHz 5V SMT

Learn More

Datasheet

4,075In Stock

6,000Expected 16/10/2026

Cut Tape

$3.41

$2.69

$2.45

$2.28

View

Reel

$1.89

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Buzzers & Audio Indicators - Board Mount Buzzers

CSS-0575A-SMT-TR
Same Sky
1: $3.06
1,037In Stock
5,000Expected 16/10/2026

Mfr. Part No.
CSS-0575A-SMT-TR

Mouser Part No
490-CSS-0575A-SMT-TR

Same Sky

Buzzers & Audio Indicators - Board Mount Buzzers

Learn More

Datasheet

1,037In Stock

5,000Expected 16/10/2026

Cut Tape

$3.06

$2.41

$2.19

$2.05

Reel

$1.52

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Buzzers & Audio Indicators - Board Mount Buzzers

CST-951RP-A
Same Sky
1: $1.65
2,623In Stock

Mfr. Part No.
CST-951RP-A

Mouser Part No
490-CST-951RP-A

Same Sky

Buzzers & Audio Indicators - Board Mount Buzzers

Learn More

Datasheet

2,623In Stock

$1.65

$1.26

$1.13

$1.05

View

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Board Mount Buzzers

CCG-1206
Same Sky
1: $1.22
1,408In Stock

Mfr. Part No.
CCG-1206

Mouser Part No
490-CCG-1206

Same Sky

Buzzers & Audio Indicators - Board Mount Buzzers

Learn More

Datasheet

1,408In Stock

$1.22

$0.923

$0.824

$0.763

View

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Board Mount Buzzers

CD-1206-SMT
Same Sky
1: $2.24
341In Stock
400Expected 21/08/2026

Mfr. Part No.
CD-1206-SMT

Mouser Part No
490-CD-1206-SMT

Same Sky

Buzzers & Audio Indicators - Board Mount Buzzers

Learn More

Datasheet

341In Stock

400Expected 21/08/2026

$2.24

$1.70

$1.53

$1.35

View

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Board Mount Buzzers

CEM-1201(42)
Same Sky
1: $0.96
64In Stock
2,000On Order

Mfr. Part No.
CEM-1201(42)

Mouser Part No
490-CEM-1201(42)

Same Sky

Buzzers & Audio Indicators - Board Mount Buzzers

Learn More

Datasheet

64In Stock

2,000On Order

$0.96

$0.73

$0.656

$0.606

View

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Board Mount buzzer, 12 mm round, 8.5 mm deep, M, 2048 Hz, 1.5 V, through hole, no driving circuit

CEM-1201(50)
Same Sky
1: $0.95
201In Stock

Mfr. Part No.
CEM-1201(50)

Mouser Part No
490-CEM-1201(50)

Same Sky

Buzzers & Audio Indicators - Board Mount buzzer, 12 mm round, 8.5 mm deep, M, 2048 Hz, 1.5 V, through hole, no driving circuit

Learn More

Datasheet

201In Stock

$0.95

$0.714

$0.642

$0.594

View

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Board Mount Buzzers

CEM-1201S
Same Sky
1: $1.20
964In Stock
2,000On Order

Mfr. Part No.
CEM-1201S

Mouser Part No
490-CEM-1201S

Same Sky

Buzzers & Audio Indicators - Board Mount Buzzers

Learn More

Datasheet

964In Stock

2,000On Order

$1.20

$0.909

$0.819

$0.669

View

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Board Mount Buzzers

CEM-1206S
Same Sky
1: $1.12
1,982In Stock
6,500Expected 18/09/2026

Mfr. Part No.
CEM-1206S

Mouser Part No
490-CEM-1206S

Same Sky

Buzzers & Audio Indicators - Board Mount Buzzers

Learn More

Datasheet

1,982In Stock

6,500Expected 18/09/2026

$1.12

$0.844

$0.758

$0.691

View

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Board Mount Buzzers

CEM-1212S
Same Sky
1: $1.12
1,029In Stock
5,000Expected 18/09/2026

Mfr. Part No.
CEM-1212S

Mouser Part No
490-CEM-1212S

Same Sky

Buzzers & Audio Indicators - Board Mount Buzzers

Learn More

Datasheet

1,029In Stock

5,000Expected 18/09/2026

$1.12

$0.844

$0.758

$0.701

View

Min.: 1
Mult.: 1

CMT Magnetic Buzzer Transducers

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CMT Magnetic Buzzer Transducers

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