Buzzers & Audio Indicators - Board Mount

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MSR205 Piezoelectric Indicators

Mallory Sonalert MSR Series is a Piezoelectric Indicator, with DC voltage, housed in a ø23mm x 11mm blue round housing with PC Pins. Features include loud continuous or pulse sound levels ranging from 75dBa to 96dBa and a 3.4kHz to 3.9kHz frequency range with gullwing lead or solder pin terminations. Options include board mount or flush mount and sealed (wash label included) versions are also available.

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Results: 15

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Part #

Buzzers & Audio Indicators - Board Mount Low Voltage

MSR205NR
Mallory Sonalert
1: $15.12
2,041In Stock

Mfr. Part #
MSR205NR

Mouser Part #
539-MSR205NR

Mallory Sonalert

Buzzers & Audio Indicators - Board Mount Low Voltage

Learn More

Datasheet

2,041In Stock

$15.12

$12.27

$10.99

$10.15

View

Min.: 1
Mult.: 1

Indicators

Piezoelectric

85 dBA

Continuous

3.9 kHz

3 VDC

10 mA

Solder Pin

Through Hole

23 mm

23 mm x 23 mm x 11 mm

Buzzers & Audio Indicators - Board Mount FAST PULSE, 5-16VDC XLOUD, SEALED

MSR516NPSR
Mallory Sonalert
1: $15.16
2In Stock

Mfr. Part #
MSR516NPSR

Mouser Part #
539-MSR516NPSR

Mallory Sonalert

Buzzers & Audio Indicators - Board Mount FAST PULSE, 5-16VDC XLOUD, SEALED

Learn More

Datasheet

2In Stock

$15.16

$13.88

$12.90

$12.38

View

Min.: 1
Mult.: 1

Indicators

Piezoelectric

86 dBA

Pulse

3.9 kHz

16 VDC

12 mA

Solder Pin

Through Hole

23 mm

23 mm x 23 mm x 11 mm

Buzzers & Audio Indicators - Board Mount Low Voltage

MSR205NJSR
Mallory Sonalert
1: $18.45
32In Stock

Mfr. Part #
MSR205NJSR

Mouser Part #
539-MSR205NJSR

Mallory Sonalert

Buzzers & Audio Indicators - Board Mount Low Voltage

Learn More

Datasheet

32In Stock

$18.45

$14.50

$13.18

$12.02

View

Min.: 1
Mult.: 1

Indicators

Piezoelectric

85 dBA

Pulse

3.9 kHz

3 VDC

10 mA

Solder Pin

Through Hole

23 mm

23 mm x 23 mm x 11 mm

Buzzers & Audio Indicators - Board Mount CONSTANT, 5-16VDC XLOUD, 23X10MM

MSR516NR
Mallory Sonalert
1: $11.76
8,489In Stock
1,250Expected 2026-06-19

Mfr. Part #
MSR516NR

Mouser Part #
539-MSR516NR

Mallory Sonalert

Buzzers & Audio Indicators - Board Mount CONSTANT, 5-16VDC XLOUD, 23X10MM

Learn More

Datasheet

8,489In Stock

1,250Expected 2026-06-19

$11.76

$10.44

$9.23

$8.54

View

Min.: 1
Mult.: 1

Indicators

Piezoelectric

96 dBA

Continuous

3.9 kHz

16 VDC

14 mA

Solder Pin

Through Hole

23 mm

23 mm x 23 mm x 11 mm

Buzzers & Audio Indicators - Board Mount CONSTANT, 3-20VDC MEDIUM, 23X10MM

MSR320R
Mallory Sonalert
1: $12.28
631In Stock
1,315On Order

Mfr. Part #
MSR320R

Mouser Part #
539-MSR320R

Mallory Sonalert

Buzzers & Audio Indicators - Board Mount CONSTANT, 3-20VDC MEDIUM, 23X10MM

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Datasheet

631In Stock

1,315On Order

$12.28

$9.92

$8.97

$8.34

View

Min.: 1
Mult.: 1

Indicators

Piezoelectric

75 dBA

Continuous

3.8 kHz

20 VDC

16 mA

Solder Pin

Through Hole

23 mm

23 mm x 23 mm x 11 mm

Buzzers & Audio Indicators - Board Mount CONSTANT, 5-16VDC LOUD, SEALED, PINS

MSR516NSR
Mallory Sonalert
1: $13.65
635In Stock

Mfr. Part #
MSR516NSR

Mouser Part #
539-MSR516NSR

Mallory Sonalert

Buzzers & Audio Indicators - Board Mount CONSTANT, 5-16VDC LOUD, SEALED, PINS

Learn More

Datasheet

635In Stock

$13.65

$10.93

$9.89

$9.19

View

Min.: 1
Mult.: 1

Indicators

Piezoelectric

96 dBA

Continuous

3.9 kHz

16 VDC

14 mA

Solder Pin

Through Hole

23 mm

23 mm x 23 mm x 11 mm

Buzzers & Audio Indicators - Board Mount CONSTANT, 4-10VDC LOUD, 23X10MM, PINS

MSR414NR
Mallory Sonalert
1: $13.87
45In Stock

Mfr. Part #
MSR414NR

Mouser Part #
539-MSR414NR

Mallory Sonalert

Buzzers & Audio Indicators - Board Mount CONSTANT, 4-10VDC LOUD, 23X10MM, PINS

Learn More

Datasheet

45In Stock

$13.87

$10.79

$10.01

$9.12

View

Min.: 1
Mult.: 1

Indicators

Piezoelectric

86 dBA

Continuous

3.9 kHz

10 VDC

12 mA

Solder Pin

Through Hole

23 mm

23 mm x 23 mm x 11 mm

Buzzers & Audio Indicators - Board Mount SLOW PULSE, 5-16VDC LOUD, 23X10MM, PINS

MSR516NJR
Mallory Sonalert
1: $13.94
88In Stock
190Expected 2026-07-03

Mfr. Part #
MSR516NJR

Mouser Part #
539-MSR516NJR

Mallory Sonalert

Buzzers & Audio Indicators - Board Mount SLOW PULSE, 5-16VDC LOUD, 23X10MM, PINS

Learn More

Datasheet

88In Stock

190Expected 2026-07-03

$13.94

$11.53

$10.38

$9.66

View

Min.: 1
Mult.: 1

Indicators

Piezoelectric

96 dBA

Pulse

3.9 kHz

16 VDC

12 mA

Solder Pin

Through Hole

23 mm

23 mm x 23 mm x 11 mm

Buzzers & Audio Indicators - Board Mount CONSTANT, 3-20VDC SEALED, 23X10MM

MSR320SR
Mallory Sonalert
1: $12.70
163In Stock
178Expected 2026-06-22

Mfr. Part #
MSR320SR

Mouser Part #
539-MSR320SR

Mallory Sonalert

Buzzers & Audio Indicators - Board Mount CONSTANT, 3-20VDC SEALED, 23X10MM

Learn More

Datasheet

163In Stock

178Expected 2026-06-22

$12.70

$9.94

$8.99

$8.34

View

Min.: 1
Mult.: 1

Indicators

Piezoelectric

86 dBA

Continuous

3.8 kHz

20 VDC

16 mA

Solder Pin

Through Hole

23 mm

23 mm x 23 mm x 11 mm

Buzzers & Audio Indicators - Board Mount Low Voltage

MSR205NJR
Mallory Sonalert
1: $17.61
Lead-Time 4 Weeks

Mfr. Part #
MSR205NJR

Mouser Part #
539-MSR205NJR

Mallory Sonalert

Buzzers & Audio Indicators - Board Mount Low Voltage

Learn More

Datasheet

Lead-Time 4 Weeks

$17.61

$13.72

$12.47

$11.61

View

Min.: 1
Mult.: 1

Indicators

Piezoelectric

85 dBA

Pulse

3.9 kHz

3 VDC

10 mA

Solder Pin

Through Hole

23 mm

23 mm x 23 mm x 11 mm

Buzzers & Audio Indicators - Board Mount Low Voltage

MSR205NPR
Mallory Sonalert
1: $17.64
Lead-Time 4 Weeks

Mfr. Part #
MSR205NPR

Mouser Part #
539-MSR205NPR

Mallory Sonalert

Buzzers & Audio Indicators - Board Mount Low Voltage

Learn More

Datasheet

Lead-Time 4 Weeks

$17.64

$14.23

$12.89

$11.97

View

Min.: 1
Mult.: 1

Buzzers

85 dBA

Pulse

3.9 kHz

3 V

10 mA

Solder Pin

Board Mount

23 mm

23 mm L x 23 mm W x 11 mm H

Buzzers & Audio Indicators - Board Mount Low Voltage

MSR205NPSR
Mallory Sonalert
1: $18.24
Non-Stocked Lead-Time 4 Weeks

Mfr. Part #
MSR205NPSR

Mouser Part #
539-MSR205NPSR

Mallory Sonalert

Buzzers & Audio Indicators - Board Mount Low Voltage

Learn More

Datasheet

Non-Stocked Lead-Time 4 Weeks

$18.24

$17.16

$16.14

$15.39

View

Min.: 1
Mult.: 1

Buzzers

85 dBA

Pulse

3.9 kHz

3 V

10 mA

Solder Pin

Board Mount

23 mm

23 mm L x 23 mm W x 11 mm H

Buzzers & Audio Indicators - Board Mount Low Voltage

MSR205NSR
Mallory Sonalert
1: $17.87
Non-Stocked Lead-Time 4 Weeks

Mfr. Part #
MSR205NSR

Mouser Part #
539-MSR205NSR

Mallory Sonalert

Buzzers & Audio Indicators - Board Mount Low Voltage

Learn More

Datasheet

Non-Stocked Lead-Time 4 Weeks

$17.87

$13.75

$12.46

$11.58

View

Min.: 1
Mult.: 1

Indicators

Piezoelectric

85 dBA

Continuous

3.9 kHz

3 VDC

10 mA

Solder Pin

Through Hole

23 mm

23 mm x 23 mm x 11 mm

Buzzers & Audio Indicators - Board Mount SLOW PULSE, 5-16VDC XLOUD, SEALED

MSR516NJSR
Mallory Sonalert
1: $14.80
Non-Stocked Lead-Time 4 Weeks

Mfr. Part #
MSR516NJSR

Mouser Part #
539-MSR516NJSR

Mallory Sonalert

Buzzers & Audio Indicators - Board Mount SLOW PULSE, 5-16VDC XLOUD, SEALED

Learn More

Datasheet

Non-Stocked Lead-Time 4 Weeks

$14.80

$13.90

$12.93

$12.43

View

Min.: 1
Mult.: 1

Buzzers

90 dBA

Pulse

16 V

12 mA

Gullwing Lead

23 mm

23 mm L x 23 mm W x 11 mm H

Buzzers & Audio Indicators - Board Mount FAST PULSE, 5-16VDC LOUD, 23X10MM, PINS

MSR516NPR
Mallory Sonalert
1: $14.41
Non-Stocked Lead-Time 4 Weeks

Mfr. Part #
MSR516NPR

Mouser Part #
539-MSR516NPR

Mallory Sonalert

Buzzers & Audio Indicators - Board Mount FAST PULSE, 5-16VDC LOUD, 23X10MM, PINS

Learn More

Datasheet

Non-Stocked Lead-Time 4 Weeks

$14.41

$12.60

$11.42

$11.25

View

Min.: 1
Mult.: 1

Buzzers

96 dBA

Pulse

3.7 kHz

16 V

12 mA

Solder Pin

Flush Mount

23 mm

23 mm L x 23 mm W x 11 mm H

MSR205 Piezoelectric Indicators

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