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: Rp198.871
2.041In Stock

Mfr. Part No.
MSR205NR

Mouser Part No
539-MSR205NR

Mallory Sonalert

Buzzers & Audio Indicators - Board Mount Low Voltage

Learn More

Datasheet

2.041In Stock

Rp198.871

Rp142.915

Rp134.843

Rp129.339

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: Rp193.183
2In Stock

Mfr. Part No.
MSR516NPSR

Mouser Part No
539-MSR516NPSR

Mallory Sonalert

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

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Datasheet

2In Stock

Rp193.183

Rp179.057

Rp166.398

Rp159.977

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

MSR205NPSR
Mallory Sonalert
1: Rp243.268
15In Stock

Mfr. Part No.
MSR205NPSR

Mouser Part No
539-MSR205NPSR

Mallory Sonalert

Buzzers & Audio Indicators - Board Mount Low Voltage

Learn More

Datasheet

15In Stock

Rp243.268

Rp237.764

Rp226.023

Rp217.033

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 CONSTANT, 5-16VDC XLOUD, 23X10MM

MSR516NR
Mallory Sonalert
1: Rp170.251
7.458In Stock

Mfr. Part No.
MSR516NR

Mouser Part No
539-MSR516NR

Mallory Sonalert

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

Learn More

Datasheet

7.458In Stock

Rp170.251

Rp135.393

Rp122.551

Rp113.745

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: Rp156.491
1.208In Stock

Mfr. Part No.
MSR320R

Mouser Part No
539-MSR320R

Mallory Sonalert

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

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Datasheet

1.208In Stock

Rp156.491

Rp126.404

Rp113.011

Rp105.856

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, 3-20VDC SEALED, 23X10MM

MSR320SR
Mallory Sonalert
1: Rp163.830
950In Stock

Mfr. Part No.
MSR320SR

Mouser Part No
539-MSR320SR

Mallory Sonalert

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

Learn More

Datasheet

950In Stock

Rp163.830

Rp130.073

Rp117.781

Rp109.342

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 CONSTANT, 5-16VDC LOUD, SEALED, PINS

MSR516NSR
Mallory Sonalert
1: Rp184.377
345In Stock

Mfr. Part No.
MSR516NSR

Mouser Part No
539-MSR516NSR

Mallory Sonalert

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

Learn More

Datasheet

345In Stock

Rp184.377

Rp151.721

Rp132.275

Rp122.735

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 Low Voltage

MSR205NPR
Mallory Sonalert
1: Rp230.059
14In Stock

Mfr. Part No.
MSR205NPR

Mouser Part No
539-MSR205NPR

Mallory Sonalert

Buzzers & Audio Indicators - Board Mount Low Voltage

Learn More

Datasheet

14In Stock

Rp230.059

Rp185.111

Rp164.197

Rp152.455

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 CONSTANT, 4-10VDC LOUD, 23X10MM, PINS

MSR414NR
Mallory Sonalert
1: Rp180.892
45In Stock

Mfr. Part No.
MSR414NR

Mouser Part No
539-MSR414NR

Mallory Sonalert

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

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Datasheet

45In Stock

Rp180.892

Rp139.980

Rp131.908

Rp119.983

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: Rp192.633
162In Stock
290Expected 25/09/2026

Mfr. Part No.
MSR516NJR

Mouser Part No
539-MSR516NJR

Mallory Sonalert

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

Learn More

Datasheet

162In Stock

290Expected 25/09/2026

Rp192.633

Rp188.230

Rp136.861

Rp127.138

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 Low Voltage

MSR205NJSR
Mallory Sonalert
1: Rp235.012
20Expected 15/09/2026

Mfr. Part No.
MSR205NJSR

Mouser Part No
539-MSR205NJSR

Mallory Sonalert

Buzzers & Audio Indicators - Board Mount Low Voltage

Learn More

Datasheet

20Expected 15/09/2026

Rp235.012

Rp191.716

Rp173.553

Rp157.959

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

MSR205NJR
Mallory Sonalert
1: Rp230.059
Non-Stocked Lead-Time 4 Weeks

Mfr. Part No.
MSR205NJR

Mouser Part No
539-MSR205NJR

Mallory Sonalert

Buzzers & Audio Indicators - Board Mount Low Voltage

Learn More

Datasheet

Non-Stocked Lead-Time 4 Weeks

Rp230.059

Rp181.258

Rp164.197

Rp152.455

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

MSR205NSR
Mallory Sonalert
1: Rp227.674
Non-Stocked Lead-Time 4 Weeks

Mfr. Part No.
MSR205NSR

Mouser Part No
539-MSR205NSR

Mallory Sonalert

Buzzers & Audio Indicators - Board Mount Low Voltage

Learn More

Datasheet

Non-Stocked Lead-Time 4 Weeks

Rp227.674

Rp175.204

Rp158.693

Rp147.502

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: Rp197.770
Non-Stocked Lead-Time 4 Weeks

Mfr. Part No.
MSR516NJSR

Mouser Part No
539-MSR516NJSR

Mallory Sonalert

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

Learn More

Datasheet

Non-Stocked Lead-Time 4 Weeks

Rp197.770

Rp184.928

Rp172.636

Rp166.215

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: Rp195.018
Non-Stocked Lead-Time 4 Weeks

Mfr. Part No.
MSR516NPR

Mouser Part No
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

Rp195.018

Rp181.625

Rp164.747

Rp155.574

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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