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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (IDR) Filter the results in the table by unit price based on your quantity.	Qty.	Product	Type	Sound Pressure Level	Tone	Frequency	Voltage Rating	Current Rating	Termination Style	Mounting Style	Diameter	Dimensions
Buzzers & Audio Indicators - Board Mount Low Voltage MSR205NR Mallory Sonalert 1: Rp198.870,64 2.041In Stock	Mfr. Part No. MSR205NR Mouser Part No 539-MSR205NR	Mallory Sonalert	Buzzers & Audio Indicators - Board Mount Low Voltage Learn More about Mallory Sonalert msr indicators	Datasheet	2.041In Stock	Rp198.870,64 Rp149.703,36 Rp139.613,06 Rp132.825,04 View Rp124.936,26 Rp120.533,22 Rp113.011,36	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: Rp193.183,38 2In Stock	Mfr. Part No. MSR516NPSR Mouser Part No 539-MSR516NPSR	Mallory Sonalert	Buzzers & Audio Indicators - Board Mount FAST PULSE, 5-16VDC XLOUD, SEALED Learn More about Mallory Sonalert msr indicators	Datasheet	2In Stock	Rp193.183,38 Rp186.762,28 Rp172.819,32 Rp166.031,30 View Rp142.915,34 Rp125.303,18 Rp119.799,38	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: Rp235.012,26 15In Stock	Mfr. Part No. MSR205NJSR Mouser Part No 539-MSR205NJSR	Mallory Sonalert	Buzzers & Audio Indicators - Board Mount Low Voltage Learn More about Mallory Sonalert msr indicators	Datasheet	15In Stock	Rp235.012,26 Rp191.715,70 Rp169.883,96 Rp157.959,06 View Rp146.951,46 Rp133.742,34 Rp126.954,32	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: Rp169.333,58 2.789In Stock	Mfr. Part No. MSR516NR Mouser Part No 539-MSR516NR	Mallory Sonalert	Buzzers & Audio Indicators - Board Mount CONSTANT, 5-16VDC XLOUD, 23X10MM Learn More about Mallory Sonalert msr indicators	Datasheet	2.789In Stock	Rp169.333,58 Rp135.393,48 Rp122.367,82 Rp113.194,82 View Rp104.755,66 Rp95.399,20 Rp89.711,94 Rp87.877,34	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: Rp164.563,62 2.502In Stock	Mfr. Part No. MSR320R Mouser Part No 539-MSR320R	Mallory Sonalert	Buzzers & Audio Indicators - Board Mount CONSTANT, 3-20VDC MEDIUM, 23X10MM Learn More about Mallory Sonalert msr indicators	Datasheet	2.502In Stock	Rp164.563,62 Rp126.403,94 Rp114.295,58 Rp106.223,34 View Rp98.701,48 Rp89.711,94 Rp89.528,48 Rp87.877,34 Quote	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: Rp171.718,56 700In Stock	Mfr. Part No. MSR320SR Mouser Part No 539-MSR320SR	Mallory Sonalert	Buzzers & Audio Indicators - Board Mount CONSTANT, 3-20VDC SEALED, 23X10MM Learn More about Mallory Sonalert msr indicators	Datasheet	700In Stock	Rp171.718,56 Rp141.814,58 Rp128.422,00 Rp119.249,00 View Rp110.809,84 Rp100.903,00 Rp92.647,30	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 SLOW PULSE, 5-16VDC LOUD, 23X10MM, PINS MSR516NJR Mallory Sonalert 1: Rp192.633,00 389In Stock	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 about Mallory Sonalert msr indicators	Datasheet	389In Stock	Rp192.633,00 Rp151.354,50 Rp136.861,16 Rp127.137,78 View Rp115.763,26 Rp105.306,04 Rp98.151,10 Rp97.233,80	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 MSR205NPR Mallory Sonalert 1: Rp230.058,84 28In Stock	Mfr. Part No. MSR205NPR Mouser Part No 539-MSR205NPR	Mallory Sonalert	Buzzers & Audio Indicators - Board Mount Low Voltage Learn More about Mallory Sonalert msr indicators	Datasheet	28In Stock	Rp230.058,84 Rp181.258,48 Rp164.196,70 Rp152.455,26 View Rp141.814,58 Rp129.155,84 Rp122.000,90	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: Rp182.909,62 45In Stock	Mfr. Part No. MSR414NR Mouser Part No 539-MSR414NR	Mallory Sonalert	Buzzers & Audio Indicators - Board Mount CONSTANT, 4-10VDC LOUD, 23X10MM, PINS Learn More about Mallory Sonalert msr indicators	Datasheet	45In Stock	Rp182.909,62 Rp142.915,34 Rp131.907,74 Rp119.982,84 View Rp111.543,68 Rp101.453,38 Rp94.665,36 Rp93.197,68	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 CONSTANT, 5-16VDC LOUD, SEALED, PINS MSR516NSR Mallory Sonalert 1: Rp179.423,88 108In Stock 531On Order	Mfr. Part No. MSR516NSR Mouser Part No 539-MSR516NSR	Mallory Sonalert	Buzzers & Audio Indicators - Board Mount CONSTANT, 5-16VDC LOUD, SEALED, PINS Learn More about Mallory Sonalert msr indicators	Datasheet	108In Stock 531On Order On Order Ship Dates Mfr. No: MSR516NSR Stock: 108 Can Dispatch Immediately On Order: 76 Expected 06/11/2026 255 Expected 10/11/2026 200 Expected 20/11/2026 Factory Lead Time: 4 Weeks	Rp179.423,88 Rp139.246,14 Rp126.037,02 Rp117.047,48 View Rp108.791,78 Rp98.884,94 Rp90.629,24	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 MSR205NJR Mallory Sonalert 1: Rp230.058,84 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 about Mallory Sonalert msr indicators	Datasheet	Non-Stocked Lead-Time 4 Weeks	Rp230.058,84 Rp181.258,48 Rp164.196,70 Rp152.455,26 View Rp141.814,58 Rp129.155,84 Rp122.000,90	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 MSR205NPSR Mallory Sonalert 1: Rp251.707,12 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. MSR205NPSR Mouser Part No 539-MSR205NPSR	Mallory Sonalert	Buzzers & Audio Indicators - Board Mount Low Voltage Learn More about Mallory Sonalert msr indicators	Datasheet	Non-Stocked Lead-Time 4 Weeks	Rp251.707,12 Rp229.325,00 Rp212.997,06 Rp203.640,60 View Rp178.690,04 Rp156.307,92 Rp153.189,10	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: Rp227.673,86 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 about Mallory Sonalert msr indicators	Datasheet	Non-Stocked Lead-Time 4 Weeks	Rp227.673,86 Rp175.204,30 Rp158.692,90 Rp147.501,84 View Rp137.044,62 Rp124.936,26 Rp117.414,40	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: Rp202.172,92 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 about Mallory Sonalert msr indicators	Datasheet	Non-Stocked Lead-Time 4 Weeks	Rp202.172,92 Rp186.578,82 Rp173.002,78 Rp165.847,84 View Rp145.850,70 Rp123.468,58	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: Rp204.741,36 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 about Mallory Sonalert msr indicators	Datasheet	Non-Stocked Lead-Time 4 Weeks	Rp204.741,36 Rp181.625,40 Rp164.747,08 Rp155.574,08 View Rp142.548,42 Rp121.450,52 Rp118.515,16 Quote	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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