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Alarms, Buzzers, and Sirens

Alarms, Buzzers, and Sirens provide audible alerts in electronic systems. Key specifications include Frequency, Current, and Ingress Protection ratings. These components are essential for new product design and prototyping.

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40 manufacturers
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What are Alarms, Buzzers, and Sirens ?

Alarms, Buzzers, and Sirens are electromechanical devices designed to produce sound for alerting or signaling purposes. They are commonly used in applications such as safety systems, alarms, and notification systems. Important specifications for selection include Frequency, which determines the pitch of the sound; Current, which affects power consumption; and Ingress Protection, which indicates the device's resistance to environmental factors. Ensuring compatibility with existing systems and validating lifecycle status are crucial for effective procurement.

Parts in this category

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Part & Mfr Total Stock Pricing & RFQ Approval Agency Built-in Drive Circuit Capacitance Carton Quantity Coil Resistance Current Current Consumption Diameter Driver Circuitry Duration Electrostatic Capacity External Drive Circuit Needed Frequency Hand Soldering Condition Hand Soldering Temperature Height Housing Material Industrial Grade Ingress Protection Input Type Lead Spacing Lead Style Length Material Maximum Input Voltage Mounting Type Operating Frequency Operating Mode Operating Temperature Operating Temperature Range Operating Voltage Operating Voltage Range Package Type Packaging Type Port Location Rated Frequency Rated Voltage Ratings Reel Quantity Reflow Soldering Temperature Resonant Frequency Resonant Frequency (Nominal) SVHC Present Size Soldering Temperature (Hand) Sound Level Category Sound Pressure Level Sound Pressure Level (SPL) Standard Package Quantity Storage Temperature Storage Temperature Range Tape & Reel Technology Terminal Finish Terminal Material Termination Termination Style Tone/Pulse Rate Voltage Voltage Range Washable Weight Weight (Typical) Width spl (Minimum @ 7.5 Vdc @ 2 Feet) spl (Typical)
CPE-270
CPE-270
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 - - - - - 5mA - - Indicator, Internally Driven - - - 3.5kHz - - 0.591" (15.00mm) - - - DC - - - - - Panel Mount, Flange - Single Tone -30°C ~ 85°C - - - - - Top - - - - - - - - 1.327" Dia (33.70mm) - - - 86dB @ 12V, 30cm - - - - Piezo - - Wire Leads - - 12 V 3 ~ 28V - - - - - -
AI-4228-TF-LW140-7-R
AI-4228-TF-LW140-7-R
PUI Audio, Inc.
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 - - - - - 12mA - - Indicator, Internally Driven - - - 2.8kHz - - 0.650" (16.50mm) - - - DC - - - - - Panel Mount, Flange - Single Tone -20°C ~ 70°C - - - - - Top - - - - - - - - 1.350" Dia (34.30mm) - - - 100dB @ 12V, 30cm - - - - Piezo - - Wire Leads - - 12 V 3 ~ 20V - - - - - -
CSS-H5B43-SMT-TR
CSS-H5B43-SMT-TR
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 - - - - - 60mA - - Transducer, Externally Driven - - - 2.73kHz - - 0.138" (3.50mm) - - - Zero-Peak Signal - - - - - Surface Mount - Single Tone -30°C ~ 85°C - - - - - Top - - - - - - - - 0.551" L x 0.433" W (14.00mm x 11.00mm) - - - 91dB @ 5V, 10cm - - - - Magnetic - - Solder Pads - - 5 V 4 ~ 6V - - - - - -
CPE-203
CPE-203
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 - - - - - 9mA - - Indicator, Internally Driven - - - 3.4kHz - - 0.650" (16.50mm) - - - DC - - - - - Through Hole - Single Tone -30°C ~ 85°C - - - - - Top - - - - - - - - 0.965" Dia (24.50mm) - - - 86dB @ 12V, 30cm - - - - Piezo - - PC Pins - - 12 V 3 ~ 20V - - - - - -
CPS-4013-110T
CPS-4013-110T
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 - - - - - 50mA - - Transducer, Externally Driven - - - 3.2kHz - - 0.516" (13.10mm) - - - DC - - - - - Through Hole - Single Tone -20°C ~ 60°C - - - - - Top - - - - - - - - 1.575" Dia (40.00mm) - - - 115dB @ 9V, 30cm - - - - Piezo - - PC Pins - - 9 V 6 ~ 12V - - - - - -
IP233512-1
IP233512-1
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 - - - - - 10mA - - Indicator, Internally Driven - - - 3.5kHz - - 0.398" (10.10mm) - - - DC - - - - - Through Hole - Single Tone -20°C ~ 70°C - - - - - Top - - - - - - - - 0.906" Dia (23.00mm) - - - 95dB @ 12V, 10cm - - - - Piezo - - PC Pins - - 12 V - - - - - - -
AI-3245-TF-LW95-R
AI-3245-TF-LW95-R
PUI Audio, Inc.
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 - - - - - 5mA - - Indicator, Internally Driven - - - 4.5kHz - - 0.425" (10.80mm) - - - DC - - - - - Panel Mount, Flange - Single Tone -20°C ~ 60°C - - - - - Top - - - - - - - - 0.866" Dia (22.00mm) - - - 90dB @ 12V, 10cm - - - - Piezo - - Wire Leads - - 12 V 3 ~ 28V - - - - - -
IP224512-1
IP224512-1
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 - - - - - 3mA - - Indicator, Internally Driven - - - 4.5kHz - - 0.425" (10.80mm) - - - DC - - - - - Panel Mount, Flange - Single Tone -20°C ~ 60°C - - - - - Top - - - - - - - - 0.866" Dia (22.00mm) - - - 95dB @ 12V, 10cm - - - - Piezo - - Wire Leads - - 12 V 3 ~ 30V - - - - - -
CPT-1495CI-300
CPT-1495CI-300
Download Datasheet for CPT-1495CI-300
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 - - - - - 12mA - - Transducer, Externally Driven - - - 4.25kHz - - 0.413" (10.50mm) - - IP67 - Dust Tight, Waterproof Peak-Peak Signal - - - - - Through Hole - Single Tone -30°C ~ 85°C - - - - - Top - - - - - - - - 0.551" Dia (14.00mm) - - - 84dB @ 10V, 10cm - - - - Piezo - - PC Pins - - 10 V 30V (Max) - - - - - -
PT-3529WQ
PT-3529WQ
Mallory Sonalert Products
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 - - - - - 5mA - - Transducer, Externally Driven - - - 2.9kHz - - 0.638" (16.20mm) - - - Peak-Peak Signal - - - - - Panel Mount, Flange - Single Tone -20°C ~ 70°C - - - - - Top - - - - - - - - 1.654" Dia (42.00mm) - - - 95dB @ 5V, 10cm - - - - Piezo - - Wire Leads - - 5 V 3 ~ 30V - - - - - -
SMT-1324-TW-1V-R
SMT-1324-TW-1V-R
PUI Audio, Inc.
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 - - - - - 30mA - - Transducer, Externally Driven - - - 2.4kHz - - 0.283" (7.20mm) - - - Zero-Peak Signal - - - - - Surface Mount - Single Tone -20°C ~ 85°C - - - - - Top - - Washable - - - - - 0.492" L x 0.492" W (12.50mm x 12.50mm) - - - 80dB @ 1.5V, 10cm - - - - Electromechanical/Magnetic - - Solder Pads - - 1.5 V 1 ~ 3V - - - - - -
AI-1622-TWT-12V-R
AI-1622-TWT-12V-R
PUI Audio, Inc.
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 - - - - - 30mA - - Indicator, Internally Driven - - - 2.2kHz - - 0.559" (14.20mm) - - - DC - - - - - Through Hole - Single Tone -20°C ~ 70°C - - - - - Top - - Washable - - - - - 0.630" Dia (16.00mm) - - - 85dB @ 12V, 10cm - - - - Electromechanical/Magnetic - - PC Pins - - 12 V 8 ~ 15V - - - - - -
SDC1610M5-01
SDC1610M5-01
TDK Corporation
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 - - - - - 30mA - - Indicator, Internally Driven - - - 2.4kHz - - 0.394" (10.00mm) - - - DC - - - - - Through Hole - Single Tone -10°C ~ 70°C - - - - - Top - - - - - - - - 0.630" Dia (16.00mm) - - - 85dB @ 5V, 10cm - - - - Magnetic - - PC Pins - - 5 V 4 ~ 8V - - - - - -
AI-4228-TF-LW140-4-R
AI-4228-TF-LW140-4-R
PUI Audio, Inc.
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 - - - - - 7mA - - Indicator, Internally Driven - - - 2.8kHz - - 0.650" (16.50mm) - - - DC - - - - - Panel Mount, Flange - Single Tone -20°C ~ 60°C - - - - - Top - - - - - - - - 1.646" Dia (41.80mm) - - - 95dB @ 12V, 10cm - - - - Piezo - - Wire Leads - - 12 V 3 ~ 18V - - - - - -
SMT-1341-T-2-R
SMT-1341-T-2-R
PUI Audio, Inc.
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 - - - - - 5mA - - Transducer, Externally Driven - - - 4.1kHz - - 0.106" (2.70mm) - - - Peak-Peak Signal - - - - - Surface Mount - Single Tone -40°C ~ 105°C - - - - - Top - - - - - - - - 0.512" L x 0.512" W (13.00mm x 13.00mm) - - - 75dB @ 5V, 10cm - - - - Piezo - - Solder Pads - - 5 V 1 ~ 25V - - - - - -
IP303012-1
IP303012-1
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DB Unlimited
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 - - - - - 10mA - - Indicator, Internally Driven - - - 3kHz - - 0.579" (14.70mm) - - - DC - - - - - Through Hole - Single Tone -20°C ~ 60°C - - - - - Top - - - - - - - - 1.189" Dia (30.20mm) - - - 100dB @ 12V, 10cm - - - - Piezo - - PC Pins - - 12 V 3 ~ 20V - - - - - -
CPT-3011C-120
CPT-3011C-120
Download Datasheet for CPT-3011C-120
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 - - - - - 35mA - - Transducer, Externally Driven - - - 3kHz - - 0.486" (12.35mm) - - - DC - - - - - Through Hole - Single Tone -30°C ~ 85°C - - - - - Top - - - - - - - - 1.205" Dia (30.60mm) - - - 85dB @ 12V, 300cm - - - - Piezo - - PC Pins - - 12 V 6 ~ 16V - - - - - -
SDC1614L5-01
SDC1614L5-01
TDK Corporation
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 - - - - - 30mA - - Indicator, Internally Driven - - - 1.9kHz - - 0.551" (14.00mm) - - - DC - - - - - Through Hole - Single Tone -10°C ~ 70°C - - - - - Top - - - - - - - - 0.630" Dia (16.00mm) - - - 85dB @ 5V, 10cm - - - - Magnetic - - PC Pins - - 5 V 4 ~ 8V - - - - - -
PB-09N23P-03Q
PB-09N23P-03Q
Mallory Sonalert Products
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 - - - - - 30mA - - Indicator, Internally Driven - - - 2.7kHz - - 0.224" (5.70mm) - - - DC - - - - - Through Hole - Single Tone -20°C ~ 70°C - - - - - Top - - - - - - - - 0.354" Dia (9.00mm) - - - 82dB @ 3V, 10cm - - - - Magnetic - - PC Pins - - 3 V 2 ~ 4V - - - - - -
CEP-2250
CEP-2250
Download Datasheet for CEP-2250
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 - - - - - 6mA - - Indicator, Internally Driven - - - 3.5kHz - - 1.020" (25.90mm) - - - DC - - - - - Panel Mount, Flange - Single Tone -30°C ~ 85°C - - - - - Top - - - - - - - - 1.102" Dia (28.00mm) - - - 85dB @ 12V, 30cm - - - - Piezo - - Wire Leads - - 12 V 3 ~ 28V - - - - - -
ASI401Q
ASI401Q
Download Datasheet for ASI401Q
Mallory Sonalert Products
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 - - - - - 50mA - - Indicator, Internally Driven - - - 2.4kHz - - 0.402" (10.20mm) - - - DC - - - - - Surface Mount - Single Tone -20°C ~ 70°C - - - - - Top - - Washable - - - - - 0.496" L x 0.496" W (12.60mm x 12.60mm) - - - 90dB @ 12V, 10cm - - - - Magnetic - - Solder Pads - - 12 V 9 ~ 15V - - - - - -
AI-2429-TWT-12V-3-R
AI-2429-TWT-12V-3-R
PUI Audio, Inc.
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 - - - - - 8mA - - Indicator, Internally Driven - - - 2.9kHz - - 0.650" (16.50mm) - - - DC - - - - - Through Hole - Single Tone -20°C ~ 70°C - - - - - Top - - Washable - - - - - 0.937" Dia (23.80mm) - - - 95dB @ 12V, 10cm - - - - Piezo - - PC Pins - - 12 V 3 ~ 20V - - - - - -
CPT-1495C-300
CPT-1495C-300
Download Datasheet for CPT-1495C-300
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 - - - - - 12mA - - Transducer, Externally Driven - - - 4.25kHz - - 0.413" (10.50mm) - - IP67 - Dust Tight, Waterproof Peak-Peak Signal - - - - - Custom - Single Tone -30°C ~ 85°C - - - - - Top - - - - - - - - 0.551" Dia (14.00mm) - - - 84dB @ 10V, 10cm - - - - Piezo - - Wire Leads - - 10 V 30V (Max) - - - - - -
WT-0905P
WT-0905P
Soberton Inc.
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 - - - - - 80mA - - Indicator, Internally Driven - - - 2.73kHz - - 0.236" (6.00mm) - - - Zero-Peak Signal - - - - - Through Hole - Single Tone -30°C ~ 70°C - - - - - Top - - Washable - - - - - 0.354" Dia (9.00mm) - - - 85dB @ 5V, 10cm - - - - Magnetic - - PC Pins - - 5 V 4 ~ 6V - - - - - -
SMI-1324-TW-12V-R-T/R
SMI-1324-TW-12V-R-T/R
PUI Audio, Inc.
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 - - - - - 30mA - - Indicator, Internally Driven - - - 2.4kHz - - 0.283" (7.20mm) - - - DC - - - - - Surface Mount - Single Tone -20°C ~ 70°C - - - - - Top - - - - - - - - 0.492" L x 0.492" W (12.50mm x 12.50mm) - - - 85dB @ 12V, 10cm - - - - Electromechanical/Magnetic - - Solder Pads - - 12 V 8 ~ 15V - - - - - -
CS-3612
CS-3612
Download Datasheet for CS-3612
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 - - - - - 30mA - - Indicator, Internally Driven - - - - - - 0.630" (16.00mm) - - - DC - - - - - Panel Mount, Flange - Single Tone -20°C ~ 60°C - - - - - Top - - - - - - - - 1.260" L x 0.669" W (32.00mm x 17.00mm) - - - 79dB @ 12V, 30cm - - - - Magnetic - - Wire Leads - - 12 V 8 ~ 16V - - - - - -
CS-3624
CS-3624
Download Datasheet for CS-3624
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 - - - - - 24mA - - Indicator, Internally Driven - - - - - - 0.630" (16.00mm) - - - DC - - - - - Panel Mount, Flange - Single Tone -20°C ~ 60°C - - - - - Top - - - - - - - - 1.260" L x 0.669" W (32.00mm x 17.00mm) - - - 76dB @ 24V, 30cm - - - - Magnetic - - Wire Leads - - 24 V 20 ~ 28V - - - - - -
CS-3603
CS-3603
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 - - - - - 50mA - - Indicator, Internally Driven - - - - - - 0.630" (16.00mm) - - - DC - - - - - Panel Mount, Flange - Single Tone -20°C ~ 60°C - - - - - Top - - - - - - - - 1.260" L x 0.669" W (32.00mm x 17.00mm) - - - 75dB @ 3V, 30cm - - - - Magnetic - - Wire Leads - - 3 V 2 ~ 4V - - - - - -
CSS-0578-SMT-TR
CSS-0578-SMT-TR
Download Datasheet for CSS-0578-SMT-TR
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 - - - - - 95mA - - Transducer, Externally Driven - - - 4kHz - - 0.138" (3.50mm) - - - Zero-Peak Signal - - - - - Surface Mount - Single Tone -30°C ~ 70°C - - - - - Top - - - - - - - - 0.197" L x 0.197" W (5.00mm x 5.00mm) - - - 78dB @ 3V, 10cm - - - - Magnetic - - Solder Pads - - 3 V 2 ~ 4V - - - - - -
AT-3425-TWT-R
AT-3425-TWT-R
PUI Audio, Inc.
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 - - - - - 7mA - - Transducer, Externally Driven - - - 2.5kHz - - 0.606" (15.40mm) - - - Peak-Peak Signal - - - - - Through Hole - Single Tone -30°C ~ 85°C - - - - - Top - - Washable - - - - - 1.323" Dia (33.60mm) - - - 85dB @ 12V, 10cm - - - - Piezo (with Feedback) - - PC Pins - - 12 V 3 ~ 28V - - - - - -
PK-12N40PQ
PK-12N40PQ
Download Datasheet for PK-12N40PQ
Mallory Sonalert Products
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 - - - - - 5mA - - Indicator, Internally Driven - - - 4.1kHz - - 0.323" (8.20mm) - - - DC - - - - - Through Hole - Single Tone -20°C ~ 90°C - - - - - Top - - - - - - - - 0.551" Dia (14.00mm) - - - 83dB @ 12V, 10cm - - - - Piezo - - PC Pins - - 12 V 3 ~ 15V - - - - - -
PT-2735FPLQ
PT-2735FPLQ
Mallory Sonalert Products
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 - - - - - 10mA - - Transducer, Externally Driven - - - 3.5kHz - - 0.362" (9.20mm) - - - DC - - - - - Through Hole - Single Tone -20°C ~ 90°C - - - - - Top - - - - - - - - 1.181" Dia (30.00mm) - - - 88dB @ 12V, 30cm - - - - Piezo (with Feedback) - - PC Pins - - 12 V 3 ~ 28V - - - - - -
PK-21N30WQ
PK-21N30WQ
Download Datasheet for PK-21N30WQ
Mallory Sonalert Products
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 - - - - - 12mA - - Indicator, Internally Driven - - - 3kHz - - 0.382" (9.70mm) - - - DC - - - - - Panel Mount, Flange - Single Tone -20°C ~ 70°C - - - - - Top - - - - - - - - 0.945" Dia (24.00mm) - - - 80dB @ 12V, 30cm - - - - Piezo - - Wire Leads - - 12 V 1.5 ~ 30V - - - - - -
CEP-4411AC
CEP-4411AC
Download Datasheet for CEP-4411AC
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 - - - - - 7mA - - Indicator, Internally Driven - - - 2.8kHz - - 0.886" (22.50mm) - - - AC, DC - - - - - Panel Mount, Flange - Single Tone -20°C ~ 60°C - - - - - Top - - - - - - - - 1.646" Dia (41.80mm) - - - 88dB @ 110V, 30cm - - - - Piezo - - Wire Leads - - 110 V 30 ~ 120V - - - - - -
AI-1223-TWT-5V-4-R
AI-1223-TWT-5V-4-R
PUI Audio, Inc.
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 - - - - - 30mA - - Indicator, Internally Driven - - - 2.3kHz - - 0.382" (9.70mm) - - - DC - - - - - Through Hole - Single Tone -20°C ~ 70°C - - - - - Top - - Washable - - - - - 0.472" Dia (12.00mm) - - - 85dB @ 5V, 10cm - - - - Electromechanical/Magnetic - - PC Pins - - 5 V 3 ~ 7V - - - - - -
IE330403-1
IE330403-1
Download Datasheet for IE330403-1
DB Unlimited
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 - - - - - 3mA - - Indicator, Internally Driven - - - 400Hz - - 0.610" (15.50mm) - - - DC - - - - - Panel Mount, Flange - Single Tone -10°C ~ 60°C - - - - - Top - - - - - - - - - - - - 70dB @ 3V, 10cm - - - - Electromechanical - - Wire Leads - - 3 V 2 ~ 4V - - - - - -
CPE-253
CPE-253
Download Datasheet for CPE-253
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 - - - - - 6mA - - Indicator, Internally Driven - - - 3.5kHz - - 1.020" (25.90mm) - - - DC - - - - - Panel Mount, Flange - Pulse, Slow -30°C ~ 85°C - - - - - Top - - - - - - - - 1.102" Dia (28.00mm) - - - 87dB @ 12V, 30cm - - - - Piezo - - Wire Leads - - 12 V 4 ~ 28V - - - - - -
PK-27N36PSQ
PK-27N36PSQ
Download Datasheet for PK-27N36PSQ
Mallory Sonalert Products
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 - - - - - 15mA - - Indicator, Internally Driven - - - 3.5kHz - - 0.402" (10.20mm) - - - DC - - - - - Through Hole - Single Tone -20°C ~ 70°C - - - - - Top - - - - - - - - 1.181" Dia (30.00mm) - - - 90dB @ 12V, 30cm - - - - Piezo - - PC Pins - - 12 V 3 ~ 28V - - - - - -
AT-4625-TT-HT-R
AT-4625-TT-HT-R
PUI Audio, Inc.
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 - - - - - 80mA - - Transducer, Externally Driven - - - 2.5kHz - - 0.555" (14.10mm) - - - Peak-Peak Signal - - - - - Through Hole - - -40°C ~ 105°C - - - - - Top - - - - - - - - 1.787" Dia (45.40mm) - - - 120dB @ 20V, 10cm - - - - Piezo - - PC Pins - - 20 V 3 ~ 30V - - - - - -
CPE-422AC
CPE-422AC
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CUI Devices
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 - - - - - 13mA - - Indicator, Internally Driven - - - 3kHz - - 0.886" (22.50mm) - - - AC, DC - - - - - Panel Mount, Flange - Single Tone -30°C ~ 85°C - - - - - Top - - - - - - - - 1.646" Dia (41.80mm) - - - 92dB @ 220V, 30cm - - - - Piezo - - Wire Leads - - 220 V 60 ~ 250V - - - - - -
CPI-3116-3-100T
CPI-3116-3-100T
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CUI Devices
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 - - - - - 30mA - - Indicator, Internally Driven - - - 3.2kHz - - 0.665" (16.90mm) - - - DC - - - - - Through Hole - Single Tone -35°C ~ 80°C - - - - - Top - - - - - - - - 1.220" Dia (31.00mm) - - - 97dB @ 3V, 30cm - - - - Piezo - - PC Pins - - 3 V 2.5 ~ 3.5V - - - - - -
PK-20A35EW-24VQ
PK-20A35EW-24VQ
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Mallory Sonalert Products
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 - - - - - 20mA - - Indicator, Internally Driven - - - 3.5kHz - - 0.992" (25.20mm) - - - DC - - - - - Panel Mount, Flange - Single Tone -20°C ~ 70°C - - - - - Top - - - - - - - - 1.102" Dia (28.00mm) - - - 95dB @ 24V, 30cm - - - - Piezo - - Wire Leads - - 24 V 12 ~ 28V - - - - - -
IP293224-1
IP293224-1
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DB Unlimited
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 - - - - - 30mA - - Indicator, Internally Driven - - - 3.2kHz - - 0.965" (24.50mm) - - - DC - - - - - Panel Mount, Flange - Dual Tone -40°C ~ 85°C - - - - - Top - - - - - - - - 1.161" Dia (29.50mm) - - - - - - - - Piezo - - Wire Leads - - 24 V 3 ~ 28V - - - - - -
CPE-4485
CPE-4485
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CUI Devices
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 - - - - - - - - Transducer, Externally Driven - - - 3.1kHz - - 0.555" (14.10mm) - - - Peak-Peak Signal - - - - - Through Hole - Single Tone -40°C ~ 105°C - - - - - Top - - - - - - - - 1.764" Dia (44.80mm) - - - 100dB @ 12V, 30cm - - - - Piezo - - PC Pins - - 12 V - - - - - - -
MCP320B2Q
MCP320B2Q
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Mallory Sonalert Products
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 - - - - - 20mA - - Indicator, Internally Driven - - - 2.5kHz - - 0.717" (18.20mm) - - - DC - - - - - Through Hole - Single Tone -20°C ~ 90°C - - - - - Top - - - - - - - - 0.921" Dia (23.40mm) - - - 95dB @ 12V, 30cm - - - - Piezo - - PC Pins - - 12 V 3 ~ 20V - - - - - -
PK-35N29W-24VQ
PK-35N29W-24VQ
Mallory Sonalert Products
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 - - - - - 12mA - - Indicator, Internally Driven - - - 2.9kHz - - 0.638" (16.20mm) - - - DC - - - - - Panel Mount, Flange - Single Tone -20°C ~ 70°C - - - - - Top - - - - - - - - 1.654" Dia (42.00mm) - - - 90dB @ 24V, 30cm - - - - Piezo - - Wire Leads - - 24 V 22 ~ 28V - - - - - -
AI-2304-TF-LW120-R
AI-2304-TF-LW120-R
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PUI Audio, Inc.
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 - - - - - 24mA - - Indicator, Internally Driven - - - 400Hz - - 0.632" (16.05mm) - - - DC - - - - - Panel Mount, Flange - Single Tone -20°C ~ 60°C - - - - - Top - - - - - - - - 1.260" L x 0.669" W (32.00mm x 17.00mm) - - - 86dB @ 24V, 10cm - - - - Electromechanical/Magnetic - - Wire Leads - - 24 V 20 ~ 28V - - - - - -
PK-20A25PQ
PK-20A25PQ
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Mallory Sonalert Products
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 - - - - - 25mA - - Indicator, Internally Driven - - - 2.5kHz - - 0.717" (18.20mm) - - - DC - - - - - Through Hole - Single Tone -20°C ~ 70°C - - - - - Top - - - - - - - - 0.906" Dia (23.00mm) - - - 95dB @ 12V, 30cm - - - - Piezo - - PC Pins - - 12 V 3 ~ 24V - - - - - -
PT-1540PQ
PT-1540PQ
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Mallory Sonalert Products
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 - - - - - 1.5mA - - Transducer, Externally Driven - - - 4kHz - - 0.370" (9.40mm) - - - Peak-Peak Signal - - - - - Through Hole - Single Tone -20°C ~ 100°C - - - - - Top - - - - - - - - 0.669" Dia (17.00mm) - - - 85dB @ 5V, 10cm - - - - Piezo - - PC Pins - - 5 V 1 ~ 25V - - - - - -
PB-12N23P-03Q
PB-12N23P-03Q
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Mallory Sonalert Products
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 - - - - - 30mA - - Indicator, Internally Driven - - - 2.3kHz - - 0.402" (10.20mm) - - - DC - - - - - Through Hole - Single Tone -20°C ~ 70°C - - - - - Top - - Washable - - - - - 0.472" Dia (12.00mm) - - - 85dB @ 3V, 10cm - - - - Magnetic - - PC Pins - - 3 V 2 ~ 5V - - - - - -
Showing 301-350 of 1,119 products

About Alarms, Buzzers, and Sirens

Alarms, buzzers, and sirens are essential components in electronic systems, providing auditory signals for alerts and notifications. This category encompasses a variety of electromechanical devices, including magnetic and piezo types, each suited for different operational requirements.

When sourcing alarms, buzzers, and sirens, it is crucial to consider important attributes such as approval agency certifications, current ratings, driver circuitry specifications, duration of sound output, and frequency characteristics. These factors play a significant role in ensuring compatibility with your existing designs and meeting regulatory standards.

Applications for these components range from new product design and prototyping to production electronics assembly and maintenance. They are vital in engineering evaluations and qualifications, as well as in procurement-driven multi-sourcing strategies.

Buyers should prioritize critical specifications during the selection process. Validate lifecycle status and explore alternate-source options to mitigate sourcing risks. Confirm mechanical and electrical compatibility with your design constraints, and utilize parametric filtering to streamline your search before considering brand preferences.

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DistyParts is a Marketplace for Distributors of electronic / electrical / electromechanical components and does not sell, stock or support buyers directly. All transactions through our site are managed directly by participating distributors.

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