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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
21 distributors
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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.

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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)
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 - - - - - -
CEP-1123
CEP-1123
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 - - - - - 7mA - - Transducer, Externally Driven - - - 3.2kHz - - 0.431" (10.95mm) - - - DC - - - - - Through Hole - Single Tone -30°C ~ 85°C - - - - - Top - - - - - - - - 0.925" Dia (23.50mm) - - - 74dB @ 12V, 30cm - - - - Piezo (with Feedback) - - PC Pins - - 12 V 3 ~ 28V - - - - - -
AI-4230-S-C24-R
AI-4230-S-C24-R
PUI Audio, Inc.
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 - - - - - 15mA - - Indicator, Internally Driven - - - 2.9kHz - - 0.827" (21.00mm) - - - DC - - - - - Panel Mount - Single Tone -20°C ~ 60°C - - - - - Top - - - - - - - - 1.654" Dia (42.00mm) - - - 95dB @ 24V, 10cm - - - - Piezo - - Solder Tabs - - 24 V 1 ~ 28V - - - - - -
SMT-0824-TW-5V-R
SMT-0824-TW-5V-R
PUI Audio, Inc.
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 - - - - - 60mA - - Transducer, Externally Driven - - - 2.4kHz - - 0.236" (6.00mm) - - - Zero-Peak Signal - - - - - Surface Mount - Single Tone -40°C ~ 85°C - - - - - Top - - Washable - - - - - 0.335" L x 0.335" W (8.50mm x 8.50mm) - - - 80dB @ 5V, 10cm - - - - Electromechanical/Magnetic - - Solder Pads - - 5 V 3 ~ 8V - - - - - -
AST1575BMATRQ
AST1575BMATRQ
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Mallory Sonalert Products
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 - - - - - 5mA - - Transducer, Externally Driven - - - 3.65kHz - - 0.303" (7.70mm) - - - Peak-Peak Signal - - - - - Surface Mount - Single Tone -30°C ~ 85°C - - - - - Top - - - - - - - - 0.583" L x 0.583" W (14.80mm x 14.80mm) - - - 85dB @ 7V, 10cm - - - - Piezo - - Solder Pads - - 7 V 1 ~ 30V - - - - - -
PT-2060WQ
PT-2060WQ
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Mallory Sonalert Products
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 - - - - - 1.5mA - - Transducer, Externally Driven - - - 6kHz - - 0.205" (5.20mm) - - - Peak-Peak Signal - - - - - Panel Mount, Flange - Single Tone -20°C ~ 70°C - - - - - Top - - - - - - - - 0.945" Dia (24.00mm) - - - 90dB @ 5V, 10cm - - - - Piezo - - Wire Leads - - 5 V 1 ~ 30V - - - - - -
ST-04BH-P
ST-04BH-P
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Soberton Inc.
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 - - - - - 100mA - - Transducer, Externally Driven - - - 2.73kHz - - 0.177" (4.50mm) - - - Zero-Peak Signal - - - - - Surface Mount - Single Tone -30°C ~ 70°C - - - - - Side - - - - - - - - 0.335" L x 0.335" W (8.50mm x 8.50mm) - - - 88dB @ 3.6V, 10cm - - - - Magnetic - - Solder Pads - - 3.6 V 2.5 ~ 4.5V - - - - - -
SMT-1035-S-2-R
SMT-1035-S-2-R
PUI Audio, Inc.
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 - - - - - 100mA - - Transducer, Externally Driven - - - 3.5kHz - - 0.157" (4.00mm) - - - Zero-Peak Signal - - - - - Surface Mount - Single Tone -20°C ~ 70°C - - - - - Side - - - - - - - - 0.394" L x 0.394" W (10.00mm x 10.00mm) - - - 90dB @ 3.6V, 10cm - - - - Electromechanical/Magnetic - - Solder Pads - - 3.6 V 3 ~ 4.5V - - - - - -
AT-4228-TWT-F-R
AT-4228-TWT-F-R
PUI Audio, Inc.
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 - - - - - 7mA - - Transducer, Externally Driven - - - 2.8kHz - - 0.571" (14.50mm) - - - Peak-Peak Signal - - - - - Through Hole - Single Tone -30°C ~ 85°C - - - - - Top - - Washable - - - - - 1.654" Dia (42.00mm) - - - 92dB @ 12V, 10cm - - - - Piezo (with Feedback) - - PC Pins - - 12 V 3 ~ 28V - - - - - -
AT-2460-TF-LW100-R
AT-2460-TF-LW100-R
PUI Audio, Inc.
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 - - - - - 8mA - - Transducer, Externally Driven - - - 6kHz - - 0.177" (4.50mm) - - - Peak-Peak Signal - - - - - Panel Mount, Flange - Single Tone -30°C ~ 85°C - - - - - Top - - - - - - - - 0.945" Dia (24.00mm) - - - 88dB @ 10V, 10cm - - - - Piezo - - Wire Leads - - 10 V 1 ~ 30V - - - - - -
AT-1440-TT-R
AT-1440-TT-R
PUI Audio, Inc.
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 - - - - - 3mA - - Transducer, Externally Driven - - - 4kHz - - 0.280" (7.10mm) - - - Peak-Peak Signal - - - - - Through Hole - Single Tone -20°C ~ 60°C - - - - - Top - - - - - - - - 0.543" Dia (13.80mm) - - - 80dB @ 5V, 10cm - - - - Piezo - - PC Pins - - 5 V 1 ~ 20V - - - - - -
CMT-2412C-050
CMT-2412C-050
Download Datasheet for CMT-2412C-050
CUI Devices
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 - - - - - 80mA - - Transducer, Externally Driven - - - 800Hz - - 0.512" (13.00mm) - - - Zero-Peak Signal - - - - - Through Hole - Single Tone -30°C ~ 75°C - - - - - Top - - Washable - - - - - 0.965" Dia (24.50mm) - - - 85dB @ 5V, 10cm - - - - Magnetic - - PC Pins - - 5 V 4 ~ 6V - - - - - -
AT-1620-TWT-R
AT-1620-TWT-R
PUI Audio, Inc.
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 - - - - - 40mA - - Transducer, Externally Driven - - - 2.048kHz - - 0.571" (14.50mm) - - - Peak-Peak Signal - - - - - Through Hole - Single Tone -20°C ~ 70°C - - - - - Top - - Washable - - - - - 0.630" Dia (16.00mm) - - - 90dB @ 6V, 10cm - - - - Electromechanical/Magnetic - - PC Pins - - 6 V 4 ~ 8V - - - - - -
CPI-3020-90T
CPI-3020-90T
Download Datasheet for CPI-3020-90T
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 - - - - - 12mA - - Indicator, Internally Driven - - - 3.5kHz - - 0.827" (21.00mm) - - - DC - - - - - Through Hole - Single Tone -30°C ~ 70°C - - - - - Top - - - - - - - - 1.181" Dia (30.00mm) - - - 93dB @ 12V, 30cm - - - - Piezo - - PC Pins - - 12 V 3 ~ 24V - - - - - -
CPI-3213-90PM
CPI-3213-90PM
Download Datasheet for CPI-3213-90PM
CUI Devices
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 - - - - - 10mA - - Indicator, Internally Driven - - - 3.5kHz - - 0.551" (14.00mm) - - - DC - - - - - Panel Mount, Flange - Single Tone -20°C ~ 60°C - - - - - Top - - - - - - - - 1.260" Dia (32.00mm) - - - 90dB @ 12V, 30cm - - - - Piezo - - Wire Leads - - 12 V 3 ~ 28V - - - - - -
SMT-1427-S-3-R
SMT-1427-S-3-R
PUI Audio, Inc.
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 - - - - - 90mA - - Transducer, Externally Driven - - - 2.7kHz - - 0.138" (3.50mm) - - - Zero-Peak Signal - - - - - Surface Mount - Single Tone -40°C ~ 85°C - - - - - Side - - - - - - - - 0.433" L x 0.551" W (11.00mm x 14.00mm) - - - 87dB @ 3V, 10cm - - - - Electromechanical/Magnetic - - Solder Pads - - 3 V 3 ~ 4.5V - - - - - -
PT-2130PSQ
PT-2130PSQ
Download Datasheet for PT-2130PSQ
Mallory Sonalert Products
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 - - - - - 5mA - - Transducer, Externally Driven - - - 3kHz - - 0.382" (9.70mm) - - - Peak-Peak Signal - - - - - Through Hole - Single Tone -20°C ~ 90°C - - - - - Top - - - - - - - - 0.945" Dia (24.00mm) - - - 90dB @ 5V, 10cm - - - - Piezo - - PC Pins - - 5 V 3 ~ 30V - - - - - -
PT-2130FPQ
PT-2130FPQ
Download Datasheet for PT-2130FPQ
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 - - - - - 12mA - - Transducer, Externally Driven - - - 3kHz - - 0.382" (9.70mm) - - - DC - - - - - Through Hole - Single Tone - - - - - - Top - - - - - - - - 0.945" Dia (24.00mm) - - - 80dB @ 12V, 30cm - - - - Piezo (with Feedback) - - PC Pins - - 12 V 1.5 ~ 30V - - - - - -
AT-4230-TF-LW135-R
AT-4230-TF-LW135-R
PUI Audio, Inc.
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 - - - - - 9mA - - Transducer, Externally Driven - - - 3kHz - - 0.650" (16.50mm) - - - Peak-Peak Signal - - - - - Panel Mount, Flange - Single Tone -30°C ~ 85°C - - - - - Top - - - - - - - - 1.646" Dia (41.80mm) - - - 96dB @ 10V, 10cm - - - - Piezo - - Wire Leads - - 10 V 1 ~ 30V - - - - - -
SMT-2225-T-R
SMT-2225-T-R
PUI Audio, Inc.
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 - - - - - 8mA - - Transducer, Externally Driven - - - 2.5kHz - - 0.240" (6.10mm) - - - Peak-Peak Signal - - - - - Surface Mount - Single Tone -30°C ~ 85°C - - - - - Top - - - - - - - - 0.866" Dia (22.00mm) - - - 80dB @ 10V, 10cm - - - - Piezo - - Solder Pads - - 10 V 1 ~ 30V - - - - - -
CPT-4011C-600
CPT-4011C-600
Download Datasheet for CPT-4011C-600
CUI Devices
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 - - - - - 40mA - - Transducer, Externally Driven - - - 3.25kHz - - 0.453" (11.50mm) - - - Peak-Peak Signal - - - - - Through Hole - Single Tone -30°C ~ 80°C - - - - - Top - - - - - - - - 1.575" Dia (40.00mm) - - - 85dB @ 25V, 300cm - - - - Piezo - - PC Pins - - - 60V (Max) - - - - - -
AT-2250-T-LW50-R
AT-2250-T-LW50-R
PUI Audio, Inc.
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 - - - - - 5mA - - Transducer, Externally Driven - - - 5kHz - - 0.197" (5.00mm) - - - Peak-Peak Signal - - - - - Through Hole - Single Tone -20°C ~ 60°C - - - - - Top - - - - - - - - 0.866" Dia (22.00mm) - - - 92dB @ 15V, 10cm - - - - Piezo - - PC Pins - - 15 V 1 ~ 30V - - - - - -
PT-1241PFQ
PT-1241PFQ
Download Datasheet for PT-1241PFQ
Mallory Sonalert Products
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 - - - - - 1.5mA - - Transducer, Externally Driven - - - 4kHz - - 0.291" (7.40mm) - - - Peak-Peak Signal - - - - - Through Hole - Single Tone -20°C ~ 60°C - - - - - Top - - - - - - - - 0.492" Dia (12.50mm) - - - 80dB @ 3V, 10cm - - - - Piezo - - PC Pins - - 3 V 1 ~ 30V - - - - - -
TP403212-1
TP403212-1
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DB Unlimited
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 - - - - - 15mA - - Transducer, Externally Driven - - - 3.2kHz - - 0.787" (20.00mm) - - - Peak-Peak Signal - - - - - Through Hole - - -30°C ~ 70°C - - - - - Top - - - - - - - - 1.575" Dia (40.00mm) - - - 105dB @ 12V, 10cm - - - - Piezo - - PC Pins - - 12 V 1 ~ 30V - - - - - -
CMT-1261-SMT
CMT-1261-SMT
Download Datasheet for CMT-1261-SMT
CUI Devices
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 - - - - - 11mA - - Transducer, Externally Driven - - - 5kHz - - 0.327" (8.30mm) - - - Peak-Peak Signal - - - - - Surface Mount - Single Tone -30°C ~ 70°C - - - - - Top - - Washable - - - - - 0.665" L x 0.665" W (16.90mm x 16.90mm) - - - 90dB @ 10V, 10cm - - - - Piezo - - Solder Pads - - 10 V 20V (Max) - - - - - -
SMT-1427-S-2-R
SMT-1427-S-2-R
PUI Audio, Inc.
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 - - - - - 80mA - - Transducer, Externally Driven - - - 2.7kHz - - 0.138" (3.50mm) - - - Zero-Peak Signal - - - - - Surface Mount - Single Tone -40°C ~ 85°C - - - - - Side - - - - - - - - 0.433" L x 0.551" W (11.00mm x 14.00mm) - - - 85dB @ 1.5V, 10cm - - - - Electromechanical/Magnetic - - Solder Pads - - 1.5 V 1.2 ~ 1.7V - - - - - -
TP341209-1
TP341209-1
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 - - - - - 7mA - - Transducer, Externally Driven - - - 1.2kHz - - 0.335" (8.50mm) - - - Peak-Peak Signal - - - - - Through Hole - - -20°C ~ 60°C - - - - - Top - - - - - - - - - - - - 80dB @ 9V, 10cm - - - - Piezo - - PC Pins - - 9 V - - - - - - -
ASI12N35MTRQ
ASI12N35MTRQ
Download Datasheet for ASI12N35MTRQ
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 - - - - - 10mA - - Indicator, Internally Driven - - - 3.5kHz - - 0.295" (7.50mm) - - - DC - - - - - Surface Mount - Single Tone -20°C ~ 100°C - - - - - Top - - Washable - - - - - 0.551" L x 0.551" W (14.00mm x 14.00mm) - - - 83dB @ 12V, 10cm - - - - Piezo - - Solder Pads - - 12 V 3 ~ 15V - - - - - -
CPI-4116-96PM
CPI-4116-96PM
Download Datasheet for CPI-4116-96PM
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 - - - - - 10mA - - 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) - - - 96dB @ 12V, 30cm - - - - Piezo - - Wire Leads - - 12 V 3 ~ 20V - - - - - -
WT-2505
WT-2505
Download Datasheet for WT-2505
Soberton Inc.
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 - - - - - 80mA - - Transducer, Externally Driven - - - 730Hz - - 0.512" (13.00mm) - - - Zero-Peak Signal - - - - - Through Hole - Single Tone -20°C ~ 60°C - - - - - Top - - Washable - - - - - 0.984" Dia (25.00mm) - - - 85dB @ 6V, 10cm - - - - Magnetic - - PC Pins - - 6 V 3 ~ 7V - - - - - -
AST1109MLTRQ
AST1109MLTRQ
Download Datasheet for AST1109MLTRQ
Mallory Sonalert Products
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 - - - - - 1mA - - Transducer, Externally Driven - - - 4.1kHz - - 0.079" (2.00mm) - - - Peak-Peak Signal - - - - - Surface Mount - Single Tone -20°C ~ 70°C - - - - - Top - - - - - - - - 0.433" L x 0.354" W (11.00mm x 9.00mm) - - - 73dB @ 5V, 10cm - - - - Piezo - - Solder Pads - - 5 V 1 ~ 20V - - - - - -
PT-4175WQ
PT-4175WQ
Mallory Sonalert Products
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 - - - - - 1.5mA - - Transducer, Externally Driven - - - 750Hz - - 0.559" (14.20mm) - - - Peak-Peak Signal - - - - - Panel Mount, Flange - Single Tone -20°C ~ 70°C - - - - - Top - - - - - - - - 1.732" Dia (44.00mm) - - - 87dB @ 5V, 10cm - - - - Piezo - - Wire Leads - - 5 V 3 ~ 30V - - - - - -
IP224512-2
IP224512-2
Download Datasheet for IP224512-2
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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 ~ 30V - - - - - -
IP233712-1
IP233712-1
Download Datasheet for IP233712-1
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 - - - - - 8mA - - Indicator, Internally Driven - - - 3.7kHz - - 0.669" (17.00mm) - - - DC - - - - - Panel Mount, Flange - Single Tone -20°C ~ 60°C - - - - - Top - - - - - - - - 0.906" Dia (23.00mm) - - - 100dB @ 12V, 10cm - - - - Piezo - - Wire Leads - - 12 V 3 ~ 16V - - - - - -
SMT-1324-TW-12V-R
SMT-1324-TW-12V-R
PUI Audio, Inc.
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 - - - - - 40mA - - 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) - - - 85dB @ 12V, 10cm - - - - Electromechanical/Magnetic - - Solder Pads - - 12 V 8 ~ 16V - - - - - -
CPE-223
CPE-223
Download Datasheet for CPE-223
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 - - - - - 13mA - - Indicator, Internally Driven - - - 3.3kHz - - 0.500" (12.70mm) - - - DC - - - - - Through Hole - Single Tone -20°C ~ 85°C - - - - - Top - - - - - - - - 0.937" Dia (23.80mm) - - - 81dB @ 12V, 30cm - - - - Piezo - - PC Pins - - 12 V 3 ~ 20V - - - - - -
PT-520-SQ
PT-520-SQ
Mallory Sonalert Products
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 - - - - - 3mA - - Transducer, Externally Driven - - - 4.4kHz - - 1.437" (36.50mm) - - - Peak-Peak Signal - - - - - Panel Mount, Flange - Single Tone -20°C ~ 70°C - - - - - Top - - - - - - - - 1.614" L x 0.551" W (41.00mm x 14.00mm) - - - 85dB @ 5V, 10cm - - - - Piezo - - Wire Leads - - 5 V 1 ~ 30V - - - - - -
CPE-222H
CPE-222H
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 - - - - - 10mA - - Indicator, Internally Driven - - - 3.2kHz - - 0.421" (10.70mm) - - - DC - - - - - Through Hole - Single Tone -30°C ~ 85°C - - - - - Top - - - - - - - - 0.917" Dia (23.30mm) - - - 85dB @ 12V, 30cm - - - - Piezo - - PC Pins - - 12 V 5 ~ 16V - - - - - -
CPT-407-105-L60
CPT-407-105-L60
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CUI Devices
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 - - - - - 45mA - - Transducer, Externally Driven - - - 3.2kHz - - 0.281" (7.15mm) - - - DC - - - - - Panel Mount, Flange - Single Tone -30°C ~ 85°C - - - - - Side - - - - - - - - 1.398" Dia (35.50mm) - - - 105dB @ 14V, 30cm - - - - Piezo - - Wire Leads with Connector - - 14 V 6 ~ 16V - - - - - -
PT-3534FPQ
PT-3534FPQ
Mallory Sonalert Products
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 - - - - - 12mA - - Transducer, Externally Driven - - - 3.4kHz - - 0.803" (20.40mm) - - - DC - - - - - Through Hole - Single Tone -20°C ~ 100°C - - - - - Top - - - - - - - - 1.535" Dia (39.00mm) - - - 105dB @ 9V, 10cm - - - - Piezo (with Feedback) - - PC Pins - - 9 V 3 ~ 28V - - - - - -
CMI-1614C-120
CMI-1614C-120
Download Datasheet for CMI-1614C-120
CUI Devices
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 - - - - - 35mA - - Indicator, Internally Driven - - - 2.2kHz - - 0.571" (14.50mm) - - - DC - - - - - Through Hole - Single Tone -40°C ~ 85°C - - - - - Top - - Washable - - - - - 0.630" Dia (16.00mm) - - - 90dB @ 12V, 10cm - - - - Magnetic - - PC Pins - - 12 V 9 ~ 13V - - - - - -
IE122405-1
IE122405-1
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DB Unlimited
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 - - - - - 30mA - - Indicator, Internally Driven - - - 2.4kHz - - 0.287" (7.30mm) - - - DC - - - - - Surface Mount - Single Tone -40°C ~ 85°C - - - - - Top - - - - - - - - 0.504" L x 0.504" W (12.80mm x 12.80mm) - - - 88dB @ 5V, 10cm - - - - Electromechanical - - Solder Pads - - 5 V 4 ~ 7V - - - - - -
PB-1621PQ
PB-1621PQ
Download Datasheet for PB-1621PQ
Mallory Sonalert Products
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 - - - - - 60mA - - Transducer, Externally Driven - - - 2.048kHz - - 0.559" (14.20mm) - - - Peak-Peak Signal - - - - - Through Hole - Single Tone -20°C ~ 70°C - - - - - Top - - Washable - - - - - 0.630" Dia (16.00mm) - - - 85dB @ 5V, 10cm - - - - Magnetic - - PC Pins - - 5 V 4 ~ 7V - - - - - -
PT-2020PQ
PT-2020PQ
Mallory Sonalert Products
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 - - - - - 1.5mA - - Transducer, Externally Driven - - - 2kHz - - 1.067" (27.10mm) - - - Peak-Peak Signal - - - - - Through Hole - Single Tone -20°C ~ 90°C - - - - - Side - - - - - - - - 0.866" L x 0.283" W (22.00mm x 7.20mm) - - - 80dB @ 5V, 10cm - - - - Piezo - - PC Pins - - 5 V 1 ~ 30V - - - - - -
PK-11N40PQ
PK-11N40PQ
Download Datasheet for PK-11N40PQ
Mallory Sonalert Products
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 - - - - - 5mA - - Indicator, Internally Driven - - - 4.1kHz - - 0.217" (5.50mm) - - - DC - - - - - Through Hole - Single Tone -20°C ~ 100°C - - - - - Top - - - - - - - - 0.472" Dia (12.00mm) - - - 80dB @ 5V, 10cm - - - - Piezo - - PC Pins - - 5 V 3 ~ 5V - - - - - -
CPE-232H
CPE-232H
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CUI Devices
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 - - - - - 10mA - - Indicator, Internally Driven - - - 3.2kHz - - 0.421" (10.70mm) - - - DC - - - - - Through Hole - Single Tone -30°C ~ 85°C - - - - - Top - - - - - - - - 0.917" Dia (23.30mm) - - - 85dB @ 12V, 30cm - - - - Piezo - - PC Pins - - 12 V 5 ~ 16V - - - - - -
CPI-2825S-85PM
CPI-2825S-85PM
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 - - - - - 10mA - - Indicator, Internally Driven - - - 3.5kHz - - 1.004" (25.50mm) - - - DC - - - - - Panel Mount, Flange - Pulse, Slow -20°C ~ 60°C - - - - - Top - - - - - - - - 1.102" Dia (28.00mm) - - - 85dB @ 12V, 30cm - - - - Piezo - - Wire Leads - - 12 V 4 ~ 28V - - - - - -
CPI-2825F-85PM
CPI-2825F-85PM
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 - - - - - 10mA - - Indicator, Internally Driven - - - 3.5kHz - - 1.004" (25.50mm) - - - DC - - - - - Panel Mount, Flange - Pulse, Fast -20°C ~ 60°C - - - - - Top - - - - - - - - 1.102" Dia (28.00mm) - - - 85dB @ 12V, 30cm - - - - Piezo - - Wire Leads - - 12 V 4 ~ 28V - - - - - -
CMT-5023S-SMT-TR
CMT-5023S-SMT-TR
Download Datasheet for CMT-5023S-SMT-TR
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 - - - - - 110mA - - Transducer, Externally Driven - - - 4kHz - - 0.083" (2.10mm) - - - Zero-Peak Signal - - - - - Surface Mount - Single Tone -30°C ~ 70°C - - - - - Top - - - - - - - - 0.197" L x 0.197" W (5.00mm x 5.00mm) - - - 80dB @ 3V, 10cm - - - - Magnetic - - Solder Pads - - 3 V 2 ~ 4V - - - - - -
AI-4228-TWT-R
AI-4228-TWT-R
PUI Audio, Inc.
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 - - - - - 10mA - - Indicator, Internally Driven - - - 2.8kHz - - 0.571" (14.50mm) - - - DC - - - - - Through Hole - Single Tone -30°C ~ 85°C - - - - - Top - - Washable - - - - - 1.654" Dia (42.00mm) - - - 99dB @ 12V, 10cm - - - - Piezo - - PC Pins - - 12 V 3 ~ 28V - - - - - -
Showing 451-500 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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