Adafruit

Adafruit

Adafruit Industries is a renowned open-source hardware company that provides innovative electronics and educational resources to empower makers, inventors, and engineers. Founded in 2005 by Limor Fried, Adafruit has become a prominent figure in the maker community, offering a wide range of products including development boards, sensors, components, and tools. Emphasizing open-source values, Adafruit promotes collaboration and knowledge-sharing through its extensive collection of tutorials, guides, and project ideas. The company's commitment to education is evident through its Circuit Playground platform, which aims to teach electronics in a fun and accessible manner. Adafruit's dedication to diversity and inclusion is reflected in its efforts to support and promote women in STEM fields. With a focus on quality, creativity, and community, Adafruit continues to inspire and enable individuals to explore and create within the realms of electronics and technology.

Alarms, Buzzers, and Sirens

Results:
2
Series
Operating Temperature
Height - Seated (Max)
Voltage - Rated
Mounting Type
Size / Dimension
Current - Supply
Voltage Range
Sound Pressure Level (SPL)
Frequency
Input Type
Ingress Protection
Approval Agency
Termination
Duration
Ratings
Driver Circuitry
Technology
Operating Mode
Port Location
Results remaining2
Applied Filters:
Adafruit
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ImageProduct DetailPriceAvailabilityECAD ModelSeriesIngress ProtectionDurationOperating TemperatureTerminationApproval AgencyRatingsVoltage - RatedMounting TypeCurrent - SupplyHeight - Seated (Max)Port LocationDriver CircuitryInput TypeVoltage RangeFrequencyTechnologyOperating ModeSound Pressure Level (SPL)Size / Dimension
1739
BUZZER PIEZO 12V 30MM FLANGE
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Quantity
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PCB Symbol, Footprint & 3D Model
-
-
-
-20°C ~ 60°C
Wire Leads
-
-
12 V
Panel Mount, Flange
3.5mA
0.224" (5.70mm)
Top
Transducer, Externally Driven
Peak-Peak Signal
1 ~ 30V
2.65kHz
Piezo
Single Tone
85dB @ 12V, 10cm
1.181" Dia (30.00mm)
1740
BUZZER PIEZO 9V 14MM WIRE
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Quantity
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PCB Symbol, Footprint & 3D Model
-
-
-
-20°C ~ 70°C
Wire Leads
-
-
9 V
Wire Lead
-
0.098" (2.50mm)
Top
Transducer, Externally Driven
Peak-Peak Signal
9 ~ 40V
8kHz
Piezo
Single Tone
-
0.551" Dia (14.00mm)

About  Alarms, Buzzers, and Sirens

Alarms, Buzzers, and Sirens are essential devices designed to generate audible signals, typically in the form of a steady high-pitched hum. These devices are enclosed within molded housings, ensuring protection and durability. There are various characteristics that differentiate alarms, buzzers, and sirens, including driver circuitry, input type, voltage rating, voltage range, frequency, technology, operating mode, current supply, and port location. The driver circuitry determines the mechanism by which the device produces sound, while the input type specifies the type of electrical signal required to activate the device. The voltage rating and voltage range indicate the acceptable power supply levels for proper operation. The frequency represents the pitch or tone of the generated sound and can range from multiple frequencies to a specific range between 200Hz to 8kHz. Different technologies are utilized in the production of alarms, buzzers, and sirens. These include electromechanical, magnetic, piezo, and piezo with feedback. Each technology has its unique characteristics and advantages in terms of efficiency, reliability, and sound quality. Operating modes can vary, with options like continuous sound output, intermittent or pulsing signals, adjustable volume settings, or even programmable patterns. The current supply refers to the amount of electrical current required for the device to operate correctly. Port location specifies the position of the electrical connections on the device for easy integration into various systems or applications. Alarms, buzzers, and sirens find extensive use in a wide range of industries and applications, including security systems, industrial equipment, automotive vehicles, consumer electronics, and emergency warning systems. They provide vital auditory alerts and notifications to ensure safety, enhance communication, and alert individuals to potential hazards or situations requiring attention.