Alarms, Buzzers, and Sirens

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Mfr Part #	Quantity Available	Price	Series	Package	Product Status	Driver Circuitry	Input Type	Voltage - Rated	Voltage Range	Frequency	Technology	Operating Mode	Duration	Sound Pressure Level (SPL)	Current - Supply	Port Location	Operating Temperature	Approval Agency	Ratings	Mounting Type	Termination	Size / Dimension	Height - Seated (Max)

AT-1224-TWT-5V-2-R BUZZER MAGNETIC 5V 12MM TH PUI Audio, Inc.	21,955 In Stock	1 : ¥4.68000 Tray	AT	Tray	Active	Transducer, Externally Driven	Zero-Peak Signal	5 V	3 ~ 7V	2.4kHz	Electromechanical/Magnetic	Single Tone	-	87dB @ 5V, 10cm	40mA	Top	-30°C ~ 70°C	-	Washable	Through Hole	PC Pins	0.472" Dia (12.00mm)	0.366" (9.30mm)
SMI-1027-T-5V-R BUZZER MAGN 5V 0.38 X 0.38 SMD PUI Audio, Inc.	9,089 In Stock	1 : ¥17.09000 Cut Tape (CT) 700 : ¥9.95226 Tape & Reel (TR)	SMI	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Indicator, Internally Driven	DC	5 V	3 ~ 6.5V	2.7kHz	Electromechanical/Magnetic	Single Tone	-	83dB @ 5V, 10cm	30mA	Top	-40°C ~ 85°C	-	-	Surface Mount	Solder Pads	0.378" L x 0.378" W (9.60mm x 9.60mm)	0.217" (5.50mm)

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Alarms, Buzzers, and Sirens

Alarms, Buzzers, and Sirens are devices that produce an audible signal usually like a steady high-pitched hum that is encased within a molded housing. The characteristics are driver circuitry, input type, voltage rated, voltage range, frequency, technology, operating mode, current supply, and port location. The technology is electromechanical, magnetic, piezo, and piezo (with feedback) with a frequency from multiple, 200Hz to 8kHz.