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	Ingress Protection	Mounting Type	Termination	Size / Dimension	Height - Seated (Max)

SMT-0927-S-7-R BUZZER MAGN 3.6V 9X9MM SMD PUI Audio, Inc.	2,971 In Stock	1 : ¥21.00000 Cut Tape (CT) 800 : ¥12.17076 Tape & Reel (TR)	SMT	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Transducer, Externally Driven	Zero-Peak Signal	3.6 V	2 ~ 4V	2.73kHz	Electromechanical/Magnetic	Single Tone	-	85dB @ 3.6V, 10cm	100mA	Side	-30°C ~ 70°C	-	-	-	Surface Mount	Solder Pads	0.354" L x 0.354" W (9.00mm x 9.00mm)	0.157" (4.00mm)
AI-2429-TWT-5V-R BUZZER PIEZO 5V 24MM TH PUI Audio, Inc.	143 In Stock	1 : ¥17.77000 Box	AI	Box	Active	Indicator, Internally Driven	DC	5 V	3 ~ 16V	3kHz	Piezo	Single Tone	-	98dB @ 5V, 10cm	25mA	Top	-30°C ~ 75°C	-	Washable	-	Through Hole	PC Pins	0.945" Dia (24.00mm)	0.642" (16.30mm)

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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.