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)
	AI-1223-TWT-5V-2-R BUZZER MAGNETIC 5V 12MM TH PUI Audio, Inc.	3,674 In Stock 2,400 Factory	1 : £2.35000 Tray	AI	Tray	Active	Indicator, Internally Driven	DC	5 V	3 ~ 7V	2.3kHz	Electromechanical/Magnetic	Single Tone	-	85dB @ 5V, 10cm	30mA	Top	-25°C ~ 70°C	-	Washable	Through Hole	PC Pins	0.472" Dia (12.00mm)	0.303" (7.70mm)
	PK-11N40PQ BUZZER PIEZO 5V 12MM TH Mallory Sonalert Products Inc.	5,309 In Stock	1 : £2.61000 Bulk	PK	Bulk	Active	Indicator, Internally Driven	DC	5 V	3 ~ 5V	4.1kHz	Piezo	Single Tone	-	80dB @ 5V, 10cm	5mA	Top	-20°C ~ 100°C	-	-	Through Hole	PC Pins	0.472" Dia (12.00mm)	0.217" (5.50mm)

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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.