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)

PK-27N26PSQ BUZZER PIEZO 12V 30MM TH Mallory Sonalert Products Inc.	352 In Stock	1 : ¥42.00000 Bulk	PK	Bulk	Active	Indicator, Internally Driven	DC	12 V	3 ~ 28V	2.5kHz	Piezo	Single Tone	-	90dB @ 12V, 30cm	15mA	Top	-20°C ~ 70°C	-	-	-	Through Hole	PC Pins	1.181" Dia (30.00mm)	0.402" (10.20mm)
AI-3018-TWT-R BUZZER PIEZO 12V 30MM TH PUI Audio, Inc.	648 In Stock	1 : ¥34.77000 Bulk	AI	Bulk	Active	Indicator, Internally Driven	DC	12 V	3 ~ 28V	1.8kHz	Piezo	Single Tone	-	87dB @ 12V, 10cm	18mA	Top	-30°C ~ 80°C	-	Washable	-	Through Hole	PC Pins	1.181" Dia (30.00mm)	0.709" (18.00mm)
CPI-2398-90T BUZZER PIEZO 12V 23MM TH CUI Devices	0 In Stock Check Lead Time	1 : ¥18.28000 Box	CPI	Box	Active	Indicator, Internally Driven	DC	12 V	3 ~ 28V	3.5kHz	Piezo	Single Tone	-	90dB @ 12V, 10cm	10mA	Top	-30°C ~ 70°C	-	-	-	Through Hole	PC Pins	0.906" Dia (23.00mm)	0.406" (10.30mm)

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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.