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)

CPS-4013-110T BUZZER PIEZO 9V 40MM TH CUI Devices	2,332 In Stock	1 : ¥17.34000 Tray	CPS	Tray	Active	Transducer, Externally Driven	DC	9 V	6 ~ 12V	3.2kHz	Piezo	Single Tone	-	115dB @ 9V, 30cm	50mA	Top	-20°C ~ 60°C	-	-	-	Through Hole	PC Pins	1.575" Dia (40.00mm)	0.516" (13.10mm)
AT-3050-TT-R BUZZER PIEZO 18V 30MM TH PUI Audio, Inc.	669 In Stock	1 : ¥20.74000 Tray	AT	Tray	Active	Transducer, Externally Driven	Peak-Peak Signal	18 V	1 ~ 85V	5kHz	Piezo	-	-	115dB @ 18V, 10cm	80mA	Top	-40°C ~ 85°C	-	-	-	Through Hole	PC Pins	1.181" Dia (30.00mm)	0.287" (7.30mm)
CT30P-50T400-1 BUZZER PIEZO 18V 30MM TH Challenge Electronics	1,999 In Stock	1 : ¥22.61000 Tray	-	Tray	Active	Transducer, Externally Driven	Peak-Peak Signal	18 V	50V	4kHz	Piezo	Single Tone	-	100dB @ 18V, 100cm	80mA	Top	-20°C ~ 60°C	-	-	-	Through Hole	PC Pins	1.181" Dia (30.00mm)	0.323" (8.20mm)

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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.