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.

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Select products	Mfr	Description	Package	Supplier Device Package	Mounting Type	Series	Operating Temperature
PFD-27A35PQ $7.67	Mallory Sonalert Products Inc.	BUZZER PIEZO 12V 30MM TH	Bulk		Through Hole	PFD	-20°C ~ 70°C
PFD-27N35WQ $6.77	Mallory Sonalert Products Inc.	BUZZER PIEZO 12V 30MM FLANGE	Bulk		Panel Mount, Flange	PFD	-20°C ~ 70°C
PFD-35N29WQ $7.39	Mallory Sonalert Products Inc.	BUZZER PIEZO 12V 42MM FLANGE	Bulk		Panel Mount, Flange	PFD	-20°C ~ 70°C
PK-09N50PQ $3.55	Mallory Sonalert Products Inc.	2.5-505DC 77-84DB 5000HZ CONT 10	Bulk		Through Hole	PK	-20°C ~ 100°C
PK-11N40PQ $2.78	Mallory Sonalert Products Inc.	BUZZER PIEZO 5V 12MM TH	Bulk		Through Hole	PK	-20°C ~ 100°C
PK-12N40PEDBQ $3.38	Mallory Sonalert Products Inc.	BUZZER PIEZO 12V 13.8MM TH	Bulk		Through Hole	PK	-20°C ~ 100°C
PK-12N40PEDGQ $6.17	Mallory Sonalert Products Inc.	BUZZER PIEZO 12V 13.8MM TH	Bulk		Through Hole	PK	-20°C ~ 100°C
PK-12N40PEDRQ $6.17	Mallory Sonalert Products Inc.	BUZZER PIEZO 12V 13.8MM TH	Bulk		Through Hole	PK	-20°C ~ 100°C