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
SMT-12	PUI Audio, Inc.	BUZZER MAGNETIC 0.49"X 0.49" SMD	Tube		Surface Mount	SMT	-
SMT-1220-TW	PUI Audio, Inc.	BUZZER MAGNETIC 3V 12MM SMD	Tube		Surface Mount	SMT	-40°C ~ 85°C
SMT-1220-TW-R $2.72	PUI Audio, Inc.	BUZZER MAGNETIC 3V 12MM SMD	Tray		Surface Mount	SMT	-40°C ~ 85°C
SMT-1220-TW-R-T/R $2.70	PUI Audio, Inc.	SMD ELECTRO-MECH TRANSDUCER 3VPK	Tape & Reel (TR),Cut Tape (CT)		Surface Mount	SMT	-40°C ~ 85°C
SMT-1227-T $2.14	PUI Audio, Inc.	BUZZER PIEZO 3V 12X12MM SMD	Tape & Reel (TR),Cut Tape (CT)		Surface Mount	SMT	-40°C ~ 120°C
SMT-1240-S-HT $1.15	PUI Audio, Inc.	BUZZER PIEZO 3V 0.480X 0.47 SMD	Tape & Reel (TR),Cut Tape (CT)		Surface Mount	SMT	-40°C ~ 85°C
SMT-13	PUI Audio, Inc.	BUZZER MAGNETIC 0.49"X 0.49" SMD	Tube		Surface Mount	SMT	-
SMT-1320-T-HT-R $1.50	PUI Audio, Inc.	BUZZER MAGN 12V 13X13MM SMD	Tape & Reel (TR),Cut Tape (CT)		Surface Mount	SMT	-40°C ~ 105°C