Alarms, Buzzers, and Sirens

Browse available Alarms, Buzzers, and Sirens components by manufacturer and part number. Review stock status, datasheets and key technical parameters to compare suitable options for design, maintenance, replacement or purchasing.

If you already have a target MPN or BOM, send it to EGOO with the required quantity. Our sourcing team can check availability, lead time and quotation options, including hard-to-find and obsolete parts.

Mfr. Part #	Availability	Price	Quantity	Datasheet	Series	Packaging	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
SMT-0825-T-2-R BUZZER MAGNETIC 3.6V 0.3X0.3 SMD PUI Audio, Inc.	976	-	RFQ	Datasheet	SMT	Tape & Reel (TR)	Active	Transducer, Externally Driven	Zero-Peak Signal	3.6 V	2.5 ~ 4.5V	2.7kHz	Electromechanical/Magnetic	Single Tone	-	85dB @ 3.6V, 10cm	90mA	Top	-30°C ~ 70°C	-	-	-	Surface Mount	Solder Pads	0.335" L x 0.335" W (8.50mm x 8.50mm)
CMI-1240-SMT BUZZER PIEZO 12V16.9X16.9MM SMD Same Sky (Formerly CUI Devices)	1,352	-	RFQ	Datasheet	-	Tube	Active	Indicator, Internally Driven	DC	12 V	3 ~ 18V	4kHz	Piezo	Single Tone	-	83dB @ 12V, 10cm	18mA	Top	-30°C ~ 70°C	-	Washable	-	Surface Mount	Solder Pads	0.665" L x 0.665" W (16.90mm x 16.90mm)
X-2629-TWT-2-R BUZZER PIEZO 12V 26.3MM TH PUI Audio, Inc.	531	-	RFQ	Datasheet	X	Tray	Active	Indicator, Internally Driven	DC	12 V	5 ~ 18V	2.9kHz	Piezo	Single Tone	-	110dB @ 12V, 10cm	40mA	Top	-30°C ~ 80°C	-	Washable	-	Through Hole	PC Pins	1.035" Dia (26.30mm)
AI-4228-TWT-R BUZZER PIEZO 12V 42MM TH PUI Audio, Inc.	2,226	-	RFQ	Datasheet	AI	Bulk	Active	Indicator, Internally Driven	DC	12 V	3 ~ 28V	2.8kHz	Piezo	Single Tone	-	99dB @ 12V, 10cm	10mA	Top	-30°C ~ 85°C	-	Washable	-	Through Hole	PC Pins	1.654" Dia (42.00mm)
PK-27N25WQ BUZZER PIEZO 12V 30MM FLANGE Mallory Sonalert Products Inc.	6,813	-	RFQ	Datasheet	PK	Bulk	Active	Indicator, Internally Driven	DC	12 V	3 ~ 28V	2.5kHz	Piezo	Single Tone	-	90dB @ 12V, 30cm	8mA	Top	-20°C ~ 70°C	-	-	-	Panel Mount, Flange	Wire Leads	1.181" Dia (30.00mm)
CEP-2250 BUZZER PIEZO 12V 28.00MM FLANGE Same Sky (Formerly CUI Devices)	1,821	-	RFQ	Datasheet	CEP	Box	Active	Indicator, Internally Driven	DC	12 V	3 ~ 28V	3.5kHz	Piezo	Single Tone	-	85dB @ 12V, 30cm	6mA	Top	-30°C ~ 85°C	-	-	-	Panel Mount, Flange	Wire Leads	1.102" Dia (28.00mm)
AI-2331-TWT-R BUZZER PIEZO 12V 23.4MM TH PUI Audio, Inc.	7,582	-	RFQ	Datasheet	AI	Tray	Active	Indicator, Internally Driven	DC	12 V	3 ~ 20V	3.1kHz	Piezo	Single Tone	-	85dB @ 12V, 10cm	15mA	Top	-20°C ~ 60°C	-	-	-	Through Hole	PC Pins	0.921" Dia (23.40mm)
AI-2429-TWT-R BUZZER PIEZO 12V 23.8MM TH PUI Audio, Inc.	1,502	-	RFQ	Datasheet	AI	Tray	Active	Indicator, Internally Driven	DC	12 V	3 ~ 20V	2.9kHz	Piezo	Single Tone	-	100dB @ 12V, 10cm	8mA	Top	-20°C ~ 70°C	-	Washable	-	Through Hole	PC Pins	0.937" Dia (23.80mm)
AI-2438-TT-R BUZZER PIEZO 12V 24MM TH PUI Audio, Inc.	1,405	-	RFQ	Datasheet	AI	Bulk	Active	Indicator, Internally Driven	DC	12 V	8 ~ 18V	3.8kHz	Piezo	Single Tone	-	95dB @ 12V, 10cm	12mA	Top	-30°C ~ 85°C	-	-	-	Through Hole	PC Pins	0.945" Dia (24.00mm)
AI-2429-TWT-12V-3-R BUZZER PIEZO 12V 23.8MM TH PUI Audio, Inc.	1,042	-	RFQ	Datasheet	AI	Tray	Active	Indicator, Internally Driven	DC	12 V	3 ~ 20V	2.9kHz	Piezo	Single Tone	-	95dB @ 12V, 10cm	8mA	Top	-20°C ~ 70°C	-	Washable	-	Through Hole	PC Pins	0.937" Dia (23.80mm)
PK-27N36PSQ BUZZER PIEZO 12V 30MM TH Mallory Sonalert Products Inc.	1,251	-	RFQ	Datasheet	PK	Bulk	Active	Indicator, Internally Driven	DC	12 V	3 ~ 28V	3.5kHz	Piezo	Single Tone	-	90dB @ 12V, 30cm	15mA	Top	-20°C ~ 70°C	-	-	-	Through Hole	PC Pins	1.181" Dia (30.00mm)
MCP320Q BUZZER PIEZO 12V 24MM TH Mallory Sonalert Products Inc.	3,796	-	RFQ	Datasheet	MCP	Bulk	Active	Indicator, Internally Driven	DC	12 V	3 ~ 20V	3.15kHz	Piezo	Single Tone	-	55dB @ 3V, 61cm	3 ~ 25mA	Top	-20°C ~ 90°C	-	Washable	-	Through Hole	PC Pins	0.945" Dia (24.00mm)
AI-4228-TF-LW140-3-R BUZZER PIEZO 12V 41.8MM FLANGE PUI Audio, Inc.	14,205	-	RFQ	Datasheet	AI	Bulk	Active	Indicator, Internally Driven	DC	12 V	3 ~ 20V	2.8kHz	Piezo	Single Tone	-	105dB @ 12V, 10cm	10mA	Top	-20°C ~ 60°C	-	-	-	Panel Mount, Flange	Wire Leads	1.646" Dia (41.80mm)
SMI-1324-TW-3V-R BUZZER MAGNETIC 3V 12.8X12.8 SMD PUI Audio, Inc.	4,281	-	RFQ	Datasheet	SMI	Tube	Active	Indicator, Internally Driven	DC	3 V	2 ~ 5V	2.4kHz	Electromechanical/Magnetic	Single Tone	-	75dB @ 3V, 10cm	30mA	Top	-20°C ~ 70°C	-	Washable	-	Surface Mount	Solder Pads	0.504" L x 0.504" W (12.80mm x 12.80mm)
SMT-1427-S-3-R BUZZER MAGNETIC 3V 11X14MM SMD PUI Audio, Inc.	3,610	-	RFQ	Datasheet	SMT	Tape & Reel (TR)	Active	Transducer, Externally Driven	Zero-Peak Signal	3 V	3 ~ 4.5V	2.7kHz	Electromechanical/Magnetic	Single Tone	-	87dB @ 3V, 10cm	90mA	Side	-40°C ~ 85°C	-	-	-	Surface Mount	Solder Pads	0.433" L x 0.551" W (11.00mm x 14.00mm)
PK-20A25PQ BUZZER PIEZO 12V 23MM TH Mallory Sonalert Products Inc.	4,154	-	RFQ	Datasheet	PK	Bulk	Active	Indicator, Internally Driven	DC	12 V	3 ~ 24V	2.5kHz	Piezo	Single Tone	-	95dB @ 12V, 30cm	25mA	Top	-20°C ~ 70°C	-	-	-	Through Hole	PC Pins	0.906" Dia (23.00mm)
PK-21A31PQ BUZZER PIEZO 12V 24MM TH Mallory Sonalert Products Inc.	4,414	-	RFQ	Datasheet	PK	Bulk	Active	Indicator, Internally Driven	DC	12 V	3 ~ 24V	3kHz	Piezo	Single Tone	-	85dB @ 12V, 30cm	18mA	Top	-20°C ~ 70°C	-	-	-	Through Hole	PC Pins	0.945" Dia (24.00mm)
PK-27N26PSQ BUZZER PIEZO 12V 30MM TH Mallory Sonalert Products Inc.	1,138	-	RFQ	Datasheet	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)
ASI09N27M-05Q BUZZER MAGN 5V9.5X9.5MM SMD Mallory Sonalert Products Inc.	10,005	-	RFQ	Datasheet	ASI	Strip	Active	Indicator, Internally Driven	DC	5 V	3 ~ 7V	2.7kHz	Magnetic	Single Tone	-	80dB @ 3V, 10cm	30mA	Top	-20°C ~ 70°C	-	-	-	Surface Mount	Solder Pads	0.374" L x 0.374" W (9.50mm x 9.50mm)
PK-20A35EWQ BUZZER PIEZO 12V 28MM FLANGE Mallory Sonalert Products Inc.	1,829	-	RFQ	Datasheet	PK	Bulk	Active	Indicator, Internally Driven	DC	12 V	3 ~ 24V	3.5kHz	Piezo	Single Tone	-	95dB @ 12V, 30cm	10mA	Top	-20°C ~ 70°C	-	-	-	Panel Mount, Flange	Wire Leads	1.102" Dia (28.00mm)

Alarms, Buzzers, and Sirens FAQ

What Alarms, Buzzers, and Sirens components can I source from EGOO?

You can browse available Alarms, Buzzers, and Sirens product families, manufacturers and part numbers on this page, then review stock, datasheets and technical information for suitable options.

Can EGOO help with hard-to-source or obsolete Alarms, Buzzers, and Sirens parts?

Yes. EGOO provides sourcing support for shortage, obsolete and hard-to-find electronic components. Send us the target manufacturer part number and quantity for checking.

Does EGOO support BOM and small-batch sourcing?

Yes. We support BOM sourcing, prototype requirements and small-batch supply, together with stock, lead-time and quotation assistance.

How do I request pricing and availability?

Submit the manufacturer part number, required quantity and any package, date-code or delivery requirements through the RFQ form, and our team will review available sourcing options.