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-0540-T-7-R BUZZER MAGNETIC 3V 0.2X 0.2" SMD PUI Audio, Inc.	5,778	-	RFQ	Datasheet	SMT	Tape & Reel (TR)	Active	Transducer, Externally Driven	Zero-Peak Signal	3 V	2 ~ 4V	4kHz	Electromechanical/Magnetic	Single Tone	-	78dB @ 3V, 10cm	100mA	Top	-30°C ~ 70°C	-	-	-	Surface Mount	Solder Pads	0.197" L x 0.197" W (5.00mm x 5.00mm)
PB-12N23P-05Q BUZZER MAGNETIC 5V 12MM TH Mallory Sonalert Products Inc.	14,023	-	RFQ	Datasheet	PB	Tube	Active	Indicator, Internally Driven	DC	5 V	4 ~ 7V	2.3kHz	Magnetic	Single Tone	-	85dB @ 5V, 10cm	30mA	Top	-20°C ~ 70°C	-	Washable	-	Through Hole	PC Pins	0.472" Dia (12.00mm)
SMT-0827-S-2-R BUZZER MAGNETIC 3.6V 0.3X0.3 SMD PUI Audio, Inc.	10,196	-	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	-	92dB @ 3.6V, 10cm	90mA	Side	-30°C ~ 70°C	-	-	-	Surface Mount	Solder Pads	0.335" L x 0.335" W (8.50mm x 8.50mm)
SMT-0821-T-R BUZZER MAGNETIC 3.6V 0.3X0.3 SMD PUI Audio, Inc.	24,438	-	RFQ	Datasheet	SMT	Tape & Reel (TR)	Active	Transducer, Externally Driven	Zero-Peak Signal	3.6 V	2 ~ 5V	2.1kHz	Electromechanical/Magnetic	Single Tone	-	87dB @ 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)
PK-20A38PQ BUZZER PIEZO 12V 23MM TH Mallory Sonalert Products Inc.	16,289	-	RFQ	Datasheet	PK	Bulk	Active	Indicator, Internally Driven	DC	12 V	3 ~ 24V	3.8kHz	Piezo	Single Tone	-	95dB @ 12V, 30cm	15mA	Top	-20°C ~ 70°C	-	-	-	Through Hole	PC Pins	0.906" Dia (23.00mm)
PB-12N23P-03Q BUZZER MAGNETIC 3V 12MM TH Mallory Sonalert Products Inc.	7,787	-	RFQ	Datasheet	PB	Tube	Active	Indicator, Internally Driven	DC	3 V	2 ~ 5V	2.3kHz	Magnetic	Single Tone	-	85dB @ 3V, 10cm	30mA	Top	-20°C ~ 70°C	-	Washable	-	Through Hole	PC Pins	0.472" Dia (12.00mm)
ASI301TRQ BUZZER MAGN 5V 12.6X12.6 W SMD Mallory Sonalert Products Inc.	15,025	-	RFQ	Datasheet	ASI	Tape & Reel (TR)	Active	Indicator, Internally Driven	DC	5 V	4 ~ 7V	2.4kHz	Magnetic	Single Tone	-	90dB @ 5V, 10cm	30mA	Top	-20°C ~ 70°C	-	Washable	-	Surface Mount	Solder Pads	0.496" L x 0.496" W (12.60mm x 12.60mm)
PK-12N40PEQ BUZZER PIEZO 12V 13.8MM TH Mallory Sonalert Products Inc.	3,672	-	RFQ	Datasheet	PK	Bulk	Active	Indicator, Internally Driven	DC	12 V	3 ~ 15V	4.1kHz	Piezo	Single Tone	-	83dB @ 12V, 10cm	10mA	Top	-20°C ~ 70°C	-	Washable	-	Through Hole	PC Pins	0.543" Dia (13.80mm)
CEP-2202AS BUZZER PIEZO 12V 24.20MM TH Same Sky (Formerly CUI Devices)	4,635	-	RFQ	Datasheet	CEP	Tray	Active	Indicator, Internally Driven	DC	12 V	3 ~ 20V	3kHz	Piezo	Single Tone	-	85dB @ 12V, 30cm	11mA	Top	-30°C ~ 85°C	-	Washable	-	Through Hole	PC Pins	0.953" Dia (24.20mm)
SMI-1027-TW-5V-R BUZZER MAGN 5V 0.38 X 0.38 SMD PUI Audio, Inc.	10,874	-	RFQ	Datasheet	SMI	Tape & Reel (TR)	Active	Indicator, Internally Driven	DC	5 V	4 ~ 7V	2.7kHz	Electromechanical/Magnetic	Single Tone	-	80dB @ 5V, 10cm	30mA	Top	-40°C ~ 85°C	-	Washable	-	Surface Mount	Solder Pads	0.378" L x 0.378" W (9.60mm x 9.60mm)
SMI-1027-TW-12V-R BUZZER MAGN 12V 0.38 X 0.38 SMD PUI Audio, Inc.	2,954	-	RFQ	Datasheet	SMI	Tape & Reel (TR)	Active	Indicator, Internally Driven	DC	12 V	7 ~ 15V	2.7kHz	Electromechanical/Magnetic	Single Tone	-	85dB @ 12V, 10cm	30mA	Top	-40°C ~ 85°C	-	Washable	-	Surface Mount	Solder Pads	0.378" L x 0.378" W (9.60mm x 9.60mm)
PK-12N40PQ BUZZER PIEZO 12V 14MM TH Mallory Sonalert Products Inc.	2,385	-	RFQ	Datasheet	PK	Bulk	Active	Indicator, Internally Driven	DC	12 V	3 ~ 15V	4.1kHz	Piezo	Single Tone	-	83dB @ 12V, 10cm	5mA	Top	-20°C ~ 90°C	-	-	-	Through Hole	PC Pins	0.551" Dia (14.00mm)
ASI401Q BUZZER MAGN 12V 12.6X12.6 W SMD Mallory Sonalert Products Inc.	2,660	-	RFQ	Datasheet	ASI	Tube	Active	Indicator, Internally Driven	DC	12 V	9 ~ 15V	2.4kHz	Magnetic	Single Tone	-	90dB @ 12V, 10cm	50mA	Top	-20°C ~ 70°C	-	Washable	-	Surface Mount	Solder Pads	0.496" L x 0.496" W (12.60mm x 12.60mm)
PK-21N30PQ BUZZER PIEZO 12V 24MM TH Mallory Sonalert Products Inc.	4,191	-	RFQ	Datasheet	PK	Bulk	Active	Indicator, Internally Driven	DC	12 V	1.5 ~ 30V	3kHz	Piezo	Single Tone	-	80dB @ 12V, 30cm	12mA	Top	-20°C ~ 70°C	-	-	-	Through Hole	PC Pins	0.945" Dia (24.00mm)
SMT-0927-S-11-R BUZZER MAGNETIC 3.6V 0.3X0.3 SMD PUI Audio, Inc.	15,027	-	RFQ	Datasheet	SMT	Tape & Reel (TR)	Active	Transducer, Externally Driven	Zero-Peak Signal	3.6 V	2.5 ~ 4.5V	2.67kHz	Electromechanical/Magnetic	Single Tone	-	90dB @ 3.6V, 10cm	90mA	Side	-30°C ~ 70°C	-	-	-	Surface Mount	Solder Pads	0.335" L x 0.335" W (8.50mm x 8.50mm)
SMT-0827-SW-3V-R BUZZER MAGNETIC 3.6V 0.3X0.3 SMD PUI Audio, Inc.	5,087	-	RFQ	Datasheet	SMT	Tape & Reel (TR)	Active	Transducer, Externally Driven	Zero-Peak Signal	3.6 V	2.5 ~ 4.5V	2.73kHz	Electromechanical/Magnetic	Single Tone	-	85dB @ 3.6V, 10cm	60mA	Side	-40°C ~ 85°C	-	Washable	-	Surface Mount	Solder Pads	0.335" L x 0.335" W (8.50mm x 8.50mm)
ST-0402S BUZZER MAGN 3V 4X4MM W SMD Soberton Inc.	10,177	-	RFQ	Datasheet	ST	Tape & Reel (TR)	Active	Transducer, Externally Driven	Zero-Peak Signal	3 V	2 ~ 4V	4kHz	Magnetic	Single Tone	-	70dB @ 3V, 10cm	90mA	Side	-20°C ~ 70°C	-	-	-	Surface Mount	Solder Pads	0.157" L x 0.157" W (4.00mm x 4.00mm)
SMT-0727-S-R BUZZER MAGNETIC 3.6V 7.5X7.5 SMD PUI Audio, Inc.	5,050	-	RFQ	Datasheet	SMT	Tape & Reel (TR)	Active	Transducer, Externally Driven	Zero-Peak Signal	3.6 V	2 ~ 5V	2.7kHz	Electromechanical/Magnetic	Single Tone	-	85dB @ 3.6V, 10cm	120mA	Side	-30°C ~ 70°C	-	-	-	Surface Mount	Solder Pads	0.295" L x 0.295" W (7.50mm x 7.50mm)
ST-0402T BUZZER MAGN 3V 4X4MM W SMD Soberton Inc.	3,000	-	RFQ	Datasheet	ST	Tape & Reel (TR)	Active	Transducer, Externally Driven	Zero-Peak Signal	3 V	2 ~ 4V	4kHz	Magnetic	Single Tone	-	70dB @ 3V, 10cm	90mA	Top	-20°C ~ 70°C	-	-	-	Surface Mount	Solder Pads	0.157" L x 0.157" W (4.00mm x 4.00mm)
SMT-0827-SW-5V-R BUZZER MAGNETIC 5V 0.34X0.34 SMD PUI Audio, Inc.	1,349	-	RFQ	Datasheet	SMT	Tape & Reel (TR)	Active	Transducer, Externally Driven	Zero-Peak Signal	5 V	4 ~ 6V	2.731kHz	Electromechanical/Magnetic	Single Tone	-	85dB @ 5V, 10cm	80mA	Side	-40°C ~ 85°C	-	Washable	-	Surface Mount	Solder Pads	0.335" L x 0.335" W (8.50mm x 8.50mm)

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?

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