Alarms, Buzzers, and Sirens

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Digi-Key Part Number	Manufacturer Part Number	Manufacturer	Description	Quantity Available	Unit Price USD	Minimum Quantity	Packaging	Series	Part 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)

445-2525-3-ND	PS1240P02BT	TDK Corporation	AUDIO PIEZO TRANSDUCER 30V TH	25 500 - Immediate Available: 25 500	$0,38634	500 Minimum: 500	Tape & Box (TB) Alternate Packaging	PS	Active	Transducer, Externally Driven	Zero-Peak Signal	3V	30V (Max)	4kHz	Piezo	Single Tone	-	60dB @ 3V, 10cm	-	Top	-10°C ~ 70°C	-	-	-	Through Hole	PC Pins	0.480" Dia (12.20mm)	0.307" (7.80mm)
445-2525-1-ND	PS1240P02BT	TDK Corporation	AUDIO PIEZO TRANSDUCER 30V TH	26 214 - Immediate Available: 26 214	$0,61000	1 Minimum: 1	Cut Tape (CT) Alternate Packaging	PS	Active	Transducer, Externally Driven	Zero-Peak Signal	3V	30V (Max)	4kHz	Piezo	Single Tone	-	60dB @ 3V, 10cm	-	Top	-10°C ~ 70°C	-	-	-	Through Hole	PC Pins	0.480" Dia (12.20mm)	0.307" (7.80mm)
445-5229-3-ND	PS1240P02CT3	TDK Corporation	AUDIO PIEZO TRANSDUCER 30V TH	30 500 - Immediate Available: 30 500	$0,41848	500 Minimum: 500	Tape & Box (TB) Alternate Packaging	PS	Active	Transducer, Externally Driven	Zero-Peak Signal	3V	30V (Max)	4kHz	Piezo	Single Tone	-	60dB @ 3V, 10cm	-	Top	-10°C ~ 70°C	-	-	-	Through Hole	PC Pins	0.480" Dia (12.20mm)	0.181" (4.60mm)
445-5229-1-ND	PS1240P02CT3	TDK Corporation	AUDIO PIEZO TRANSDUCER 30V TH	30 976 - Immediate Available: 30 976	$0,67000	1 Minimum: 1	Cut Tape (CT) Alternate Packaging	PS	Active	Transducer, Externally Driven	Zero-Peak Signal	3V	30V (Max)	4kHz	Piezo	Single Tone	-	60dB @ 3V, 10cm	-	Top	-10°C ~ 70°C	-	-	-	Through Hole	PC Pins	0.480" Dia (12.20mm)	0.181" (4.60mm)
490-9647-2-ND	PKMCS0909E4000-R1	Murata Electronics	AUDIO PIEZO TRANSDUCER 12.5V SMD	7 958 - Immediate Available: 7 958	$0,53291	2 000 Minimum: 2 000	Tape & Reel (TR) Alternate Packaging	PK	Active	Transducer, Externally Driven	Zero-Peak Signal	1,5V	12.5V (Max)	4kHz	Piezo	Single Tone	-	65dB @ 1.5V, 10cm	-	Side	-40°C ~ 85°C	-	-	-	Surface Mount	Solder Pads	0.354" L x 0.354" W (9.00mm x 9.00mm)	0.075" (1.90mm)
490-9647-1-ND	PKMCS0909E4000-R1	Murata Electronics	AUDIO PIEZO TRANSDUCER 12.5V SMD	7 958 - Immediate Available: 7 958	$0,96000	1 Minimum: 1	Cut Tape (CT) Alternate Packaging	PK	Active	Transducer, Externally Driven	Zero-Peak Signal	1,5V	12.5V (Max)	4kHz	Piezo	Single Tone	-	65dB @ 1.5V, 10cm	-	Side	-40°C ~ 85°C	-	-	-	Surface Mount	Solder Pads	0.354" L x 0.354" W (9.00mm x 9.00mm)	0.075" (1.90mm)
490-9647-6-ND	PKMCS0909E4000-R1	Murata Electronics	AUDIO PIEZO TRANSDUCER 12.5V SMD	7 958 - Immediate Available: 7 958	Digi-Reel®	1 Minimum: 1	Digi-Reel® Alternate Packaging	PK	Active	Transducer, Externally Driven	Zero-Peak Signal	1,5V	12.5V (Max)	4kHz	Piezo	Single Tone	-	65dB @ 1.5V, 10cm	-	Side	-40°C ~ 85°C	-	-	-	Surface Mount	Solder Pads	0.354" L x 0.354" W (9.00mm x 9.00mm)	0.075" (1.90mm)
490-7031-ND	PKM22EPPH4002-B0	Murata Electronics	AUDIO PIEZO TRANSDUCER 30V TH	4 967 - Immediate Available: 4 967	$0,57000	1 Minimum: 1	Bulk	PK	Active	Transducer, Externally Driven	Zero-Peak Signal	1,5V	30V (Max)	4kHz	Piezo	Single Tone	-	75dB @ 1.5V, 10cm	-	Top	-20°C ~ 70°C	-	-	-	Through Hole	PC Pins	0.866" Dia (22.00mm)	0.343" (8.70mm)
433-1028-ND	WT-1205	Soberton Inc.	AUDIO MAGNETIC XDCR 4-6V TH	25 749 - Immediate Available: 25 749	$0,61000	1 Minimum: 1	Bulk	WT	Active	Transducer, Externally Driven	Zero-Peak Signal	5V	4 ~ 6V	2.4kHz	Magnetic	Single Tone	-	87dB @ 5V, 10cm	50mA	Top	-20°C ~ 70°C	-	Washable	-	Through Hole	PC Pins	0.472" Dia (12.00mm)	0.386" (9.80mm)
433-1020-ND	GT-111P	Soberton Inc.	AUDIO MAGNETIC XDCR 1-4V TH	2 812 - Immediate Available: 2 812	$0,64000	1 Minimum: 1	Bulk	GT	Active	Transducer, Externally Driven	Zero-Peak Signal	1,5V	1 ~ 3V	2.048kHz	Magnetic	Single Tone	-	80dB @ 1.5V, 10cm	10mA	Top	-20°C ~ 60°C	-	-	-	Through Hole	PC Pins	0.472" Dia (12.00mm)	0.346" (8.80mm)
490-4683-2-ND	PKLCS1212E4001-R1	Murata Electronics	AUDIO PIEZO TRANSDUCER 25V SMD	122 000 - Immediate Available: 122 000	$0,65052	1 000 Minimum: 1 000	Tape & Reel (TR) Alternate Packaging	PK	Active	Transducer, Externally Driven	Zero-Peak Signal	1,5V	25V (Max)	4kHz	Piezo	Single Tone	-	84dB @ 1.5V, 10cm	-	Side	-20°C ~ 70°C	-	-	-	Surface Mount	Solder Pads	0.472" L x 0.472" W (12.00mm x 12.00mm)	0.118" (3.00mm)
490-4683-1-ND	PKLCS1212E4001-R1	Murata Electronics	AUDIO PIEZO TRANSDUCER 25V SMD	122 220 - Immediate Available: 122 220	$1,18000	1 Minimum: 1	Cut Tape (CT) Alternate Packaging	PK	Active	Transducer, Externally Driven	Zero-Peak Signal	1,5V	25V (Max)	4kHz	Piezo	Single Tone	-	84dB @ 1.5V, 10cm	-	Side	-20°C ~ 70°C	-	-	-	Surface Mount	Solder Pads	0.472" L x 0.472" W (12.00mm x 12.00mm)	0.118" (3.00mm)
490-4683-6-ND	PKLCS1212E4001-R1	Murata Electronics	AUDIO PIEZO TRANSDUCER 25V SMD	122 220 - Immediate Available: 122 220	Digi-Reel®	1 Minimum: 1	Digi-Reel® Alternate Packaging	PK	Active	Transducer, Externally Driven	Zero-Peak Signal	1,5V	25V (Max)	4kHz	Piezo	Single Tone	-	84dB @ 1.5V, 10cm	-	Side	-20°C ~ 70°C	-	-	-	Surface Mount	Solder Pads	0.472" L x 0.472" W (12.00mm x 12.00mm)	0.118" (3.00mm)
490-5262-2-ND	PKLCS1212E40A1-R1	Murata Electronics	AUDIO PIEZO TRANSDUCER 25V SMD	13 000 - Immediate Available: 13 000	$0,65768	1 000 Minimum: 1 000	Tape & Reel (TR) Alternate Packaging	PK	Active	Transducer, Externally Driven	Zero-Peak Signal	1,5V	25V (Max)	4kHz	Piezo	Single Tone	-	75dB @ 1.5V, 10cm	-	Side	-40°C ~ 85°C	-	-	-	Surface Mount	Solder Pads	0.472" L x 0.472" W (12.00mm x 12.00mm)	0.118" (3.00mm)
490-5262-1-ND	PKLCS1212E40A1-R1	Murata Electronics	AUDIO PIEZO TRANSDUCER 25V SMD	13 546 - Immediate Available: 13 546	$1,20000	1 Minimum: 1	Cut Tape (CT) Alternate Packaging	PK	Active	Transducer, Externally Driven	Zero-Peak Signal	1,5V	25V (Max)	4kHz	Piezo	Single Tone	-	75dB @ 1.5V, 10cm	-	Side	-40°C ~ 85°C	-	-	-	Surface Mount	Solder Pads	0.472" L x 0.472" W (12.00mm x 12.00mm)	0.118" (3.00mm)
490-5262-6-ND	PKLCS1212E40A1-R1	Murata Electronics	AUDIO PIEZO TRANSDUCER 25V SMD	13 546 - Immediate Available: 13 546	Digi-Reel®	1 Minimum: 1	Digi-Reel® Alternate Packaging	PK	Active	Transducer, Externally Driven	Zero-Peak Signal	1,5V	25V (Max)	4kHz	Piezo	Single Tone	-	75dB @ 1.5V, 10cm	-	Side	-40°C ~ 85°C	-	-	-	Surface Mount	Solder Pads	0.472" L x 0.472" W (12.00mm x 12.00mm)	0.118" (3.00mm)
668-1470-ND	AT-1224-TWT-5V-2-R	PUI Audio, Inc.	AUDIO MAGNETIC XDCR 3-7V TH	78 097 - Immediate Available: 78 097	$0,70000	1 Minimum: 1	Tray	AT	Active	Transducer, Externally Driven	Zero-Peak Signal	5V	3 ~ 7V	2.4kHz	Electromechanical/Magnetic	Single Tone	-	87dB @ 5V, 10cm	40mA	Top	-30°C ~ 70°C	-	Washable	-	Through Hole	PC Pins	0.472" Dia (12.00mm)	0.366" (9.30mm)
490-4692-ND	PKM22EPPH4001-B0	Murata Electronics	AUDIO PIEZO TRANSDUCER 30V TH	16 624 - Immediate Available: 16 624	$0,72000	1 Minimum: 1	Bulk	PK	Active	Transducer, Externally Driven	Zero-Peak Signal	1,5V	30V (Max)	4kHz	Piezo	Ringer	-	75dB @ 1.5V, 10cm	-	Top	-20°C ~ 70°C	-	-	-	Through Hole	PC Pins	0.866" Dia (22.00mm)	0.343" (8.70mm)
490-5260-2-ND	PKLCS1212E2000-R1	Murata Electronics	AUDIO PIEZO TRANSDUCER 12.5V SMD	23 000 - Immediate Available: 23 000	$0,75438	1 000 Minimum: 1 000	Tape & Reel (TR) Alternate Packaging	PK	Active	Transducer, Externally Driven	Zero-Peak Signal	1,5V	12.5V (Max)	2kHz	Piezo	Single Tone	-	70dB @ 1.5V, 10cm	-	Side	-20°C ~ 70°C	-	-	-	Surface Mount	Solder Pads	0.472" L x 0.472" W (12.00mm x 12.00mm)	0.118" (3.00mm)
490-5260-1-ND	PKLCS1212E2000-R1	Murata Electronics	AUDIO PIEZO TRANSDUCER 12.5V SMD	23 400 - Immediate Available: 23 400	$1,37000	1 Minimum: 1	Cut Tape (CT) Alternate Packaging	PK	Active	Transducer, Externally Driven	Zero-Peak Signal	1,5V	12.5V (Max)	2kHz	Piezo	Single Tone	-	70dB @ 1.5V, 10cm	-	Side	-20°C ~ 70°C	-	-	-	Surface Mount	Solder Pads	0.472" L x 0.472" W (12.00mm x 12.00mm)	0.118" (3.00mm)
490-5260-6-ND	PKLCS1212E2000-R1	Murata Electronics	AUDIO PIEZO TRANSDUCER 12.5V SMD	23 400 - Immediate Available: 23 400	Digi-Reel®	1 Minimum: 1	Digi-Reel® Alternate Packaging	PK	Active	Transducer, Externally Driven	Zero-Peak Signal	1,5V	12.5V (Max)	2kHz	Piezo	Single Tone	-	70dB @ 1.5V, 10cm	-	Side	-20°C ~ 70°C	-	-	-	Surface Mount	Solder Pads	0.472" L x 0.472" W (12.00mm x 12.00mm)	0.118" (3.00mm)
102-CPT-1625-80-SMT-TR-ND	CPT-1625-80-SMT-TR	CUI Devices	BUZZER, 16.8 MM X 13 MM X 2.5 MM	4 000 - Immediate Available: 4 000	$0,79135	1 000 Minimum: 1 000	Tape & Reel (TR) Alternate Packaging	CPT	Active	Transducer, Externally Driven	Peak-Peak Signal	5V	1 ~ 25V	4.1kHz	Piezo	-	-	80dB @ 5V, 10cm	3mA	Side	-40°C ~ 85°C	-	-	-	Surface Mount	Solder Pads	0.512" L x 0.512" W (13.00mm x 13.00mm)	0.118" (3.00mm)
102-CPT-1625-80-SMT-CT-ND	CPT-1625-80-SMT-TR	CUI Devices	BUZZER, 16.8 MM X 13 MM X 2.5 MM	5 460 - Immediate Available: 5 460	$1,41000	1 Minimum: 1	Cut Tape (CT) Alternate Packaging	CPT	Active	Transducer, Externally Driven	Peak-Peak Signal	5V	1 ~ 25V	4.1kHz	Piezo	-	-	80dB @ 5V, 10cm	3mA	Side	-40°C ~ 85°C	-	-	-	Surface Mount	Solder Pads	0.512" L x 0.512" W (13.00mm x 13.00mm)	0.118" (3.00mm)
102-CPT-1625-80-SMT-DKR-ND	CPT-1625-80-SMT-TR	CUI Devices	BUZZER, 16.8 MM X 13 MM X 2.5 MM	5 460 - Immediate Available: 5 460	Digi-Reel®	1 Minimum: 1	Digi-Reel® Alternate Packaging	CPT	Active	Transducer, Externally Driven	Peak-Peak Signal	5V	1 ~ 25V	4.1kHz	Piezo	-	-	80dB @ 5V, 10cm	3mA	Side	-40°C ~ 85°C	-	-	-	Surface Mount	Solder Pads	0.512" L x 0.512" W (13.00mm x 13.00mm)	0.118" (3.00mm)
102-CMT-7525-80-SMT-TR-ND	CMT-7525-80-SMT-TR	CUI Devices	BUZZER MAGN 3.6V 7.5X7.5MM SMD	8 000 - Immediate Available: 8 000	$0,82061	2 000 Minimum: 2 000	Tape & Reel (TR) Alternate Packaging	CMT	Active	Transducer, Externally Driven	Zero-Peak Signal	3,6V	2.5 ~ 4.5V	2.73kHz	Magnetic	-	-	80dB @ 3.6V, 10cm	100mA	Side	-40°C ~ 85°C	-	-	-	Surface Mount	Solder Pads	0.295" L x 0.295" W (7.50mm x 7.50mm)	0.106" (2.70mm)