Piezo Buzzer Components

Piezo buzzer components are parts used in the construction and alteration of piezo buzzers. A piezo buzzer is an audio signalling device powered using piezoelectricity, which is created using a material that generates an electric charge when placed under mechanical stress. Piezo buzzers were invented by Japanese manufacturers.

How do piezo buzzers work?

Piezo buzzers have a piezoelectric element which is driven by a source such as an oscillating electronic circuit. A piezoelectronic amplifier will then make the click, ring or beep produced by the buzzer louder.

Types of piezo buzzer components

Piezo buzzer components can vary in a number of different ways. They differ in their mounting style, the volume of sound they can produce, and their size. Piezo buzzers can be mounted in a range of ways, from bracket, to panel mount, to surface mount. They can have a volume range of anywhere from 60 to 1150 decibels, and sometimes beyond.


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Description Price Mounting Type Minimum Supply Voltage Maximum Supply Voltage Sound Level Drive Type Tone Type Diameter Length Depth Height Dimensions Minimum Operating Temperature Maximum Operating Temperature Maximum Frequency
RS Stock No. 535-8269
BrandRS PRO
HK$27.55
Each
units
Panel Mount 4V dc 28V dc 82dB Internal Fast Pulse 28mm 39.5mm 28mm 25.4mm 39.5 x 28 x 25.4mm -30°C +85°C 4kHz
RS Stock No. 457-027
BrandRS PRO
HK$31.34
Each (In a Pack of 5)
units
Panel Mount 1.5V dc 28V dc 95dB Internal Continuous 29.5mm 41mm - 24.5mm 29.5 (Dia.) x 24.5mm -20°C +60°C 4kHz
RS Stock No. 171-0845
BrandRS PRO
HK$19.523
Each (In a Tray of 100)
units
Panel Mount 1.5V dc 28V dc 95dB Internal Continuous 29.5mm 41mm - 24.5mm 29.5 (Dia.) x 24.5mm -20°C +60°C 4kHz
RS Stock No. 244-8498
Mfr. Part No.SP27
BrandSonitron
HK$238.10
Each
units
Panel Mount 4V dc 16V dc 94dB Internal Continuous 36.5mm - 19mm 19mm 35.5 x 8mm -40°C +75°C 4.025kHz
RS Stock No. 535-8168
BrandRS PRO
HK$7.53
Each (In a Bag of 5)
units
Panel Mount - 30V ac 80dB External Continuous 13mm - - 2.5mm 13 (Dia.) x 2.5mm -30°C +85°C 4.8kHz
RS Stock No. 245-6455
Mfr. Part No.SMA-21-S
BrandSonitron
HK$60.37
Each
units
Surface Mount 1.5V dc 24V dc 85dB Internal Continuous - 21mm 21mm 9.5mm 21 x 21 9.5mm -20°C +70°C 3.795kHz
RS Stock No. 114-6876
Mfr. Part No.SC 0715 BL
BrandSonitron
HK$126.86
Each
units
Panel Mount 0.7V dc 15V dc 98dB Internal Continuous 36.5mm - - 33.5mm 36.5 x 33mm -35°C +75°C 4.025kHz
RS Stock No. 171-0886
BrandRS PRO
HK$4.885
Each (In a Tray of 50)
units
Surface Mount - 30V ac - External Diaphragm 27mm - - 0.52mm 27 (Dia.) x 0.52mm -20°C +60°C 4.7kHz
RS Stock No. 724-3162
BrandRS PRO
HK$4.896
Each (In a Pack of 5)
units
Surface Mount - 30V ac - External Diaphragm 27mm - - 0.52mm 27 (Dia.) x 0.52mm -20°C +60°C 4.7kHz
RS Stock No. 660-1191
Mfr. Part No.114 068 15
BrandWerma
HK$406.46
Each
units
Panel Mount - 24V dc 85dB Internal Continuous 42.5mm - - 29.8mm 42.5 x 29.8mm -20°C +60°C 2.4kHz
RS Stock No. 245-6461
Mfr. Part No.SMA-13-P7.5
BrandSonitron
HK$37.52
Each
units
Through Hole 1.5V dc 24V dc 75dB Internal Continuous - 13.9mm 13.9mm 6mm 13.9 x 13.9 x 6mm -20°C +70°C 3.45kHz
RS Stock No. 535-8174
BrandRS PRO
HK$8.00
Each (In a Bag of 5)
units
Through Hole - 20V ac 80dB External Continuous 13.7mm - - 7.6mm 13.7 (Dia.) x 7.6mm -20°C +70°C 4kHz
RS Stock No. 189-5023
Mfr. Part No.SMA-21-P17,5
BrandSonitron
HK$32.39
Each
units
Through Hole 1.5V dc 15V dc 85dB Internal Continuous - 21mm 21mm 9.5mm 21 x 21 x 9.5mm -20°C +70°C 3.315kHz
RS Stock No. 511-7670
BrandRS PRO
HK$23.45
Each
units
Through Hole 1V ac 20V ac 80dB External Continuous 13.8mm - - 6.8mm 13.8 (Dia.) x 6.8mm -20°C +70°C 4.5kHz
RS Stock No. 535-8275
BrandRS PRO
HK$18.14
Each
units
Panel Mount 3V dc 28V dc 85dB Internal Continuous 32mm 44mm 13.5mm 13.5mm 32 (Dia.) x 13.5mm -30°C +85°C 4kHz
RS Stock No. 171-0863
BrandRS PRO
HK$7.459
Each (In a Tray of 100)
units
Through Hole 1V ac 20V ac 80dB External Continuous 13.8mm - - 6.8mm 13.8 (Dia.) x 6.8mm -20°C +70°C 4.5kHz
RS Stock No. 622-1584
BrandRS PRO
HK$20.84
Each
units
Surface Mount - 30V ac - External Sounder 50mm - - 2.2mm 50 (Dia.) x 2.2mm -20°C +70°C 1.4kHz
RS Stock No. 622-1578
BrandRS PRO
HK$22.16
Each
units
Panel Mount 3V dc 28V dc 85dB Internal Continuous 28mm 33.5mm - 25.4mm 28 (Dia.) x 24.4mm -30°C +85°C 3kHz
RS Stock No. 535-8130
Mfr. Part No.KPEG153
BrandKingstate
HK$8.622
Each (In a Bag of 5)
units
Through Hole - 30V ac 82dB External Continuous 17mm - - 7.6mm 17 (Dia.) x 7.6mm -30°C +105°C 4kHz
RS Stock No. 245-6449
Mfr. Part No.SMA-13-S
BrandSonitron
HK$51.31
Each
units
Surface Mount 1.5V dc 24V dc 75dB Internal Continuous - 14mm 14mm 6.5mm 14 x 14 x 6.5mm -20°C +70°C 3.45kHz
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