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. 171-0886
BrandRS PRO
R 8.117
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
R 8.274
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. 805-5301
Mfr. Part No.SMA-21LV-P15
BrandSonitron
R 153.30
Each
units
- 2V dc 6V dc 87dB Internal Continuous 21mm 21mm 21mm 9.5mm 21 x 21 x 9.5mm -20°C +70°C 3kHz
RS stock no. 622-1427
BrandRS PRO
R 13.78
Each
units
Panel Mount - 1V ac 108dB External Continuous 22.5mm - - 3.2mm 22.5 (Dia.) x 3.2mm -30°C +85°C 1kHz
RS stock no. 767-5355
BrandRS PRO
R 32.40
Each
units
Surface Mount - 150V ac 95dB External Sounder 54.5mm - - 23mm 54.5 x 23mm -20°C +60°C 3.5kHz
RS stock no. 511-7620
BrandRS PRO
R 23.17
Each
units
Through Hole 3V dc 16V dc 80dB Internal Continuous 13.8mm - - 11.5mm 13.8 (Dia.) x 11.5mm -20°C +70°C 4.5kHz
RS stock no. 171-0858
BrandRS PRO
R 21.792
Each (In a Tray of 100)
units
Through Hole 3V dc 16V dc 80dB Internal Continuous 13.8mm - - 11.5mm 13.8 (Dia.) x 11.5mm -20°C +70°C 4.5kHz
RS stock no. 617-3097
BrandRS PRO
R 38.77
Each
units
Panel Mount 1.5V dc 20V dc 96dB Internal Continuous 41.8mm - - 16mm 41.8 x 16mm -20°C +60°C 3.3kHz
RS stock no. 171-0870
BrandRS PRO
R 38.617
Each (In a Tray of 49)
units
Panel Mount 1.5V dc 20V dc 96dB Internal Continuous 41.8mm - - 16mm 41.8 x 16mm -20°C +60°C 3.3kHz
RS stock no. 112-1099
Mfr. Part No.7BB-20-3
R 9.417
Each (In a Pack of 10)
units
Surface Mount - - - External Diaphragm 20mm - - 0.22mm 20 (Dia.) x 0.22mm -10°C +40°C 3.6kHz
RS stock no. 721-4940
Mfr. Part No.7BB-20-6
BrandMurata
R 5.697
Each (In a Pack of 10)
units
Surface Mount - 3V ac - External Diaphragm 20mm - - 0.42mm 20 x 0.42mm - - 6.9kHz
RS stock no. 166-9823
Mfr. Part No.7BB-20-3
R 12,294.66
1 Bag of 3000
Bag(s)
Surface Mount - - - External Diaphragm 20mm - - 0.22mm 20 (Dia.) x 0.22mm -10°C +40°C 3.6kHz
RS stock no. 622-1578
BrandRS PRO
R 26.88
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. 721-4944
Mfr. Part No.7BB-35-3
BrandMurata
R 9.36
Each (In a Pack of 10)
units
Surface Mount - 3V ac - External Diaphragm 35mm - - 0.53mm 35 x 0.53mm - - 3.3kHz
RS stock no. 535-8253
BrandRS PRO
R 17.51
Each
units
Through Hole 3V dc 20V dc 70dB Internal Continuous 13.7mm - - 7.6mm 13.7 (Dia.) x 7.6mm -20°C +70°C 4.6kHz
RS stock no. 166-9600
Mfr. Part No.PKLCS1212E40A1-R1
BrandMurata
R 13.86
Each (On a Reel of 1000)
units
Surface Mount - 25V 75dB External Sounder - 12mm 12mm 3mm 12 x 12mm -40°C +85°C 4kHz
RS stock no. 721-4928
Mfr. Part No.PKLCS1212E40A1-R1
BrandMurata
R 20.792
Each (In a Pack of 5)
units
Surface Mount - 25V 75dB External Sounder - 12mm 12mm 3mm 12 x 12mm -40°C +85°C 4kHz
RS stock no. 622-1499
BrandRS PRO
R 46.93
Each
units
Panel Mount 3V dc 20V dc 73dB Internal Continuous 23.8mm 34mm - 14.5mm 23.8 (Dia.) x 14.5mm -30°C +85°C 3.6kHz
RS stock no. 535-8073
BrandRS PRO
R 57.94
1 Bag of 5
Bag(s)
Panel Mount - 30V ac 92dB External Continuous - 40mm 29.5mm 5.2mm 40 x 29.5 x 5.2mm -30°C +80°C 2.8kHz
RS stock no. 535-8405
BrandRS PRO
R 189.81
Each
units
Panel Mount 6V dc 28V dc 76dB Internal Slow Pulse 37.8mm - - 23.5mm 37.8 (Dia.) x 23.5mm -30°C +85°C 4.1kHz