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. 112-1099
Mfr. Part No.7BB-20-3
SGD0.455
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. 245-6455
Mfr. Part No.SMA-21-S
BrandSonitron
SGD11.23
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. 535-8461
BrandRS PRO
SGD24.11
Each
units
Panel Mount 6V ac/dc 28V ac/dc 70dB Internal Fast Pulse 42.5mm - - 33mm 42.5 (Dia.) x 33mm -30°C +85°C 3.3kHz
RS Stock No. 171-0859
BrandRS PRO
SGD3.497
Each (In a Tray of 50)
units
Panel Mount 3V dc 16V dc 90dB Internal Continuous 23mm 33mm - 17mm 33 x 23 x 17mm -20°C +60°C 4.2kHz
RS Stock No. 805-5279
Mfr. Part No.SAST-2155-P
BrandSonitron
SGD30.03
Each
units
Panel Mount 0V ac 40V ac 100dB External Intermittent 54mm - - 19.6mm 54 (Dia.) x 19.6mm -40°C +85°C 3kHz
RS Stock No. 511-7636
BrandRS PRO
SGD3.86
Each
units
Panel Mount 3V dc 16V dc 90dB Internal Continuous 23mm 33mm - 17mm 33 x 23 x 17mm -20°C +60°C 4.2kHz
RS Stock No. 244-8549
Mfr. Part No.SC0715BLF2
BrandSonitron
SGD44.47
Each
units
Through Hole 0.7V dc 15V dc 98dB Internal Continuous 36.5mm - - 26mm 36.5 (Dia.) x 26mm -35°C +75°C 4.025kHz
RS Stock No. 125-3132
Mfr. Part No.PKM22EPPH4001-B0
BrandMurata
SGD0.825
Each (On a Reel of 900)
units
Through Hole - 25V 75dB External Continuous 22mm - - 7mm 22 x 7mm -20°C +70°C 4kHz
RS Stock No. 754-2015
BrandRS PRO
SGD5.72
Each
units
Panel Mount 3V dc 16V dc 102dB Internal Continuous 41.8mm 59.5mm - 22mm 41.8 (Dia.) x 22mm -30°C +85°C 3.3kHz
RS Stock No. 780-0715
BrandRS PRO
SGD2.348
Each (In a Bag of 5)
units
Through Hole 1V ac 30V ac 90dB External Continuous 41.8mm 60mm - 16mm 41.8 x 16mm -20°C +60°C 3.3kHz
RS Stock No. 516-8252
Mfr. Part No.PKM22EPPH4001-B0
BrandMurata
SGD1.308
Each (In a Bag of 5)
units
Through Hole - 25V 75dB External Continuous 22mm - - 7mm 22 x 7mm -20°C +70°C 4kHz
RS Stock No. 171-0899
BrandRS PRO
SGD2.006
Each (In a Tray of 49)
units
Through Hole 1V ac 30V ac 90dB External Continuous 41.8mm 60mm - 16mm 41.8 x 16mm -20°C +60°C 3.3kHz
RS Stock No. 901-0898
Mfr. Part No.PKMCS0909E4000-R1
BrandMurata
SGD1.648
Each (In a Bag of 5)
units
Surface Mount - ±12.5V 65dB External Sounder - 9mm 9mm 1.9mm 9 x 9 x 1.9mm -40°C +85°C 4kHz
RS Stock No. 535-8124
Mfr. Part No.KPEG146
BrandKingstate
SGD2.03
Each
units
Through Hole - 50V ac 85dB External Continuous 44mm - - 10mm 44 (Dia.) x 10mm -30°C +85°C 750Hz
RS Stock No. 724-3178
BrandRS PRO
SGD3.92
Each
units
Through Hole 5V dc 15V dc 100dB Internal Continuous 31.25mm - - 14mm 31.25 (Dia.) x 14mm -20°C +60°C 4kHz
RS Stock No. 622-1427
BrandRS PRO
SGD2.73
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. 457-065
BrandRS PRO
SGD1.386
Each (In a Pack of 5)
units
Through Hole 1V ac 30V ac 75dB External Continuous 16.5mm - - 6.7mm 16.5 (Dia.) x 6.7mm -20°C +70°C 4.5kHz
RS Stock No. 167-5001
Mfr. Part No.PKMCS0909E4000-R1
BrandMurata
SGD0.78
Each (On a Reel of 2000)
units
Surface Mount - ±12.5V 65dB External Sounder - 9mm 9mm 1.9mm 9 x 9 x 1.9mm -40°C +85°C 4kHz
RS Stock No. 171-0852
BrandRS PRO
SGD1.176
Each (In a Tray of 50)
units
- 1V ac 30V ac 75dB External Continuous 16.5mm - - 6.7mm 16.5 (Dia.) x 6.7mm -20°C +70°C 4.5kHz
RS Stock No. 171-0890
BrandRS PRO
SGD2.94
Each (In a Tray of 50)
units
Through Hole 5V dc 15V dc 100dB Internal Continuous 31.25mm - - 14mm 31.25 (Dia.) x 14mm -20°C +60°C 4kHz