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. 771-6901
BrandRS Pro
TWD333
Each
units
Panel Mount 6V dc 28V dc 80dB Internal Continuous 42.5mm - - 33mm 42.5 x 33mm -30°C +85°C 3.3kHz
RS Stock No. 805-5297
Mfr. Part No.Bracket
BrandSonitron
TWD357
Each
units
Screw Mount - - - - - - 63.5mm 25.4mm - 63.5 x 25.4mm - - -
RS Stock No. 171-0850
BrandRS Pro
TWD58
Each (In a Tray of 50)
units
Through Hole 3V dc 30V dc 95dB Internal Continuous 23.5mm - - 9.5mm 23.5 (Dia.) x 9.5mm -20°C +70°C 3.9kHz
RS Stock No. 457-055
BrandRS Pro
TWD47
Each (In a Pack of 5)
units
Through Hole 3V dc 30V dc 95dB Internal Continuous 23.5mm - - 9.5mm 23.5 (Dia.) x 9.5mm -20°C +70°C 3.9kHz
RS Stock No. 805-5301
Mfr. Part No.SMA-21LV-P15
BrandSonitron
TWD308
Each
units
Surface Mount 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. 166-9511
Mfr. Part No.PKM17EPP-2002-B0
BrandMurata
TWD26,625
1 Bag of 1000
Bag(s)
Through Hole - 25V dc 70dB External Sounder 17mm - - 8.6mm 17 (Dia.) x 8.6mm -20°C +70°C 2kHz
RS Stock No. 771-6910
BrandRS Pro
TWD35
Each (In a Bag of 5)
units
Through Hole 1V ac 20V ac 85dB External Square Wave 12mm - - 5.5mm 12 x 5.5mm -20°C +60°C 4kHz
RS Stock No. 106-5395
Mfr. Part No.PKM17EPP-2002-B0
BrandMurata
TWD23
Each (In a Pack of 5)
units
Through Hole - 25V dc 70dB External Sounder 17mm - - 8.6mm 17 (Dia.) x 8.6mm -20°C +70°C 2kHz
RS Stock No. 535-8398
BrandRS Pro
TWD230
Each
units
Panel Mount 4V dc 28V dc 85dB Internal Continuous 36.5mm - - 23.5mm 36.5 (Dia.) x 23.5mm -30°C +85°C 4.1kHz
RS Stock No. 535-8297
BrandRS Pro
TWD289
Each
units
Panel Mount 6V dc 14V dc 85dB Internal Continuous - 39mm 25.6mm 16mm 39 x 25.6 x 16mm -30°C +85°C 3.3kHz
RS Stock No. 171-0888
BrandRS Pro
TWD240
Each (In a Tray of 30)
units
Panel Mount 4V dc 28V dc 97dB Internal Continuous 43mm - - 20mm 43 (Dia.) x 20mm -20°C +60°C 3.3kHz
RS Stock No. 724-3172
BrandRS Pro
TWD149
Each
units
Panel Mount 4V dc 28V dc 97dB Internal Continuous 43mm - - 20mm 43 (Dia.) x 20mm -20°C +60°C 3.3kHz
RS Stock No. 172-7043
Mfr. Part No.SCR535B
BrandSonitron
TWD712
Each
units
Panel Mount 5V dc 35V dc 84dB Internal Multifunction 36.5mm - - 26mm 36.5 (Dia.) x 26mm -35°C +75°C 4.025kHz
RS Stock No. 112-1099
Mfr. Part No.7BB-20-3
TWD12
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. 871-2029
Mfr. Part No.7BB-27-4
BrandMurata
TWD25
Each (In a Bag of 5)
units
Surface Mount - - - External Diaphragm 27mm - - 0.54mm 27 (Dia.) x 0.54mm -10°C +40°C 4.6kHz
RS Stock No. 167-4876
Mfr. Part No.7BB-27-4
BrandMurata
TWD25,109
1 Bag of 1500
Bag(s)
- - - - External Diaphragm 27mm - - 0.54mm 27 (Dia.) x 0.54mm -10°C +40°C 4.6kHz
RS Stock No. 166-9823
Mfr. Part No.7BB-20-3
TWD35,239
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. 754-2009
BrandRS Pro
TWD70
Each
units
Panel Mount 3V dc 18V dc 96dB Internal Continuous 33.7mm - - 14.5mm 33.7 (Dia.) x 14.5mm -30°C +85°C 4kHz
RS Stock No. 535-8499
BrandRS Pro
TWD255
Each
units
Panel Mount 6V dc 28V dc 80dB Internal Slow Pulse 42.5mm - - 33mm 42.5 (Dia.) x 33mm -30°C +85°C 3.3kHz
RS Stock No. 721-4944
Mfr. Part No.7BB-35-3
BrandMurata
TWD28
Each (In a Pack of 10)
units
Surface Mount - 3V ac - External Diaphragm 35mm - - 0.53mm 35 x 0.53mm - - 3.3kHz