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. 516-8252
Mfr. Part No.PKM22EPPH4001-B0
BrandMurata
$1.194
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. 767-5351
BrandRS PRO
$11.98
Each
units
Surface Mount 6V dc 14V dc 102dB Internal Siren - 47mm 39mm 22.8mm 47 x 39 x 22.8mm -10°C +60°C 3.5kHz
RS Stock No. 622-1449
BrandRS PRO
$7.67
Each
units
Flange Mount 20V dc 28V dc 76dB Internal Continuous 26mm - - 15.55mm 32 x 17 x 15.55mm -20°C +60°C -
RS Stock No. 535-8089
BrandRS PRO
$1.04
Each (In a Bag of 5)
units
Through Hole 3V dc 28V dc 83dB Internal Continuous 28.6mm - - 7.5mm 28.6 (Dia.) x 7.5mm -30°C +85°C 3.5kHz
RS Stock No. 660-1191
Mfr. Part No.114 068 15
BrandWerma
$77.10
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. 771-6904
BrandRS PRO
$5.09
Each
units
Panel Mount 4V dc 28V dc 87dB Internal Slow Pulse 28mm - - 25.4mm 28 x 25.4mm -30°C +85°C 4kHz
RS Stock No. 535-8449
BrandRS PRO
$1.532
Each (In a Bag of 5)
units
Through Hole 1V 2V 70dB External - 12mm - - 5.5mm 12 (Dia.) x 5.5mm -20°C +60°C 2.048kHz
RS Stock No. 771-6913
BrandRS PRO
$2.562
Each (In a Bag of 5)
units
Panel Mount - 30V 80dB External Square Wave 16.5mm - - 4mm 16.5 x 4mm -30°C +85°C 5kHz
RS Stock No. 171-0855
BrandRS PRO
$6.615
Each (In a Tray of 50)
units
Base Mount, Panel Mount 7V dc 12V dc ≥95dB Internal - 26.4mm - - 17.6mm 26.4 x 17.6mm -20°C +60°C -
RS Stock No. 535-8477
BrandRS PRO
$34.88
Each
units
Panel Mount 60V ac/dc 250V ac/dc 87dB Internal Continuous 42.5mm - - 33mm 42.5 (Dia.) x 33mm -30°C +85°C 3.3kHz
RS Stock No. 245-6455
Mfr. Part No.SMA-21-S
BrandSonitron
$12.67
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. 535-8297
BrandRS PRO
$11.97
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. 111-8178
BrandRS PRO
$13.54
Each
units
Base Mount, Panel Mount 7V dc 12V dc 95dB Internal - 26.4mm - - 17.6mm 26.4 x 17.6mm -20°C +60°C -
RS Stock No. 303-0098
Mfr. Part No.KX-1606
BrandKingstate
$4.66
Each
units
Through Hole 3V dc 12V dc 85dB External High, Square Wave 16mm - - 14mm 16 (Dia.) x 14mm -30°C +85°C 2.248kHz
RS Stock No. 622-1556
BrandRS PRO
$33.01
Each
units
Panel Mount 6V dc 28V dc 92dB Internal Continuous, Fast Pulse 42.5mm - - 33mm 42.5 (Dia.) x 42.5mm -30°C +85°C 3.3kHz
RS Stock No. 535-8461
BrandRS PRO
$31.71
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. 171-0898
BrandRS PRO
$2.111
Each (In a Tray of 100)
units
Through Hole - 5V ac 85dB External Continuous 12mm - - 9mm 12 x 9mm -20°C +75°C 2.9kHz
RS Stock No. 238-050
BrandRS PRO
$3.64
Each
units
Through Hole 3V dc 20V dc 78dB Internal Continuous 23.8mm - - 16mm 23.8 (Dia.) x 16mm -30°C +85°C 3.4kHz
RS Stock No. 516-7653
Mfr. Part No.PKM13EPYH4000-A0
BrandMurata
$0.842
Each (In a Bag of 5)
units
Through Hole - 30V 70dB External Continuous 12.6mm - - 6mm 12.6 x 6mm -40°C +85°C 4kHz
RS Stock No. 871-2029
Mfr. Part No.7BB-27-4
BrandMurata
$1.15
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