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. 498-6605
Mfr. Part No.PKB24SPCH3601-B0
BrandMurata
$5.39
Each
units
Through Hole 3V dc 15V dc 90dB Internal Continuous 24.3mm - - 9.7mm 24.3 (Dia.) x 9.7mm -20°C +70°C 4.1kHz
RS Stock No. 771-6890
Mfr. Part No.KPEG244
BrandKingstate
$9.49
Each
units
Panel Mount 9V dc 16V dc 80dB Internal Continuous 14mm - - 10mm 14 x 10mm -30°C +85°C 5.5kHz
RS Stock No. 660-1191
Mfr. Part No.114 068 15
BrandWerma
$83.70
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. 245-6590
Mfr. Part No.SC235AF2
BrandSonitron
$37.77
Each
units
Panel Mount 2V dc 35V dc 73dB Internal Continuous 36.5mm - - 26mm 36.5 x 26mm -40°C +85°C 2.875kHz
RS Stock No. 805-5229
Mfr. Part No.SVC 7C
BrandSonitron
$65.46
Each
units
Bracket Mount 7.5V dc 40V dc 90dB External Continuous 36.5mm - - 26mm 36.5 (Dia.) x 26mm -40°C +85°C 2.5kHz
RS Stock No. 134-7301
Mfr. Part No.PS1550L40N
BrandTDK
$1.22
Each (In a Pack of 10)
units
PCB Mount 3V ac 20V ac - External High 15mm - - 0.75mm 15 (Dia.) x 0.75mm -10°C +70°C 5kHz
RS Stock No. 102-3543
Mfr. Part No.SC235B
BrandSonitron
$42.47
Each
units
Panel Mount 2V dc 35V dc 87dB Internal Continuous 36.5mm - - 26mm 36.5 x 26mm -40°C +75°C 4.025kHz
RS Stock No. 144-6628
Mfr. Part No.PKMCS1818E20A0-R1
BrandMurata
$2.418
Each (On a Tape of 250)
units
Surface Mount - 18V 100dB External Buzzer - 18mm 18mm 7.9mm 18 x 18 x 7.9mm -40°C +105°C 2kHz
RS Stock No. 245-6499
Mfr. Part No.SMA-21LC-P10
BrandSonitron
$12.18
Each
units
Through Hole 1.5V dc 15V dc 91dB Internal Continuous - 21mm 21mm 9.5mm 21 x 21 x 9.5mm -20°C +70°C 3.815kHz
RS Stock No. 134-7298
Mfr. Part No.PS1420P02CT
BrandTDK
$1.02
Each (In a Pack of 10)
units
PCB Mount 5V ac 30V ac - External Low 14mm - - 11mm 14 (Dia.) x 11mm -10°C +70°C 2kHz
RS Stock No. 294-5731
Mfr. Part No.SMA-21LTP17.5
BrandSonitron
$7.63
Each
units
Through Hole 1.5V dc 15V dc 90dB Internal Multifunction - 17.5mm 17.5mm 8.5mm 17.5 x 17.5 x 8.5mm -20°C +70°C 3.515kHz
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