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. 178-4024
Mfr. Part No.SMA-24L-P175
BrandSonitron
$18.51
Each
units
Through Hole 1.5V dc 15V dc 98dB Internal Continuous 24mm 24mm 24mm 15.5mm 24 x 24 x 15.5mm -20°C +70°C 3.45kHz
RS Stock No. 245-6455
Mfr. Part No.SMA-21-S
BrandSonitron
$12.59
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. 245-6461
Mfr. Part No.SMA-13-P7.5
BrandSonitron
$7.57
Each
units
Through Hole 1.5V dc 24V dc 75dB Internal Continuous - 13.9mm 13.9mm 6mm 13.9 x 13.9 x 6mm -20°C +70°C 3.45kHz
RS Stock No. 805-5301
Mfr. Part No.SMA-21LV-P15
BrandSonitron
$21.62
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. 244-8498
Mfr. Part No.SP27
BrandSonitron
$48.08
Each
units
Panel Mount 4V dc 16V dc 94dB Internal Continuous 36.5mm - 19mm 19mm 35.5 x 8mm -40°C +75°C 4.025kHz
RS Stock No. 102-3543
Mfr. Part No.SC 235B
BrandSonitron
$43.65
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. 245-6629
Mfr. Part No.SCI535B1-BLACK
BrandSonitron
$44.80
Each
units
Panel Mount 5V dc 35V dc 86dB Internal Multifunction 36.5mm - - 26mm 36.5 x 26mm -40°C +85°C 4.025kHz
RS Stock No. 203-0198
Mfr. Part No.SC-235-A
BrandSonitron
$39.18
Each
units
Panel Mount 2V dc 35V dc 73dB Internal Continuous 36.5mm - - 26mm 36.5 x 26mm -35°C +75°C 2.875kHz
RS Stock No. 245-6607
Mfr. Part No.SC235BF2
BrandSonitron
$37.87
Each
units
Panel Mount 2V dc 35V dc 87dB Internal Continuous 36.5mm - - 26mm 36.5 x 26mm -40°C +80°C 4.025kHz
RS Stock No. 172-7043
Mfr. Part No.SCR535B
BrandSonitron
$47.41
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. 805-5257
Mfr. Part No.SRA 80I B5
BrandSonitron
$68.60
Each
units
Panel Mount 5V dc 80V dc 95dB External Slow Pulse 36.5mm - - 44mm 36.5 (Dia.) x 44mm -40°C +85°C 3.5kHz
RS Stock No. 189-5023
Mfr. Part No.SMA-21-P17,5
BrandSonitron
$6.76
Each
units
Through Hole 1.5V dc 24V dc 85dB Internal Continuous - 21mm 21mm 9.5mm 21 x 21 x 9.5mm -20°C +70°C 3.315kHz
RS Stock No. 245-6590
Mfr. Part No.SC235AF2
BrandSonitron
$35.35
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. 805-5247
Mfr. Part No.SRA 80I A1
BrandSonitron
$70.66
Each
units
Panel Mount 5V dc 80V dc 94dB External Slow Pulse 36.5mm - - 44mm 36.5 (Dia.) x 44mm -40°C +85°C 2.5kHz
RS Stock No. 805-5291
Mfr. Part No.SP7 F2
BrandSonitron
$49.57
Each
units
Panel Mount 0.7V dc 15V dc 71dB External Continuous 36.5mm - - 26mm 36.5 (Dia.) x 26mm -40°C +85°C 3.5kHz
RS Stock No. 245-6449
Mfr. Part No.SMA-13-S
BrandSonitron
$10.51
Each
units
Surface Mount 1.5V dc 24V dc 75dB Internal Continuous - 14mm 14mm 6.5mm 14 x 14 x 6.5mm -20°C +70°C 3.45kHz
RS Stock No. 245-6613
Mfr. Part No.SC135B1
BrandSonitron
$47.04
Each
units
Panel Mount 5V dc 35V dc 86dB Internal Multifunction 36.5mm - - 26mm 36.5 x 26mm -40°C +85°C 4.025kHz
RS Stock No. 244-8505
Mfr. Part No.SP27-GREY
BrandSonitron
$38.66
Each
units
Panel Mount 3.5V dc 9V dc 94dB Internal Continuous 36.5mm - - 19mm 36.5 x 19mm -40°C +85°C 4.025kHz
RS Stock No. 245-6562
Mfr. Part No.SC235A-BLACK
BrandSonitron
$37.86
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. 805-5241
Mfr. Part No.SRA 80I A5
BrandSonitron
$63.35
Each
units
Panel Mount 5V dc 80V dc 94dB External Slow Pulse 36.5mm - - 44mm 36.5 (Dia.) x 44mm -40°C +85°C 2.5kHz