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. 245-6641
Mfr. Part No.SMAT-21-P10
BrandSonitron
SGD2.94
Each
units
Through Hole 0V ac 30V ac 90dB External Continuous - 21mm 21mm 9.5mm 21 x 21 x 9.5mm -20°C +70°C 5kHz
RS Stock No. 653-0658
Mfr. Part No.PKM22EPTH2001-B0
BrandMurata
SGD1.448
Each (In a Pack of 5)
units
Through Hole - 25V ac 70dB External Continuous - 22mm 7mm 26.5mm 22 x 7 x 26.5mm -20°C +70°C 2kHz
RS Stock No. 161-8047
Mfr. Part No.PKLCS1212E24A0-R1
BrandMurata
SGD1.414
Each (On a Reel of 1000)
units
Surface Mount -12.5V dc 12.5V dc 75dB External Sounder - 12mm 12mm 3mm 12 x 12 x 3mm -40°C +85°C 2.4kHz
RS Stock No. 134-7282
Mfr. Part No.PS1920P02
BrandTDK
SGD0.96
Each (On a Reel of 600)
units
PCB Mount 10V ac 20V ac - External Low 23mm - - 10.5mm 23 (Dia.) x 10.5mm -10°C +70°C 2kHz
RS Stock No. 245-6499
Mfr. Part No.SMA-21LC-P10
BrandSonitron
SGD9.65
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. 805-5231
Mfr. Part No.SVC 15C
BrandSonitron
SGD70.91
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. 134-7303
Mfr. Part No.PS1720P02
BrandTDK
SGD0.77
Each (In a Pack of 10)
units
PCB Mount 3V ac 30V ac - External Low 17mm - - 8mm 17 (Dia.) x 8mm -10°C +70°C 2kHz
RS Stock No. 134-7277
Mfr. Part No.PS1420P02CT
BrandTDK
SGD0.569
Each (On a Reel of 1750)
units
PCB Mount 5V ac 30V ac - External Low 14mm - - 11mm 14 (Dia.) x 11mm -10°C +70°C 2kHz
RS Stock No. 249-2603
Mfr. Part No.KPE218
BrandKingstate
SGD7.87
Each
units
Through Hole 3V dc 20V dc 88dB Internal Continuous 24mm - - 17.5mm 24 x 17.5mm -30°C +85°C 4.3kHz
RS Stock No. 805-5253
Mfr. Part No.SRA 80I B1
BrandSonitron
SGD63.04
Each
units
Panel Mount 5V dc 80V dc 95dB Internal Slow Pulse 36.5mm - - 44mm 36.5 (Dia.) x 44mm -40°C +85°C 3.5kHz
RS Stock No. 805-5288
Mfr. Part No.SAP-1302-A-W
BrandSonitron
SGD233.82
Each
units
Screw Mount 12V dc 24V dc 112dB External Intermittent 89mm - - 34.5mm 89 (Dia.) x 34.5mm -40°C +85°C 1.6kHz
RS Stock No. 839-1051
Mfr. Part No.PKLCS1212E20A0-R1
BrandMurata
SGD2.06
Each
units
Surface Mount - 25V 70dB External - - 12mm 12mm 3mm 12 x 12 x 3mm -40°C +85°C 2kHz
RS Stock No. 102-3543
Mfr. Part No.SC 235B
BrandSonitron
SGD36.21
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. 134-7301
Mfr. Part No.PS1550L40N
BrandTDK
SGD1.124
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. 805-5244
Mfr. Part No.SRA 80C A
BrandSonitron
SGD55.48
Each
units
Panel Mount 5V dc 80V dc 93dB External Continuous 36.5mm - - 26mm 36.5 (Dia.) x 26mm -40°C +85°C 2.5kHz
RS Stock No. 244-8527
Mfr. Part No.SULM516B5F2
BrandSonitron
SGD29.79
Each
units
Panel Mount 5V dc 16V dc 96dB Internal Multifunction 36.5mm - - 26mm 36.5 x 26mm -35°C +75°C 4.025kHz
RS Stock No. 187-3537
Mfr. Part No.7BB-15-6
BrandMurata
SGD0.336
Each (In a Pack of 10)
units
Surface Mount - - - External Diaphragm 15mm - - 0.22mm 15 Dia. x 0.22mm -10°C +40°C 6kHz
RS Stock No. 805-5266
Mfr. Part No.SMAC-25-P15
BrandSonitron
SGD14.96
Each
units
Surface Mount 5V dc 16V dc 93.5dB Internal Continuous 25mm - - 18mm 25 x 18mm -40°C +85°C 3.35kHz
RS Stock No. 721-4928
Mfr. Part No.PKLCS1212E40A1-R1
BrandMurata
SGD1.596
Each (In a Pack of 5)
units
Surface Mount - 25V 75dB External Sounder - 12mm 12mm 3mm 12 x 12mm -40°C +85°C 4kHz
RS Stock No. 805-5238
Mfr. Part No.SVC 7I
BrandSonitron
SGD81.95
Each
units
Bracket Mount 7.5V dc 40V dc 90dB External Intermittent 36.5mm - - 26mm 36.5 (Dia.) x 26mm -40°C +85°C 2.5kHz