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. 721-4940
Mfr. Part No.7BB-20-6
BrandMurata
R 5.697
Each (In a Pack of 10)
units
Surface Mount - 3V ac - External Diaphragm 20mm - - 0.42mm 20 x 0.42mm - - 6.9kHz
RS stock no. 721-4944
Mfr. Part No.7BB-35-3
BrandMurata
R 9.533
Each (In a Pack of 10)
units
Surface Mount - 3V ac - External Diaphragm 35mm - - 0.53mm 35 x 0.53mm - - 3.3kHz
RS stock no. 166-9600
Mfr. Part No.PKLCS1212E40A1-R1
BrandMurata
R 13.86
Each (On a Reel of 1000)
units
Surface Mount - 25V 75dB External Sounder - 12mm 12mm 3mm 12 x 12mm -40°C +85°C 4kHz
RS stock no. 721-4928
Mfr. Part No.PKLCS1212E40A1-R1
BrandMurata
R 21.214
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. 721-4947
Mfr. Part No.7BB-12-9
BrandMurata
R 3.603
Each (In a Pack of 10)
units
Surface Mount - 3V ac - External Diaphragm 12mm - - 0.22mm 12 x 0.22mm - - 10kHz
RS stock no. 125-3144
Mfr. Part No.7BB-12-9
BrandMurata
R 17,121.37
1 Reel of 5120
Reel(s)
Surface Mount - 3V ac - External Diaphragm 12mm - - 0.22mm 12 x 0.22mm - - 10kHz
RS stock no. 619-8456
Mfr. Part No.PKLCS1212E4001-R1
BrandMurata
R 18.99
Each
units
Surface Mount - 25V 75dB External Continuous - 12mm 12mm 3mm 12 x 12 x 3mm -20°C +70°C 4kHz
RS stock no. 169-2889
Mfr. Part No.PKM13EPYH4002-B0
BrandMurata
R 9,560.34
Each (In a Bag of 1980)
units
Through Hole - 30V ac 70dB External Continuous - - - 6.9mm 12.6 (Dia.) x 6.9mm -40°C +85°C 4kHz
RS stock no. 516-8268
Mfr. Part No.PKM13EPYH4002-B0
BrandMurata
R 6.062
Each (In a Bag of 5)
units
Through Hole - 30V ac 70dB External Continuous - - - 6.9mm 12.6 (Dia.) x 6.9mm -40°C +85°C 4kHz
RS stock no. 871-2029
Mfr. Part No.7BB-27-4
BrandMurata
R 11.786
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
R 7,588.50
Each (In a Bag of 1500)
units
- - - - External Diaphragm 27mm - - 0.54mm 27 (Dia.) x 0.54mm -10°C +40°C 4.6kHz
RS stock no. 125-3216
Mfr. Part No.7BB-20-6L0
BrandMurata
R 6.861
Each (On a Reel of 600)
units
Lead Wire - - - External Diaphragm 20mm - - 0.42mm 20 (Dia.) x 0.42mm -10°C +40°C 6.3kHz
RS stock no. 871-1994
Mfr. Part No.7BB-20-6L0
BrandMurata
R 15.134
Each (In a Bag of 5)
units
Lead Wire - - - External Diaphragm 20mm - - 0.42mm 20 (Dia.) x 0.42mm -10°C +40°C 6.3kHz
RS stock no. 125-3185
Mfr. Part No.7BB-35-3L0
BrandMurata
R 13.387
Each (On a Reel of 400)
units
Surface Mount - 3V ac - External Diaphragm 35mm - - 0.53mm 35 (Dia.) x 0.53mm - - 3.3kHz
RS stock no. 747-4691
Mfr. Part No.7BB-35-3L0
BrandMurata
R 12.752
Each (In a Bag of 5)
units
- - 3V ac - External Diaphragm 35mm - - 0.53mm 35 (Dia.) x 0.53mm - - 3.3kHz
RS stock no. 901-0898
Mfr. Part No.PKMCS0909E4000-R1
BrandMurata
R 20.454
Each (In a Bag of 5)
units
Surface Mount - ±12.5V 65dB External Sounder - 9mm 9mm 1.9mm 9 x 9 x 1.9mm -40°C +85°C 4kHz
RS stock no. 839-1051
Mfr. Part No.PKLCS1212E20A0-R1
BrandMurata
R 12.82
Each
units
Surface Mount - 25V 70dB External - - 12mm 12mm 3mm 12 x 12 x 3mm -40°C +85°C 2kHz
RS stock no. 166-9875
Mfr. Part No.PKM13EPYH4000-A0
BrandMurata
R 4.05
Each (In a Box of 500)
units
Through Hole - 30V 70dB External Continuous 12.6mm - - 6mm 12.6 x 6mm -40°C +85°C 4kHz
RS stock no. 167-5001
Mfr. Part No.PKMCS0909E4000-R1
BrandMurata
R 20,849.92
Each (On a Reel of 2000)
units
Surface Mount - ±12.5V 65dB External Sounder - 9mm 9mm 1.9mm 9 x 9 x 1.9mm -40°C +85°C 4kHz
RS stock no. 125-3214
Mfr. Part No.PKLCS1212E20A0-R1
BrandMurata
R 12.545
Each (On a Reel of 1000)
units
Surface Mount - 25V 70dB External - - 12mm 12mm 3mm 12 x 12 x 3mm -40°C +85°C 2kHz