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
SGD0.637
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. 871-1994
Mfr. Part No.7BB-20-6L0
BrandMurata
SGD1.568
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. 245-6449
Mfr. Part No.SMA-13-S
BrandSonitron
SGD9.89
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. 125-3216
Mfr. Part No.7BB-20-6L0
BrandMurata
SGD0.644
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. 535-8348
BrandRS PRO
SGD2.65
Each
units
Through Hole 3V dc 20V dc 75dB Internal Continuous - - - - - -30°C +115°C 3.7kHz
RS Stock No. 535-8203
BrandRS PRO
SGD5.92
Each
units
- - 100V ac 100dB External Continuous, Intermittent 44.8mm 64mm 13.6mm 23mm 44.8 x 23mm -40°C +105°C 4kHz
RS Stock No. 754-1993
BrandRS PRO
SGD5.87
Each
units
Panel Mount 3V dc 30V dc 85dB Internal Continuous 30mm - - 10mm 30 (Dia.) x 10mm -30°C +85°C 4kHz
RS Stock No. 172-7560
Mfr. Part No.SMAI-24-P10
BrandSonitron
SGD12.43
Each
units
Through Hole 5V dc 24V dc 92dB Internal Intermittent 24mm - - 15.5mm 24 x 15.5mm -20°C +70°C 4.025kHz
RS Stock No. 166-9588
Mfr. Part No.PKM22EPPH4002-B0
BrandMurata
SGD0.668
Each (In a Bag of 900)
units
Through Hole - 30V ac 75dB External Sounder 22mm - - 8.2mm 22 x 8.2mm -20°C +70°C 4kHz
RS Stock No. 721-4931
Mfr. Part No.PKM22EPPH4002-B0
BrandMurata
SGD0.758
Each (In a Pack of 5)
units
Through Hole - 30V ac 75dB External Sounder 22mm - - 8.2mm 22 x 8.2mm -20°C +70°C 4kHz
RS Stock No. 535-8089
BrandRS PRO
SGD3.19
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. 457-043
BrandRS PRO
SGD15.56
Each (In a Pack of 5)
units
Panel Mount 60V ac/dc 250V ac/dc 91dB Internal Fast Pulse 43mm - - 43mm 43 (Dia.) x 43mm -20°C +60°C 3.3kHz
RS Stock No. 724-3166
BrandRS PRO
SGD1.82
Each (In a Pack of 2)
units
Surface Mount 1V ac 30V ac - External Diaphragm 35mm - - 0.53mm 35 (Dia.) x 0.53mm -20°C +60°C 3.4kHz
RS Stock No. 171-0848
BrandRS PRO
SGD9.776
Each (In a Tray of 25)
units
Panel Mount 60V ac/dc 250V ac/dc 91dB Internal Fast Pulse 43mm - - 43mm 43 (Dia.) x 43mm -20°C +60°C 3.3kHz
RS Stock No. 102-3414
Mfr. Part No.AC300I110-220V
BrandEMCT
SGD141.36
Each
units
Panel Mount 110V ac/dc 230V ac/dc 90dB Internal Intermittent 40mm - - 28.5mm 40 x 28.5mm -30°C +75°C 3.163kHz
RS Stock No. 754-1987
BrandRS PRO
SGD3.466
Each (In a Bag of 5)
units
Through Hole - 30V ac 88dB External Square Wave 22.8mm - - 13.5mm 22.8 (Dia.) x 13.5mm -30°C +85°C 2.4kHz
RS Stock No. 771-6901
BrandRS PRO
SGD15.30
Each
units
Panel Mount 6V dc 28V dc 80dB Internal Continuous 42.5mm - - 33mm 42.5 x 33mm -30°C +85°C 3.3kHz
RS Stock No. 617-3097
BrandRS PRO
SGD5.42
Each
units
Panel Mount 1.5V dc 20V dc 96dB Internal Continuous 41.8mm - - 16mm 41.8 x 16mm -20°C +60°C 3.3kHz
RS Stock No. 171-0887
BrandRS PRO
SGD1.166
Each (In a Tray of 50)
units
Surface Mount 1V ac 30V ac - External Diaphragm 35mm - - 0.53mm 35 (Dia.) x 0.53mm -20°C +60°C 3.4kHz
RS Stock No. 660-1211
Mfr. Part No.119 068 15
BrandWerma
SGD104.00
Each
units
Panel Mount - 24V ac/dc 90dB Internal Continuous, Slow Pulse 43mm - - 40mm 43 x 40mm -20°C +60°C 2.4kHz