Piezoelectric Buzzers

(Catalog No. 30-)

wide variety of available sizes / frequencies / sound outputs:
     self-oscillating buzzers with signal generators
     buzzers without signal generators
     multi-tone sound generators / sirens
low cost / high sound outputs
can be mounted in printed circuit boards
competitive pricing
fast delivery

Typical Applications

alarms / warning devices / automobile alarms
pest deterrents
computer devices
telephones
toys / games

Background information about audible sound transducers

Standard Piezoelectric Buzzers
Other units are available on request -- please inquire.
For diagrams of a specific buzzer, click on "pin" or "lead" under Terminals.

Housing
Diameter
(mm) Dimensions
Height^
(mm) Minimum
Sound
Pressure
Level (dB) Resonance
Frequency
(kHz) Operating
Voltage
(VDC) Max. Rated
Current
(mA) Terminals

APCI Catalog No. 30-1275 (KPI-1410) - (Spec. Sheet)

14.1 7.8 85* 4.0±0.5 1.5~16 8^xx pin

APCI Catalog No. 30-1280 (KPI-2210L) - (Spec. Sheet)

22^{^^} 10.5 85** 4.5±0.5 3~30 15^xx lead

APCI Catalog No. 30-1285 (KPI-2610) - (Spec. Sheet)

23 9.8 85** 3.5±0.5 3~24 10^xx pin

APCI Catalog No. 30-1255 (KPT-1410) - (Spec. Sheet)

14 7.5 80*** 4.0±0.5 30 Vp-p^x 3^xx pin

Rated Voltage: 12 VDC (KPT-1410: 12 Vp-p square wave)
Operating Temperature: -20°C to 70°C (KPT-1410: -20°C to 85°C)

   * 10 cm / 12 VDC
** 30 cm / 12 VDC
*** 4.0 kHz / 10 cm / 12 Vp-p square wave
   ^x Maximum allowable voltage, square wave
^xx 12 VDC
^xxx 4.0 kHz / 12 Vp-p square wave
   ^{^} Excluding terminals.
   ^{^^} Excluding tabs; 27.5 ±0.5 w/ tabs (center to center).