- 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 of a Piezo Buzzer
- alarms / warning devices / automobile alarms
- pest deterrents
- computer devices
- telephones
- toys / games
Background information about piezo buzzers
Standard Piezoelectric Buzzers
Other units are available on request -- please inquire.For diagrams of a specific buzzer, click on "pin" or "lead" under Terminals.
| APCI Catalog No. |
Product Description |
Housing Diameter (mm) |
Dimensions Height^ (mm) |
Minimum Sound Pressure Level (dB) |
Resonance Frequency (kHz) |
Operating Voltage (VDC) |
Max. Rated Current (mA) |
Terminals | |
| 30-1275 | KPI1410 | 14.1 | 7.8 | 85* | 4.0±0.5 | 1.5~16 | 8xx | pin | Spec Sheet |
| 30-1280 | KPI-2210L | 22^^ | 10.5 | 85** | 4.5±0.5 | 3~30 | 15xx | lead | Spec Sheet |
| 30-1285 | KPI-2610 | 23 | 9.8 | 85** | 3.5±0.5 | 3~24 | 10xx | pin | Spec Sheet |
| 30-1255 | KPT-1410 | 14 | 7.5 | 80*** | 4.0A±0.5 | 30 Vp-px | 3xx | pin | Spec Sheet |
| Custom | Custom | Values to be Determined by Customer and APC International | |||||||
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)