A. Scope

This specification applies to Piezo buzzers,390140F-09034

B. Specifications

C. Test method

Standard measuring condition
Temperature: 25±2℃ Humidity: 45-65%
Acoustic characteristics:
Oscillation frequency, current consumption and sound pressure are measured by the instrument shown below

In the measurement test, the buzzer is placed as follows:

D. Voltage/current/sound pressure characteristics

Standard test conditions: a) Temperature: + 5~ + 35℃b) Humidity: 45-85% c)
Pressure: 860-1060mbar Test conditions: a) Temperature: + 25±2℃b) humidity: 60-70% c) pressure: 860-1060mbar