Piezo Sounder / Self-Driven Piezo Transducer

EFM-390B

ELECTRICAL SPECIFICATIONS .
Diatemer [mm] 24
Height [mm] 11
Length [mm] /
Width [mm] /
Mounting Type PIN
SPL [dB] 90
Frequency [kHz] 3.8±0.5
Rated Voltage 12VDC
DIMENSIONS: (Unit: mm) .

SOUND PRESSURE LEVEL .