EFM-390B

Characteristic Min Typical Max Notes
Type Piezo
Excitation Internal Driven Tone: Continuous
Sound Pressure Level dB at 30cm 80.5 Measured 90 dB at 12V-DC & 10cm
Frequency kHz 3.3 3.8 4.3 Rated frequency ±0.5
Voltage V 3 12 20 DC
Current mA 12 12V DC
Temperature ºC -20 70
Width mm 24
Height mm 11
Termination pin
Characteristic Response: 

Dimension Drawing: