EFM-472AL

Features: 
Low voltage
High output
Low current consumption
Characteristic Min Typical Max Notes
Type Piezo
Excitation Internal Driven Tone: Continuous
Sound Pressure Level dB at 30cm 100.46 Measured 90 dB at 100cm
Frequency kHz 3.5 Rated frequency ± 0.5 kHz
Voltage V 3 12 20 DC voltage
Current mA 10
Temperature ºC -20 70
Width mm 30.5 Case:PC/Black
Height mm 19.6
Weight g 9.7
Termination lead wire
Characteristic Response: 

Dimension Drawing: