EFM-471ML

Features: 
High output
Low current
Characteristic Min Typical Max Notes
Type Piezo
Excitation Internal Driven Tone: Pulse
Sound Pressure Level dB at 30cm 87 Measured 87 dB at 30cm
Frequency kHz 3.9 Rated frequency ± 0.5 kHz
Voltage V 3 12 20 DC voltage
Current mA 15
Temperature ºC -20 70
Width mm 32 Case:ABS/White
Height mm 15
Weight g 8.4
Termination lead wire
Characteristic Response: 

Dimension Drawing: