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EFM-473

Features: 
Low consumption
Continuous and fast pulsing tone
Characteristic Min Typical Max Notes
Type Piezo
Excitation Internal Driven Tone: Continuous + Pulse(2.5Hz±20%)
Sound Pressure Level dB at 30cm 80 Measured 80 dB at 30cm
Frequency kHz 3.5 Rated frequency ± 0.5 kHz
Voltage V 3 12 16 DC voltage
Current mA 3
Temperature ºC -20 70
Width mm 30 Case:PC/Black
Height mm 19.5
Weight g 8.6
Termination pin Pin separation: 17.50mm
Characteristic Response: 

Dimension Drawing: