EFM-320P

Features: 
High output
Sealed type
High reliability
Characteristic Min Typical Max Notes
Type Piezo
Excitation Internal Driven Tone: Pulse
Sound Pressure Level dB at 30cm 92 Measured 92 dB at 30cm
Frequency kHz 2.9 Rated frequency ± 0.5 kHz
Voltage V 3 12 16 DC voltage
Current mA 20
Temperature ºC -20 70
Width mm 45 Case:Fire-resistance ABS/White
Height mm 26
Weight g 22
Termination lead wire
Characteristic Response: 

Dimension Drawing: