EFM-290ES

Features: 
Can Bear Soldering Temperature
Loud output
Low current consumption
High efficiency and reliability
PCB mounting & Sealed type
Characteristic Min Typical Max Notes
Type Piezo
Excitation External Driven Tone: Continuous
Sound Pressure Level dB at 30cm 105 Measured 85 dB at 300cm
Frequency kHz 3.6 Rated frequency ± 0.5 kHz
Voltage V 7 9 12 peak to peak voltage of square wave
Current mA 10
Temperature ºC -20 70
Width mm 40 Case:Fire-resistance ABS/Black
Height mm 11
Weight g 10.9
Termination pin
Characteristic Response: 

Dimension Drawing: 

Driver Circuit