SEM-13R3.1-8N0.2R

Features: 
Laptop, Medical and Telecommunication applications
Alarm and Monitoring.
High sensitivity and Wide Frequency Response
Characteristic Minimum Rated Maximum Notes
Type Magnetic
Sound Pressure Level dB at 30cm 80.5 90dB ± 3 at 10cm Normal Power Input
Power W 0.2 0.5
Frequency kHz 1 20 (SPL_max - 10)dB at Frequency Min and Frequency Max
Available Input Impedance Ω 8 8 Ω ± 15% Rated Impedance
Width mm 13 13
Height mm 5.1
Termination solder tab
Characteristic Response: 

Dimension Drawing: