10×10×3.5mm SMD Electro Magnetic Buzzer Specification Datasheet
HCS10FB SMD BUZZER 
Rated Voltage(V) 3.6
Operating Voltage(V) 1～5
Rated Current(mA) ≤80
Coil Resistance(Ω) 18±5
Output S.P.L(dB) ≥85
Rated Frequency(Hz) 2731
Operating Temp.(℃) -40～+85
Storage Temp.(℃) -40～+85
Housing Material PPS
Weight (g) 0.6
