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By certification 
Alarm Component Piezo Buzzer
PK-27A35ER
Type:PK-27A35ER
contact with us: yxl(at)duoxin(dot)com
Oscillation Frequency (KHz) 3.5 ±0.5
Operating Voltage (Vdc) 3 ~ 24
Rated Voltage (Vdc) 12
Current Consumption (mA/max.) 15 at Rated Voltage
Sound Pressure Level (dB/min.) 95 at 30cm at Rated Voltage
Tone/Pulse Rate Constant
Operating Temperature (℃) -20 ~ +70
Storage Temperature (℃) -30 ~ +80
PK-27A35ER
Type:PK-27A35ER
contact with us: yxl(at)duoxin(dot)com
Oscillation Frequency (KHz) 3.5 ±0.5
Operating Voltage (Vdc) 3 ~ 24
Rated Voltage (Vdc) 12
Current Consumption (mA/max.) 15 at Rated Voltage
Sound Pressure Level (dB/min.) 95 at 30cm at Rated Voltage
Tone/Pulse Rate Constant
Operating Temperature (℃) -20 ~ +70
Storage Temperature (℃) -30 ~ +80
