PC Board-Mount Piezo (273-0065A) Specifications Faxback Doc. # 9883 Buzzer This specification is applied to a PC Board-Mount Piezo Buzzer used in alarm systems. Operating Frequency:.......................................2.8 +/- 0.5 KHz Operating Voltage:..............................................3 - 20 VDC Rated Voltage:......................................................12 VDC Current Consumption:............................7.0 mA (maximum) at 12 VCD Sound Pressure Level:.....................85 dB (minimum) at 12 VCD, 30 cm Operating Temperature:................................-20 to +60 degrees C (ALL-01/25/95)