Model	FBPB2320A	FBPB2320B	FBPB2320C	FBPB2320D	FBPB2320E
Rated Voltage	3VDC	6VDC	9VDC	12VDC	24VDC
Operating Voltage	2~5VDC	4~8VDC	7~12VDC	8~15VDC	20~28VDC
Max.Rated Current	25mA at 3VDC	20mA at 6VDC	15mA at 9VDC	15mA at 12VDC	20mA at 24VDC
Min.Sound Pressure Level	80dB at3VDC/30cm	82dB at6VDC/30cm	88dB at9VDC/10cm	88dB at12VDC/30cm	88dB at24VDC/30cm
Resonant Frequency	3.4±0.5KHz	3.4±0.5KHz	3.3±0.5KHz	3.3±0.5KHz	3.1±0.5KHz
Operating Temperature	-20~+80°C	-20~+80°C	-20~+80°C	-20~+80°C	-20~+80°C
Tone Nature	Continuous	Continuous	Continuous	Continuous	Continuous