Model	FBPB3214A	FBPB3214B	FB3214C	FB3214D
Rated voltage	12VDC	12VDC	6VDC	24VDC
Operating Voltage	3~24VDC	3~20VDC	4~8VDC	20~28VDC
Max.Rated Current	15mA at 12VDC	15mA at 12VDC	15mA at 6VDC	20mA at 24VDC
Min.Sound Pressurel Level	90dB at 12VDC/30cm	85dB at 12VDC/30cm	85dB at 6VDC/30cm	90dB at 24VDC/30cm
Resonant Frequency	3.7±0.5KHz	3.9±0.5KHz	4.2±0.5KHz	3.2±0.5KHz
Operating Temperature	-20~+60°C	-20~+60°C	-20~+60°C	-20~+60°C
Tone Nature	Continuous	Pulse	Continuous	Continuous