Model:	DMT-1601A	DMT-1606A	DMT-1612A
Rated Voltage:	1.5 VDC	6 VDC	12 VDC
Operating Voltage:	1 VDC - 2 VDC	3 VDC - 8 VDC	8 VDC - 15 VDC
Current Consumption:*	40 mA max.	40 mA max.	40 mA max.
Sound Pressure:*	80 dB min.	85 dB min.	85 dB min.
Coil Impedance:*	16 OHM	50 OHM	115 OHM
Resonant Frequency:	2048 Hz	2048 Hz	2048 Hz
Operating Temp:	-20 ~+ 70degree C	-20 ~+ 70degree C	-20 ~+ 70degree C
Weight:	7 gram	7 gram	7 gram

* Applying rated voltage (square wave, 1/2 duty, resonant frequency)
* Distance at 10 cm (applying rated voltage: 2,700 Hz, 1/2 duty, square wave) 
* Applying resonant frequency, sine wave, measuring current 60mA