C-1 активный звуковой модуль Black Board KY-012
US $0.20-$0.36
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Rated voltage | 1.5V/3V/5V |
Operating voltage | 1-3V/2-4V/3-8V |
Reted current(Max) | <=40mA |
Min sound output at 10cm | >=85dB |
Coil Resistance | 45Ω |
Resonant Frequency | 2731MHz |
Operating temperature | -20~+70℃ |
Storage temperature | -30~+80℃ |
Weight | 1g |