Home > Arduino & SCM Supplies > TCT40-16R/T
Model: TCT40-16R / T (16 mm in diameter) Nominal frequency (KHz): 40KHz Emission sound pressure at 10V (0dB = 0.02mPa): >/=117dB Receiver sensitivity at 40KHz (0dB = V / ubar): >/=-65dB Capacitance at 1KHz£¬ <1V (PF): 2000 ± 30% Printed with "T" is transmitter£¬ printed with "R" is receiver. The pin that has a black circle is positive£¬ and another is negative.