[Application] Ultrasonic transmitting/receiving sensor circuit The sealed ultrasonic transmitting circuit has a center frequency of 40 kHz, a sensitivity of >100 dB, a bandwidth of >1.5 (100 dB) kHz, a capacitance of 2200 pF, an insulation resistance of >100 MΩ, and a sensitivity of -10 dB at -30 to 80 °C. Shape, size and circuit symbol of the MA40EIS/EIR series ultrasonic transmitting/receiving sensor [Substitution interchange compatible] [MA40EIS original (Chinese) data sheet (Datasheet) package PDF] Shenzhen Ruidian Technology CO., Ltd , https://www.szwisonen.com