Part Number: SMUTF40TR18AOur Piezo Air Transducer is Water proof and is a Transmitter/Receiver. Housing Material: AluminumDimensions: 18mm DiameterNominal frequency fr: 40 KHzTransmitting Sensitivity: 100 dB Min. (@ 40KHz, 10Vp-p/30cm 0dB = 20µBar)Receiving Sensitivity: 78 dB Min. (@ 40KHz, 10Vp-p/30cm 0dB = 10V/Pa)Wires/Connections: 1/2" PinsTipical Directivity: 85° (-6dB)Ringing: 1.2 sec. Max.Capacitance: 2000 Pf±20% Max. Input Voltage: 150 Vp-pOperating Temperature: -30°C ~ 80°CTest Condition: 23±3 °C 40~70% R.H.Applications, among others, are: Distance Meter, Distance Sensor, Sound Detector, Robot Navigation, Send/Receive dataNotes: The decay time is about 2.1ms.
Specification of products can change without notice.