Description
40KHz Ultrasonic Transducer Transmitter and Receiver Pair. These transducers are very useful in making various sensors for detecting obstacles and measuring distances.
Features
Use for motion or distance sensing
Frequency: 40kHz ±1.0kHz
Aluminum case
Capacitance: 2000pF ±20%
Transmitter: bandwidth 5.0kHz/100dB, sound pressure level 112dB/40 ±1.0kHz
Receiver: bandwidth 5.0kHz @ -75dB, min. sensitivity 67dB/40 ±1.0kHz (0dB vs. 1V µbar) R=3.9k.
Lead length/spacing: 0.28″
Case size: 0.30″H x 0.43″ Dia.
