Open type ultrasonic transducers (Transmitter / Receiver) MA40S4S, MA40S4R


Open type ultrasonic transducers (Transmitter / Receiver)/span>
MA40S4R, MA40S4S 
Application: Distance measuring, object detection for general, automotive equipment

  Transmit ultrasonic sounds to the air, and receive reflected sounds
Compact size, High S.P.L. and sensitivity
   Datasheet (214KB)
   Application Note (1.09MB)
 Technical Information >

  ■ Applications
  • Distance measuring / Object detection

■ Specifications
・ Frequency:40kHz
・ Directivity:80deg(typ.)
・ Sensitivity:(MA40S4R)-63dB typ.(0dB=10V/Pa)
・ S.P.L.:(MA40S4S)120dB typ.(0dB=20μPa)
・ Dimensions:Φ9.9x7.1 mm
・ Operating temperature:-40degC to +85degC

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