Air Ultrasonic Ceramic Transducers 400EP18A
Features
  • Compact and light weight
  • High sensitivity and sound pressure level
  • Excellent temperature and humidity durability
  • Low cost
Applications
  • Remote control devices
  • Robotics
  • Intrusion Alarms
  • Energy saving equipments
Specification
400EP18A Transceiver
Center Frequency 40.0±1.0KHz
Bandwidth -6dB ( Figure Of Merit ) 1.5KHz
Transmitting Sound Pressure Level
at resonant frequency; 0dB re 0.0002μbar per 10Vrms at 30cm
108dB min.
Receiving Sensitivity
at resonant frequency; 0dB=1 volt/μbar
-75dB min.
Ringing 1.2 ms max.
Capacitance at 1KHz ±20%
Temperature Compensated Type
2600 pF
5200 pF
Max.Driving Voltage(cont.)
@20 bursts, 25 ms repetition rate
20Vrms
100Vp-p
Total Beam Angle ( -6dB) 85° typical
Operation Temperature -30℃ to 70℃
Storage Temperature -40℃ to 80℃
All specification taken typical at 25℃; Both lead pins and lead wires output are available.
Temperature compensated type is available upon request.
Models available
1.400EP18A Aluminum Housing