Air Ultrasonic Ceramic Transducers  

 

 
Features

Compact and light weight
High sensitivity and sound pressure level
Excellent temperature and humidity durability
Low cost

Applications

Remote control devices
Robotics
Instrusion Alarms
Energy saving equipments

Specification
400EP18A = (T-40-180) Transceiver
Center Frequency 40.0¡Ó1.0Khz
Bandwidth(-6dB) 2.0Khz
Transmitting Sound Pressure Level
at 40.0Khz; 0dB re 0.0002mbar per 10VRMs at 30cm
108dB min.
Receving Sensitivity at 40.0Khz 0dB=1 volt/£gbar -75dB min.

Nominal Impedance (Ohm)

750
Ringing (ms) 1.2 max.
Capacitanceat 1Khz ¡Ó 20% 2000pF
Max.Driving Voltage(cont.) 100Vp-p @20 bursts, 25 ms repetition rate
Total Beam Angle -6dB 85¢X typical
Operation Temperature -30 to 80¢X C
Storage Temperature -40 to 85¢X C

All specification taken typical at 25¢XC; closer frequency tolerance can be supplied upon request.

Models available
¡@ Aluminum Housing
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