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Discontinued Piezoelectric Ultrasonic Air Transducers
Available while stock quantities last

CALL FOR AVAILABLITY AND PRICING
(Catalog No. 10-)
Transmitter, receiver, or transmitter / receiver units (environmental housing)
25 kHz or 40 kHz signal frequency

  • high sensitivity
  • excellent sound pressure
  • low cost
  • 10 mm to 25 mm diameter
  • matched pairs available
  • competitive pricing
  • fast delivery

Typical Applications

  • automobile sensors
  • proximity sensors
  • object detectors
  • level sensors
  • remote controls
  • motion detectors / intruder alarms
  • pest deterrents
  • toys / games



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Our ultrasonic transducers consist of a piezoelectric ceramic element, mounted in an aluminum, plastic, or environmental (sealed) housing. These transducers offer high sensitivity, superb sound pressure level (SPL), and stable electrical and mechanical characteristics, at a choice of bandwidths. Environmental transducers may act as both transmitter and receiver; or separate transmitter or receiver.

Background information about ultrasonic air transducers

Standard Ultrasonic Air Transducers
OTHER DISCONTINUED UNITS ARE AVAILABLE!!!   Please inquire.
For data for a specific unit, click on the Catalog No.

Discontinued Aluminum Housing / Screen Mesh Face

 Center /
Resonance
Frequency
(kHz)
Output
SPL
(at 10 V)
(dB)
Sensitivity
(dB)
Bandwidth
(-6 dB)
(kHz)
Outer
Diameter
(mm)
Discontinued
APCI
Catalog
 No.
25T-16A/W - (.pdf Spec. Sheet)
25 ±1* ≥112 -- 4.0 16 10-1010
25R-16A/W - (.pdf Spec. Sheet)
25 ±1* -- ≥ -65 3.5 16 10-1015
40T-10A/W - (.pdf Spec. Sheet)
40 ±1 ≥112 -- 4.0 10 10-1035
40R-10A/W - (.pdf Spec. Sheet)
40 ±1 -- ≥ -69 2.0 10 10-1040
40T-12A/W - (.pdf Spec. Sheet)
40 ±1 ≥115 -- 4.0 12.7 10-1060
40R-12A/W - (.pdf Spec. Sheet)
40 ±1 -- ≥ -67 2.0 12.7 10-1065
40T-16A/W - (.pdf Spec. Sheet)
40 ±1 ≥119 -- 4.0 16 10-1095
*Resonance frequency.

Discontinued Plastic Housing / Flower Mesh Face
 Center /
Resonance
Frequency
(kHz)
Output
SPL
(at 10 V)
(dB)
Sensitivity
(dB)
Bandwidth
(-6 dB)
(kHz)
Outer
Diameter
(mm)
Discontinued
APCI
Catalog
 No.
25T-16P - (.pdf Spec. Sheet)
  ≥112 -- 4.0 16 10-1020
25R-16P - (.pdf Spec. Sheet)
  -- &ge -65 3.5 16 10-1025
40T-10P - (.pdf Spec. Sheet)
  ≥112 -- 4.0 10 10-1050
40R-10P - (.pdf Spec. Sheet)
  ≥119 -- 4.0 16 10-1105
40R-16P - (.pdf Spec. Sheet)
  -- ≥ -65 3.5 16 10-1110
*Resonance frequency.

Discontinued Environmental (Sealed) Housing
 Center /
Resonance
Frequency
(kHz)
Output
SPL
(at 10 V)
(dB)
Sensitivity
(dB)
Bandwidth
(-6 dB)
(kHz)
Outer
Diameter
(mm)
Discontinued
APCI
Catalog
 No.
40CA-18ST - (.pdf Spec. Sheet)
  ≥106 -- 1.3 18 10-1155
40CA-18SR - (.pdf Spec. Sheet)
  -- ≥ -74 1.3 18 10-1150
40CA-18SC - (.pdf Spec. Sheet)
  ≥104 ≥ -80 1.3 18 10-1160
*Resonance frequency. 

 
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