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Sensor, Ultrasonic, 0.2-4m, Tx - 

MA40S4S

MA40S4S - Sensor, Ultrasonic, 0.2-4m, Tx

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Manufacturer:
MURATA MURATA
Manufacturer Part No:
MA40S4S
Order Code:
SN36521
Product Range
MA40 Series
Technical Datasheet:
MA40S4S   Datasheet
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Product Range Selector (MA40 Series)

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Product Overview

MA40S4S is an ultrasonic sensor for various detections. MA40S4S is used to transmit ultrasonic waves. It consists of piezoelectric ceramics, metal plate, resonator and resin case. Resonator has like a funnel shape to transmit ultrasonic waves which is generated by vibration of resonator to the air efficiently (or to concentrate ultrasonic waves from the air on the centre of resonance).Sound pressure level(S.P.L.) is the most important characteristic for ultrasonic transducers. For example, in measuring distance application, high S.P.L. transducer enables to detect the further distance. Suitable for object detection, measuring the distance and dynamic body detection applications.
  • Open type construction
  • 40KHz centre frequency
  • Compact size(10.0mm dia.)
  • 120dB typ. (0dB=0.02mPa) S.P.L
  • 80° (typ) directivity
  • 2550pF capacitance with ±20% capacitance tolerance
  • Max input voltage is 20Vp-p continuous signal, square wave
  • High sensitivity and sound pressure

Footnotes

Cannot be used in outdoor applications because they are open type structure.

Product Information


:
200mm

:
4m

:
80°

:
40kHz

:
9.9mm

:
-63dB

:
-40°C

:
85°C

:
MA40 Series

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Technical Documents (1)

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