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need a pressure sensor that operates at -40C and stores at -51 was using MPXV5004DP

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need a pressure sensor that operates at -40C and stores at -51 was using MPXV5004DP

‎07-02-2021 10:17 AM
897 Views
gtcordell
Contributor I

MPXV5004DP

This part was used in a legacy design. We inherited the design and noticed the part's spec didn't match our requirements (-40C operating and -51C storage). This sensor seemed to adequately worked when tested at those values but we couldn't knowingly leave an out-of-spec part in our design. We changed to another part that was rated for -40C operation but it actually works worse than the NXP sensor that isn't rated for it. We are trying to find alternatives.

Does anyone know of differential pressure sensors that can operate in this environment:

  • -40C to +51C operational
  • -51C to +73C storage temp
  • Max pressure > 4 psi
  • needs to sense pressure in the 0-1 psi range (more is fine)
  • Operates off of 5V
  • SMT (small form factor such as the package of the current part)

 

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‎07-05-2021 10:45 AM
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reyes
NXP TechSupport
NXP TechSupport

Hi,

Unfortunately, we do not have any data information for out-of-spec data, so we don’t have any performance information on the MPXV5004DP working at -40C. We can only recommend to use this sensor with a min operational temperature of 0C.

 

From the current portfolio, for the low pressure range, working at -40C temperature, I can only recommend the MPXV7007DP sensor: https://www.nxp.com/docs/en/data-sheet/MPXV7007.pdf

 

Regards,

Jose

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