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SM6841 Ultra Small Absolute Pressure Sensor With mV Output
Pressure Medium: Air/Gas
Sensor Type: Absolute
Supply Voltage: Under 5V
Output Signal: Millivolt
Pressure Range: 3-300 psi
Kind: Board Level

The SM6841 is a small outline SO-8  packaged pressure sensor that incorporates SMI's new piezoresistive pressure sensing die. This sensor is intended for high volume applications where cost is a critical factor. 

The SM6841 is available as an absolute pressure sensor in full-scale range of 30 psi (200 kPa) and 100 psi (700 kPa). It is designed to be surface-mounted on ceramic or PCB substrates by high volume OEM manufacturers.

The SM6841 is available in a non-ported, centered hole configuration to be used for sensing general environmental pressure or measure pressure in a manifold configuration with an O-ring seal. The standard configuration offers a protective gel over the die. A non-gel version is also available for high volumes where the maximum stability is required, such as barometric weather station sensing applications. The SM6841 is shipped tape & reel.


  • 15 psi, absolute pressure (other ranges available upon request)
  • Wide temperature range (-40C to +125C)
  • Suitable for automated assembly
  • Constant current or constant voltage drive
  • Millivolt output

Typical Uses

  • Medical - negative pressure wound therapy, surgical & respiratory equipment
  • Pressure switches
  • Hand-held gauges
  • Environmental monitoring
  • Appliances
  • Sports equipment
  • Altimeters