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One of the smallest, gel-filled, watertight sensors on the market.

Optimized for consumer devices such as wearables, multisport watches and fitness trackers the MS5837-02BA’s robust sensor package enables it to withstand harsh environments often encountered in these applications. This MEMS based sensor includes a high-linearity pressure sensor with an ultra-low power 24 bit digital output (I2C) and an altitude resolution at sea level of 13 cm. This enables high resolution measurements such as counting flights of stairs. This ultra-compact micro altimeter allows for design flexibility and is one of the smallest gel filled watertight sensor in the market. The robust sensor package consists of ceramic and metal materials. A high-resolution temperature output allows the implementation of a thermometer ion without any additional sensor. Expanding on TE Connectivity's (TE) MS5837 series of ultra-compact digital altimeters, our new generation 2 bar models offer options for improved endurance in chlorine environments and shielding for reduced signal noise and interference. This new generation of sensor modules was developed by TE with leading MEMS technology and our proven experience in design and manufacturing of altimeter modules.


  • Multisport watches
  • Fitness trackers
  • Swim watches
  • Bike computers
  • Mobile altimeter/barometer systems
  • Personal navigation devices
  • E-cigarettes
  • Drones and other autonomous vehicles


  • Ceramic - metal package: 

3.3 x 3.3 x 2.75mm

  • High resolution module:13 cm
  • Supply voltage: 1.5 to 3.6 V
  • Low power, 0.6 µA (standby ≤ 0.1 µA at 25°C)
  • Integrated digital pressure sensor 

(24 bit ΔΣ ADC)

  • I2C interface
  • Operating range: 300 to 1,200 mbar, 

-20 to +85 °C

  • No external components (internal oscillator)
  • Watertight sealing with 

1.8 x 0.8mm O-ring

  • Chlorine resistant option
  • Shielded option


Please review product documents or contact us for the latest agency approval information.  

Product Type Features

  • Sensor Type  Digital Pressure and Altimeter Sensor Modules

  • Type  Absolute

Electrical Characteristics

  • Supply Voltage (V) 1.5 – 3.6


  • Dimensions  3.3 x 3.3 x 2.75 mm [ .13 x .13 x .108 in ]

Usage Conditions

  • Pressure (bar) 2

  • Operating Temperature Range  -20 – 85 °C [ -4 – 185 °F ]


  • Output Interface  I2C

  • Overpressure  10 bar

  • Pressure (mbar) 2000

  • Output/Span  24 bit ADC

  • Accuracy  ±0.5mbar

  • Resolution  .016

Packaging Features

  • Package  Surface Mountable


  • Options  Chlorine Resistance, No Option, Shielded Cable

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