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STC42A

Automotive H₂ sensor for thermal runaway detection

With its unmatched stability, performance and reliability, STC42A is the perfect choice for hydrogen detection, both in battery thermal runaway and hydrogen leakage applications.

 

Related applications

  • Battery thermal runaway detection
  • Hydrogen leakage
  • Thermal Propagation 
Contact sales

Specification

Hydrogen
Measurement range
0 - 40 (vol%)
0 - 40 (vol%)
Operating temperature range
-40 - 105
-40 - 105°C
Response time
1
1s
Resolution
16
16bit
Generic
Supply voltage
3 - 5.5
3 - 5.5V
Average supply current
73
73uA
Max. supply current
4.2
4.2mA
Interfaces
I²C
I²C
Size (LxWxH)
3.5 x 3 x 1
3.5 x 3 x 1mm
Packaging size
5000
5000pcs (T&R)

Downloads

Quick start guide SEK-STC42A

02/2026

File

624.8 KB

Guide02/2026PDF624.8 KB
RoHS, REACH and Hal-Free declaration Thermal Conductivity Sensor

12/2025

File

94.5 KB

Certificate12/2025PDF94.5 KB

Smart sensors for your application

Sensirion's sensor solutions are used in a wide range of applications and markets. Our reliable environmental and flow sensors improve energy efficiency, increase health and ensure safety and comfort.

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Sensor evaluation

Buy the following products to evaluate this sensor

NameDescriptionSeriesCategory
SEK-STC42AEvaluation kit for H₂ sensor STC42ASTC42x

SEK-STC42A

Evaluation kit for H₂ sensor STC42A

STC42x

Download the respective viewer software to start measuring

Go to download center

Start testing our sensors fast and easy with the evaluation kits

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