STC31-C-R3

Name: Sensirion STC31-C-R3
Brand: Sensirion
SKU: 403-STC31-C-R3
Price: 29.89 EUR
Availability: InStock

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Mouser No:

403-STC31-C-R3

Mfr. No:

STC31-C-R3

Mfr.:

Sensirion

Description:

Air Quality Sensors STC31-C, Thermal Conductivity Sensor for CO2IC

Lifecycle:

New Product:

New from this manufacturer.

Datasheet:

STC31-C-R3 Datasheet (PDF)

ECAD Model:

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More Information

Learn more about Sensirion STC31-C-R3

In Stock: 348

Stock:: 348

Can Dispatch Immediately

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On Order:: 1.200

400

Pending

800

Expected 7/22/2026
Factory Lead Time:: 12

Weeks Estimated factory production time for quantities greater than shown.

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Minimum: 1 Multiples: 1

Unit Price:

-,-- €

Ext. Price:

-,-- €

Est. Tariff:

Pricing (EUR)

Qty.	Unit Price	Ext. Price
	29,89 €	29,89 €
	27,43 €	137,15 €
	26,52 €	265,20 €
	25,27 €	631,75 €
	24,46 €	1.223,00 €
	24,20 €	2.420,00 €
	22,79 €	5.697,50 €
Full Reel (Order in multiples of 400)
	22,78 €	9.112,00 €

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Product Attribute	Attribute Value	Select Attribute
Manufacturer:	Sensirion
Product Category:	Air Quality Sensors
RoHS:
Type:	Gas Sensor
Sensor Type:	Carbon Dioxide (CO2)
Accuracy:	0.5 C
Supply Voltage - Min:	2.7 V
Supply Voltage - Max:	5.5 V
Minimum Operating Temperature:	- 40 C
Maximum Operating Temperature:	+ 105 C
Series:	STC31
Brand:	Sensirion
Current Rating:	3 mA
Mounting Style:	SMD/SMT
Operating Supply Voltage:	3.3 V
Packaging:	Reel
Packaging:	Cut Tape
Product Type:	Air Quality Sensors
Factory Pack Quantity:	400
Subcategory:	Sensors
Part # Aliases:	3.001.031

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Compliance Codes

CNHTS:: 8542399000
USHTS:: 8542390090
MXHTS:: 8542399999
ECCN:: EAR99

Origin Classifications

Country of Origin:: Switzerland
Assembly Country of Origin:: Not available
Country of Diffusion:: Not available

The country is subject to change at the time of shipment.

STC31-C Thermal Conductivity Sensor for CO2

The Sensirion STC31-C Thermal Conductivity Sensor offers 16-bit resolution, 2.7V to 5.5V supply voltage range, and up to 5mA supply current rating. This is a chip-sized gas concentration sensor for high-range, accurate C0₂ measurements, designed for high-volume production. The STC31-C is the ideal choice for applications requiring reliability due to it being based on a revolutionised thermal conductivity measurement principle, resulting in superior repeatability and long-term stability. Thermal conductivity technology features an ultra-low power consumption. This sensor features a digital I²C interface, making it easier to connect directly to a microprocessor. The Sensirion STC31-C Thermal Conductivity Sensor is ideal for battery-operated applications and delivers top performance at a minimal power budget.