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CCS801 Gas Sensor

Ultra-low power gas sensor for monitoring indoor air quality


  • 2mm x 3mm DFN Package
  • Optimised low-power modes
  • Reduced cross-sensitivity
  • Fast heating time


  • Small form factor designs
  • Extended battery life in portable applications
  • Enhanced selectivity to target gases
  • Quick response to target gases

Product parameters

Interface Analog / (Resistance)
Supply Voltage [V] 1.4
Power Consumption [mW] 0.9 to 33
Dimension [mm] 2 x 3 x 1 DFN
Ambient Temperature Range [°C] -5 to 50
Ambient Humidity Range [% r.h.] 10 to 95

General Description

CCS801 is an ultra-low power MOX multi-gas sensor for monitoring indoor air quality including carbon monoxide (CO) and a wide range of volatile organic compounds (VOCs) such as ethanol. CCS801 can be used as an equivalent carbon dioxide (eCO2) sensor to represent eCO2 levels in real world environments, where the main source of VOCs is from humans.

This product suits for the following applications:

  • Air cleaners
  • Air purifiers
  • Appliances (white goods)
  • Home controllers
  • Smart thermostats


Title Category Headline Buy
CCS801EvalKit Application Board Evaluation Kit for CCS801
USBI2C Accessories USB-I²C Dongle
ENSDashboard Tools Windows ENS Dashboard


Type Description Language
Software Firmware for the CCS801 evaluation kit English

Technical Documents

Type Description Language
Datasheet CCS801 Datasheet - Document version 1-04 English
Application Note CCS801 Design guidelines English
Application Note CCS801 Assembly guidelines English
User Guide User Guide for the CCS801 sensor shield (part of the evaluation kit) English

Environmental Documents

Type Description Language
Material Declaration Form MDF_304000010_CCS801B-COPR English
Material Declaration Form MDF_304000010_CCS801B-COPD English
Material Declaration Form MDF_304000010_CCS801-DF_EK_ST English


Type Description Language
Product Change Notification PCN01-2017 (CCS801) English
Product Change Notification CN15-2018 (CCS801) English
Product Change Notification PCN05-2017 (CCS801, CCS811) English
Product Change Notification PCN21-2016 (CCS801, CCS803, CCS811) English

Other Information

Type Description Language
Block Diagram CCS801 Block Diagram English
Factsheet Factsheet for Analog VOC Sensor English
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Ownership of this product has moved to Sciosense

Please be informed that this product is now owned by Sciosense B.V., a joint venture of ams AG and Wise Road Capital, effective January 13th, 2020.

ScioSense Environmental Sensors