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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

Technical Documents

Name Type Description Version Language
CCS801_QG000117_1-00.pdf Quick Start Guide Standard Board 1-00 English
CCS801_ENS210_PD000191_2-00.png Other Product Document CCS801 EvalKit Image 2-00 English
CCS801_AN000363_3-00.pdf Application Note CCS801 Design guidelines 3-00 English
CCS801_UG000369_1-00.pdf User Guide Standard Board 1-00 English
CCS801_DS000457_3-00.pdf Datasheet Document version 1-04 3-00 English
CCS801_BD000327_1-00.png Block Diagram CCS801 Block Diagram 1-00 English
CCS801_FS000174_2-00.pdf Factsheet Analog VOC Sensor (CCS801 Factsheet) 2-00 English
CCS801_AN000364_2-00.pdf Application Note CCS801 Assembly guidelines 2-00 English
CCS801_AN000445_1-00.pdf Application Note CCS801 PWM Heater control and Sensor Layer acquisition 1-00 English

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