Mouser Has Stocked New Sensirion Environmental Sensors
The latest component expansion brings specialized gas detection and environmental monitoring modules to global developers.
Updated on Oct. 8, 2026 in Environmental
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Mouser Electronics has added a new series of Sensirion environmental sensors to its global distribution catalog. The lineup includes modules for formaldehyde detection and complex multi-parameter monitoring.
Why it matters
Expanding access to specialized sensing hardware enables designers to integrate sophisticated air quality monitoring and gas detection into smaller, more power-constrained device footprints.
The SFA40 formaldehyde sensor measures 10 by 13 by 2.4 millimeters, while the STCC4 sensor is notably more compact at 4 by 3 by 1.2 millimeters. These additions join the SEN6x module, which utilizes embedded processing algorithms to track particulate matter, humidity, temperature, VOC, NOx, and either CO2 or formaldehyde.
The players
Mouser Electronics
A global distributor of semiconductors and electronic components that maintains a high-velocity supply chain for industrial and consumer engineering teams.
Sensirion
A manufacturer specializing in digital microsensors and systems for the measurement and control of environmental parameters.
The details
The Sensirion SGD4x A2L sensors operate by using thermal conductivity measurement—a method that detects changes in the heat-conducting properties of a gas to trigger integrated dual-contact relay outputs. Meanwhile, the SEN6x sensor module centralizes data by employing embedded processing algorithms—small programs stored directly on the device's chip—to integrate readings from multiple sensing technologies simultaneously.
Timeline
2014: Mouser and Sensirion established their distribution partnership.
The Tech Race
This release follows the established pattern of component miniaturization and integration set by the SEN6x environmental sensor module product line. The industry is currently in a race to consolidate air quality tracking into smaller modules that reduce the processing overhead required for multi-sensor arrays.
Developers and systems engineers can now source these sensors for integration into new air quality and HVAC control hardware. The availability of these modules simplifies the design process for compact monitoring devices that require real-time detection of volatile organic compounds and particulate matter.
The takeaway
The move underscores the growing demand for low-power, high-density sensing modules in consumer and industrial devices. Engineers should track the integration of these specific A2L-compatible relays into next-generation air safety and environmental monitoring hardware.
Further reading
For more on the latest hardware for air quality measurement, visit the Environmental section.
Source note: This article includes information reported by Electronic Specifier.
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