Sensirion Carbon Dioxide Gas Sensor IC for CO Detectors STC31-R3

Sensirion STC31-R3 Carbon Dioxide Gas Sensor IC is an advanced environmental sensor for CO detectors, integrating thermal conductivity measurement technology for accurate and long-term stable CO2 gas sensing. The sensor offers high accuracy of ±1.5°C and fast response time of 14 milliseconds, making it suitable for precise air quality monitoring applications.

This sensor IC operates with a minimum supply voltage of 2.7V and a maximum of 5.5V, ensuring compatibility with a wide range of low power systems. With a 12-pin layout and a digital I2C interface, it interfaces easily with microprocessors for efficient signal processing and digital calibration.

The compact size of 3.5 mm by 3 mm by 1 mm allows for integration in small form factor devices, while its operating temperature range of -20°C to 85°C supports use in diverse environmental conditions, including automotive and industrial air quality monitoring.

Thermal conductivity sensing technology guarantees ultra-low power consumption, making the STC31-R3 ideal for battery-powered applications where energy efficiency is critical. The sensor is part of Sensirion's STC3x family, known for industry-proven technology with over 15 years of experience and optimized for high-volume mass production with excellent process capability.

The sensor detects carbon dioxide for accurate CO2 measurements. Features ±1.5°C accuracy for reliable temperature sensing. Offers a fast response time of 14 milliseconds. Operates within a supply voltage range of 2.7V to 5.5V.

Includes 12 pins and supports I2C interface. Supports a wide operating temperature from -20°C to 85°C. Compact dimensions: 3.5 mm length, 3 mm width, 1 mm height. Low power consumption via thermal conductivity principle.

Designed for mass production with CMOSens® technology. Suitable for industrial, laboratory, environmental monitoring, and HVAC applications.

This Sensirion sensor IC finds application in environmental sensor ICs for the automotive, laboratory, commercial air quality, and HVAC sectors, facilitating accurate CO2 detection and robust performance. The device is provided new with original manufacturing quality assurance. Explore more sensor ICs and environmental sensing solutions with Sensirion products on EnvMart.