SCD40 Photoacoustic CO2 Air Quality Sensor 10.1×10.1×6.5mm SMD Assembly with 0-40,000 ppm Range
Sensirion's next-generation miniature carbon dioxide sensor featuring advanced photoacoustic technology for high-accuracy environmental monitoring in compact SMD packages.
The SCD4x series represents Sensirion's cutting-edge CO2 sensor platform, utilizing patented photoacoustic sensing principles combined with PAsens® and CMOSens® technologies. This innovative approach delivers exceptional measurement accuracy while maintaining the smallest form factor available in the market.
- Photoacoustic sensor technology (PASens®) for reliable CO2 detection
- Ultra-compact dimensions: 10.1 × 10.1 × 6.5 mm³
- Wide measurement range: 0 ppm to 40,000 ppm CO2 concentration
- High accuracy: ±(40 ppm + 5%) for precise environmental monitoring
- Broad voltage compatibility: 2.4V to 5.5V supply range
- Digital I2C interface for easy system integration
- Integrated SHT4x temperature and humidity sensor
- Low power consumption:
- SMD assembly compatible for cost-effective manufacturing
| Moisture Sensitivity | Yes |
| Installation Style | SMD/SMT |
| Product Type | Air Quality Sensors |
| Supply Voltage Maximum | 5.5 V |
| Supply Voltage Minimum | 2.4 V |
SMD assembly capability enables space-efficient integration while providing maximum design flexibility. The on-chip signal compensation system, powered by the integrated SHT4x sensor, ensures reliable performance across varying environmental conditions without requiring external calibration components.
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