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| Part Number | STC31-R3 | STC31-C-R3 | STC31-C-R5 | STC31-R5 |
| Manufacturer | Sensirion AG | Sensirion AG | Sensirion AG | Sensirion AG |
| Series | - | CMOSens® | CMOSens® | - |
| Packaging | Tape & Reel (TR) | Tape & Reel (TR) | Tape & Reel (TR) | Tape & Reel (TR) |
| Product Status | Obsolete | Active | Active | Obsolete |
| Type | Carbon Dioxide (CO2) | Carbon Dioxide (CO2) | Carbon Dioxide (CO2) | Carbon Dioxide (CO2) |
| Oxygen Range | - | 200 mbar ~ 2000 mbar | 200 mbar ~ 2000 mbar | - |
| Accuracy | ±0.5% | ±0.5% | ±0.5% | ±0.5% |
| Output | I2C | I2C | I2C | I2C |
| Operating Temperature | -20°C ~ 85°C | -40°C ~ 105°C | -40°C ~ 105°C | -20°C ~ 85°C |
| Voltage - Supply | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 2.7V ~ 5.5V |
| Current - Supply | 5mA | 5mA | 5mA | 5mA |
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