ShenzhenYijiajie Electronic Co., Ltd.
| Payment Terms | L/C, D/A, D/P, T/T, Western Union |
| Supply Ability | 1000PCS/Month |
| Delivery Time | 3-5Workingdays |
| Packaging Details | Standard Box |
| Power Supply | 3.3V–5V DC |
| Operating Current | 3 mA (Typical) |
| Sleep Current | < 10 μA |
| Detection Targets | TVOC and NOx |
| Brand Name | YJJ |
| Model Number | GY-SGP41 |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, D/A, D/P, T/T, Western Union | Supply Ability | 1000PCS/Month |
| Delivery Time | 3-5Workingdays | Packaging Details | Standard Box |
| Power Supply | 3.3V–5V DC | Operating Current | 3 mA (Typical) |
| Sleep Current | < 10 μA | Detection Targets | TVOC and NOx |
| Brand Name | YJJ | Model Number | GY-SGP41 |
| Place of Origin | China | ||
| High Light | VOC NOx air quality sensor ，I2C interface gas sensor ，GY-SGP41 air quality module | ||
GY-SGP41 Module Air Quality Sensor for VOC and NOx I2C Interface
Typical Applications
* Air Purifiers, Fresh Air Systems, Air Conditioners (Auto-speed / Start-Stop Control)
* Smart Home & IoT Air Quality Monitoring Terminals
* Air Monitoring in Offices, Bedrooms, Kitchens, and Vehicles
Measured Values
| VOC Index | 0–500 (dimensionless); corresponds to 0–1000 ppb ethanol equivalent |
| NOx Index | 0–500 (dimensionless) |
| Response Time τ63% | < 10 s (fast response) |
| Baseline Stabilization | Approx. 1 hour after power-on |
Environmental Conditions and Lifespan
| Operating Temperature | −10°C to +50°C |
| Humidity | 10%–90% RH (Non-condensing) |
| Lifespan | > 5 years (Continuous indoor operation; long-term stability with low drift) |
Module Physical Specifications
| Dimensions | 13 mm × 10.5 mm × 2 mm |
| Pins | 4-pin (VCC, GND, SCL, SDA), 2.54 mm pitch |
| Interface | I2C (Directly compatible with Arduino/ESP32/STM32/Raspberry Pi) |
Company Details
Business Type:
Manufacturer,Trading Company
Year Established:
2006
Total Annual:
900000-1000000
Employee Number:
50~80
Ecer Certification：
Verified Supplier
Yijiajie Electronics is a full range of silicon pressure sensors from the United States, FREESCALE/, GE, MEAS, SMI, and a full range of sensing and control products from the United States pressure, temperature and humidity, gas flow, current, Hall effect, etc., Japan HAMAMATSU flame, UV sensors, ph... Yijiajie Electronics is a full range of silicon pressure sensors from the United States, FREESCALE/, GE, MEAS, SMI, and a full range of sensing and control products from the United States pressure, temperature and humidity, gas flow, current, Hall effect, etc., Japan HAMAMATSU flame, UV sensors, ph...
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