# SCD40-D-R2 (Component) ## Description Air Quality Sensor I2C #commonpartslibrary #sensor #airquality ## Component Details - **Owner:** adrian95 - **Created:** 3/4/2024 - **Last Updated:** 5/23/2024 - **Visibility:** Public - **License:** https://creativecommons.org/licenses/by/4.0/ - **Part Type:** Sensor - **Manufacturer Part Number:** SCD40-D-R2 - **Manufacturer Name:** Sensirion AG - **Datasheet URL:** https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/5553/SCD4x_Ver1.4_Feb2023.pdf - **Used in:** 28 projects ## Distributor Pricing (qty 1) *Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.* | Distributor | Unit Price (qty 1) | Stock | |------------|--------------------|-------| | [Arrow](https://www.arrow.com/en/products/scd40-d-r2/sensirion-ag.html?utm_currency=USD&region=nac) | N/A | N/A | | [Digi-Key](https://www.digikey.com/en/products/detail/sensirion-ag/SCD40-D-R2/13684003) | N/A | N/A | | [LCSC](https://www.lcsc.com/product-detail/gas sensors_sensirion_scd40-d-r2_C3659421.html) | $20.2957 | 232 | | [Mouser](https://www.mouser.com/ProductDetail/Sensirion/SCD40-D-R2?qs=HBWAp0VN4RjIKW%252BlMeZn1w%3D%3D) | $17.95 | 0 | | [Verical](https://www.verical.com/pd/sensirion-air-quality-sensor-SCD40DR2-12247206?utm_currency=USD) | N/A | N/A | - **Part Type:** Sensors - **MPN:** SCD40-D-R2 - **Pin Count:** 21 ## Pins | Pin | Name | Type | |-----|------|------| | 1 | DNC_1 | | | 2 | DNC_2 | | | 3 | DNC_3 | | | 4 | DNC_4 | | | 5 | DNC_5 | | | 6 | GND_1 | | | 7 | VDD | | | 8 | DNC_6 | | | 9 | SCL | | | 10 | SDA | | | 11 | DNC_7 | | | 12 | DNC_8 | | | 13 | DNC_9 | | | 14 | DNC_10 | | | 15 | DNC_11 | | | 16 | DNC_12 | | | 17 | DNC_13 | | | 18 | DNC_14 | | | 19 | VDDH | | | 20 | GND_2 | | | 21 | GND_3 | | --- *Generated from [https://www.flux.ai/adrian95/scd40-d-r2](https://www.flux.ai/adrian95/scd40-d-r2)*