SCD40-D-R1 is out of stock and can be placed on backorder.
Available Substitutes:

Direct


Sensirion AG
In Stock: 105
Unit Price: $29.70000
Datasheet
Carbon Dioxide (CO2), Humidity, Temperature Sensor I2C
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
Carbon Dioxide (CO2), Humidity, Temperature Sensor I2C
SCD4x CO2 Sensor Evaluation Kit: Introduction

SCD40-D-R1

DigiKey Part Number
1649-SCD40-D-R1TR-ND - Tape & Reel (TR)
1649-SCD40-D-R1CT-ND - Cut Tape (CT)
1649-SCD40-D-R1DKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
SCD40-D-R1
Description
SENSOR AIR QUALITY I2C OUTPUT
Manufacturer Standard Lead Time
10 Weeks
Customer Reference
Detailed Description
Carbon Dioxide (CO2), Humidity, Temperature Sensor I2C
Datasheet
 Datasheet
EDA/CAD Models
SCD40-D-R1 Models
Product Attributes
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Category
Accuracy
±5%
Manufacturer
Sensirion AG
Output
I2C
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Operating Temperature
-10°C ~ 60°C
Part Status
Active
Voltage - Supply
2.4V ~ 5.5V
Type
Carbon Dioxide (CO2), Humidity, Temperature
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (1)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
SCD40-D-R2Sensirion AG1051649-SCD40-D-R2TR-ND$29.70000Direct
In-Stock: 0
60 estimated in stock on 10-Dec-2026
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All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$32.38000$32.38
5$27.30200$136.51
10$25.37200$253.72
25$23.03000$575.75
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
60$15.78650$947.19
120$15.31900$1,838.28
180$15.06361$2,711.45
300$14.75963$4,427.89
420$14.56971$6,119.28
600$14.37673$8,626.04
Tariff Status: Tariff may apply if shipping to the United States. Estimated tariff costs will be calculated and displayed in the shopping cart to help you assess potential expenses.