SHT40I-HD1B-R2 is out of stock and can be placed on backorder.
Available Substitutes:

Direct


Sensirion AG
In Stock: 0
Unit Price: $2.92000
Datasheet
Humidity, Temperature 0 ~ 100% RH I2C ±2.5% RH 4 s Surface Mount
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
Humidity, Temperature 0 ~ 100% RH I2C ±2.5% RH 4 s Surface Mount
4-WDFN Exposed Pad

SHT40I-HD1B-R2

DigiKey Part Number
1649-SHT40I-HD1B-R2TR-ND - Tape & Reel (TR)
1649-SHT40I-HD1B-R2CT-ND - Cut Tape (CT)
1649-SHT40I-HD1B-R2DKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
SHT40I-HD1B-R2
Description
INDUSTRIAL HUMIDITY AND TEMP SEN
Manufacturer Standard Lead Time
8 Weeks
Customer Reference
Detailed Description
Humidity, Temperature 0 ~ 100% RH I2C ±2.5% RH 4 s Surface Mount
Datasheet
 Datasheet
Product Attributes
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Category
Accuracy
±2.5% RH
Manufacturer
Sensirion AG
Response Time
4 s
Series
Sensitivity
40mV/%RH
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Voltage - Supply
4.5V ~ 5.5V
Part Status
Active
Mounting Type
Surface Mount
Sensor Type
Humidity, Temperature
Operating Temperature
-40°C ~ 125°C
Humidity Range
0 ~ 100% RH
Package / Case
4-WDFN Exposed Pad
Output Type
I2C
Supplier Device Package
4-DFN (1.5x1.5)
Associated Products
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (1)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
SHT40I-BD1B-R3Sensirion AG01649-SHT40I-BD1B-R3TR-ND$2.92000Direct
In-Stock: 0
2,500 estimated in stock on 19-Nov-2026
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All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$3.03000$3.03
5$2.55600$12.78
10$2.37400$23.74
25$2.15480$53.87
50$2.00220$100.11
100$1.86050$186.05
500$1.56940$784.70
1,000$1.45859$1,458.59
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
2,500$1.32411$3,310.27
5,000$1.23072$6,153.60
7,500$1.18750$8,906.25
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