SHT40-AD1B-R3 is out of stock and can be placed on backorder.
Available Substitutes:

Direct


Sensirion AG
In Stock: 0
Unit Price: $2.25000
Datasheet
Humidity, Temperature 0 ~ 100% RH I2C ±1.8% 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 ±1.8% RH 4 s Surface Mount
4-WDFN Exposed Pad

SHT40-AD1B-R3

DigiKey Part Number
1649-SHT40-AD1B-R3TR-ND - Tape & Reel (TR)
1649-SHT40-AD1B-R3CT-ND - Cut Tape (CT)
1649-SHT40-AD1B-R3DKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
SHT40-AD1B-R3
Description
SENSOR HUMIDITY 100 RH SMD
Manufacturer Standard Lead Time
8 Weeks
Customer Reference
Detailed Description
Humidity, Temperature 0 ~ 100% RH I2C ±1.8% RH 4 s Surface Mount
Datasheet
 Datasheet
EDA/CAD Models
SHT40-AD1B-R3 Models
Product Attributes
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Category
Output
16b
Manufacturer
Sensirion AG
Accuracy
±1.8% RH
Series
Response Time
4 s
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Voltage - Supply
1.08V ~ 3.6V
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)
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (1)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
SHT40-AD1B-R2Sensirion AG01649-SHT40-AD1B-R2TR-ND$2.25000Direct
In-Stock: 0
10,000 estimated in stock on 04-Dec-2026
Request Stock Notification
All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$1.80000$1.80
5$1.59800$7.99
10$1.52300$15.23
25$1.43240$35.81
50$1.37060$68.53
100$1.31420$131.42
500$1.20054$600.27
1,000$1.15827$1,158.27
5,000$1.10165$5,508.25
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
10,000$1.04140$10,414.00
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