SHT40A-AW1B

±3% humidity sensor for automotive applications / wettable flanks

Specification

Humidity
Typ. relative humidity accuracy
3
3 %RH
Operating relative humidity range
0 - 100
0 - 100 %RH
Response time (τ63%)
4
4 s
Temperature
Typ. temperature accuracy
0.3
0.3 °C
Operating temperature range
-40 - 125
-40 - 125 °C
Response time (τ63%)
2
2 s
Generic
Supply voltage
2.3 - 5.5
2.3 - 5.5 V
Average supply current
19
19 uA
Interfaces
I²C
I²C
Size (LxWxH)
1.5 x 1.5 x 0.5
1.5 x 1.5 x 0.5 mm³
Packaging size
2500, 10000
2500, 10000 pcs (T&R)

Technical downloads

Name Type Date File Size
Datasheet SHT4xA

02/2024

File

807.7 KB

Datasheet 02/2024 PDF 807.7 KB
SEK-ControlCenter (all devices)

10/2021

Link

-

Viewer software 10/2021 Link -
Creep mitigation SHT4xX

05/2022

File

277.8 KB

Application note 05/2022 PDF 277.8 KB
Handling instructions SHT

03/2023

File

456.8 KB

Application note 03/2023 PDF 456.8 KB
Heater decontamination SHT4xX

02/2024

File

386.5 KB

Application note 02/2024 PDF 386.5 KB
Humidity at a glance

06/2021

File

178.3 KB

Application note 06/2021 PDF 178.3 KB
Introduction to humidity

08/2009

File

224.9 KB

Application note 08/2009 PDF 224.9 KB
Specification statement and testing humidity sensors

04/2021

File

306.8 KB

Application note 04/2021 PDF 306.8 KB
Testing at ambient conditions SHT

10/2022

File

443.0 KB

Application note 10/2022 PDF 443.0 KB
Transitioning from SHTW2 to SHT4x

08/2020

File

347.9 KB

Application note 08/2020 PDF 347.9 KB
Embedded drivers humidity

10/2021

Link

-

Software 10/2021 Link -
Calibration certification SHT/STS

08/2021

File

110.4 KB

Certificate 08/2021 PDF 110.4 KB
REACH and RoHS declaration SHT/STS

02/2024

File

106.6 KB

Certificate 02/2024 PDF 106.6 KB
Humidity brochure chinese

06/2023

File

5.1 MB

Flyer 06/2023 PDF 5.1 MB
Humidity sensors brochure

01/2022

File

936.7 KB

Flyer 01/2022 PDF 936.7 KB

Sensor evaluation

Buy the following products to evaluate this sensor

Name Description Series Category
SEK-SHT40A
Temperature evaluation kit SHT40A SEK-SHTxx Humidity

Download the respective viewer software to start measuring

Go to download center

Start testing our sensors fast and easy with the evaluation kits

How to get started

Smart sensors for your application

Sensirion's sensor solutions are used in a wide range of applications and markets. Our reliable environmental and flow sensors improve energy efficiency, increase health and ensure safety and comfort.