SHT21

NRND

±2% Digital humidity and temperature sensor

Successor product

Name Description Series Category
SHT41
±1.8% / max. ±2.5% RH Digital humidity and temperature sensor SHT4x Humidity

Specification

Humidity
Typ. relative humidity accuracy
2
2 %RH
Operating relative humidity range
0 - 100
0 - 100 %RH
Response time (τ63%)
8
8 s
Calibration certificate
Factory calibration
Factory calibration
Temperature
Typ. temperature accuracy
0.3
0.3 °C
Operating temperature range
-40 - 125
-40 - 125 °C
Response time (τ63%)
5
5 s
Generic
Supply voltage
2.1 - 3.6
2.1 - 3.6 V
Average supply current
300
300 uA
Max. supply current
330
330 uA
Interfaces
I²C
I²C
Size (LxWxH)
3 x 3 x 1.1
3 x 3 x 1.1 mm³
Packaging size
400, 1500, 5000
400, 1500, 5000 pcs (T&R)

Technical downloads

Name Type Date File Size
Datasheet SHT21

10/2022

File

408.5 KB

Datasheet 10/2022 PDF 408.5 KB
SHT21 interfacing with EnOcean STM300

09/2011

File

300.9 KB

Application note 09/2011 PDF 300.9 KB
SHT21 using Telran

10/2011

File

452.2 KB

Application note 10/2011 PDF 452.2 KB
Sample code SHT21

10/2021

File

18.5 KB

Software 10/2021 ZIP 18.5 KB
SEK-ControlCenter (all devices)

10/2021

Link

-

Viewer software 10/2021 Link -
CRC cecksum calculation SHT2x

12/2011

File

137.0 KB

Application note 12/2011 PDF 137.0 KB
Embedding SHT2x in 5V supply

06/2012

File

186.9 KB

Application note 06/2012 PDF 186.9 KB
Handling instructions SHT

03/2023

File

456.8 KB

Application note 03/2023 PDF 456.8 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
STEP file SHT2x

10/2021

File

151.4 KB

CAD 10/2021 ZIP 151.4 KB
Calibration certification SHT/STS

08/2021

File

110.4 KB

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

03/2024

File

106.6 KB

Certificate 03/2024 PDF 106.6 KB

Accessories

Name Description Series Category
SF2 filter cap
Filter cap for SHT2x to SHT4x humidity and temperature sensors SFx filter cap Humidity

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