SHT40I-BD1B

New

±2% Digital humidity and temperature sensor / 0x45 I2C Output

Contact sales

Specification

Humidity
Typ. relative humidity accuracy
2
2 %RH
Operating relative humidity range
0 - 100
0 - 100 %RH
Response time (τ63%)
4
4 s
Temperature
Typ. temperature accuracy
0.2
0.2 °C
Response time (τ63%)
2
2 s
Generic
Supply voltage
2.3 - 5.5
2.3 - 5.5 V
Average supply current
21
21 uA
Operating temperature range [°C]
-40 - 125
-40 - 125 °C
Interfaces
I²C
I²C
Size (LxWxH)
1.5 x 1.5 x 0.5
1.5 x 1.5 x 0.5 mm³
Packaging size
10000
10000 pcs (T&R)

Downloads

Name Type Date File Size
Datasheet SHT4xI-Digital

04/2024

File

940.9 KB

Datasheet 04/2024 PDF 940.9 KB
Creep mitigation SHT4xX

05/2022

File

277.8 KB

Application note 05/2022 PDF 277.8 KB
Handling instructions SHT

03/2023

File

453.7 KB

Application note 03/2023 PDF 453.7 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
Water Activity Measurement aW

04/2023

File

182.0 KB

Application note 04/2023 PDF 182.0 KB
Contamination guide for humidity and temperature sensors

10/2024

File

849.1 KB

Guide 10/2024 PDF 849.1 KB
Contamination guide for humidity and temperature sensors chinese

11/2024

File

2.9 MB

Guide 11/2024 PDF 2.9 MB
Design-in guide SHT/STS

04/2024

File

822.1 KB

Guide 04/2024 PDF 822.1 KB
Design-in guide SHT/STS chinese

06/2024

File

1.2 MB

Guide 06/2024 PDF 1.2 MB
Embedded drivers humidity

10/2021

Link

-

Software 10/2021 Link -
SEK-ControlCenter (all devices)

10/2021

Link

-

Software 10/2021 Link -
Calibration certification SHT/STS

08/2021

File

110.4 KB

Certificate 08/2021 PDF 110.4 KB
Humidity brochure chinese

06/2023

File

5.1 MB

Flyer 06/2023 PDF 5.1 MB
Humidity product flyer

10/2024

File

1.0 MB

Flyer 10/2024 PDF 1.0 MB

Sensor evaluation

Buy the following products to evaluate this sensor

Name Description Series Category
SEK-SHT40I
Digital humidity and temperature evaluation kit 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

Latest Humidity sensors

New

SHT40-CD1B

±1.8% / max. ±3.5% RH Digital humidity & temp. sensor / 0x46 I2C Output

  • Sensor
  • Humidity
New

SHT40-BD1B

±1.8% / max. ±3.5% RH Digital humidity & temp. sensor / 0x45 I2C Output

  • Sensor
  • Humidity
New

SHT41A-BD1B

±2% humidity sensor for automotive applications / I2C interface

  • Sensor
  • Humidity
New

SHT41A-FD1B

±2% humidity sensor for automotive applications / PWM interface

  • Sensor
  • Humidity
Active

SHT43

Digital humidity sensor with ISO17025 certification

  • Sensor
  • Humidity
Active

SEK-SHT40-AD1F

Evaluation kit for SHT40 humidity sensor with filter membrane

  • Evaluation kit
  • Humidity
New

SHT45-AD1F

±1.0% RH digital humidity sensor / filter membrane

  • Sensor
  • Humidity

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.