SHT40-BD1F

New

±1.8% RH humidity sensor with membrane / 0x45 I2C Output

Specification

Humidity
Typ. relative humidity accuracy
1.8
%RH
Operating relative humidity range
0 - 100
%RH
Response time (τ63%)
4
s
Calibration certificate
Factory calibration
Temperature
Typ. temperature accuracy
0.2
°C
Operating temperature range
-40 - 125
°C
Response time (τ63%)
2
s
Generic
Supply voltage
1.08 - 3.6
V
Average supply current
0.4
uA
Interfaces
I²C
Package size (LxWxH)
1.5 x 1.5 x 0.69
mm³
Packaging size
2500, 10000
pcs (T&R)

Technical downloads

Name
Type
Date
File
Size
SEK-ControlCenter (all devices)
Viewer software
10/2021
Link
-
Datasheet SHT4x
Datasheet
01/2023
Link
887.1 KB
Creep mitigation SHT4xX
Application note
05/2022
PDF
277.8 KB
Heater decontamination SHT4xX
Application note
03/2022
PDF
403.1 KB
Transition from SHT3x to SHT4x
Application note
12/2022
PDF
370.1 KB
Transitioning from SHTW2 to SHT4x
Application note
08/2020
PDF
474.3 KB
Embedded drivers humidity
Software
10/2021
Link
-
Conditions of thermal comfort
Application note
02/2010
PDF
63.0 KB
ESD, Latch-up and EMC
Application note
03/2009
PDF
148.9 KB
Humidity at a glance
Application note
06/2021
PDF
178.3 KB
Introduction to humidity
Application note
08/2009
PDF
224.9 KB
Specification statement and testing humidity sensors
Application note
04/2021
PDF
306.8 KB
Testing at ambient conditions SHT
Application note
10/2022
PDF
443.0 KB
Design-in guide SHT/STS
User guide
05/2019
PDF
458.7 KB
Handling instructions SHT
User guide
06/2021
PDF
310.1 KB
REACH and RoHS declaration SHT/STS
Certificate
07/2022
PDF
93.7 KB
Humidity sensors brochure
Flyer
01/2022
PDF
936.7 KB
Indoor air quality brochure
Flyer
10/2021
PDF
7.7 MB

Buy the following product to evaluate this sensor

In line with Sensirion’s industry-proven humidity and temperature sensors, the SHT4x offers the best price-performance ratio on the market. Tape and reel packaging combined with its suitability for standard SMD assembly processes make the SHT4x ideal for high-volume applications.

The SHT4x builds on a completely new and optimized CMOSens® chip that offers reduced power consumption and improved accuracy specifications. With the extended supply voltage range from 1.08 V to 3.6 V, it’s the perfect fit for consumer and battery-driven applications. The integrated SHT4x PTFE membrane provides additional protection from particles, and enables sensor operation in harsh conditions.

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