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Back to catalog

STS4L

  • All products
  • •Temperature sensors
  • •STS4x

±0.4°C Ultra-low-power temperature sensor

The STS4L is a fully digital, highly cost-effective temperature sensor that provides the accuracy required for most applications. It features enhanced signal processing, three distinctive I²C addresses and communication speeds of up to 1 MHz. With a footprint of just 1.5 × 1.5 x 0.5 mm, it is easy to integrate into a variety of applications, and its wide supply voltage range and low power consumption enable battery-powered designs. The STS4L is designed for mass production, has a high signal-to-noise ratio and high process capability, and has a proven record of long-term reliability and stability.

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Specification

Temperature
Typ. temperature accuracy0.4°C0.4°C
Operating temperature range [°C]-40 - 125°C-40 - 125°C
Response time (τ63%)2s2s
Generic
Supply voltage1.08 - 3.6V1.08 - 3.6V

Downloads

Handling instructions STS
  • 06/2025•
  • PDF•
  • 158.0 KB
Application noteDownload Handling instructions STS06/2025Download Handling instructions STSPDFDownload Handling instructions STS158.0 KBDownload Handling instructions STS
Datasheet STS4x
  • 02/2025•
  • PDF•
  • 570.7 KB
DatasheetDownload Datasheet STS4x02/2025Download Datasheet STS4xPDFDownload Datasheet STS4x570.7 KBDownload Datasheet STS4x
Design-in guide SHT/STS
  • 04/2024•
  • PDF•
  • 822.1 KB
GuideDownload Design-in guide SHT/STS04/2024Download Design-in guide SHT/STSPDFDownload Design-in guide SHT/STS822.1 KBDownload Design-in guide SHT/STS
Design-in guide SHT/STS Chinese
  • 06/2024•
  • PDF•
  • 1.2 MB
GuideDownload Design-in guide SHT/STS Chinese06/2024Download Design-in guide SHT/STS ChinesePDFDownload Design-in guide SHT/STS Chinese1.2 MBDownload Design-in guide SHT/STS Chinese
Arduino driver I2C STS4x
  • Link•
SoftwareDownload Arduino driver I2C STS4xDownload Arduino driver I2C STS4xLinkDownload Arduino driver I2C STS4xDownload Arduino driver I2C STS4x
Embedded drivers temperature
  • Link•
SoftwareDownload Embedded drivers temperatureDownload Embedded drivers temperatureLinkDownload Embedded drivers temperatureDownload Embedded drivers temperature
Calibration certification SHT/STS
  • 08/2021•
  • PDF•
  • 110.4 KB
CertificateDownload Calibration certification SHT/STS08/2021Download Calibration certification SHT/STSPDFDownload Calibration certification SHT/STS110.4 KBDownload Calibration certification SHT/STS
REACH and RoHS declaration SHT/STS
  • 04/2026•
  • PDF•
  • 107.3 KB
CertificateDownload REACH and RoHS declaration SHT/STS04/2026Download REACH and RoHS declaration SHT/STSPDFDownload REACH and RoHS declaration SHT/STS107.3 KBDownload REACH and RoHS declaration SHT/STS
Temperature brochure Japanese
  • 05/2025•
  • PDF•
  • 1.4 MB
FlyerDownload Temperature brochure Japanese05/2025Download Temperature brochure JapanesePDFDownload Temperature brochure Japanese1.4 MBDownload Temperature brochure Japanese
Temperature product flyer
  • 10/2024•
  • PDF•
  • 1.1 MB
FlyerDownload Temperature product flyer10/2024Download Temperature product flyerPDFDownload Temperature product flyer1.1 MBDownload Temperature product flyer
Temperature product flyer Chinese
  • 03/2025•
  • PDF•
  • 1.2 MB
FlyerDownload Temperature product flyer Chinese03/2025Download Temperature product flyer ChinesePDFDownload Temperature product flyer Chinese1.2 MBDownload Temperature product flyer Chinese
  • Home
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  • STS4L
Average supply current0.4uA0.4uA
InterfacesI²CI²C
Size (LxWxH)1.5 x 1.5 x 0.55mm1.5 x 1.5 x 0.55mm
Packaging size10'000pcs (T&R)10'000pcs (T&R)

Sensor evaluation

Buy the following products to evaluate this sensor

NameDescriptionSeriesCategory
SEK-SensorBridgeConnecting bridge with two sensor portsSEK-SensorBridge
SEK-STS40-CD1BTemperature evaluation kit STS40SEK-STS4xTemperature sensors

SEK-SensorBridge

Connecting bridge with two sensor ports

SEK-SensorBridge

SEK-STS40-CD1B

Temperature evaluation kit STS40

SEK-STS4x

Temperature sensors

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

Applications for this product

Smart speakers

Air quality sensors turn smart speakers into intelligent indoor air monitors

Learn more

Thermostats

Why thermostats depend on accurate sensors

Learn more

Thermal analysis

Characterization of material properties in a repeatable, accurate manner

Learn more

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