EmbeddedRelated.com
The 2026 Embedded Online Conference
SHT31-DIS-B

SHT31-DIS-B

Sensirion
Higher-accuracy Sensirion humidity/temperature option in the same family
Active12,405 in stock

Overview

The Sensirion SHT31-DIS-B is a high-accuracy digital humidity and temperature sensor. It features a 16-bit output via an I2C interface and operates across a wide supply voltage range from 2.15V to 5.5V, making it suitable for various embedded applications. Its compact 2.5mm x 2.5mm DFN package integrates a fully calibrated and compensated sensing element.

Why Choose This Part

Engineers benefit from the SHT31-DIS-B's high accuracy of +/-2% RH and 0.01 degreeC, ensuring reliable measurements for critical applications. The I2C interface simplifies integration with microcontrollers, and features like the internal heater and Alert function enhance its versatility. Its wide operating temperature range of -40 degreesC to 125 degreesC allows deployment in harsh environments.

Applications

HVAC Systems
Precisely monitors ambient conditions for climate control and energy efficiency in heating, ventilation, and air conditioning systems.
Environmental Monitoring
Provides accurate humidity and temperature data for weather stations, air quality monitors, and agricultural sensing.
Data Loggers
Enables reliable long-term data acquisition for critical environmental parameters in industrial and scientific settings.
Smart Home Devices
Integrates into smart thermostats, humidifiers, and other IoT devices to optimize comfort and automate environmental control.
Medical Devices
Used in applications requiring precise environmental control and monitoring, such as incubators or pharmaceutical storage.

Key Specifications

Output 16b
Accuracy +/-2% RH
Output Type I2C
Sensor Type Humidity, Temperature
Mounting Type Surface Mount
Response Time 8 s
Humidity Range 0 ~ 100% RH
Package / Case 8-VFDFN Exposed Pad
Voltage - Supply 2.15V ~ 5.5V
Operating Temperature -40degC ~ 125degC
Supplier Device Package 8-DFN (2.5x2.5)

Getting Started

To get started with the SHT31-DIS-B, use a development board with I2C capabilities, such as an Arduino or Raspberry Pi. Sensirion provides comprehensive documentation, application notes, and example code on their website. Many open-source libraries are available for various platforms to simplify sensor communication and data reading.

SHT31 Family

Comparing specs that differ across variants. The current part is highlighted.

Part Number Output Type Voltage Stock
SHT31-DIS-B (this part) I2C 2.15V 12,405
SHT31-ARP-B (Sensirion AG) Analog Voltage 2.4V 9,622
Also available as: SHT31A-DIS-B2.5kS, SHT31A-DIS-B10kS, SHT31-ARP-B2.5kS, SHT31-DIS-B10kS, SHT31

Also Consider

SHT40-AD1B-R2 Sensirion - A newer generation sensor from Sensirion that may offer improved performance or power efficiency in a similar form factor.
BME280 Bosch Sensortec - Provides temperature, humidity, and barometric pressure sensing in a single package, useful for multi-parameter environmental monitoring.
The 2026 Embedded Online Conference