SHT3x Humidity Sensors Family (12 parts in our catalog)

The SHT3x family from Sensirion represents the industry standard in digital humidity and temperature sensing. Built on a CMOSens technology platform, these sensors integrate a capacitive sensing element with high-precision signal processing logic. The family includes the SHT30, SHT31, and SHT35, scaling in accuracy grades to meet various cost and performance requirements. These components are primarily used in environmental monitoring where high reliability, fast response times, and long-term stability are critical for system performance in industrial and consumer electronics.

Key Features

• Fully calibrated, linearized, and temperature compensated digital output
• Wide supply voltage range from 2.15 V to 5.5 V
• I2C interface with communication speeds up to 1 MHz
• High reliability with long-term stability in harsh environments
• Small 8-pin DFN package for space-constrained PCB designs

Sub-families

Typical Use Cases

Embedded engineers specify SHT3x sensors for applications requiring precise climate control and environmental data acquisition. In HVAC systems, they provide feedback for automated thermostats and humidifiers to maintain indoor air quality. In the automotive sector, they are integrated into climate control modules and defogging systems to prevent windshield condensation. The sensors are also prevalent in industrial cold chain logistics, where they monitor perishable goods during transport to ensure compliance with temperature and moisture regulations. Furthermore, their low power consumption makes them ideal for battery-operated IoT sensor nodes used in smart agriculture for soil-surface monitoring and in smart home weather stations. The high-accuracy SHT35 variant is particularly suited for medical devices such as respiratory equipment where precise humidity levels are vital for patient safety.

Popular Variants

Top variants from across the family, with specs that differentiate them.

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