
SHT31-DIS-B2.5KS
$2.24
Relative Humidity & Temperature Sensor, Digital
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SHT31-DIS-B2.5KS – Digital Humidity & Temperature Sensor – Sensirion
Precision environmental sensing meets robust performance with the Sensirion SHT31-DIS-B2.5KS digital humidity and temperature sensor. Designed for critical monitoring applications, this surface-mount IC delivers ±2% RH accuracy, ultra-low power consumption, and I2C digital output – all in a compact 2.5×2.5mm DFN package. Trust PCX for guaranteed authentic Sensirion components with same-day shipping.
Key Features
Dual Sensing: Measures relative humidity (0-100% RH) and temperature (-40°C to 125°C)
High Accuracy: ±2% RH humidity precision / ±0.3°C temperature resolution
Wide Voltage Range: Operates from 2.15V to 5.5V
Fast Response: 8-second humidity sensing time
Digital Interface: I2C output with 16-bit resolution
Robust Design: Industrial-grade (-40°C to 125°C operating range)
Technical Details
This MEMS-based sensor features a factory-calibrated CMOSens® chip for drift-free measurements. The 8-VFDFN exposed pad package ensures optimal thermal coupling. Its I2C interface supports communication speeds up to 1 MHz and includes programmable alerts. The device complies with JEDEC JESD47 qualification standards for reliability in harsh environments.
Typical Applications
HVAC and climate control systems
Medical devices and ventilators
Industrial process monitoring
Smart home and IoT devices
Data center environmental controls
About Sensirion
Sensirion AG is a global leader in environmental and flow sensor solutions, renowned for pioneering CMOS-based sensing technology. With over two decades of innovation, the Swiss manufacturer sets industry benchmarks for accuracy and miniaturization in MEMS sensors.
Sensirion’s quality management system meets ISO/TS 16949 standards, ensuring automotive-grade reliability for mission-critical applications. Their patented CMOSens® Technology integrates sensor elements, signal processing, and digital calibration on a single microchip – delivering unmatched stability and cost efficiency.
About Humidity & Temperature Sensors
Integrated humidity and temperature sensors are essential for environmental monitoring across industries. They enable precise control of atmospheric conditions in applications ranging from pharmaceutical manufacturing to consumer electronics, ensuring product quality and system safety.
Modern digital sensors like the SHT3x series replace bulky analog components with chip-scale solutions. By combining calibration data and digital interfaces in monolithic ICs, they simplify design while improving measurement consistency and reducing power requirements in battery-operated devices.
Packaging Options
Available in industry-standard formats for automated assembly:
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Frequently Asked Questions
Q: What is the difference between SHT31 and earlier S
Additional Information
| Category | Sensors, TransducersHumidity, Moisture Sensors |
|---|---|
| Brand | Sensirion |
| Manufacturer | Sensirion AG |
| Series | SHT3 |
| Packaging | Tape & Reel (TR)Cut Tape (CT)Digi-Reel® |
| Part Status | Active |
| Sensor Type | Humidity, Temperature |
| Humidity Range | 0 ~ 100% RH |
| Output Type | I2C |
| Output | 16b |
| Accuracy | ±2% RH |
| Response Time | 8 s |
| Voltage - Supply | 2.15V ~ 5.5V |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 125°C |
| Package / Case | 8-VFDFN Exposed Pad |
| Supplier Device Package | 8-DFN (2.5×2.5) |
| Full Description | SHT31-DIS-B2.5KS |


