# SHT41I-AD1B-R2 (Component) ## Description Humidity, Temperature 0 ~ 100% RH I2C ±1.8% RH 4 s Surface Mount The SHT41I-AD1B-R2 is a high-accuracy digital humidity and temperature sensor from Sensirion designed for industrial and harsh-environment applications requiring reliable environmental monitoring. The device integrates calibrated relative humidity and temperature sensing elements with signal processing and digital communication in a compact surface-mount package. It provides fully calibrated digital output through an I²C interface, enabling straightforward integration into embedded systems, industrial controllers, HVAC equipment, environmental monitoring systems, portable instrumentation, and IoT devices. The sensor incorporates low power consumption, fast response time, and enhanced long-term stability for precision sensing applications. Engineering Specification Manufacturer: Sensirion AG Manufacturer Part Number: SHT41I-AD1B-R2 Device Type: Digital Relative Humidity and Temperature Sensor Sensor Functions: Relative Humidity Measurement and Temperature Measurement Humidity Sensing Range: Full Relative Humidity Range Support Temperature Sensing Range: Wide Industrial Temperature Operating Range Humidity Accuracy: High-Precision Calibrated Measurement Temperature Accuracy: High-Precision Calibrated Measurement Output Interface: I²C Digital Serial Interface Supply Voltage: Low Voltage Operation Compatible with Embedded Systems Power Consumption: Ultra-Low Power Consumption Calibration: Factory Calibrated and Linearized Response Time: Fast Environmental Response Repeatability: High Measurement Repeatability Long-Term Stability: Optimized for Industrial Reliability Integrated Features: Signal Conditioning, Analog-to-Digital Conversion, Temperature Compensation, CRC Data Integrity Checking Package Type: Surface-Mount DFN Package Mounting Style: Surface Mount Technology Application Areas: Industrial Automation, HVAC Systems, Environmental Monitoring, Smart Sensors, Portable Devices, Data Loggers, IoT Equipment, Building Automation, Weather Monitoring Systems Compliance Features: RoHS Compliant and Halogen-Free Packaging Support #CommonPartsLibrary #Sensor #Transducer #Moisture-Sensor #SHT4 ## Component Details - **Owner:** adrian95 - **Created:** 8/18/2025 - **Last Updated:** 5/21/2026 - **Visibility:** Public - **Datasheet URL:** https://sensirion.com/media/documents/33FD6951/67EB9032/HT_DS_Datasheet_SHT4x_5.pdf - **Manufacturer Name:** Sensirion AG - **Part Type:** Sensor - **Symbol Style:** parametric-v1 - **Manufacturer Part Number:** SHT41I-AD1B-R2 - **Package or Case Code:** SHT4XI-DIGITAL - **License:** https://creativecommons.org/licenses/by/4.0/ - **Used in:** 31 projects ## Distributor Pricing (qty 1) *Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.* | Distributor | Unit Price (qty 1) | Stock | |------------|--------------------|-------| | [Arrow](https://www.arrow.com/en/products/sht41i-ad1b-r2/sensirion-ag.html?utm_currency=USD&region=nac) | N/A | N/A | | [LCSC](https://www.lcsc.com/product-detail/temperature and humidity sensor_sensirion_sht41i-ad1b-r2_C3664410.html) | N/A | N/A | | [Mouser](https://www.mouser.com/ProductDetail/Sensirion/SHT41I-AD1B-R2?qs=TCDPyi3sCW2JTuqP5aMb9A%3D%3D) | $3.29 | 2.2K | | [Verical](https://www.verical.com/pd/sensirion-temperature-and-humidity-sensors-SHT41I-AD1B-R2-10272548?utm_currency=USD) | N/A | N/A | - **Part Type:** Sensors - **MPN:** SHT41I-AD1B-R2 - **Mount Type:** Surface Mount - **Package / Case Code:** TO - **Pin Count:** 4 - **Compliance:** Rohs, Halogen Free ## Pins | Pin | Name | Type | |-----|------|------| | 1 | SDA | | | 2 | SCL | | | 3 | VDD | | | 4 | VSS | | --- *Generated from [https://www.flux.ai/adrian95/sht41i-ad1b-r2~npr](https://www.flux.ai/adrian95/sht41i-ad1b-r2~npr)*