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Product Attributes

Introduction

The HTU31 is one of the smallest and most accurate humidity sensors on the market. Leveraging precision engineering and over 20 years of experience in combined humidity and temperature sensing, TE Connectivity has designed this new product to deliver fast response times, accurate measurements, low hysteresis, and resistance to reflow assembly processes, while maintaining consistent performance even when exposed to extreme temperatures [-40°C to 125°C] and humidity [0%RH to 100%RH]. The HTU31 humidity and temperature sensor is available in both digital (D) and analog (V) versions, combines multiple features, and operates over a supply voltage range of 3V to 5.5V. The HTU31 sensor is offered in both small and large quantities to meet customers' evolving needs.

Features

• High reliability and durability
• Fast recovery after saturation
• Fully compatible with reflow process
• Fully interchangeable without calibration
• Serial individual marking for traceability
• Lead-free
• Low power consumption
• Fully calibrated, temperature-compensated digital output
• High accuracy: ±2%RH and ±0.2°C
• Fast humidity response time: 3 seconds
• Long-term drift: <0.1%RH/year
• Wide supply voltage range: 3V to 5.5V
• Low average current: typical 1μA
• Compact 6-pin DFN package: 2.5×2.5×0.9mm
• Fast I²C interface with 2 configurable addresses
• Fully compliant with RoHS and REACH

Applications

• Home Appliances
• HVAC
• Medical Respirators, CPAP and Ventilation Equipment
• Industrial Transportation/Cold Chain
• Humidifiers/Dehumidifiers