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HTU21D AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

HTU21D product

HTU21D

Programmers

Digital SensorHumidityTemperatureI2C

The HTU21D is a compact, digital humidity and temperature sensor with an I2C interface, suitable for high-volume OEM applications.

Best for

  • HVAC systems
  • Automotive defogging
  • Medical devices

Avoid if

  • Applications requiring extreme chemical resistance without the PTFE filter version

Check before use

  • PCB layout to minimize heat transfer from other components

Key specifications

Interface
I2C
RH Accuracy
±2 %RH
Supply Voltage
1.5 V - 3.6 V

Compliance & Environment

RoHS
Y
REACH
-
MSL
-
ECCN
EAR99
HTSUS
9026204000.0

Application

HVACAutomotive

Datasheet

HTU21D-Measurement-Specialties-datasheet-32041565.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for HTU21D: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
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Where to Buy

Real-time and catalog pricing from verified distributors

Live prices updated on demand · Catalog (~) prices may differ

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

The HTU21D is a digital relative humidity sensor with integrated temperature output, designed for plug-and-play integration in OEM applications.