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SHT30-DIS-B

Digital RH/Temp sensor, +/-2% RH, +/-0.3C, I2C, DFN-8 2.5x2.5mm

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Manufacturer Part：

SHT30-DIS-B

Package：

DFN-8 (2.5 x 2.5 x 0.9 mm)

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Description

Product Overview

The SHT30-DIS-B from Sensirion is a digital humidity and temperature sensor in a DFN-8 package. Providing +/-2% RH accuracy and +/-0.3C temperature accuracy over I2C, it is a cost-effective upgrade from the SHT2x series with wider supply range and faster measurement.

Key Specifications

Humidity Accuracy +/-2% RH (typical)
Temperature Accuracy +/-0.3C (typical)
Humidity Range 0% ~ 100% RH
Temperature Range -40°C ~ +125°C
Interface I2C (2 addresses: 0x44/0x45)
Supply Voltage 2.15V ~ 5.5V
Supply Current 0.8mA (measuring), 0.6uA (idle)
Package DFN-8 (2.5 x 2.5 x 0.9mm)

Features

  • +/-2% RH and +/-0.3C accuracy
  • Wide 2.15V to 5.5V supply range
  • I2C interface with 2 address options
  • Multiple measurement modes: single shot, periodic
  • Built-in heater for condensation recovery
  • Alert mode with programmable thresholds

Applications

  • Weather stations and environmental monitoring
  • HVAC and building automation
  • Consumer appliances (dryers, humidifiers)
  • Industrial process humidity control
  • Smart home and IoT sensors

The SHT30-DIS-B from Sensirion is a digital humidity and temperature sensor in a compact DFN-8 (2.5×2.5mm) package. It provides +/-2% RH humidity accuracy and +/-0.3C temperature accuracy via an I2C interface. The wide 2.15V to 5.5V supply range simplifies integration with various MCU voltage domains. Multiple operating modes (single shot, periodic auto-measurement at 0.5-10Hz) provide flexibility for power/performance tradeoffs. The built-in heater helps recover from condensation. The SHT30 is a cost-effective upgrade from SHT2x with improved accuracy and wider operating range.

The SHT30-DIS-B uses a capacitive humidity sensor element and a bandgap temperature sensor element, both fabricated on a single CMOS chip. The capacitive humidity sensor absorbs or desorbs water molecules, changing its capacitance proportionally to relative humidity. A sigma-delta ADC digitizes both sensor outputs. An internal signal processing pipeline applies factory-calibrated correction coefficients for linearization and temperature compensation. The I2C interface provides access to raw and processed data. In single-shot mode, the MCU triggers each measurement; in periodic mode, the sensor auto-measures at the configured rate. The integrated heater can be activated to evaporate condensation on the sensor element.

Pin Name Type Function
1 SDA I/O I2C data
2 ADDR Input I2C address select (0x44=GND, 0x45=VDD)
3 ALERT Output Alert output (programmable thresholds)
4 SCL Input I2C clock
5 VDD Power Supply voltage (2.15-5.5V)
6 nRESET Input Reset (active low, internal pull-up)
7 R – Reserved (leave floating)
8 VSS Power Ground
  • Weather station and environmental monitoring node
  • HVAC duct and room humidity/temperature sensing
  • Consumer appliance (dryer, humidifier, dehumidifier)
  • Industrial process humidity control and logging
  • Smart home and IoT environment sensors
Manufacturer Part Number Package Notes
Sensirion SHT31-DIS-B DFN-8 +/-2% RH, +/-0.3C, same family
Sensirion SHT35-DIS-B DFN-8 +/-1.5% RH, +/-0.1C, premium
TI HDC2080DMBR DFN-6 +/-2% RH, +/-0.2C, smaller
TE Connectivity HTU21D DFN-4 +/-2% RH, +/-0.3C, compatible
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All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Shipping & Payment

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Service & Packaging

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

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