SHT21 The Sensirion SHT21 is a Humidity and Temperature Sensor IC with a digital I2C interface. It offers low power consumption and excellent long-term stability.
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SHT21

Available from 1 distributors
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The Sensirion SHT21 is a Humidity and Temperature Sensor IC with a digital I2C interface. It offers low power consumption and excellent long-term stability.
✓ Total Stock: 20 pcs
$ Price Range: $1.50

SHT21 Available from 1 distributor

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
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20 pcs
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SHT21 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Mounting Type
SVHC Present

SHT21 Description

Short technical summary and product information.

The Sensirion SHT21 is a fully calibrated Humidity and Temperature Sensor IC featuring a digital I2C interface. It is designed for low power consumption and offers excellent long-term stability, making it suitable for various applications.

 

The sensor utilizes a capacitive humidity sensor and a band gap temperature sensor integrated onto a single CMOSens® chip. It is housed in a reflow solderable Dual Flat No leads (DFN) package with a 3 x 3mm footprint and 1.1 mm height. The SHT21 provides calibrated, linearized sensor signals in digital format.

 

Key features include its compact DFN package, which is reflow solderable, and its digital output via I2C. The device is also RoHS and WEEE compliant, free of Pb, Cd, and Hg.

SHT21 Quick Information

Product Type: Humidity and Temperature Sensor IC
Canonical Name: SHT21 Humidity and Temperature Sensor IC
Subcategory: Humidity Sensors

SHT21 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: true

SHT21 Estimated Pricing

Qty Low High
1+ $1.50 $1.50

Estimated market price range - modelled values for guidance only, not live distributor offers.

SHT21 Features

  • Fully calibrated humidity and temperature sensor.
  • Digital output via I2C interface.
  • Low power consumption.
  • Excellent long-term stability.
  • Reflow solderable DFN package.

SHT21 Applications

  • Ideal for environmental monitoring.
  • Suitable for HVAC systems.
  • Used in weather stations.
  • Applicable for industrial control.

SHT21 FAQs

4 frequently asked questions generated from this part’s specifications.
What is the resolution of the SHT21 sensor for humidity?

The SHT21 sensor offers a resolution of 0.04 %RH at 12-bit and 0.7 %RH at 8-bit for humidity measurements.

What type of package is the SHT21 sensor in?

The SHT21 sensor is housed in a DFN type package.

Is the SHT21 sensor RoHS compliant?

Yes, the SHT21 sensor is RoHS3 Compliant and fully RoHS and WEEE compliant, free of Pb, Cd and Hg.

What is the Moisture Sensitivity Level (MSL) for the SHT21?

The Moisture Sensitivity Level (MSL) for the SHT21 is 1 Unlimited.

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