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SI7021-A20-GMR The Silicon Labs SI7021-A20-GMR is a humidity and temperature sensor with an I2C interface. It operates from 1.9V to 3.6V and offers ±3% RH accuracy.
Mfr Part #:

SI7021-A20-GMR

Available from 1 distributors
Mfr Name: Silicon Labs
Silicon Labs
The Silicon Labs SI7021-A20-GMR is a humidity and temperature sensor with an I2C interface. It operates from 1.9V to 3.6V and offers ±3% RH accuracy.
Total Stock: 2,500 pcs
$ Price Range: $1.69

SI7021-A20-GMR 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
Non-Authorised Inventory information
2,500 pcs
2500 pcs On Request 1 On Request On Request On Request On Request On Request

SI7021-A20-GMR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Accuracy
Humidity Range
Mounting Type
Operating Temperature
Output
Output Type
Response Time
Sensor Type
Supplier Device Package
Voltage

SI7021-A20-GMR Description

Short technical summary and product information.

The Silicon Labs SI7021-A20-GMR is a digital humidity and temperature sensor designed for accurate environmental monitoring. It features an I2C interface for easy integration into various systems.

 

This sensor operates within a voltage range of 1.9V to 3.6V and provides a humidity measurement range of 0 to 100% RH with an accuracy of ±3% RH. The temperature is measured across an operating temperature range of -40°C to 85°C. The output is provided in a 12-bit format.

 

Packaged in a 6-DFN (3x3) surface-mount configuration, the SI7021-A20-GMR is suitable for compact designs. Its response time is 18 seconds, making it responsive to environmental changes.

SI7021-A20-GMR Quick Information

Product Type: Humidity, Temperature Sensor
Canonical Name: Silicon Labs SI7021-A20-GMR Humidity and Temperature Sensor
Subcategory: Humidity, Moisture Sensors

SI7021-A20-GMR Compliance

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

SI7021-A20-GMR Estimated Pricing

Qty Low High
1+ $1.69 $1.69

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

SI7021-A20-GMR Features

  • Measures humidity and temperature accurately.
  • Features a standard I2C communication interface.
  • Operates from 1.9V to 3.6V supply voltage.
  • Offers ±3% RH humidity measurement accuracy.
  • Compact 6-DFN surface-mount package.

SI7021-A20-GMR Applications

  • Ideal for environmental monitoring systems.
  • Suitable for HVAC control applications.
  • Used in weather stations and data loggers.
  • Applicable in portable electronic devices.

SI7021-A20-GMR FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the SI7021-A20-GMR?

The SI7021-A20-GMR operates from 1.9V to 3.6V.

What is the accuracy of the SI7021-A20-GMR humidity sensor?

The humidity sensor has an accuracy of ±3% RH.

What is the operating temperature range for the SI7021-A20-GMR?

The operating temperature range is -40°C to 85°C.

What type of output does the SI7021-A20-GMR provide?

The SI7021-A20-GMR provides a 12-bit output via an I2C interface.

What is the package type and mounting method for the SI7021-A20-GMR?

The SI7021-A20-GMR is supplied in a 6-DFN (3x3) package and uses surface mount technology.

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