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SI7021-A20-GM1R The Silicon Labs SI7021-A20-GM1R is a digital humidity and temperature sensor featuring an I2C interface. It operates within a 1.9V to 3.6V supply range and offers ±3% RH accuracy.
Mfr Part #:

SI7021-A20-GM1R

Available from 3 distributors
Mfr Name: Silicon Labs
Silicon Labs
The Silicon Labs SI7021-A20-GM1R is a digital humidity and temperature sensor featuring an I2C interface. It operates within a 1.9V to 3.6V supply range and offers ±3% RH accuracy.
Total Stock: 31,635 pcs
$ Price Range: $1.69

SI7021-A20-GM1R Available from 3 distributors

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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
25,481 pcs
25481 pcs On Request 1 On Request On Request 20+ On Request On Request
Non-Authorised Inventory information
3,890 pcs
3890 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
2,264 pcs
2264 pcs On Request 1 On Request On Request On Request On Request On Request

SI7021-A20-GM1R 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
Package Code
Response Time
Sensor Type
Supplier Device Package
Tape & Reel
Voltage
Voltage Supply

SI7021-A20-GM1R Description

Short technical summary and product information.

The SI7021-A20-GM1R from Silicon Labs is a integrated digital humidity and temperature sensor designed for reliable performance in various applications. It communicates via the I2C protocol, making integration with microcontrollers straightforward. The sensor operates across a wide voltage supply range of 1.9V to 3.6V and provides a 12-bit output for both humidity and temperature measurements.

 

Key specifications include a humidity accuracy of ±3% RH and an operating temperature range of -40°C to 85°C. The sensor's response time is typically 18 seconds. It is housed in a compact 6-WDFN Exposed Pad package, suitable for surface mount applications.

 

This sensor is ideal for applications requiring accurate environmental monitoring, such as HVAC systems, weather stations, and industrial control. Its robust design and precise measurements ensure dependable data for critical systems.

SI7021-A20-GM1R Quick Information

Product Type: Humidity, Temperature Sensor
Canonical Name: SI7021-A20-GM1R Humidity and Temperature Sensor
Subcategory: Humidity, Moisture Sensors

SI7021-A20-GM1R Compliance

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

SI7021-A20-GM1R 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-GM1R Features

  • Measures humidity and temperature.
  • I2C digital interface.
  • Wide 1.9V to 3.6V supply range.
  • ±3% RH humidity accuracy.
  • Surface mount 6-WDFN package.

SI7021-A20-GM1R Applications

  • Environmental monitoring systems
  • HVAC and climate control
  • Indoor air quality measurement
  • Smart home automation
  • Data loggers and IoT devices

SI7021-A20-GM1R FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the SI7021-A20-GM1R sensor?

The SI7021-A20-GM1R sensor operates within a voltage range of 1.9V to 3.6V.

What is the accuracy of the SI7021-A20-GM1R humidity sensor?

The humidity accuracy for the SI7021-A20-GM1R sensor is ±3% RH.

What is the operating temperature range for the SI7021-A20-GM1R?

The SI7021-A20-GM1R sensor can operate in temperatures ranging from -40°C to 85°C.

What communication protocol does the SI7021-A20-GM1R use?

The SI7021-A20-GM1R uses the I2C communication protocol.

What is the package type for the SI7021-A20-GM1R?

The SI7021-A20-GM1R is available in a 6-WDFN Exposed Pad package.

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