This website uses cookies. By using this site, you consent to the use of cookies. For more information, please take a look at our Privacy Policy.

SI7021-A20-GM1 Board Mount Humidity Sensors by Silicon Laboratories Inc (Active Lifecycle)

3d-img SI7021-A20-GM1 Image

Serial Switch/Digital Sensor, 14 Bit(s), 0.40Cel, Square, Surface Mount

pdf-icon Datasheet
Our Service:
  • Easy Returns

    Clear and straightforward after-sales process

  • Counterfeit Risk Mitigation

    Multi-step inspection to verify authenticity and specifications

  • Obsolete Parts Sourcing

    Secure solutions for hard-to-find and end-of-life components

  • Sourcing Transparency

    Clear visibility into part condition, pricing, and order handling

SI7021-A20-GM1 Information

Description

The Silicon Labs SI7021-A20-GM1 is a digital humidity and temperature sensor that offers high accuracy, fast response time, and low power consumption. It features a wide operating voltage range of 1.9V to 3.6V and is factory-calibrated for easy integration into various applications. This sensor is suitable for environmental monitoring, HVAC systems, industrial automation, weather stations, automotive applications, consumer electronics, medical devices, and food storage and transportation. Its compact DFN-6 package makes it ideal for space-constrained designs. The SI7021-A20-GM1 provides a digital output via I2C interface, allowing for easy communication with microcontrollers or other devices. Its high accuracy and fast response time make it suitable for applications that require precise temperature and humidity measurements.

Features

The Silicon Labs SI7021-A20-GM1 features include:

  • Digital humidity and temperature sensor
  • High accuracy and fast response time
  • Wide operating voltage range: 1.9V to 3.6V
  • Low power consumption
  • Factory calibrated
  • Interchangeable with other sensors

Package

The package type of SI7021-A20-GM1 is DFN-6 (Dual In-Line Fine Pitch).

Manufacturer

The manufacturer of the SI7021-A20-GM1 is Silicon Labs, a semiconductor company that designs and manufactures mixed-signal microcontrollers, sensors, and system-on-chip (SoC) solutions.

Applications

The SI7021-A20-GM1 humidity/temperature sensor can be used in various applications such as environmental monitoring, HVAC systems, industrial automation, weather stations, automotive applications, consumer electronics, medical devices, and food storage and transportation. Its high accuracy, fast response time, and wide operating voltage range make it suitable for a broad range of industries and use cases.

Equivalent

The equivalent products of SI7021-A20-GM1 are:

  • Sensirion SHT31-DIS-B
  • STMicroelectronics HTU21D
  • Texas Instruments TMP117
  • Analog Devices ADT7410

These sensors offer similar humidity and temperature measurement capabilities, but may have slightly different specifications or interfaces.

Market Dynamics

Price Trend

Pricing Insight: From 2021 to 2022, the market price has been highly volatile, averaging 16.5300 USD.

Historical Price Trend Data
Date Average price (USD)
2021 9.5600
2022 23.5000

Quotation Frequency

Sourcing Activity: Between 2021 and 2022, this component received over 2 quotation requests, indicating highly active market procurement.

Quotation and RFQ Frequency Data
Date Quotation requests (times)
2021 1
2022 1

SI7021-A20-GM1 Technical Details

Device Attribute Attribute Value Device Attribute Attribute Value
Part Life Cycle Code Active Reach Compliance Code compliant
Accuracy-Max (Cel) 0.4 Cel Body Breadth 3 mm
Body Height 1.21 mm Body Length or Diameter 3 mm
JESD-609 Code e4 Mounting Feature SURFACE MOUNT
Number of Bits 14 Operating Current-Max 4 mA
Operating Temperature-Max 85 °C Operating Temperature-Min -40 °C
Output Interface Type I2C INTERFACE Sensors/Transducers Type TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL
Supply Voltage-Max 3.6 V Supply Voltage-Min 1.9 V
Surface Mount YES Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Termination Type SOLDER Package/Case DFN-6

SI7021-A20-GM1 FAQs

1.Q: What is the package type and dimensions of this sensor?

A: It comes in a 3x3mm DFN-6 package with a height of 1.21mm, suitable for space-constrained designs.

2.Q: Does this sensor comply with industry certification standards?

A: Yes, it is RoHS compliant and follows relevant industry standards for digital humidity/temperature sensors.

3.Q: What is the response time for humidity measurements in this sensor?

A: The humidity response time (63% step change) is 18 seconds, ensuring stable readings in dynamic environments.

4.Q: What are the recommended operating conditions for this sensor?

A: Recommended conditions: 1.9V–3.6V supply voltage, -40°C to +85°C operating temperature, and proper I2C pull-up resistors (typically 2.2kΩ–10kΩ).

5.Q: What are the absolute maximum ratings for this sensor?

A: Absolute max ratings include supply voltage (max 3.6V), operating temperature (-40°C to +85°C), and storage temperature (up to +125°C). Exceeding these may damage the device.

6.Q: What are some typical applications for this humidity/temperature sensor?

A: Common applications include HVAC systems, weather stations, medical devices, industrial monitoring, and IoT sensor nodes.

7.Q: What are the key features of Silicon Labs' digital humidity/temperature sensor?

A: Key features include ±2% RH humidity accuracy, ±0.3°C temperature accuracy, I2C interface, 1.9V–3.6V supply range, 14-bit digital output, and a compact DFN-6 package.

8.Q: What is the pinout configuration of Silicon Labs' humidity/temperature sensor in DFN-6 package?

A: The DFN-6 package has pins for VDD (power), GND (ground), SDA (I2C data), SCL (I2C clock), and optionally an alert/interrupt pin. Refer to the datasheet for the exact pinout diagram.

Service Policies and Others

After-Sales & Settlement Related

payment Payment
Payment Method
hsbc
TT/Wire Transfer
paypal
Paypal
wu
Western Union
mg
Money Gram

For alternative payment channels, please reach out to us at:

[email protected]
shipping Shipping & Packing
Shipping Method
fedex
Fedex
ups
UPS
dhl
DHL
tnt
TNT
Packing

AVAQ determines and packages all devices based on electrostatic discharge (ESD) and moisture sensitivity level (MSL) protection requirements.

Warranty Warranty
365-Day Product Quality Guarantee
365-Day Product Quality Guarantee

We promise to provide 365 days quality assurance service for all our products.

After Sales Service

Returns and exchanges are supported, provided the items remain in their original condition.

Excellent Rated 5 out of 5 stars

See all reviews on Trustpilot Star Trustpilot

  • E
    E**e

    02/28/2025

    No hidden fees, and the shipping costs are pretty fair.

  • M
    M**r

    10/21/2024

    Received the product in pristine condition. The delivery was quick, and the accompanying paperwork was clear and easy to understand.

  • P
    P**t

    09/04/2024

    I was so impressed with the sales team! They were really helpful and knowledgeable and found perfect replacements for the discontinued parts I needed!

Write a Review

You need to log in to reply.

Sign In Sign Up

Get a quote for SI7021-A20-GM1

Send your BOM to [email protected], or fill out the form below to request a quote. Guaranteed response within 12hr.

ISO 9001 ISO 13485 IATF ISO 14001

Need this part?

Contact a Sourcing Specialist

Gigi
Gigi

[email protected]

+852 95804164

Linkedin

Shipping Information

  • Shipped From:

    HK warehouse

  • Expected Shipping Date:
    to
    (HKT)
  • Expected Quotation Date:

    (HKT)

  • Supplier Lead-Time:

    Call for availability

*Lead times apply to standard orders and are based on business days only. Please contact us for details.

Related

SI7 Series SI7020-A20-GM RFQ SI7415DN For Sale SI7456DP-T1-GE3TR Information SI7738DP Applications SI7998DP-T1-E3 Distributor

Top Sellers

  • SI7021-A20-IM1

    SI7021-A20-IM1

    5,701+

    Serial Switch/Digital Sensor, 14 Bit(s), 0.40Cel, Square, Surface Mount

    $1.973
  • SI7006-A20-IM1R

    SI7006-A20-IM1R

    4,418+

    Measure humidity and temperature accurately with eas

    $1.950
  • SI7020-A20-GM1R

    SI7020-A20-GM1R

    4,299+

    Maximum 4% error rate for precise RH and temperature readings

  • SI7020-A20-IM1

    SI7020-A20-IM1

    4,346+

    Humidity/Temperature Sensor Digital Serial (I2C) 6-Pin DFN EP Cut Tape

  • SI7021-A20-IM1R

    SI7021-A20-IM1R

    4,451+

    Digital sensor for temperature and humidity measurement, featuring I2C interface and a precision of 2% RH

  • SI7020-A20-GMR

    SI7020-A20-GMR

    6,261+

    SI7020-A20-GMR stands out as a digital sensor designed for efficient communication via I2C interface

Recommended For You

SI7020-A10-GM1R

5,493 PCS

Silicon Laboratories Inc

SI7020-A10-GM1R

High-accuracy I interface allows for easy integration into various systems and device

Rohs : 

RoHS Not Applicable

Lifecycle Status : 

Obsolete

Sensor Type: 

Humidity, Temperature

Humidity Range: 

0 ~ 100% RH

Output Type: 

I²C

Output: 

12b

live:.cid.ab6b29428937b76

+852 95804164

SI7006-A20-IM

4,891 PCS

Silicon Laboratories Inc

SI7006-A20-IM

Humidity Temperature Sensor 0 ~ 100% RH I2C ¡À5% RH 18s Surface Mount

Rohs : 

Active-Unconfirmed

Lifecycle Status : 

Obsolete

Relative Humidity Range: 

0% to 100%

Temperature Range: 

-40°C to +85°C

Accuracy: 

±3% RH, ±0.4°C

Supply Voltage: 

1.9V to 3.6V

live:.cid.ab6b29428937b76

+852 95804164

SI7005-B-GM

6,751 PCS

Silicon Laboratories Inc

SI7005-B-GM

Temp Sensor Digital Serial (I2C) Automotive 24-Pin PQFN EP Tube

Rohs : 

Compliant

Lifecycle Status : 

Obsolete

Pbfree Code: 

Yes

Part Life Cycle Code: 

Obsolete

Reach Compliance Code: 

compliant

Additional Feature: 

IP67

live:.cid.ab6b29428937b76

+852 95804164

SI7020-A20-GM1R

4,299 PCS

Silicon Laboratories Inc

SI7020-A20-GM1R

Maximum 4% error rate for precise RH and temperature readings

Rohs : 

Compliant

Sensor Type: 

Humidity, Temperature

Humidity Range: 

0 ~ 100% RH

Output Type: 

I²C

Output: 

12b

live:.cid.ab6b29428937b76

+852 95804164

SI7020-A20-GM1

3,181 PCS

Silicon Laboratories Inc

SI7020-A20-GM1

Humidity Temperature Sensor 0 ~ 100% RH I2C ¡À4% RH 18s Surface Mount

Rohs : 

Compliant

Lifecycle Status : 

Active

Part Life Cycle Code: 

Active

Reach Compliance Code: 

compliant

Accuracy-Max (Cel): 

0.4 Cel

Body Breadth: 

3 mm

live:.cid.ab6b29428937b76

+852 95804164

SI7006-A20-IM1R

4,418 PCS

Silicon Laboratories Inc

SI7006-A20-IM1R

Measure humidity and temperature accurately with eas

Rohs : 

Compliant

Lifecycle Status : 

NRND

Part Life Cycle Code: 

Not Recommended

Reach Compliance Code: 

compliant

Accuracy-Max (Cel): 

1 Cel

Body Breadth: 

3 mm

live:.cid.ab6b29428937b76

+852 95804164

SI7020-A10-GM

7,072 PCS

Silicon Laboratories Inc

SI7020-A10-GM

DFN-6(3x3) Temperature and Humidity Sensor ROHS: SI7020-A10-GM

Rohs : 

Active-Unconfirmed

Lifecycle Status : 

Obsolete

RH Range: 

0 % to 80 %

RH Accuracy: 

+/- 4 %

Mounting Style: 

SMD/SMT

Output Type: 

Digital

live:.cid.ab6b29428937b76

+852 95804164

SI7021-A20-IM

8,989 PCS

Silicon Laboratories Inc

SI7021-A20-IM

Temperature Sensor Ic, Digital, 0.4 C, -40 C, 125 C, Dfn, 6 Rohs Compliant: Yes |Silicon Labs SI7021-A20-IM

Rohs : 

Compliant

Lifecycle Status : 

Obsolete

Part Life Cycle Code: 

Obsolete

Reach Compliance Code: 

compliant

Accuracy-Max (Cel): 

0.4 Cel

Body Breadth: 

3 mm

live:.cid.ab6b29428937b76

+852 95804164

pay transport
  • ESD

    ESD

  • Tape and Reel

    Tape and Reel

  • Cut Tape

    Cut Tape

  • Tube or Tray

    Tube or Tray

close