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SENSIRION SHT40AD1BR2 Humidity Temperature Sensor

The SHT40-AD1B-R2 is a digital sensor platform designed for precise measurement of relative humidity and temperature across various accuracy levels. It features an I2C interface with multiple preconfigured addresses and operates with ultra-low power consumption. The sensor includes a internally regulated heater with three heating levels, suitable for use in demanding environments. It comes in a four-pin dual-flat-no-leads package compatible with surface mount technology (SMT). The sensor offers humidity accuracy up to ±1.5% RH and temperature accuracy up to ±0.1°C. Its supply voltage ranges from 1.08V to 3.6V, with an average current of only 0.4µA at a 1Hz measurement rate and an idle current of 80nA. It supports I2C fast mode plus with CRC checksum for data integrity and operates effectively from 0 to 100% RH and -40 to 125°C, even in condensing environments. The product includes a variable power heater and traceability to NIST standards.

Authorized Distributors
Source:Newark
Part No:SHT40-AD1B-R2
Stock:143
Inv Date:06-14-2026
Price: Unit price: $1.94
Buy/RFQ:
Source:DigiKey
Part No:SHT40-AD1B-R2
Stock:30897
Inv Date:06-14-2026
Price: Unit price: $1.88
Buy/RFQ:
Part No:SHT40-AD1B-R2
Stock:17548
Inv Date:06-15-2026
Price: Unit price: $1.67
Buy/RFQ:
Part No:SHT40-AD1B-R2
Stock:7500
Inv Date:06-14-2026
Price: Unit price: $0.96
Buy/RFQ:
Part No:SHT40-AD1B-R2
Stock:17500
Inv Date:06-15-2026
Price: N/A
Buy/RFQ:

SENSIRION SHT40AD1BR2 Humidity Temperature Sensor Specifications:

  • Humidity accuracy: up to ±1.5% RH
  • Temperature accuracy: up to ±0.1°C
  • Operating range: 0...100 %RH, -40...125 °C
  • Supply voltage: 1.08V...3.6V
  • Average current: 0.4µA at 1Hz measurement rate
  • Idle current: 80nA
  • Package: Four-pin dual-flat-no-leads (DFN)
  • Heater: Variable power, 3 levels
  • Data interface: I2C fast mode plus with CRC checksum
  • Traceability: NIST calibration
  • Suitable for condensing environments

Buy the Buy Sensirion SHT40-AD1B-R2 Humidity and Temperature Sensor Part Number SHT40AD1BR2 Online

Purchase the Sensirion SHT40-AD1B-R2 online today and enjoy a high-precision humidity and temperature sensing solution. With ultra-low power consumption, NIST traceability, and a rugged surface-mount package, it is ideal for demanding applications. Its wide operating range from 0 to 100% RH and -40 to 125°C ensures reliable performance even in condensing environments. The sensor’s internal heater with adjustable power levels allows operation in challenging conditions. Get this accurate, durable sensor now and upgrade your environmental monitoring systems easily and quickly.

Order your Sensirion SHT40-AD1B-R2 high-accuracy humidity and temperature sensor today and ensure reliable environmental monitoring with low power consumption.

Frequently Asked Questions

Where can I buy SENSIRION SHT40AD1BR2?

You can click on the BUY or RFQ button to purchase SHT40AD1BR2 from an authorized SENSIRION distributor.

How do I troubleshoot issues or seek technical support for part SHT40AD1BR2?

You can download the SHT40AD1BR2 datasheet or visit the SENSIRION website for support.

Who is the manufacturer of SHT40AD1BR2?

SENSIRION

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