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AHT21B temperature and humidity sensor wide voltage I2C communication high-precision digital module original genuine product

AHT21B

Model:AHT21B

Manufacturer:ANSC/OEM

Package:module

詳情

Product Descriptions


AHT21B is equipped with a newly designed ASIC dedicated chip, an improved MEMS semiconductor capacitive humidity sensor component and 

a standard on-chip temperature sensor component. Its performance has been greatly improved and even beyond the reliability level of the 

previous generation of sensor, which make it more stable in the harsh conditions. Each sensor had been rigorously calibrated and tested. Due to 

the improvement and miniaturization of the sensors, it is more cost-effective.


Product Applications


The AHT21B is a kind of sensor of humidity and temperature with digital I2C output. It can be applied to HVAC, dehumidifier, testing and 

inspection equipment, consumer products, automobiles, automatic control, data loggers, weather stations, home appliances, humidity control, 

medical and other application fields which need to detect and control temperature and humidity.


Product Features


Humidity and Temperature Module

? Relative humidity and temperature output

? Superior sensor performance, typical accuracy RH: ±3%, T: ±0.5℃

? Fully calibrated and processed digital output, I2C protocol

? Wide voltage support 2.2 to 5.5V DC

? Excellent long-term stability

? Fast-response and anti-interference capability


Product Images


AHT21B


Payment&Transportation

詳情8.1


Official Certificate&Certificate



詳情頁3.1



Multiple product supply



詳情5.1


Company office environment


詳情6.1


Warehouse Real Shot


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Standard packaging

詳情修改1.jpg



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A3916GESTR-T-1ALLEGRO22+17150QFN-20
TPS62135RGXRTI22+15000VQFN11
TLE2022AMDRTI0803+12500SOP8
TPS23756PWPRTI22+12000HTSSOP-20


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