HTU21D Digital Relative Humidity Sensor

TE Connectivity's (TE) Measurement Specialties HTU21D Digital Relative Humidity Sensor is embedded in a reflow solderable Dual Flat No leads (DFN) package with a 3 x 3mm foot print and 1mm height. TE's HTU21D provides calibrated, linearized signals in a digital, I2C format. HTU21D sensors are dedicated humidity and temperature plug-and-play transducers for OEM applications. Direct interface with a micro-controller is enabled with the modular humidity and temperature digital outputs. 

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Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model RH Range
RH Accuracy
Mounting Style
Output Type
Interface Type
Resolution
Operating Supply Current
Supply Voltage - Min
Supply Voltage - Max
Minimum Operating Temperature
Maximum Operating Temperature
Package/Case
Packaging
TE Connectivity / Measurement Specialties Board Mount Humidity Sensors DIG REL HUMIDITY IC W/TEMP OUT
Datasheet
9,963In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

SMD/SMT DFN-EP-6 Reel, Cut Tape, MouseReel
TE Connectivity / Measurement Specialties Board Mount Humidity Sensors HTU20D RH/T SENSOR IC DIGITAL
Datasheet
10,307In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

SMD/SMT DFN-EP-6 Reel, Cut Tape, MouseReel
TE Connectivity / Measurement Specialties Board Mount Humidity Sensors I.C 21DF RH/T DIGITAL MODULE
Datasheet
5,890In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 400

0 % to 100 % +/- 3 % SMD/SMT Digital I2C 12 bit 10 mA 1.5 V 3.6 V - 40 C + 125 C DFN-EP-6 Reel, Cut Tape, MouseReel
TE Connectivity / Measurement Specialties Board Mount Humidity Sensors Digital Humidity sensr w/ Temp output
Datasheet
705In Stock
1,200Expected 04/08/2026
MouseReel Available
Min.: 1
Mult.: 1
: 400

SMD/SMT DFN-EP-6 Reel, Cut Tape, MouseReel
TE Connectivity / Measurement Specialties Board Mount Humidity Sensors HTU21DF RH/T SENSOR IC B5000
Datasheet
4,760In Stock
10,000Expected 14/09/2026
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

SMD/SMT DFN-EP-6 Reel, Cut Tape, MouseReel
TE Connectivity / Measurement Specialties Board Mount Humidity Sensors HTU21DF RH/T SENSOR IC B400
Datasheet
755In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 400

SMD/SMT DFN-EP-6 Reel, Cut Tape, MouseReel
TE Connectivity / Measurement Specialties Board Mount Humidity Sensors I.C 21D RH/T B1500
Datasheet
113In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

SMD/SMT DFN-EP-6 Reel, Cut Tape, MouseReel
TE Connectivity / Measurement Specialties Board Mount Humidity Sensors HTU21DF RH/T SENSOR IC B1500
Datasheet
42In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

SMD/SMT DFN-EP-6 Reel, Cut Tape, MouseReel