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Description
SENSOR SOLUTIONS - TE CONNECTIVITY HTU21D Humidity Sensor, 3 V, 0% to 100% Relative Humidity, DFN, 6 Pins, 5 sThe HTU21D is a new digital Humidity Sensor with temperature output. Setting new standards in terms of size and intelligence. This sensor provides calibrated, linearized signals in digital, IC format. The digital humidity sensor is dedicated humidity and temperature plug and play transducers for OEM applications where reliable and accurate measurements are needed. Direct interface with a microcontroller is made possible with the module for humidity
The HTU21D is a new digital Humidity Sensor with temperature output. Setting new standards in terms of size and intelligence. This sensor provides calibrated, linearized signals in digital, I�C format. The digital humidity sensor is dedicated humidity and temperature plug and play transducers for OEM applications where reliable and accurate measurements are needed. Direct interface with a microcontroller is made possible with the module for humidity and temperature digital outputs. These low power sensor is designed for high volume and cost sensitive applications with tight space constraints. Every sensor is individually calibrated and tested. Lot identification is printed on the sensor and an electronic identification code is stored on the chip which can be read out by command. Low battery can be detected and a checksum improves communication reliability. The resolution of these digital humidity sensors can be changed by command (8/12-bit up to 12/14-bit for RH/T).
- Full Interchange-ability with No Calibration Required in Standard Conditions
- Instantaneous De-saturation After Long Periods in Saturation Phase
- Compatible with Automatized Assembly Processes, Including Pb-free and Reflow Processes
- Individual Marking for Compliance to Stringent Traceability Requirements
Applications
Automotive, Consumer Electronics, Computers & Computer Peripherals, HVAC, Industrial
Warnings
ESD sensitive device, take proper precaution while handling the device.
Product details
| Supply Voltage | 3V |
| Operating Temperature Min | -40�C |
| Sensor Case Style | DFN |
| Operating Temperature Max | 125�C |
| Accuracy % | - |
| Response Time | 5s |
| No. of Pins | 6Pins |
| Product Range | - |
| Packaging | Cut Tape |
| Humidity Range | 0% to 100% Relative Humidity |
| MSL | - |
Other details
| Brand | SENSOR SOLUTIONS - TE CONNECTIVITY |
| Part Number | HTU21D |
| Quantity | Each (Supplied on Cut Tape) |
| Technical Data Sheet EN |
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4.5 ★★★★★
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Product Reviews
★★★★★ 5
This is a very useful field manual for those interested in detailed traking methodology.
Format: Paperback
I spent many years as interpreter and ranger for the Colorado State Park System, now called CPW—Colorado Parks and Wildlife. We were annually tasked with surveying a given species' presence, density, and range in the park system and surrounding areas. Detailed field manuals were critical to the accuracy of our work, and HOW I WISH I HAD THIS BOOK DURING THAT PART OF MY CAREER. There are few other books I've come across providing detailed, yet very accessible information on how trail sign reflects animal behavior across different conditions, landscapes, and seasons (both weather seasons and mating seasons). One particular aspect of this book I found significantly intriguing was the section on predation—how does a mountain lion take down a mule deer vs. how wolves bring one down. The locations on a prey animal where a certain predator is most likely to attack, showing illustrations, is a remarkable piece of work, and there authors are clearly masters of interpreting tracks and sign! If you want learn about how mammals behave in their native environment, adding this book to your field manual packet will greatly expand your horizons! Busy it, read it, and get outside! Thank you Mr. Elbroch and Mr. McFarland for adding to the wildlife canon!
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Reviewed in the United States on August 5, 2023
★★★★★ 5
Great book and very useful tool to have
Format: Paperback
I had the older edition and lived it, but someone at my last job *borrowed* it and I never saw it again. This edition sends even better than the last, and I have that one five stars. Great pictures and the number of species covered means it's good in at least all states I've worked in.
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Reviewed in the United States on November 16, 2025
★★★★★ 5
Simply unputdownable
Format: Kindle
B N William’s field guide is fascinating. The book uncovers the bizarre reality beneath the polished propaganda of the Second World War, exploring the wonderfully weird truths where the line between brilliant innovation and sheer insanity vanishes completely. Every unusual piece of information has been verified using official declassified archives. I loved the story of Wojtek, a Syrian brown bear, who became a beloved and legendary figure, known for his unique story as an enlisted soldier. Read many more such stories and episodes in this book. You will enjoy them thoroughly.
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Reviewed in the United States on November 25, 2025
★★★★★ 5
Excellent read
Format: Kindle
This book is a deep dive into the truths behind the war we think we know. The book talks absurd strategies, eccentric leaders, and bizarre battlefield moments that genuinely happened. Each fact is both shocking and fascinating. it's entertaining and wildly surprising read. It’s a perfect pick for history buffs, trivia lovers.
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Reviewed in the United States on November 24, 2025
★★★★★ 5
Wonderful reading
Format: Paperback
It is a pleasure to “listen” to MLK Jr, and his description of the Montgomery boycott, mostly after reading the newest biography King, a life. Both books are highly recommended.
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Reviewed in the United States on April 20, 2026