TE Connectivity HTU21D HPP845E031R5 Humidity & Temperature Sensor, 0-100% RH, -40°C to 125°C, ±3% RH, I2C DFN
The TE Connectivity HTU21D (HPP845E031R5) is a fully calibrated digital humidity and temperature sensor with I2C digital output, designed for direct integration with microcontrollers like Arduino, Raspberry Pi, ESP32, and STM32. It provides reliable environmental sensing from 0 to 100% RH and -40°C to 125°C.
Features
- High-accuracy digital humidity sensor with ±3% RH typical accuracy.
- Wide operating ranges: 0 to 100% RH and -40°C to 125°C.
- Fully calibrated digital I2C output ensures plug-and-play operation with no additional calibration required.
- Ultra-compact DFN-EP-6 package (3 x 3 x 0.9 mm) for space-constrained, high-volume OEM applications.
- Low power consumption and compatible with automated, Pb-free reflow soldering processes.
Out of stock
The HTU21D sensor from TE Connectivity (formerly Measurement Specialties) is a MEMS-based capacitive humidity sensor with a band-gap temperature sensor integrated into a single, reflow-solderable DFN package. It provides fully calibrated, linearized digital signals via the I2C interface, eliminating the need for signal conditioning circuitry and simplifying direct connection to a host microcontroller.
Engineered for reliability and long-term stability, the sensor features fast response times and instant recovery from condensation. Its robust design supports a wide industrial temperature range and is compliant with stringent traceability requirements, making it suitable for demanding OEM applications in HVAC, automotive, medical, and consumer electronics where precise environmental monitoring is critical.
Additional Information
| Weight | 0.01 kg |
|---|---|
| Dimensions | 5 × 5 × 2 cm |
