The HTU21D in DFNEP6 is a compact digital humidity and temperature sensor designed for space‑constrained electronics. It delivers calibrated humidity and temperature readings through a simple digital interface, enabling accurate environmental monitoring in a wide range of applications. Key benefits Ultra‑compact DFN‑EP‑6 package: enables integration into small, low‑profile boards and dense layouts without compromising performance. Digital I2C interface: straightforward connection to microcontrollers and processors, reducing design complexity and board routing. Factory‑calibrated readings: provides reliable humidity and temperature measurements with minimal external adjustment. Low power operation and efficient performance: suitable for battery‑powered and energy‑sensitive devices, helping extend system life. Wide operating range: designed for environments from 40°C to 125°C and 0 to 100% relative humidity, delivering dependable results across indoor and outdoor conditions. Robust, compact sensing solution: silicon sensor die housed in a durable DFN package with exposed pad for thermal and electrical stability. Key attributes Model: HTU21D Package: DFN‑EP‑6 (DFN 6‑pin with exposed pad) Interface: I2C (two‑wire serial interface) for digital humidity and temperature data Output: calibrated digital humidity and temperature readings Size/footprint: compact DFN package suitable for space‑limited designs Material and construction: silicon sensor die inside a compact DFN package with exposed pad for stability Performance characteristics: digital, factory‑calibrated humidity and temperature sensing for reliable environmental monitoring Applications and use cases Smart home and climate control: integrate into thermostats, smart humidifiers/dehumidifiers, and room environmental monitors to maintain comfortable indoor conditions. Data logging and environmental monitoring: deploy in data loggers, weather stations, or industrial monitoring systems to track humidity and temperature trends over time. HVAC and server room monitoring: monitor ambient conditions in air handling units, data centers, and equipment rooms to ensure performance and prevent humidityrelated issues. What you get One HTU21D sensor in DFN‑EP‑6 package suitable for compact boards and tight layouts. This HTU21D DFN‑EP‑6 sensor provides a compact, reliable solution for precise humidity and temperature measurement, with easy digital integration and broad operating ranges that suit a variety of consumer, industrial, and medical applications.