Digital Humidity Sensor SHTC3 (RH/T)
Our New Standard for Consumer Electronics
The SHTC3 digital humidity sensor builds on the success of the proven SHTC1 sensor. Thanks to a broader supply voltage range (1.62 – 3.6 V) and higher accuracy (±2% RH, ±0.2°C) than its predecessor, it enables greater flexibility.
Sensirion’s CMOSens® Technology offers a complete sensor system on a single chip, consisting of a capacitive humidity sensor, a bandgap temperature sensor, analog and digital signal processing, A/D converter, calibration data memory, and a digital communication interface supporting I2C fast mode. The small 2 x 2 x 0.75 mm3 DFN package enables applications in even the most limited space. The sensor covers a humidity measurement range of 0 to 100% RH and a temperature measurement range of -40°C to 125°C with a typical accuracy of ±2% RH and ±0.2°C. The broad supply voltage of 1.62 V to 3.6 V and an energy budget below 1 μJ per measurement make the SHTC3 perfectly suited to mobile or wireless applications powered by battery.
With the industry-proven quality and reliability of Sensirion’s humidity and temperature sensors providing constant accuracy over a large measurement range, the SHTC3 offers the best performance-price ratio. Tape and reel packaging combined with suitability for standard SMD assembly processes make the SHTC3 ideal for high-volume applications.
Overview Specifications
Name | Typ. Humidity Accuracy %RH | Typ. Temperature °C | Supply Voltage V | Interface | Package Size (L x W x H) mm | Datasheet | Buy |
---|---|---|---|---|---|---|---|
SHTC3 | ±2.0% | ±0.2 | 1.62 to 3.6 V | I2C | 2 x 2 x 0.75 | Download | ![]() |
Features
Interface | I²C |
Supply voltage range | 1.62 – 3.6 V |
Current consumption | 0.5 μA (at 1 reading per second in low power mode) |
Measuring range (RH) | 0 – 100% relative humidity |
Measuring range (T) | -40 to +125°C (-40 to +275°F) |
Response time (RH) | 8s (tau63%) |
Delivery Conditions
Packaging | Tape & Reel, sealed in ESD bags |
Packaging sizes Minimum order quantity |
2’500 or 10’000 pieces per reel 2’500 pieces |
Accuracy Limits for Relative Humidity and Temperature


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