SHT40-CD1B
New±1.8% / max. ±3.5% RH Digital humidity & temp. sensor / 0x46 I2C Output
<p><span style="background-color:rgb(255,255,255);color:rgb(0,0,0);">In line with Sensirion’s industry-proven humidity and temperature sensors, the SHT40-CD1B offers the best price-performance ratio on the market. Tape and reel packaging combined with its suitability for standard SMD assembly processes make the SHT40-CD1B ideal for high-volume applications.</span><br><br><span style="background-color:rgb(255,255,255);color:rgb(0,0,0);">The SHT40-CD1B builds on a completely new and optimized CMOSens® chip that offers reduced power consumption and improved accuracy specifications. With the extended supply voltage range from 1.08 V to 3.6 V, it’s the perfect fit for mobile and battery-driven applications. The exceptionally small size in a robust DFN housing enables integration into challenging designs while meeting the highest reliability demands, as demonstrated by the JEDEC JESD47 qualification. </span>On top of that, the SHT40-CD1B is compliant with the relevant healthy building standards RESET® and WELL Building Standard™.</p>
Specification
| Humidity | |||
|---|---|---|---|
| Typ. relative humidity accuracy
1.8
| 1.8 | %RH | |
| Operating relative humidity range
0 - 100
| 0 - 100 | %RH | |
| Response time (τ63%)
4
| 4 | s |
| Temperature | |||
|---|---|---|---|
| Typ. temperature accuracy
0.2
| 0.2 | °C | |
| Operating temperature range [°C]
-40 - 125
| -40 - 125 | °C | |
| Response time (τ63%)
2
| 2 | s |
| Generic | |||
|---|---|---|---|
| Supply voltage
1.08 - 3.6
| 1.08 - 3.6 | V | |
| Average supply current
0.4
| 0.4 | uA | |
| Interfaces
I²C
| I²C | ||
| Size (LxWxH)
1.5 x 1.5 x 0.5
| 1.5 x 1.5 x 0.5 | mm³ | |
| Packaging size
2500, 10000
| 2500, 10000 | pcs (T&R) |
Downloads
Sensor evaluation
Buy the following products to evaluate this sensor
| Name | Description | Series | Category |
|---|---|---|---|
 SEK-SHT40 | Humidity and temperature evaluation kit SHT40 | SEK-SHTxx | Humidity |
Download the respective viewer software to start measuring
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