ASIL-A safety element out of context humidity sensor
Sensirion is adding SHT41A-AWSB to its fourth generation portfolio of Automotive RHT sensors. SHT41A-AWSB is the first RHT sensor that can be used as a Safety Element out of Context (SEooC) in ASIL-A functional safety applications, in accordance with ISO 26262. The sensor, together with its safety and diagnostics manuals provide a unique solution to address safety goals targeting water ingress detection. Application examples include, but are not limited to, water ingress detection inside ECU housings, steer-by-wire systems, LiDAR, cameras and rain light sensors.
| Humidity | |||
|---|---|---|---|
| Typ. relative humidity accuracy2%RH | 2 | %RH | |
| Operating relative humidity range0 - 100%RH | 0 - 100 | %RH | |
| Response time (τ63%)4s | 4 | s |
| Temperature | |||
|---|---|---|---|
| Typ. temperature accuracy0.2°C | 0.2 | °C | |
| Response time (τ63%)2s | 2 | s |
| Generic | |||
|---|---|---|---|
| Supply voltage2.3 - 5.5V | 2.3 - 5.5 | V | |
| Average supply current19uA | 19 | uA | |
| Operating temperature range [°C]-40 - 125°C | -40 - 125 | °C | |
| InterfacesI²C | I²C | ||
| Size (LxWxH)1.5 x 1.5 x 0.5mm |

Sensirion's sensor solutions are used in a wide range of applications and markets. Our reliable environmental and flow sensors improve energy efficiency, increase health and ensure safety and comfort.
Buy the following products to evaluate this sensor
| Name | Description | Series | Category |
|---|---|---|---|
SEK-SHT41A | Relative humidity and temperature evaluation kit SHT41A | SEK-SHTxx | Humidity sensors |
| mm |
| Packaging size2500, 10000pcs (T&R) | 2500, 10000 | pcs (T&R) |