P14-FemptoCap Capacitive Humidity Sensor
Description
Despite its very small construction size the FemtoCap has excellent sensor characteristics that are required in areas such as automobile and whilte goods. In combination with external electronics it offers excellent cost to performance ratio. The Femtocapis a cutting edge sensor solution. Currently, it is the smallest discrete capacitive humidity sensor with an unsurpassed cost to performance ratio.
Features
- Fully automated assembling
- Excellent long-term stability
- Applicable for white goods, mobile phones, automotive
- High resistance to various chemicals
- Dew resistant - fast recovery time after dewing, also at very high dewpoint temperatures
- Excellent price/performance ratio
- Fast response time
- RoHs conforming
Technical Features
| Parameter | Value |
|---|---|
| Measuring Principle: | Capacitive polymer humidity sensor |
| Mechanical Dimensions | 2 X 4 X 0.38 mm |
| Humidity Operating Range | 0-100% rH (max dewpoint temperature = 80°C) |
|
Operating Temperature Range |
-50°C to +150°C |
| Base Capacitance | 180 pF+/-50pF at 23°C and 30% rH |
| Sensitivity | 0.3pF/%rH |
| Nonlinearity | less than 1.5% rH (10-90% rH at 23°C, after one point calibration) |
| Hysteresis | 1h, 20% rH at 23°C less than 1.5% rH |
| 1h, 85% rH at 70°C less than 1.5% rH | |
| Response Time t63 | less than 3 seconds (50% to 0% rH) at 23°C |
| Frequency Range | 1 to 100 KHz (recommend 10 KHz) |
| Maximum Operating Voltage | less than 12 Vpp AC |
| Signal Form | alternating signal without DC bias |
| Contacts | SMD, backend compatible |
Data Sheet
