HS1101LF Capacitive Humidity Sensor

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  • HS1101LF Capacitive Humidity Sensor PERFORMANCE SPECS
    Ratings Symbol Value Unit
    Operating Temperature Ta -60 to 140 °C
    Storage Temperature Tstg -60 to 140 °C
    Supply Voltage (Peak) Vs 10 Vac
    Humidity Operating Range RH 0 to 100 % RH
  • Full interchangeability with no calibration required in standard conditions
  • Instantaneous desaturation after long periods in saturation phases
  • Compatible with automatized assembly processes, including Pb free wave soldering and reflow processes
  • Individual marking for compliance to stringent traceability requirements
  • Part may be washed with distilled water.


  • HS1101/HS1101LF Capacitive Humidity Sensor
  • Based on a unique capacitive cell, these relative humidity sensors are designed for high volume, cost sensitive applications such as office automation, automotive cabin air control, home appliances, and industrial process control systems. They are also useful in all applications where humidity compensation is needed.
  • Lead free component
  • High reliability and long term stability
  • Patented solid polymer structure
  • Suitable for linear voltage or frequency output circuitry
  • Fast response time and very low temperature coefficient

(Ta=25ºC, measurement frequency @10kHz / 1V unless otherwise noted)

Characteristics Symbol  Min Typ  Max Unit
Humidity Measuring Range RH 1 99 %RH
Supply Voltage Vs 10 V
Nominal capacitance @55%RH C 177 180 183 pF
Temperature coefficient Tcc 0.01 pF/°C
Average Sensitivity from 33% to 75%RH ΔC/%RH 0.31 pF/%RH
Leakage Current (Vcc=5V) I 1 nA
Recovery time after 150 hours of condensation tr 10 s
Humidity Hysteresis /-1 %RH
Long term stability T /-0.5 %RH/yr
Time Constant (at 63% of signal still air) 33%RH to 80%RH ta 3 5 s
Deviation to typical response curve (10% RH to 90%RH) /-2 %RH

HS1101LF Capacitive Humidity Sensor APPLICATIONS

  • Automotive
  • Home Appliance
  • Printers
  • Meteorology