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HC109 SMD Humidity Sensors for Mass Applications

Typical Applications

automotive - air conditioning
home appliances
photocopy machines

Features

SMD mounting
high reproducibility
wettable
very good long term stability
small size construction

Technical Data

Sensor HC109
Nominal capacitance C0 (at 30 °C / 86 °F) 80 ± 12 pF
C76 (at 30 °C / 86 °F) 100.8 ± 15.1 pF
Response time t90 < 6 sec.
Sensitivity 0.27 pF /% RH
Temperature dependence dC = -0.00095*RH*(T-30 °C) [pF]
Working range humidity 0...100 % RH
temperature -40...120 °C (-40...248 °F)
Linearity error (0...98 % RH) < ± 1.5 % RH
Hysteresis 1.7 ± 0.15 % RH
Long term stability at 20-30 °C (68-86 °F) / 20-80 % RH drift < 0.5 % / year1)
Loss tangent < 0.05 typical
Maximum supply voltage (no DC voltage) 5 V max (Upp)
Maximum DC voltage < 5 mV
Operating frequency 10...100 kHz,
recommended 20 kHz
Packaging (tape and reel) refer to ordering guide