Capacitive Humidity Sensor - HS1101/HS1101LF

• 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
• Operating Temperature: -60~140°C
• Supply Voltage (Peak): 10Vac
• Humidity Operating Range: 0~100% RH

  • Model Number: HS1101/HS1101LF
  • Data Sheet: Date Sheet File
Quantity:
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  • Capacitive Humidity Sensor
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Product Specification

HS1101LF - Relative Humidity Sensor

    • 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

DESCRIPTION
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. 


FEATURES
• Full interchangeability with no calibration required in standard conditions 
• Instantaneous desaturation after long periods in saturation phase 
• 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. 

APPLICATIONS
• Automotive
• Home Appliance
• Printers
• Meteorology

PERFORMANCE SPECS
MAXIMUM RATINGS

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


ELECTRICAL CHARACTERISTICS OF HUMIDITY SENSOR
(Ta=25℃, 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


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