• 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
HS1101LF Capacitive Humidity Sensor 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.
HS1101LF Capacitive Humidity Sensor 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.
HS1101LF Capacitive Humidity Sensor APPLICATIONS
• Automotive
• Home Appliance
• Printers
• Meteorology
HS1101LF Capacitive Humidity Sensor 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 |
