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HPP801A031 - capacitive relative humidity sensor

13.08.2019

TE Connectivity's new HPP801A031 (HS1101LF) relative humidity sensor is designed for industrial and consumer applications and features high reliability and long-term stability. The HPP801A031 is a 0...100% RH analog capacitive sensor with a nominal capacitance of 180 pF (@55%RH) that varies with humidity by a factor of 0,31 pF/%RH. Based on the HPP801A031, it is easy to build moisture-frequency converters with an output frequency range from 5 to 300 kHz. The maximum operating voltage of the sensor is 10 V, the operating temperature limit is from -60 to 140°C.

Available in a protective case, the HPP801A031 is resistant to many chemicals associated with household appliances or automotive applications. The sensor is built on a proprietary technology that uses a solid polymer structure to provide a fast response time (3 sec) and a very low temperature coefficient (-0,01 pF/°C). The scope of relative humidity sensors is office automation, climate control on vehicles, household appliances and industrial equipment.

HPP801A031 reliability parameters:

Capable of both wave and reflow soldering (260°C) + cleaning with water at 45°C
JESD-22-B104-A Compliant (Mechanical Shock)
Vibration resistance according to JESD-22-B103-A (frequency 20 to 2000 Hz)
Individual indelible marking
ESD protection - air discharge +-15 kV (IEC 1000)
Salt atmosphere protection according to JESD22-A107-A
Ability to withstand temperature cycle -40...125°C
Operating at 93%RH/60°C for 1000 hours
Shelf life at low humidity RH <10%/23°C for 1000 hours
Resistant to immersion in water at an ambient temperature of 80°C
Storage at high temperature 140°C for 168 hours.

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