Temperature & Humidity Sensor ICs

Temperature sensor ICs are components that directly translate physical temperature into digital information. Likewise, humidity sensor ICs can measure atmospheric moisture levels and translate that into digital information. As such, temperature and humidity sensor ICs are essential for environmental monitoring in and around sensitive electronic equipment.

These capabilities make temperature and humidity sensor ICs suitable for several applications, such as to maintain environmental conditions in laboratory test and measurement. They might also be used to trigger a shut-down of equipment that might be compromised by over-heat, or moisture exposure such as condensation.

The RS components offer a wide range of temperature sensor and humidity sensor devices from trusted brands, suitable for a variety of applications and calibrations.

Types of Temperature Sensor

  • Thermostats and thermocouples are temperature sensors which measure heat generation via voltage output. They are typically robust and inexpensive and can be used over a wide range of temperatures.
  • PT100 sensors measure the resistance deviation of the medium to determine its temperature and are sometimes called resistance temperature detectors, or RTDs. These sensors are known for their high accuracy and reliability.
  • Infrared temperature sensors and thermographic cameras convert thermal radiation to an electrical signal to monitor temperature levels. These are ideal for circumstances where contact sensors cannot be used.

Types of Humidity Sensor

  • Capacitive humidity sensors use humidity-dependent condensers to determine moisture output. These sensors are often used to measure the relative humidity in air conditioning units and HVAC systems.
  • Resistive humidity sensors measure the electrical variation in conductive polymers and treated substrates. Low cost and small of size, these sensors are used in a variety of applications and appliances.
  • Thermal conductor humidity sensors calibrate the deviation between the thermal conductivity of dry air versus moist air. Due to their long-term durability and high-temperature resistance, these sensors are often used in clothes dryers and ovens.

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Description Price Sensor Function Output Type Interface Type Accuracy Mounting Type Pin Count Minimum Operating Temperature Operating Temperature Range Maximum Operating Temperature Minimum Operating Supply Voltage Maximum Operating Supply Voltage Package Type Length Height
RS Stock No. 786-5554
Mfr. Part No.SHT21
BrandSensirion
TWD310.00
Each
units
Temperature & Humidity Digital Serial-I2C ±0.3 °C, ±2%RH Surface Mount 6 -40 °C -40 → +125 °C +125 °C 2.1 V 3.6 V DFN 3mm 1.1mm
RS Stock No. 169-1857
Mfr. Part No.SHT21
BrandSensirion
TWD134.00
Each (On a Reel of 400)
units
Temperature & Humidity Digital Serial-I2C ±0.3 °C, ±2%RH Surface Mount 6 -40 °C -40 to +125 °C +125 °C 2.1 V 3.6 V DFN 3mm 1.1mm
RS Stock No. 169-1862
Mfr. Part No.SHT31-ARP-B
BrandSensirion
TWD70.90
Each (On a Reel of 2500)
units
Temperature & Humidity Voltage Analogue ±0.3 °C, ±2%RH Surface Mount 8 -40 °C -40 to +125 °C +125 °C 2.4 V 5.5 V DFN 2.6mm 1mm
RS Stock No. 876-5067
Mfr. Part No.SHT31-ARP-B
BrandSensirion
TWD153.00
Each
units
Temperature & Humidity Voltage Analogue ±0.3 °C, ±2%RH Surface Mount 8 -40 °C -40 to +125 °C +125 °C 2.4 V 5.5 V DFN 2.6mm 1mm
RS Stock No. 727-6226
Mfr. Part No.SHT25
BrandSensirion
TWD415.00
Each
units
Temperature & Humidity Digital Serial-I2C ±1.8%RH Surface Mount 6 -40 °C -40 → +125 °C +125 °C 2.1 V 3.6 V DFN 3mm 1.1mm
RS Stock No. 146-2585
Mfr. Part No.SHT25
BrandSensirion
TWD241.80
Each (On a Reel of 400)
units
Temperature & Humidity Digital Serial-I2C ±1.8%RH Surface Mount 6 -40 °C -40 to +125 °C +125 °C 2.1 V 3.6 V DFN 3mm 1.1mm
RS Stock No. 169-1860
Mfr. Part No.SHT31-DIS-B
BrandSensirion
TWD72.60
Each (On a Reel of 2500)
units
Temperature & Humidity Digital Serial-I2C ±0.3 °C, ±2%RH Surface Mount 8 -40 °C -40 to +125 °C +125 °C 2.4 V 5.5 V DFN 2.6mm 1mm
RS Stock No. 169-1861
Mfr. Part No.SHT21S
BrandSensirion
TWD134.00
Each (On a Reel of 400)
units
Temperature & Humidity Analogue SDM ±0.3 °C, ±2%RH Surface Mount 6 -40 °C -40 to +125 °C +125 °C 2.1 V 3.6 V DFN 3mm 1.1mm
RS Stock No. 876-5064
Mfr. Part No.SHT21S
BrandSensirion
TWD232.00
Each
units
Temperature & Humidity Analogue SDM ±0.3 °C, ±2%RH Surface Mount 6 -40 °C -40 to +125 °C +125 °C 2.1 V 3.6 V DFN 3mm 1.1mm
RS Stock No. 123-7352
Mfr. Part No.SHT35-DIS-B2.5kS
BrandSensirion
TWD358.00
Each
units
Temperature & Humidity Digital Serial-I2C ±0.2 °C, ±1.5%RH Surface Mount 8 -40 °C -40 to +125 °C +125 °C 2.4 V 5.5 V DFN 2.6mm 1mm
RS Stock No. 169-1840
Mfr. Part No.SHT35-DIS-B2.5kS
BrandSensirion
TWD157.50
Each (On a Reel of 2500)
units
Temperature & Humidity Digital Serial-I2C ±0.2 °C, ±1.5%RH Surface Mount 8 -40 °C -40 to +125 °C +125 °C 2.4 V 5.5 V DFN 2.6mm 1mm
RS Stock No. 876-5061
Mfr. Part No.SHT31-DIS-B
BrandSensirion
TWD144.00
Each
units
Temperature & Humidity Digital Serial-I2C ±0.3 °C, ±2%RH Surface Mount 8 -40 °C -40 to +125 °C +125 °C 2.4 V 5.5 V DFN 2.6mm 1mm
RS Stock No. 169-1839
Mfr. Part No.SHT20
BrandSensirion
TWD87.50
Each (On a Reel of 1500)
units
Temperature & Humidity Digital Serial-I2C ±3 %RH, ±3°C Surface Mount 6 -40 °C -40 to +125 °C +125 °C 2.1 V 3.6 V DFN 3mm 1.1mm
RS Stock No. 123-7351
Mfr. Part No.SHT20
BrandSensirion
TWD188.50
Each (In a Pack of 2)
units
Temperature & Humidity Digital Serial-I2C ±3 %RH, ±3°C Surface Mount 6 -40 °C -40 to +125 °C +125 °C 2.1 V 3.6 V DFN 3mm 1.1mm
RS Stock No. 195-0665
Mfr. Part No.STS35-DIS
BrandSensirion
TWD43.80
Each (On a Reel of 2500)
units
Temperature - I2C ±0.1°C Surface Mount - -40 °C -40 to +125 °C +125 °C 2.15 V 5.5 V ESD - -
RS Stock No. 123-7353
Mfr. Part No.SHTW2
BrandSensirion
TWD78.50
Each (In a Pack of 2)
units
Temperature & Humidity Digital Serial-I2C ±0.4 °C, ±3%RH Surface Mount 4 -40 °C -40 to +125 °C +125 °C 1.62 V 1.98 V Flip Chip 1.34mm 0.42mm
New
RS Stock No. 215-4944
Mfr. Part No.SHT30-ARP-B2.5kS
BrandSensirion
TWD135.50
Each (In a Pack of 2)
units
Temperature & Humidity Analogue - ±3% Surface Mount 8 - -40 → 125°C °C - - - DFN - -
RS Stock No. 195-0666
Mfr. Part No.STS35-DIS
BrandSensirion
TWD95.00
Each (In a Pack of 5)
units
Temperature - I2C ±0.1°C Surface Mount - -40 °C -40 to +125 °C +125 °C 2.15 V 5.5 V ESD - -
RS Stock No. 169-1844
Mfr. Part No.STS31-DIS
BrandSensirion
TWD31.50
Each (On a Reel of 2500)
units
Temperature Digital Serial-I2C ±0.3°C Surface Mount 8 -40 °C -40 to +125 °C +125 °C 2.4 V 5.5 V DFN 2.6mm 1mm
New
RS Stock No. 212-1796
Mfr. Part No.SFA30-D-T
BrandSensirion
TWD1,575.00
Each
units
Temperature & Humidity Digital Serial ±20 ppb Or ±20% Of Measured Value% Surface 7 - -20 To 50 °C - - - Stacked Trays - -