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. 893-7082
Mfr. Part No.HPP801A031
PHP407.63
Each
units
Humidity Sensor Analogue Analogue ±2%RH Through Hole 2 -60 °C -60 to +140 °C +140 °C - 10 V ac - 10.2mm 6.2mm
RS Stock No. 912-2847
Mfr. Part No.MCP9700-E/TO
BrandMicrochip
PHP9.825
Each (In a Bag of 1000)
units
Temperature Voltage Analogue ±1°C Through Hole 3 -40 °C -40 to +125 °C +125 °C 2.3 V 5.5 V TO-92 4.71mm 4.62mm
RS Stock No. 103-1583
Mfr. Part No.LM335AZ
PHP33.086
Each (In a Bag of 2500)
units
Temperature Voltage Analogue ±1°C Through Hole 3 -40 °C -40 to +100 °C +100 °C 2.95 V 3.91 V TO-92 5mm 5mm
RS Stock No. 124-6463
Mfr. Part No.BD1020HFV-TR
BrandROHM
PHP27.35
Each (In a Pack of 15)
units
Temperature Voltage Analogue ±2.5°C Surface Mount 5 -30 °C -30 to +100 °C +100 °C 2.4 V 5.5 V HVSOP 1.6mm 0.58mm
RS Stock No. 403-620
Mfr. Part No.MCP9700-E/TO
BrandMicrochip
PHP12.863
Each (In a Pack of 20)
units
Temperature Voltage Analogue ±1°C Through Hole 3 -40 °C -40 → +125 °C +125 °C 2.3 V 5.5 V TO-92 4.71mm 4.62mm
RS Stock No. 714-7917
Mfr. Part No.LM335AZ
PHP71.368
Each (In a Pack of 5)
units
Temperature Voltage Analogue ±1°C Through Hole 3 -40 °C -40 → +100 °C +100 °C 2.95 V 3.91 V TO-92 5mm 5mm
RS Stock No. 169-1840
Mfr. Part No.SHT35-DIS-B2.5kS
BrandSensirion
PHP257.858
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. 121-9297
Mfr. Part No.LM61CIZ/NOPB
PHP26.972
Each (In a Box of 1800)
units
Temperature Voltage Analogue ±4°C Through Hole 3 -30 °C -30 to +100 °C +100 °C 2.7 V 10 V TO-92 5.2mm 5.2mm
RS Stock No. 169-1860
Mfr. Part No.SHT31-DIS-B
BrandSensirion
PHP122.922
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. 123-7352
Mfr. Part No.SHT35-DIS-B2.5kS
BrandSensirion
PHP431.53
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. 522-8641
Mfr. Part No.AD590KH
PHP1,096.40
Each
units
Temperature Current - ±2.5°C Through Hole 3 -55 °C -55 → +150 °C +150 °C 4 V 30 V TO-52 5.84mm 3.81mm
RS Stock No. 876-5061
Mfr. Part No.SHT31-DIS-B
BrandSensirion
PHP321.30
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. 169-7678
Mfr. Part No.HIH-4000-003
BrandHoneywell
PHP33,174.75
1 Tube of 25
Tube(s)
Humidity Sensor Analogue Analogue ±3.5%RH Through Hole 3 -40 °C -40 to +85 °C +85 °C 4 V 5.8 V SIP 21.66mm 2.03mm
RS Stock No. 912-2904
Mfr. Part No.TCN75AVOA
BrandMicrochip
PHP28.321
Each (In a Tube of 100)
units
Temperature Digital Serial-I2C, SMBus ±1°C Surface Mount 8 -55 °C -55 to +125 °C +125 °C 2.7 V 5.5 V SOIC 4.9mm 1.42mm
RS Stock No. 121-8002
Mfr. Part No.MK33-W
PHP2,945.44
Each
units
- - - - Through Hole 2 +40 °C 40 to +190 °C +190 °C - 12 V - 10.8mm 0.8mm
RS Stock No. 874-4562
Mfr. Part No.HIH-4000-004
BrandHoneywell
PHP1,346.75
Each
units
Humidity Sensor Analogue Analogue ±3.5%RH Through Hole 3 -40 °C -40 to +85 °C +85 °C 4 V 5.8 V SIP 4.17mm 8.59mm
RS Stock No. 144-5786
Mfr. Part No.MCP9701-E/TO
BrandMicrochip
PHP9.825
Each (In a Bag of 1000)
units
Temperature Voltage Analogue ±2°C Through Hole 3 -10 °C -10 to +125 °C +125 °C 3.1 V 5.5 V TO-92 4.71mm 4.62mm
RS Stock No. 548-4295
Mfr. Part No.HIH-4000-003
BrandHoneywell
PHP1,136.89
Each
units
Humidity Sensor Analogue Analogue ±3.5%RH Through Hole 3 -40 °C -40 → +85 °C +85 °C 4 V dc 5.8 V dc SIP 21.66mm 2.03mm
RS Stock No. 110-6598
Mfr. Part No.HTS221TR
PHP199.625
Each (In a Pack of 2)
units
Temperature & Humidity Digital Analogue ± 0.5 °C, ± 3.5% Surface Mount 6 -40 °C -40 to +120 °C +120 °C 1.7 V 3.6 V HLGA 2mm 0.9mm
RS Stock No. 169-1862
Mfr. Part No.SHT31-ARP-B
BrandSensirion
PHP122.922
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