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. 865-2299
Mfr. Part No.Si7013-A20-GM
PHP177.543
Each (In a Pack of 3)
units
Temperature & Humidity Digital Serial-I2C ±0.4 °C, ±3%RH Surface Mount 10 -40 °C -40 to +85 °C +85 °C 1.9 V 3.6 V DFN 3mm 0.75mm
RS Stock No. 162-7131
Mfr. Part No.TMP275AID
PHP109.73
Each (In a Tube of 75)
units
Temperature Digital Serial-I2C, SMBus ±0.2°C Surface Mount 8 -55 °C -55 to +127 °C +127 °C 2.7 V 5.5 V SOIC 4.9mm 1.58mm
RS Stock No. 196-2010
Mfr. Part No.STLM75M2F
PHP21.201
Each (On a Reel of 2500)
units
Temperature Open Drain - ±3°C Surface Mount 8 -55 °C -55 to +125 °C +125 °C 2.7 V 5.5 V SO 5mm 1.5mm
RS Stock No. 190-4568
Mfr. Part No.DS1631Z+
PHP190.365
Each (In a Tube of 100)
units
Temperature Digital Serial-2 Wire ±0.5°C Surface Mount 8 -55 °C -55 to +125 °C +125 °C 2.7 V 5.5 V SO 5mm 1.5mm
RS Stock No. 168-6407
Mfr. Part No.STDS75DS2F
PHP20.053
Each (On a Reel of 1000)
units
Temperature Digital Serial-I2C, SMBus ±3°C Surface Mount 8 -55 °C -55 to +125 °C +125 °C 2.7 V 5.5 V MSOP 3mm 0.85mm
RS Stock No. 195-0688
Mfr. Part No.SCC30-DB RH/T module, 125 PCS
BrandSensirion
PHP525.94
Each
units
- - I2C ±3%RH - - -20 °C -20 to +85 °C +85 °C 2.4 V 5.5 V ESD - -
RS Stock No. 534-3879
Mfr. Part No.LM76CHM-5/NOPB
PHP234.61
Each
units
Temperature Digital Serial-I2C, SMBus ±1.5°C Surface Mount 8 -55 °C -55 → +150 °C +150 °C 3 V 5.5 V SOIC 4.9mm 1.45mm
RS Stock No. 865-2292
Mfr. Part No.Si7013-A20-GM1
PHP194.80
Each (In a Pack of 3)
units
Temperature & Humidity Digital Serial-I2C ±0.4 °C, ±3%RH Surface Mount 10 -40 °C -40 to +85 °C +85 °C 1.9 V 3.6 V DFN 3mm 0.75mm
RS Stock No. 193-5551
Mfr. Part No.MCP96L01T-E/MX
BrandMicrochip
PHP312.00
Each (In a Pack of 2)
units
Temperature - - - Surface Mount 20 - - - - - MQFN - -