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. 738-7054
Mfr. Part No.MCP9701AT-E/LT
BrandMicrochip
PHP15.95
Each (In a Pack of 10)
units
Temperature Voltage Analogue ±1°C Surface Mount 5 -10 °C -10 → +125 °C +125 °C 3.1 V 5.5 V SC-70 2.2mm 1mm
RS Stock No. 165-3320
Mfr. Part No.MCP9701AT-E/LT
BrandMicrochip
PHP13.077
Each (On a Reel of 3000)
units
Temperature Voltage Analogue ±1°C Surface Mount 5 -10 °C -10 to +125 °C +125 °C 3.1 V 5.5 V SC-70 2.2mm 1mm
RS Stock No. 876-5055
Mfr. Part No.SHT21P
BrandSensirion
PHP351.40
Each
units
Temperature & Humidity PWM Digital PWM ±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. 876-5067
Mfr. Part No.SHT31-ARP-B
BrandSensirion
PHP232.04
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. 697-7127
Mfr. Part No.AD7814ARTZ-500RL7
PHP144.574
Each (In a Pack of 5)
units
Temperature Digital SPI ±2°C Surface Mount 6 -55 °C -55 → +125 °C +125 °C 2.7 V 5.5 V SOT-23 2.9mm 1.15mm
RS Stock No. 911-5524
Mfr. Part No.MCP9700A-E/TO
BrandMicrochip
PHP13.293
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. 111-2255
Mfr. Part No.AD7814ARTZ-500RL7
PHP99.813
Each (On a Reel of 500)
units
Temperature Digital SPI ±2°C Surface Mount 6 -55 °C -55 to +125 °C +125 °C 2.7 V 5.5 V SOT-23 2.9mm 1.15mm
RS Stock No. 166-0935
Mfr. Part No.HTS221TR
PHP108.838
Each (On a Reel of 8000)
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. 824-6548
Mfr. Part No.TC74A5-3.3VCTTR
BrandMicrochip
PHP46.82
Each (In a Pack of 10)
units
Temperature Digital Serial-I2C, SMBus ±3°C Surface Mount 5 -40 °C -40 → +125 °C +125 °C 2.7 V 5.5 V SOT-23 3mm 1.3mm
RS Stock No. 169-9923
Mfr. Part No.MK33-W
PHP2,746.88
Each (In a Tray of 50)
units
- - - - Through Hole 2 +40 °C 40 to +190 °C +190 °C - 12 V - 10.8mm 0.8mm
RS Stock No. 403-838
Mfr. Part No.MCP9700A-E/TO
BrandMicrochip
PHP15.95
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. 697-8025
Mfr. Part No.TMP04FSZ
PHP457.39
Each
units
Temperature CMOS, TTL Digital PWM ±3°C Surface Mount 8 -55 °C -55 → +150 °C +150 °C 4.5 V 7 V SOIC 5mm 1.5mm
RS Stock No. 668-7202
Mfr. Part No.MCP9701-E/TO
BrandMicrochip
PHP12.863
Each (In a Pack of 20)
units
Temperature Voltage Analogue ±2°C Through Hole 3 -10 °C -10 → +125 °C +125 °C 3.1 V 5.5 V TO-92 4.71mm 4.62mm
RS Stock No. 709-2772
Mfr. Part No.TMP37FT9Z
PHP80.262
Each (In a Pack of 5)
units
Temperature Emitter Follower Voltage ±1°C Through Hole 3 +5 °C +5 → +100 °C +100 °C 2.7 V 5.5 V TO-92 5.21mm 5.33mm
RS Stock No. 843-1821
Mfr. Part No.HDC1000YPAT
PHP496.01
Each (In a Pack of 2)
units
Temperature & Humidity Digital Serial-I2C ±3% Surface Mount 8 -40 °C -40 to +125 °C +125 °C 2.7 V 5.5 V BGA 2.07mm 0.41mm
RS Stock No. 169-1858
Mfr. Part No.SHT21P
BrandSensirion
PHP223.48
Each (On a Reel of 400)
units
Temperature & Humidity PWM Digital PWM ±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. 121-9766
Mfr. Part No.HDC1000YPAT
PHP302.40
Each (On a Reel of 250)
units
Temperature & Humidity Digital Serial-I2C ±3% Surface Mount 8 -40 °C -40 to +125 °C +125 °C 2.7 V 5.5 V BGA 2.07mm 0.41mm
RS Stock No. 738-6014
Mfr. Part No.TCN75AVOA
BrandMicrochip
PHP36.016
Each (In a Pack of 5)
units
Temperature Digital Serial-I2C, SMBus ±1°C Surface Mount 8 -55 °C -55 → +125 °C +125 °C 2.7 V 5.5 V SOIC 4.9mm 1.42mm
RS Stock No. 427-341
Mfr. Part No.AD590JF
PHP1,835.22
Each
units
Temperature Current - ±5°C Surface Mount 2 -55 °C -55 → +150 °C +150 °C 4 V 30 V FPAK 2.36mm 1.27mm
RS Stock No. 874-4553
Mfr. Part No.HIH-4000-002
BrandHoneywell
PHP1,099.37
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