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. 709-2898
Mfr. Part No.AD590MH
MYR437.34
Each
units
Temperature Current - ±0.5°C Through Hole 3 -55 °C -55 → +150 °C +150 °C 4 V 30 V TO-52 5.84mm 3.81mm
RS Stock No. 874-4562
Mfr. Part No.HIH-4000-004
BrandHoneywell
MYR87.61
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. 121-8002
Mfr. Part No.MK33-W
MYR254.72
Each
units
- - - - Through Hole 2 +40 °C 40 to +190 °C +190 °C - 12 V - 10.8mm 0.8mm
RS Stock No. 820-9505
Mfr. Part No.TMP06BKSZ-500RL7
MYR13.20
Each (In a Pack of 5)
units
Temperature Open Drain Digital PWM ±1°C Surface Mount 5 -40 °C -40 to +150 °C +150 °C 3 V 5.5 V SC-70 2.2mm 1mm
RS Stock No. 169-1840
Mfr. Part No.SHT35-DIS-B2.5kS
BrandSensirion
MYR22.61
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. 811-5579
Mfr. Part No.LM34CZ/NOPB
MYR32.32
Each
units
Temperature Voltage Analogue ±4°F Through Hole 3 -40 °C -40 → +110 °C +110 °C 5 V 30 V TO-92 5.2mm 5.2mm
RS Stock No. 169-9924
Mfr. Part No.P14 SMD-G
MYR168.686
Each (In a Tray of 50)
units
- - - ±1.5% Surface Mount 2 -50 °C -50 to +150 °C +150 °C - 12 V SMD 6.35mm 0.4mm
RS Stock No. 169-9921
Mfr. Part No.HYT271
MYR112.269
Each (In a Tray of 50)
units
Temperature & Humidity Digital Serial-I2C ±0.2 K, ±1.8% Through Hole 4 -40 °C -40 to +125 °C +125 °C 2.7 V 5.5 V - 5.1mm 10.2mm
RS Stock No. 121-7998
Mfr. Part No.HYT271
MYR192.02
Each
units
Temperature & Humidity Digital Serial-I2C ±0.2 K, ±1.8% Through Hole 4 -40 °C -40 to +125 °C +125 °C 2.7 V 5.5 V - 5.1mm 10.2mm
RS Stock No. 540-5258
Mfr. Part No.DS1620+
MYR44.27
Each
units
Temperature Switch Digital SPI ±2°C Through Hole 8 -55 °C -55 → +125 °C +125 °C 2.7 V 5.5 V PDIP 9.91mm 4.45mm
RS Stock No. 133-0679
Mfr. Part No.LMT01LPG
MYR11.214
Each (In a Pack of 5)
units
Temperature Digital 1-Wire ±0.7°C Surface Mount 2 -50 °C -50 to +150 °C +150 °C 2 V 5.5 V TO-92 4.1mm 3.25mm
RS Stock No. 264-147
Mfr. Part No.LM135H
MYR59.06
Each
units
Temperature Voltage Analogue ±1°C Through Hole 3 -55 °C -55 → +150 °C +150 °C 2.95 V 2.99 V TO-46 5.44mm 2.67mm
RS Stock No. 121-8001
Mfr. Part No.LinPiccoBasic A420-G
MYR373.45
Each
units
- Analogue Analogue <±3 %, <±5% Surface Mount - -25 °C -25 to +85 °C +85 °C 8 V 10 V - 47mm 2.8mm
RS Stock No. 668-7234
Mfr. Part No.TC622VAT
BrandMicrochip
MYR8.325
Each (In a Pack of 2)
units
Temperature Driver Analogue ±5°C Through Hole 5 -40 °C -40 → +125 °C +125 °C 4.5 V 18 V TO-220 10.67mm 9.02mm
RS Stock No. 159-6621
Mfr. Part No.TC622VAT
BrandMicrochip
MYR7.924
Each (In a Tube of 50)
units
Temperature Driver Analogue ±5°C Through Hole 5 -40 °C -40 to +125 °C +125 °C 4.5 V 18 V TO-220 10.67mm 9.02mm
RS Stock No. 121-8003
Mfr. Part No.P14 SMD-G
MYR190.48
Each
units
- - - ±1.5% Surface Mount 2 -50 °C -50 to +150 °C +150 °C - 12 V SMD 6.35mm 0.4mm
RS Stock No. 121-8265
Mfr. Part No.LM135H
MYR41.941
Each (In a Box of 500)
units
Temperature Voltage Analogue ±1°C Through Hole 3 -55 °C -55 to +150 °C +150 °C 2.95 V 2.99 V TO-46 5.44mm 2.67mm
RS Stock No. 168-5009
Mfr. Part No.LMT01LPG
MYR5.412
Each (On a Reel of 1000)
units
Temperature Digital 1-Wire ±0.7°C Surface Mount 2 -50 °C -50 to +150 °C +150 °C 2 V 5.5 V TO-92 4.1mm 3.25mm
RS Stock No. 727-6226
Mfr. Part No.SHT25
BrandSensirion
MYR53.59
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. 160-9817
Mfr. Part No.TMP06BKSZ-500RL7
MYR9.519
Each (On a Reel of 500)
units
Temperature Open Drain Digital PWM ±1°C Surface Mount 5 -40 °C -40 to +150 °C +150 °C 3 V 5.5 V SC-70 2.2mm 1mm