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. 169-0093
Mfr. Part No.SI7053-A20-IM
kr 14,223
Each (In a Tube of 100)
Units
Temperature Digital Serial-I2C ±0.3°C Surface Mount 6 -40 °C -40 to +125 °C +125 °C 1.9 V 3.6 V DFN 3mm 0.8mm
New
RS Stock No. 217-3750
Mfr. Part No.HS3002
kr 61,04
Each (In a Pack of 2)
Units
Temperature & Humidity Digital I2C ±1.8% Surface Mount 6 - -40 → +125 °C - - - LGA - -
RS Stock No. 169-0086
Mfr. Part No.SI7020-A20-IM
kr 20,185
Each (On a Tape of 100)
Units
Temperature & Humidity Digital Serial-I2C ±0.4 °C, ±4%RH Surface Mount 6 -40 °C -40 to +125 °C +125 °C 1.9 V 3.6 V DFN 3mm 0.75mm
RS Stock No. 697-7127
Mfr. Part No.AD7814ARTZ-500RL7
kr 23,688
Each (In a Pack of 5)
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. 193-3499
Mfr. Part No.G-TPMO-104
kr 239,68
Each
Units
Temperature Digital I2C ±1°C Through Hole 4 -10 °C -10 to +85 °C +85 °C 1.68 V 3.6 V TO - 8.45mm
New
RS Stock No. 210-3001
Mfr. Part No.AS6204-AWLT-S
Brandams
kr 21,436
Each (In a Pack of 5)
Units
Temperature Digital Serial ±0.4°C Surface Mount 6 - -40 → 125 °C - - - 6-WLCSP - -
RS Stock No. 538-4050
Mfr. Part No.TMP03FT9Z
kr 81,97
Each
Units
Temperature Open Collector Digital PWM ±3°C Through Hole 3 -55 °C -55 to +150 °C +150 °C 4.5 V 7 V TO-92 5.21mm 5.33mm
RS Stock No. 865-2312
Mfr. Part No.Si7020-A20-IM
kr 22,367
Each (In a Pack of 3)
Units
Temperature & Humidity Digital Serial-I2C ±0.4 °C, ±4%RH Surface Mount 6 -40 °C -40 to +125 °C +125 °C 1.9 V 3.6 V DFN 3mm 0.75mm
RS Stock No. 203-6928
Mfr. Part No.HIH-4010-004
BrandHoneywell
kr 155,90
Each
Units
- - - ±3.5% Through Hole 3 - -40 to 85 °C - - - SIP - -
New
RS Stock No. 210-5089
Mfr. Part No.CC2A35
kr 97,59
Each
Units
Temperature & Humidity Analogue I2C ±3% Surface Mount 8 - -40 → 125 °C - - - 8-SMD - -
RS Stock No. 190-1250
Mfr. Part No.MAX6658MSA+
kr 36,785
Each (In a Pack of 2)
Units
Temperature Digital Serial-I2C, SMBus 0.125°C Surface Mount 8 0 °C 0 to +125 °C +125 °C 3 V 5.5 V SOIC 5mm 1.5mm
RS Stock No. 850-7990
Mfr. Part No.ADT6401SRJZ-RL7
kr 7,932
Each (In a Pack of 5)
Units
Temperature Switch Digital - ±6°C Surface Mount 6 -55 °C -55 to +125 °C +125 °C 2.7 V 5.5 V SOT-23 3mm 1.3mm
RS Stock No. 770-9892
Mfr. Part No.MCP9808-E/MS
BrandMicrochip
kr 10,383
Each (In a Pack of 4)
Units
Temperature Digital Serial-I2C, SMBus ±1°C Surface Mount 8 -40 °C -40 to +125 °C +125 °C 2.7 V 5.5 V MSOP 3mm 0.95mm
RS Stock No. 146-2372
Mfr. Part No.HPP845E031R5
kr 17,015
Each (On a Reel of 5000)
Units
Temperature & Humidity Digital Serial-I2C ±2%RH Surface Mount 6 -40 °C -40 to +125 °C +125 °C 1.5 V 3.6 V DFN 3mm 0.9mm
RS Stock No. 203-6420
Mfr. Part No.HIH7121-021-001
BrandHoneywell
kr 65,163
Each (On a Reel of 1000)
Units
Temperature & Humidity Digital Serial-I2C ±3% Through Hole 4 - -40 to 100 °C - - - SIP - -
RS Stock No. 874-4641
Mfr. Part No.HIH6121-021-001
BrandHoneywell
kr 100,78
Each
Units
Temperature & Humidity Digital Serial-I2C ±4%RH Through Hole 4 -25 °C -25 to +85 °C +85 °C 2.3 V 5.5 V SIP 4.9mm 3.9mm
RS Stock No. 190-5317
Mfr. Part No.MAX6577ZUT+T
kr 16,54
Each (In a Pack of 5)
Units
Temperature Period/Frequency Serial-1 Wire ±5°C Surface Mount 6 -40 °C -40 to +125 °C +125 °C 2.7 V 5.5 V SOT-23 3mm 1.3mm
RS Stock No. 121-9297
Mfr. Part No.LM61CIZ/NOPB
kr 4,493
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. 146-1279
Mfr. Part No.MAX1619MEE+
kr 52,908
Each (In a Tube of 100)
Units
Temperature Digital SMBus ±3°C Surface Mount 16 -55 °C -55 to +125 °C +125 °C 3 V 5.5 V QSOP 4.98mm 1.55mm
RS Stock No. 190-4567
Mfr. Part No.DS1626U+
kr 33,691
Each (In a Tube of 50)
Units
Temperature Digital Serial-3 Wire ±0.5°C Surface Mount 8 -55 °C -55 to +125 °C +125 °C 2.7 V 5.5 V μSOP 3.1mm 0.95mm