Temperature Sensors & Humidity Sensors

Temperature sensors are components that directly translate physical temperature into digital information. Likewise, humidity sensors are able to measure atmospheric moisture levels and translate that into digital information. As such, temperature and humidity sensors are essential for environmental monitoring in and around sensitive electronic equipment.

These capabilities make temperature and humidity sensors suitable for a number of 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 range offers temperature sensors and humidity sensors 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 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. 865-2393
Mfr. Part No.Si7053-A20-IM
$2.90
Each (In a Pack of 5)
units
Temperature Digital Serial-I2C ±0.3°C Surface Mount 6 -40 °C -40 → +125 °C +125 °C 1.9 V 3.6 V DFN 3mm 0.8mm
RS Stock No. 169-0082
Mfr. Part No.SI7006-A20-IM
$2.49
Each (On a Tape of 100)
units
Temperature & Humidity Digital Serial-I2C ±1 °C, ±5 %RH Surface Mount 6 -40 °C -40 → +125 °C +125 °C 1.9 V 3.6 V DFN 3mm 0.75mm
RS Stock No. 169-0093
Mfr. Part No.SI7053-A20-IM
$2.42
Each (In a Tube of 100)
units
Temperature Digital Serial-I2C ±0.3°C Surface Mount 6 -40 °C -40 → +125 °C +125 °C 1.9 V 3.6 V DFN 3mm 0.8mm
RS Stock No. 865-2274
Mfr. Part No.Si7006-A20-IM
$2.77
Each (In a Pack of 5)
units
Temperature & Humidity Digital Serial-I2C ±1 °C, ±5 %RH Surface Mount 6 -40 °C -40 → +125 °C +125 °C 1.9 V 3.6 V DFN 3mm 0.75mm
RS Stock No. 169-0190
Mfr. Part No.SI7034-A10-IM
$4.964
Each (On a Tape of 75)
units
Temperature & Humidity Digital Serial-I2C ±0.4 °C, ±4 % Surface Mount 6 -40 °C -40 → +125 °C +125 °C 1.7 V 2 V QFN 2mm 0.8mm
RS Stock No. 169-0083
Mfr. Part No.SI7006-A20-IM1
$2.74
Each (On a Tape of 100)
units
Temperature & Humidity Digital Serial-I2C ±1 °C, ±5 %RH Surface Mount 6 -40 °C -40 → +125 °C +125 °C 1.9 V 3.6 V DFN 3mm 0.75mm
RS Stock No. 873-2266
Mfr. Part No.Si7034-A10-IM
$3.335
Each (In a Pack of 2)
units
Temperature & Humidity Digital Serial-I2C ±0.4 °C, ±4 % Surface Mount 6 -40 °C -40 → +125 °C +125 °C 1.7 V 2 V QFN 2mm 0.8mm
RS Stock No. 865-2283
Mfr. Part No.Si7006-A20-IM1
$3.233
Each (In a Pack of 3)
units
Temperature & Humidity Digital Serial-I2C ±1 °C, ±5 %RH Surface Mount 6 -40 °C -40 → +125 °C +125 °C 1.9 V 3.6 V DFN 3mm 0.75mm
RS Stock No. 865-2325
Mfr. Part No.Si7021-A20-IM1
$5.29
Each (In a Pack of 3)
units
Temperature & Humidity Digital Serial-I2C ±0.4 °C, ±3 %RH Surface Mount 6 -40 °C -40 → +125 °C +125 °C 1.9 V 3.6 V DFN 3mm 0.75mm
RS Stock No. 169-0088
Mfr. Part No.SI7021-A20-IM1
$6.865
Each (On a Tape of 100)
units
Temperature & Humidity Digital Serial-I2C ±0.4 °C, ±3 %RH Surface Mount 6 -40 °C -40 → +125 °C +125 °C 1.9 V 3.6 V DFN 3mm 0.75mm
RS Stock No. 865-2292
Mfr. Part No.Si7013-A20-GM1
$5.29
Each (In a Pack of 3)
units
Temperature & Humidity Digital Serial-I2C ±0.4 °C, ±3 %RH Surface Mount 10 -40 °C -40 → +85 °C +85 °C 1.9 V 3.6 V DFN 3mm 0.75mm
RS Stock No. 173-2750
Mfr. Part No.SI7013-A20-GM1
$6.865
Each (On a Tape of 100)
units
Temperature & Humidity Digital Serial-I2C ±0.4 °C, ±3 %RH Surface Mount 10 -40 °C -40 → +85 °C +85 °C 1.9 V 3.6 V DFN 3mm 0.75mm
RS Stock No. 865-2299
Mfr. Part No.Si7013-A20-GM
$4.617
Each (In a Pack of 3)
units
Temperature & Humidity Digital Serial-I2C ±0.4 °C, ±3 %RH Surface Mount 10 -40 °C -40 → +85 °C +85 °C 1.9 V 3.6 V DFN 3mm 0.75mm
RS Stock No. 169-0084
Mfr. Part No.SI7013-A20-GM
$6.251
Each (On a Tape of 100)
units
Temperature & Humidity Digital Serial-I2C ±0.4 °C, ±3 %RH Surface Mount 10 -40 °C -40 → +85 °C +85 °C 1.9 V 3.6 V DFN 3mm 0.75mm
RS Stock No. 137-1388
Mfr. Part No.Si7058-A10-IM
$1.89
Each (In a Pack of 4)
units
Temperature Voltage I2C ±0.5°C Surface Mount 6 -40 °C -40 → +125 °C +125 °C 1.67 V 1.98 V QFN 2mm 0.8mm
RS Stock No. 169-0089
Mfr. Part No.SI7021-A20-GM1
$6.558
Each (On a Tape of 100)
units
Temperature & Humidity Digital Serial-I2C ±0.4 °C, ±3 %RH Surface Mount 6 -40 °C -40 → +85 °C +85 °C 1.9 V 3.6 V DFN 3mm 0.75mm
RS Stock No. 865-2407
Mfr. Part No.Si7055-A20-IM
$1.67
Each (In a Pack of 10)
units
Temperature Digital Serial-I2C ±0.5°C Surface Mount 6 -40 °C -40 → +125 °C +125 °C 1.9 V 3.6 V DFN 3mm 0.8mm
RS Stock No. 865-2328
Mfr. Part No.Si7021-A20-GM1
$4.84
Each (In a Pack of 3)
units
Temperature & Humidity Digital Serial-I2C ±0.4 °C, ±3 %RH Surface Mount 6 -40 °C -40 → +85 °C +85 °C 1.9 V 3.6 V DFN 3mm 0.75mm
RS Stock No. 865-2319
Mfr. Part No.Si7021-A20-GM
$4.58
Each (In a Pack of 3)
units
Temperature & Humidity Digital Serial-I2C ±0.4 °C, ±3 %RH Surface Mount 6 -40 °C -40 → +85 °C +85 °C 1.9 V 3.6 V DFN 3mm 0.75mm
RS Stock No. 168-9965
Mfr. Part No.SI7005-B-GM
$12.63
Each (In a Tube of 75)
units
Temperature & Humidity Digital Serial-I2C ±1 °C, ±4.5 %RH Surface Mount 24 -40 °C -40 → +85 °C +85 °C 2.1 V 3.6 V QFN 4mm 0.95mm