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庫存編號 786-5554
製造零件編號SHT21
BrandSensirion
TWD277.00
單位
Temperature & Humidity Digital Serial-I2C ±0.3 °C, ±2%RH Surface Mount 6 -40 °C -40 → +125 °C +125 °C 2.1 V 3.6 V DFN 3mm 1.1mm
RS庫存編號 169-1857
製造零件編號SHT21
BrandSensirion
TWD172.30
個 (在毎卷:400)
單位
Temperature & Humidity Digital Serial-I2C ±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庫存編號 738-7048
製造零件編號MCP9700AT-E/TT
BrandMicrochip
TWD11.80
/個 (每包:10個)
單位
Temperature Voltage Analogue ±2°C Surface Mount 3 -40 °C -40 → +125 °C +125 °C 2.3 V 5.5 V SOT-23 3.05mm 1.02mm
RS庫存編號 889-5459
製造零件編號MCP9700AT-E/TT
BrandMicrochip
TWD9.40
個 (在毎卷:3000)
單位
Temperature Voltage Analogue ±2°C Surface Mount 3 -40 °C -40 to +125 °C +125 °C 2.3 V 5.5 V SOT-23 3.05mm 1.02mm
RS庫存編號 738-7051
製造零件編號MCP9701A-E/TO
BrandMicrochip
TWD11.80
/個 (每包:10個)
單位
Temperature Voltage Analogue ±1°C Through Hole 3 -10 °C -40 → +125 °C +125 °C 3.1 V 5.5 V TO-92 5.21mm 5.33mm
RS庫存編號 912-2856
製造零件編號MCP9701A-E/TO
BrandMicrochip
TWD9.40
個 (以毎袋:1000)
單位
Temperature Voltage Analogue ±1°C Through Hole 3 -10 °C -40 to +125 °C +125 °C 3.1 V 5.5 V TO-92 5.21mm 5.33mm
RS庫存編號 169-1862
製造零件編號SHT31-ARP-B
BrandSensirion
TWD85.00
個 (在毎卷:2500)
單位
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庫存編號 876-5067
製造零件編號SHT31-ARP-B
BrandSensirion
TWD183.00
單位
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庫存編號 146-2585
製造零件編號SHT25
BrandSensirion
TWD289.70
個 (在毎卷:400)
單位
Temperature & Humidity Digital Serial-I2C ±1.8%RH Surface Mount 6 -40 °C -40 to +125 °C +125 °C 2.1 V 3.6 V DFN 3mm 1.1mm
RS庫存編號 727-6226
製造零件編號SHT25
BrandSensirion
TWD497.00
單位
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庫存編號 866-0247
製造零件編號LM35DT/NOPB
TWD108.50
毎管:45 個
單位
Temperature Voltage Analogue ±0.9°C Through Hole 3 0 °C 0 → +100 °C +100 °C 4 V 30 V TO-220 15.5mm 4.7mm
RS庫存編號 535-9458
製造零件編號LM35DT/NOPB
TWD120.60
/個 (每包:5個)
單位
Temperature Voltage Analogue ±0.6°C Through Hole 3 0 °C 0 → +100 °C +100 °C 4 V 30 V TO-220 10.16mm 8.89mm
RS庫存編號 651-2846
製造零件編號LM45CIM3/NOPB
TWD75.40
/個 (每包:5個)
單位
Temperature Voltage Analogue ±3°C Surface Mount 3 -40 °C -40 → +125 °C +125 °C 4 V 10 V SOT-23 2.92mm 0.93mm
RS庫存編號 121-9006
製造零件編號LM45CIM3/NOPB
TWD52.10
個 (在毎卷:1000)
單位
Temperature Voltage Analogue ±3°C Surface Mount 3 -40 °C -40 to +125 °C +125 °C 4 V 10 V SOT-23 2.92mm 0.93mm
RS庫存編號 161-4580
製造零件編號HPP805A031
TWD1,905.70
個 (以毎盒:150)
單位
Humidity Sensor Voltage Analogue ±5%RH Through Hole 3 -40 °C -40 to +60 °C +60 °C 3 V 10 V - 11.4mm 59.5mm
RS庫存編號 893-7247
製造零件編號HPP805A031
TWD2,629.00
單位
Humidity Sensor Voltage Analogue ±5%RH Through Hole 3 -40 °C -40 to +60 °C +60 °C 3 V 10 V - 11.4mm 59.5mm
RS庫存編號 165-3321
製造零件編號MCP9701AT-E/TT
BrandMicrochip
TWD9.40
個 (在毎卷:3000)
單位
Temperature Voltage Analogue ±2°C Surface Mount 3 -40 °C -40 to +125 °C +125 °C 5.5 V 3.1 V SOT-23 3.05mm 1.02mm
RS庫存編號 166-0935
製造零件編號HTS221TR
TWD89.60
個 (在毎卷:8000)
單位
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庫存編號 893-7146
製造零件編號HPP845E031R5
TWD175.00
單位
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庫存編號 548-4295
製造零件編號HIH-4000-003
BrandHoneywell
TWD1,305.00
單位
Humidity Sensor Analogue Analogue ±3.5%RH Through Hole 3 -40 °C -40 → +85 °C +85 °C 4 V dc 5.8 V dc SIP 21.66mm 2.03mm