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 169-1861
製造零件編號SHT21S
BrandSensirion
HK$34.814
個 (在毎卷:400)
單位
Temperature & Humidity Analogue SDM ±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 165-5485
製造零件編號LM235Z
HK$1.72
個 (以毎袋:1000)
單位
Temperature Voltage Analogue ±1°C Through Hole 3 -40 °C -40 to +125 °C +125 °C 5 V 40 V TO-92 - 5.33mm
RS庫存編號 709-2924
製造零件編號AD590JH
HK$174.16
單位
Temperature Current - ±5°C Through Hole 3 -55 °C -55 → +150 °C +150 °C 4 V 30 V TO-52 5.84mm 3.81mm
RS庫存編號 169-9922
製造零件編號HYT939
HK$355.55
Each (In a Tray of 50)
單位
Temperature & Humidity Digital Serial-I2C ±0.2 K, ±1.8% Through Hole 2 -40 °C -40 to +125 °C +125 °C 2.7 V 5.5 V - 9.8mm 5.2mm
RS庫存編號 811-5888
製造零件編號LMT89DCKT
HK$3.76
Each (On a Tape of 25)
單位
Temperature Voltage Analogue ±2.5°C Surface Mount 5 -55 °C -55 → +130 °C +130 °C 2.7 V 5.5 V SC-70 2.15mm 1mm
RS庫存編號 770-9892
製造零件編號MCP9808-E/MS
BrandMicrochip
HK$9.96
/個 (每包:4個)
單位
Temperature Digital Serial-I2C, SMBus ±1°C Surface Mount 8 -40 °C -40 → +125 °C +125 °C 2.7 V 5.5 V MSOP 3mm 0.95mm
RS庫存編號 811-5595
製造零件編號LM35DZ/LFT1
HK$14.477
/個 (每包:10個)
單位
Temperature Voltage Analogue ±2°C Through Hole 3 0 °C 0 → 100 °C +100 °C 4 V 30 V TO-92 5.21mm 5.34mm
RS庫存編號 170-4381
製造零件編號HPP809A031
HK$529.151
個 (以毎盒:100)
單位
Temperature & Humidity Voltage Analogue ±5%RH Through Hole - -40 °C -40 to +85 °C +85 °C 4.75 V 5.25 V - 11.6mm 76.3mm
RS庫存編號 893-7373
製造零件編號HPP809A031
HK$729.86
單位
Temperature & Humidity Voltage Analogue ±5%RH Through Hole - -40 °C -40 to +85 °C +85 °C 4.75 V 5.25 V - 11.6mm 76.3mm
RS庫存編號 190-1390
製造零件編號MAX6639AEE+
HK$35.34
/個 (每包:5個)
單位
Temperature PWM SMBus ±1°C Surface Mount 16 -40 °C -40 to +125 °C +125 °C 3 V 5.5 V QSOP 4.98mm 1.65mm
RS庫存編號 203-4685
製造零件編號MAX31875R1TZS+T
HK$9.96
個 (在毎卷:2500)
單位
Temperature Voltage - - Surface Mount 4 - -50 to +150 °C - - - WLP - -
RS庫存編號 203-6949
製造零件編號HIH8130-000-001
BrandHoneywell
HK$78.80
單位
Temperature & Humidity Digital Serial-SPI ±2% Surface Mount 8 - -40 to 125 °C - - - SOIC - -
RS庫存編號 806-4942
製造零件編號NCT75DMR2G
HK$4.367
/個 (每包:25個)
單位
Temperature Digital Serial-I2C, SMBus ±1°C Surface Mount 8 -55 °C -55 → +125 °C +125 °C 3 V 5.5 V - 3.1mm 0.95mm
RS庫存編號 203-6940
製造零件編號HIH6030-000-001
BrandHoneywell
HK$71.39
單位
Temperature & Humidity Digital Serial-SPI ±4.5% Surface Mount 8 - -40 to 100 °C - - - SOIC - -
RS庫存編號 190-4814
製造零件編號MAX6639FAEE+
HK$19.652
毎管:100 個
單位
Temperature Open Drain Serial-2 Wire 1°C Surface Mount 16 -40 °C -40 to +125 °C +125 °C 3 V 3.6 V QSOP 4.98mm 1.49mm
RS庫存編號 203-6370
製造零件編號HIH6021-021-001
BrandHoneywell
HK$52.973
個 (在毎卷:1000)
單位
Temperature & Humidity Digital I2C ±4.5% - 4 - -40 to 100 °C - - - SIP - -
RS庫存編號 193-8420
製造零件編號MAX30208CLB+T
HK$12.339
個 (在毎卷:2500)
單位
Temperature Digital I2C, Serial-2 Wire ±0.1°C Surface Mount 10 0 °C 0 to +70 °C +70 °C 1.7 V 3.6 V LGA 2.1mm 0.85mm
RS庫存編號 159-7431
製造零件編號TC620HEOA
BrandMicrochip
HK$10.228
毎管:100 個
單位
Temperature Driver - ±3°C Surface Mount 8 -40 °C -40 to +85 °C +85 °C 4.5 V 18 V SOIC 5mm 1.5mm
RS庫存編號 121-8021
製造零件編號Tsic 301 TO92
HK$56.78
單位
Temperature Analogue Analogue ±0.3°C Through Hole 3 -50 °C -50 to +150 °C +150 °C 3 V 5.5 V TO-92 4.77mm 4.01mm
RS庫存編號 820-9306
製造零件編號AD7415ARTZ-1500RL7
HK$23.536
/個 (每包:5個)
單位
Temperature Open Drain Serial-I2C ±0.5°C Surface Mount 5 -40 °C -40 → +125 °C +125 °C 2.7 V 5.5 V SOT-23 3mm 1.3mm