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 820-9505
製造零件編號TMP06BKSZ-500RL7
HK$28.47
/個 (每包:5個)
單位
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庫存編號 190-8067
製造零件編號DS1722S+T&R
HK$22.618
/個 (每包:5個)
單位
Temperature Digital Serial-3 Wire, SPI ±2°C Surface Mount 8 -55 °C -55 to +125 °C +125 °C 1.8 (Digital) V, 2.65 (Analogue) V 5.5 (Analogue) V, 5.5 (Digital) V SO 5mm 1.5mm
RS庫存編號 195-0670
製造零件編號SHTC3
BrandSensirion
HK$21.506
/個 (每包:5個)
單位
- - I2C ±2%RH Surface Mount - -40 °C -40 to +125 °C +125 °C 1.62 V 3.6 V ESD - -
RS庫存編號 824-6548
製造零件編號TC74A5-3.3VCTTR
BrandMicrochip
HK$7.663
/個 (每包:10個)
單位
Temperature Digital Serial-I2C, SMBus ±3°C Surface Mount 5 -40 °C -40 → +125 °C +125 °C 2.7 V 5.5 V SOT-23 3mm 1.3mm
RS庫存編號 709-2772
製造零件編號TMP37FT9Z
HK$14.024
/個 (每包:5個)
單位
Temperature Emitter Follower Voltage ±1°C Through Hole 3 +5 °C +5 → +100 °C +100 °C 2.7 V 5.5 V TO-92 5.21mm 5.33mm
RS庫存編號 121-8002
製造零件編號MK33-W
HK$425.83
單位
- - - - Through Hole 2 +40 °C 40 to +190 °C +190 °C - 12 V - 10.8mm 0.8mm
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 121-8001
製造零件編號LinPiccoBasic A420-G
HK$619.20
單位
- Analogue Analogue <±3 %, <±5% Surface Mount - -25 °C -25 to +85 °C +85 °C 8 V 10 V - 47mm 2.8mm
RS庫存編號 121-8853
製造零件編號LM61CIM3/NOPB
HK$3.842
個 (在毎卷:1000)
單位
Temperature Voltage Analogue ±4°C Surface Mount 3 -30 °C -30 to +100 °C +100 °C 2.7 V 10 V SOT-23 2.92mm 0.93mm
RS庫存編號 203-6946
製造零件編號HIH8121-021-001
BrandHoneywell
HK$99.16
單位
Temperature & Humidity Digital Serial-I2C ±2% Through Hole 4 - -40 to 125 °C - - - SIP - -
RS庫存編號 538-8591
製造零件編號AD7414ARMZ-0
HK$27.058
/個 (每包:5個)
單位
Temperature Open Drain Serial-I2C ±2°C Surface Mount 8 -40 °C -40 → +125 °C +125 °C 2.7 V 5.5 V MSOP 3mm 0.85mm
RS庫存編號 203-6410
製造零件編號HIH6020-021-001
BrandHoneywell
HK$71.39
單位
- - - ±3.5% Through Hole 3 - -40 to 85 °C - - - SIP - -
RS庫存編號 522-8641
製造零件編號AD590KH
HK$187.82
單位
Temperature Current - ±2.5°C Through Hole 3 -55 °C -55 → +150 °C +150 °C 4 V 30 V TO-52 5.84mm 3.81mm