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 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 200-6132
製造零件編號MS860702BA01-50
HK$67.66
/個 (每包:2個)
單位
- - - - Surface Mount 8 - -40 to 85 °C - - - QFN - -
RS庫存編號 146-8206
製造零件編號G-NIMO-003
HK$10.264
個 (在毎卷:1000)
單位
Temperature Digital I2C ±0.2°C Surface Mount 8 -40 °C -40 to +125 °C +125 °C -0.3 V +16 V SMD 2.5mm 0.75mm
RS庫存編號 189-9561
製造零件編號DS1920-F5+
HK$58.87
單位
Temperature - 1-Wire ±2°C - 2 -55 °C -55 to +100 °C +100 °C - - F5 MicroCan 17.35mm 5.89mm
RS庫存編號 190-4788
製造零件編號DS75U+
HK$16.037
毎管:50 個
單位
Temperature Open Drain Serial-2 Wire ±2°C Surface Mount 8 -55 °C -55 to +125 °C +125 °C 2.7 V 5.5 V μMax 3.1mm 0.95mm
RS庫存編號 197-7267
製造零件編號LM35CZ/NOPB
HK$23.978
個 (以毎盒:1800)
單位
Temperature Voltage Serial ±0.5°C Through Hole 3 - -55°C to 150°C - - - TO-92 - -
RS庫存編號 165-3320
製造零件編號MCP9701AT-E/LT
BrandMicrochip
HK$2.112
個 (在毎卷:3000)
單位
Temperature Voltage Analogue ±1°C Surface Mount 5 -10 °C -10 to +125 °C +125 °C 3.1 V 5.5 V SC-70 2.2mm 1mm
RS庫存編號 203-6360
製造零件編號HIH6030-021-001
BrandHoneywell
HK$38.78
個 (在毎卷:1000)
單位
Temperature & Humidity Digital I2C ±4.5% Surface Mount 8 - -40 to 100 °C - - - SOIC - -
RS庫存編號 534-3475
製造零件編號LM56BIM/NOPB
HK$25.65
單位
Temperature Open Drain - ±2°C Surface Mount 8 -40 °C -40 → +125 °C +125 °C 2.7 V 10 V SOIC 4.9mm 1.45mm
RS庫存編號 639-4020
製造零件編號LM73CIMK-0/NOPB
HK$20.364
/個 (每包:5個)
單位
Temperature Digital Serial-I2C, SMBus ±2.5°C Surface Mount 6 -40 °C -40 → +150 °C +150 °C 2.7 V 5.5 V TSOT 2.97mm 0.87mm
RS庫存編號 203-6414
製造零件編號HIH7120-021-001
BrandHoneywell
HK$40.809
個 (在毎卷:1000)
單位
Temperature & Humidity Digital Serial-I2C ±3% Through Hole 4 - -40 to 100 °C - - - SIP - -
RS庫存編號 662-3870
製造零件編號TMP121AIDBVT
HK$27.584
/個 (每包:5個)
單位
Temperature Digital Serial-Microwire, Serial-SPI ±1.5°C Surface Mount 6 -55 °C -55 → +150 °C +150 °C 2.7 V 5.5 V SOT-23 2.9mm 1.15mm
RS庫存編號 774-7850
製造零件編號TC72-3.3MUA
BrandMicrochip
HK$8.106
個 (以毎袋:5)
單位
Temperature Digital SPI ±5°C Surface Mount 8 -55 °C -55 → +125 °C +125 °C 2.7 V 5.5 V MSOP 3mm 0.95mm
RS庫存編號 193-5550
製造零件編號MCP96L01T-E/MX
BrandMicrochip
HK$33.238
個 (在毎卷:3300)
單位
Temperature - - - Surface Mount 20 - - - - - MQFN - -
RS庫存編號 190-8110
製造零件編號DS1631Z+
HK$39.398
/個 (每包:5個)
單位
Temperature Digital Serial-2 Wire ±0.5°C Surface Mount 8 -55 °C -55 to +125 °C +125 °C 2.7 V 5.5 V SO 5mm 1.5mm
RS庫存編號 738-7058
製造零件編號MCP9701AT-E/TT
BrandMicrochip
HK$2.73
/個 (每包:10個)
單位
Temperature Voltage Analogue ±2°C Surface Mount 3 -40 °C -40 → +125 °C +125 °C 5.5 V 3.1 V SOT-23 3.05mm 1.02mm
RS庫存編號 412-973
製造零件編號TMP36FSZ
HK$18.952
/個 (每包:5個)
單位
Temperature Emitter Follower Voltage ±2°C Surface Mount 8 -40 °C -40 → +125 °C +125 °C 2.7 V 5.5 V SOIC 5mm 1.5mm
RS庫存編號 190-4811
製造零件編號MAX6634MSA+
HK$17.448
毎管:100 個
單位
Temperature Open Drain Serial-I2C, SMBus ±2.5°C Surface Mount 8 -55 °C -55 to +150 °C +150 °C 3 V 5.5 V SO 5mm 1.5mm
RS庫存編號 709-1860
製造零件編號TMP37GRTZ-REEL7
HK$14.018
/個 (每包:5個)
單位
Temperature Emitter Follower Voltage ±3°C Surface Mount 5 +5 °C +5 → +100 °C +100 °C 2.7 V 5.5 V SOT-23 2.9mm 1.15mm
RS庫存編號 168-5053
製造零件編號TMP107BID
HK$24.771
毎管:75 個
單位
Temperature Digital SMAART Wire ±0.7°C Surface Mount 8 -55 °C -55 to +125 °C +125 °C 1.7 V 5.5 V SOIC 5mm 1.5mm