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 121-8022
製造零件編號Tsic 306 TO92
HK$54.68
單位
Temperature Digital - ±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 912-2904
製造零件編號TCN75AVOA
BrandMicrochip
HK$4.676
毎管:100 個
單位
Temperature Digital Serial-I2C, SMBus ±1°C Surface Mount 8 -55 °C -55 to +125 °C +125 °C 2.7 V 5.5 V SOIC 4.9mm 1.42mm
RS庫存編號 523-8430
製造零件編號AD7416ARZ
HK$25.65
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 SOIC 5mm 1.5mm
RS庫存編號 774-7863
製造零件編號TC74A0-3.3VAT
BrandMicrochip
HK$12.073
個 (以毎袋:4)
單位
Temperature Digital Serial-I2C, SMBus ±3°C Through Hole 5 -40 °C -40 → +125 °C +125 °C 2.7 V 5.5 V TO-220 10.54mm 15.57mm
RS庫存編號 738-6014
製造零件編號TCN75AVOA
BrandMicrochip
HK$6.17
/個 (每包:5個)
單位
Temperature Digital Serial-I2C, SMBus ±1°C Surface Mount 8 -55 °C -55 → +125 °C +125 °C 2.7 V 5.5 V SOIC 4.9mm 1.42mm
RS庫存編號 874-4562
製造零件編號HIH-4000-004
BrandHoneywell
HK$185.30
單位
Humidity Sensor Analogue Analogue ±3.5%RH Through Hole 3 -40 °C -40 to +85 °C +85 °C 4 V 5.8 V SIP 4.17mm 8.59mm
RS庫存編號 169-9924
製造零件編號P14 SMD-G
HK$188.543
Each (In a Tray of 50)
單位
- - - ±1.5% Surface Mount 2 -50 °C -50 to +150 °C +150 °C - 12 V SMD 6.35mm 0.4mm
RS庫存編號 121-8265
製造零件編號LM135H
HK$80.824
個 (以毎盒:500)
單位
Temperature Voltage Analogue ±1°C Through Hole 3 -55 °C -55 to +150 °C +150 °C 2.95 V 2.99 V TO-46 5.44mm 2.67mm
RS庫存編號 169-9938
製造零件編號TSIC 306 TO92
HK$48.19
個 (以毎袋:50)
單位
Temperature Digital - ±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 264-147
製造零件編號LM135H
HK$138.46
單位
Temperature Voltage Analogue ±1°C Through Hole 3 -55 °C -55 → +150 °C +150 °C 2.95 V 2.99 V TO-46 5.44mm 2.67mm
RS庫存編號 866-0247
製造零件編號LM35DT/NOPB
HK$17.191
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 121-7999
製造零件編號HYT939
HK$379.24
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 911-5599
製造零件編號TC74A0-3.3VAT
BrandMicrochip
HK$10.043
毎管:50 個
單位
Temperature Digital Serial-I2C, SMBus ±3°C Through Hole 5 -40 °C -40 to +125 °C +125 °C 2.7 V 5.5 V TO-220 10.54mm 15.57mm
RS庫存編號 535-9458
製造零件編號LM35DT/NOPB
HK$27.692
/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 162-6438
製造零件編號TMP103AYFFT
HK$6.963
個 (在毎卷:250)
單位
Temperature Digital Serial-I2C, SMBus ±3°C Surface Mount 4 -55 °C -55 to +150 °C +150 °C 1.4 V 3.6 V DSBGA 0.79mm 0.33mm
RS庫存編號 709-2750
製造零件編號AD590LH
HK$347.61
單位
Temperature Current - ±1°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 523-0076
製造零件編號AD22100KTZ
HK$49.08
單位
Temperature Analogue Analogue ±0.5°C Through Hole 3 0 °C 0 → +100 °C +100 °C 4 V 6.5 V TO-92 5.21mm 5.33mm
RS庫存編號 166-0935
製造零件編號HTS221TR
HK$13.926
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 121-8003
製造零件編號P14 SMD-G
HK$315.82
單位
- - - ±1.5% Surface Mount 2 -50 °C -50 to +150 °C +150 °C - 12 V SMD 6.35mm 0.4mm
RS庫存編號 110-6598
製造零件編號HTS221TR
HK$30.58
/個 (每包:2個)
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