Temperature Sensors

Onlinecomponents.com stocks more than 603 Temperature Sensors parts from 26 manufacturers, covering applications across Temperature & Humidity, Temperature Transducers, Thermistors & RTDs, Thermocouples, Thermostats. Featured suppliers include Microchip Technology, Honeywell, KEMET Electronics, Molex / Waldom, White Rodgers / Emerson, Amphenol Advanced Sensors/Telaire and many more, with authorized distribution, datasheets, and tiered pricing on every part. Browse Temperature Sensors by taxonomies — Temperature & Humidity (45), Temperature Transducers (223), Thermistors & RTDs (150), Thermocouples (21), Thermostats (164) — or refine results using the supplier, availability, RoHS, and part-status filters on the left. All Temperature Sensors listings include real-time inventory, RoHS status, and lead-time information; request a quote on any restricted or low-availability item directly from its product page.

Temperature sensors measure, monitor, and regulate heat in systems across industries. They deliver the thermal data you need to protect equipment, optimize performance, and keep operations safe in both everyday and high-demand settings.

At Online Components, you'll find U.S.-based inventory, a verified supply chain, and fast domestic shipping. Our website covers surface-mount packages, probe-style sensors, analog and digital outputs, and extended temperature ranges so that you can match components to industrial, commercial, or embedded projects.

How to Choose the Right Temperature Sensors

Start by understanding your temperature range and accuracy needs. High-precision systems call for tight tolerances. More general applications work fine with standard accuracy. Decide whether an analog or a digital sensor better fits your circuit design. Analog outputs keep things simple. Digital interfaces connect smoothly with microcontrollers. Then look at physical configuration and mounting style. Your form factor has to work with the mechanical and environmental constraints you're dealing with. Get these factors sorted early, and you'll have consistent performance throughout the project.

Popular Applications for Temperature Sensors

Engineers, technicians, and production teams use temperature sensors for dependable thermal monitoring. In industrial automation, the sensors prevent motors, machinery, and power equipment from overheating. Consumer electronics use compact thermal components to monitor battery temperature, safeguard circuits, and maintain device performance.

Automotive and transportation applications support engine management, airflow systems, and safety features. HVAC systems rely on accurate thermal feedback to achieve energy efficiency and environmental comfort. All of these rely on stable, precise measurements that extend equipment life and improve overall system performance.

Why Buy Temperature Sensors from Online Components?

Online Components gives you access to authorized, high-grade temperature sensors backed by a transparent supply chain. Our U.S.-based inventory means you receive components quickly, reducing downtime and keeping production teams on schedule. Competitive pricing, low minimum order quantities, and straightforward online ordering make sourcing simple and cost-effective.

If you need help reviewing specs or selecting the best sensor for your project, our support team is responsive. When you're ready to source dependable thermal monitoring components, buy your temperature sensors from Online Components.

Temperature Sensors: What You Need to Know

What temperature ranges do temperature sensors typically support?

Temperature sensors cover a wide span, from extreme cold to high-heat industrial conditions. Check the specified limits to confirm compatibility with your environment.

How does accuracy affect a temperature sensor's performance?

Accuracy shows how closely the device measures actual temperature. Applications involving safety, process control, or precision equipment usually need higher accuracy for optimal operation.

Should I choose an analog or digital temperature sensor?

Analog sensors integrate easily and work well in basic circuits. Digital sensors communicate directly with microcontrollers and often provide more stable data.

What mounting styles are available for temperature sensors?

Common options include surface-mount, through-hole, and probe-style designs. Pick the right style for proper fit, stability, and protection within your system.

How can I assess long-term reliability?

Look at operating range, stability, drift characteristics, and packaging durability. These factors tell you whether the component will hold up throughout its life cycle.

See More
Featured Related Products

Microchip Technology MCP9800A0T-M/OT - Temperature Digital Serial (2-Wire, I2C) - Automotive - ± 0....

Microchip Technology

Temperature Digital Serial (2-Wire, I2C) - Automotive - ± 0.5°C - -55 °C - +125 °C - SOT-23 - 5 Pins.

  • In Stock: 5820

    Immediately


  • 250
    $0.959
  • 500
    $0.950
  • 1,000
    $0.938
See More

Honeywell HIH6131-021-001 - PCB Mount Temp/Humidiy Sensor - HIH6120/6121 Series - SMT - ...

Honeywell

PCB Mount Temp/Humidiy Sensor - HIH6120/6121 Series - SMT - ±4 %RH TEB - Digital I2C - Hydrophobic filter

  • In Stock: 2497

    Immediately


  • 10
    $85.53
  • 50
    $85.32
  • 100
    $85.10
See More

Amphenol Advanced Sensors/Telaire CC2D25-SIP - Humidity and Temperature Sensor - 0 to 100% RH - 14b I2C Out...

Amphenol Advanced Sensors/Telaire

Humidity and Temperature Sensor - 0 to 100% RH - 14b I2C Output - ±2% RH Accuracy - 7s Response Time - Update Mod ...

  • In Stock: 130

    Immediately


  • 10
    $17.01
  • 25
    $16.97
  • 50
    $12.73
See More

Amphenol Advanced Sensors/Telaire T9602-3-D - Humidity and Temperature Sensor - 0 to 95% RH - 14b I2C Outp...

Amphenol Advanced Sensors/Telaire

Humidity and Temperature Sensor - 0 to 95% RH - 14b I2C Output - ±2% RH Accuracy - 29s Response Time - 3.3V Suppl ...

  • In Stock: 66

    Immediately


  • 1
    $40.79
  • 5
    $40.38
  • 10
    $39.98
See More

Microchip Technology TC74A5-5.0VCTTR - Temp Sensor Digital Serial (2-Wire, I2C) 5-Pin SOT-23 T/R

Microchip Technology

Temp Sensor Digital Serial (2-Wire, I2C) 5-Pin SOT-23 T/R

  • On Order: 3000

    Ships 11/12/26


  • 250
    $1.594
  • 500
    $1.590
  • 750
    $1.586
See More

onsemi NVT211CMTR2G - ±1°C Digital Temperature Sensor with Series Resistance Cance...

onsemi

±1°C Digital Temperature Sensor with Series Resistance Cancellation Local and Remote thermal sensor with Therm an ...

  • MANUFACTURER STOCK 3000

    Ships 10/2/26


  • 750
    $14.73
  • 1,500
    $7.52
  • 2,250
    $5.12
See More

Omron Automation E52CA1DYM61M - K - Type Temperature Sensor - 0 to 400°C - Grounded - Expose...

Omron Automation

K - Type Temperature Sensor - 0 to 400°C - Grounded - Exposed Lead Wires - M6 screw.

  • MANUFACTURER STOCK 113

    Ships 10/5/26


  • 1 +
    $163.00
See More

Amphenol Advanced Sensors/Telaire CC2D35S-SIP - Humidity and Temperature Sensor - 0 to 100% RH - 14b I2C Out...

Amphenol Advanced Sensors/Telaire

Humidity and Temperature Sensor - 0 to 100% RH - 14b I2C Output - ±3% RH Accuracy - 7s Response Time - Sleep Mode ...

  • 2 Weeks

  • 25
    $14.48
  • 50
    $10.86
  • 75
    $10.14
See More

Microchip Technology TC620CCOA - Temp Sensor Analog 8-Pin SOIC N Tube

Microchip Technology

Temp Sensor Analog 8-Pin SOIC N Tube

  • 5 Weeks

  • 100
    $1.44
  • 300
    $1.38
  • 500
    $1.36
See More

Microchip Technology TCN75-5.0MUA713 - Temp Sensor Digital Serial (2-Wire, I2C) 8-Pin MSOP T/R

Microchip Technology

Temp Sensor Digital Serial (2-Wire, I2C) 8-Pin MSOP T/R

  • 5 Weeks

  • 625
    $3.67
  • 1,250
    $1.94
  • 1,875
    $1.37
See More

Join the circuit, keeping you connected to OnlineComponents.com and beyond!