10K Temperature Sensor (Thermistor) - Color may Vary
10K NTC Thermistor Temperature Sensor
Overview
NTC (Negative Temperature Coefficient) thermistor
Resistance changes with temperature variation
Widely used for temperature sensing & control
Compatible with Arduino, ESP32, Raspberry Pi
Working Principle
Thermistor resistance decreases as temperature increases
Forms a voltage divider circuit with a fixed resistor
Output voltage changes based on temperature
Microcontroller converts voltage temperature value
Non-linear but highly sensitive temperature sensing
Key Specifications
Nominal Resistance: 10k at 25C
Temperature Range: -40C to 125C
Tolerance: 1% to 5%
Beta Value (B25/85): ~3950K (typical)
Response Time: Fast (depends on packaging)
Output Type: Analog (via voltage divider)
Basic Connection
One leg VCC (via resistor)
One leg GND
Middle point Analog input (ADC)
Requires external resistor (10k typical)
Features
High sensitivity to temperature changes
Low cost and widely available
Compact and lightweight
Fast remperature monitoring
HVAC systems
Battery temperature sensing
Home appliances
Industrial control systems
3D printers & electronics cooling
Usage Tips
Use Steinhart-Hart equation or lookup table for accuracy
Calibrate for precise measurements
Avoid self-heating (limit current)
Place properly for accurate environmental sensing
Advantages
Very low cost
High sensitivity
Simple interface
Reliable for general-purpose use
Limitations
Non-linear response (needs conversion math)
Lower accuracy than digital sensors
Affecte/p
Summary
A 10k NTC thermistor for temperature sensing
Resistance decreases with temperature increase
Outputs analog signal via voltage divider
Ideal for low-cost and general temperature measurement applications