Product Description
The LM35 TO-92-3 Board Mount Temperature Sensor is a widely used linear analog temperature sensor that outputs a voltage proportional to the measured temperature (typically 10 mV per °C). Unlike thermistors, the LM35 provides calibrated temperature readings directly without the need for external calibration or complex conversion formulas.
Its TO-92 package with three leads makes it easy to mount on boards or breadboards and connect directly to analog input pins of microcontrollers like Arduino, ESP32, STM32, or Raspberry Pi (via ADC). With a range covering typical ambient conditions, this sensor is ideal for environmental monitoring, thermostat systems, embedded thermal control, data logging, and other DIY temperature sensing applications.
Key Features
Analog voltage output proportional to temperature
Measures from −55°C to +150°C (approx.)
High accuracy and linear response
No external calibration required
Works with 3.3V – 5V systems
Simple 3-pin (TO-92) package
Package Includes
1 × LM35 TO-92 Temperature Sensor
Technical Specifications
Parameter | Specification |
Sensor Type | Analog Temperature Sensor |
Model | LM35 (TO-92 package) |
Output | Analog voltage (10 mV/°C) |
Temperature Range | −55°C to +150°C |
Supply Voltage | 4V – 20V (typical 5V) |
Accuracy | ±0.5°C (at 25°C) |
Response | Linear |
Interface | Analog ADC input |
Operating Temp. | −55°C to +150°C |
Applications
Ambient temperature sensing
HVAC & thermostat systems
Environmental monitoring
Embedded thermal control
Data logging systems
DIY electronics temperature projects