Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Part Number | LM35DZ |
| Sensor Type | Analog Temperature Sensor |
| Output Scale Factor | 10.0 mV/°C |
| Accuracy at 25°C | ±0.5°C |
| Operating Temperature Range | -55°C to +150°C |
| Package Type | TO-92 Through-Hole |
| Supply Voltage | 4.0V to 30V |
| Supply Current | 60 µA (Typical) |
| Self-Heating | < 0.1°C in still air |
| Linearity | ±0.25°C (Typical) |
Anonymous
Mar 29, 2026
Rating: 5/5
Great for learning electronics
Bought these for a university thermodynamics lab. They are robust and the data matches our reference thermometer closely.
Anonymous
Mar 18, 2026
Rating: 5/5
Perfect for Arduino projects
These sensors work exactly as expected. The linear output makes calibration with my Arduino very straightforward. Great value for the price.
Anonymous
Mar 12, 2026
Rating: 5/5
Bulk buy success
Ordered 50 units for our community workshop. All of them tested functional out of the box. Highly recommended for bulk needs.
Anonymous
Mar 05, 2026
Rating: 4/5
Solid component
Works well for monitoring CPU heatsink temperatures. Just remember you need an ADC to read the analog voltage output.
Anonymous
Mar 04, 2026
Rating: 4/5
Good quality, slow shipping
The LM35 units are genuine and function correctly within the specified tolerance. My only complaint is that shipping took a bit longer than anticipated.
Anonymous
Mar 03, 2026
Rating: 5/5
Reliable precision
I used these for a home weather station project. They provide stable readings and the TO-92 package is easy to solder onto perfboard.
Q: Can this measure negative temperatures?
A: The LM35DZ is rated for -55°C to +150°C. However, measuring negative temperatures requires a dual power supply or a specific biasing circuit configuration.
Q: Is the pinout standard for TO-92 packages?
A: When viewing the flat side with leads pointing down, the pins from left to right are: VCC, Output, and Ground.
Q: Can I use this with a 3.3V microcontroller?
A: Yes, the LM35 operates from 4V to 30V, but it can often work down to 3.3V depending on the load. For best results, ensure your supply voltage is stable.
Q: What is the difference between LM35DZ and LM35AZ?
A: The main difference is accuracy. The 'D' grade (LM35DZ) has an accuracy of ±0.5°C at 25°C, while the 'A' grade offers higher precision.
Q: Does this sensor require external calibration?
A: No, the LM35DZ is factory-calibrated. Its output is directly proportional to Celsius temperature with a scale factor of 10mV/°C.
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