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Home / Computer Hardware, Monitors & Peripherals / DS18B20, 18B20, 18E20 Chip Temperature Sensor, Temperature Acquisition TO-92, Brand New Domestic

Attributes

Brand -
Category Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals
Origin -
Model Number DS18B20 / DS18E20
Package Type TO-92
Communication Protocol 1-Wire Digital
Temperature Range -55°C to +125°C
Accuracy ±0.5°C (standard)
Resolution 9 to 12-bit Configurable
Supply Voltage 3.0V to 5.5V DC
Pin Configuration 3-Pin (VDD, Data, GND)
Production Status Domestic New Production
Warranty 30-Day Seller Warranty

5 reviews

A

Anonymous

Mar 26, 2026

Rating: 5/5

Great quality chips

Bought a pack of 5. All of them were recognized immediately by the library. No dead on arrival.

A

Anonymous

Mar 13, 2026

Rating: 5/5

Works flawlessly

Tested these with an Arduino Uno. Readings are stable and match my multimeter thermometer.

A

Anonymous

Mar 10, 2026

Rating: 4/5

Good but remember the resistor

Sensor works well. Just note you need a 4.7k pull-up resistor for the data line, which is not included.

A

Anonymous

Feb 18, 2026

Rating: 5/5

Perfect for ESP32 projects

Using these for a home temperature monitoring system. Very reliable over long wires.

A

Anonymous

Feb 08, 2026

Rating: 5/5

Fast delivery

Arrived quickly and well packaged. Exactly as described in the listing.

5 FAQ

Q: Is this sensor waterproof out of the box?

A: No, this is the bare TO-92 package. You will need to encapsulate it yourself for water resistance.

Q: Can I connect multiple sensors to one pin?

A: Yes, the 1-Wire protocol allows multiple devices on the same data line.

Q: What is the difference between B20 and E20?

A: They are functionally equivalent for most temperature sensing applications.

Q: Do you provide a datasheet?

A: Yes, a downloadable datasheet is available in the product documentation section.

Q: Is this compatible with Raspberry Pi?

A: Yes, it is compatible with Raspberry Pi GPIO using the 1-Wire interface.

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