2 x B3950 100k Ohm NTC Thermistor 1% Temperature Sensor for 3D Printer Reprap UK

£2.69

21 in stock

Description

High quality 100k Ohm NTC thermistors with a precise B value of 3950 ±1%, perfect for accurate temperature measurement of extruders and heated beds in 3D printers and RepRap-style machines like Rostock, Prusa Mendel, and Huxley.

Reliable and durable, these thermistors offer fast response and high accuracy in harsh printing environments.

  • Product: 100k Ohm NTC Thermistor
  • Quantity: 2 Pieces
  • Resistance: 100k Ohm ±1% at 25°C
  • B Value: 3950 ±1% (calculated between 25°C and 50°C)
  • Head Diameter: 1.2 mm
  • Lead Length: 32 ±5 mm
  • Accuracy: ±1%
  • Operating Temperature: -50°C to +260°C
  • Thermal Time Constant (τ): 10–17 seconds (still air)
  • Thermal Dissipation Constant (δ): 1.1–1.6 mW/°C (still air)

Key Features:

  • High precision 100k Ohm NTC thermistor for accurate temperature sensing
  • Ideal for extruders and heated beds in 3D printers and RepRap models
  • Durable and stable over a wide temperature range
  • Fast thermal response for precise temperature control
  • Compact 1.2mm head diameter fits tight spaces

What’s Included:

  • 2 x 100k Ohm B3950 NTC Thermistors with leads

Great For:

  • 3D printer temperature monitoring and control
  • RepRap, Rostock, Prusa Mendel, Huxley machines
  • DIY electronics and temperature sensing projects
  • Replacement thermistors for extruders and heated beds

Usage Tips:

  • Connect to thermistor input on your 3D printer controller board
  • Ensure good thermal contact for accurate readings
  • Avoid mechanical strain on the leads to prolong sensor life

Additional information

Brand

Unbranded/Generic

MPN

NTC 100k Thermistor

EAN

n/a

Condition

New