NTC 3950 100K Thermistor 1M PTFE Wire – CR-10 Anet A8 RepRap
NTC 3950 100K Thermistor 1M PTFE Wire – CR-10 Anet A8 RepRap
NTC 3950 100K Thermistor with 1-Meter PTFE/Teflon Wiring
Keep your 3D printer running at peak accuracy with this high-precision NTC 3950 100K ohm thermistor. Designed as a direct replacement or upgrade component for popular FDM printers — including RepRap, CR-10, Anet A8, TEVO, MK8, and Prusa i3 — this thermistor delivers reliable temperature sensing for both the heated bed and hot end.
The compact 1.25 mm × 2.0 mm glass bead sensor offers a tight 1% resistance tolerance at 25°C, ensuring consistent and stable temperature readings. The included 1-meter lead is insulated with high-temperature PTFE (Teflon) wiring, making it resistant to the elevated temperatures found inside 3D printer enclosures and hot end assemblies. No assembly required — ready to install straight out of the package.
Made in Mainland China.
Key Features
- Type: NTC 3950 thermistor — 100K ohm resistance at 25°C
- Accuracy: ±1% resistance tolerance for precise temperature monitoring
- Bead Size: 1.25 mm × 2.0 mm glass bead — compact for tight spaces
- Wire Insulation: High-temperature PTFE/Teflon — handles heat without degrading
- Wire Length: 1 meter (approx. 39.4 inches)
- No Assembly Required: Pre-wired and ready to install
- Compatible Printers: RepRap, CR-10, Anet A8, TEVO, MK8, Prusa i3, and similar FDM printers
- Applications: Heated print bed, hot end temperature sensing
Package Contents
- 1 × NTC 3950 100K Thermistor with 1-meter PTFE wiring (also available in 5-pack and 10-pack options)
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Frequently Asked Questions
Q: What 3D printers is this NTC 3950 100K thermistor compatible with?
A: This thermistor is compatible with a wide range of popular FDM 3D printers that use a 100K NTC thermistor, including RepRap, Creality CR-10, Anet A8, TEVO, MK8-style hot ends, and Prusa i3. Always check your printer's documentation to confirm the correct thermistor type before installation.
Q: Why is PTFE/Teflon wiring important for a 3D printer thermistor?
A: PTFE (polytetrafluoroethylene), commonly known as Teflon, has excellent high-temperature resistance. In a 3D printer environment where the hot end can reach 250°C or more, PTFE wiring maintains its insulating properties without melting or degrading, ensuring safe and stable long-term operation.
Q: Can I use this thermistor for both the heated bed and the hot end?
A: Yes. This NTC 3950 100K thermistor is suitable for temperature sensing on both the heated print bed and the hot end of compatible 3D printers. Its compact glass bead form factor makes it easy to fit into most standard thermistor mounting slots.
Q: How accurate is this thermistor?
A: This thermistor offers ±1% resistance tolerance at 25°C (100K ohm), which translates to reliable and consistent temperature readings for precise 3D print control. The NTC 3950 B-value curve is widely supported in popular 3D printer firmware such as Marlin.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.