If you don't want to go for an RTD, the 104NT4 is probably the optimal thermistor for 3D Printing.
For Klipper, use the following:
sensor_type: ATC Semitec 104NT-4-R025H42G
Phaetus 104NT4 Thermistor
- Product Code: 104NT4
- Availability: In Stock
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£5.94
- Ex Tax: £4.95
- Price in reward points: 594