Description��oThis is pre-wired thermistor for RepRap 3D Printer extruder or heated bed， for your convenience， it is also equipped with 2 pin connector to mate with RepRap electronics (RAMPS 1.4， Sangunolulu etc)NTC 3950 Thermistor features:Thermistor temperature value table for MarlinSmall Size: 1.25mmx2.0mm glass beadHigh accuracy: 1%Resistance value at 25??C=100KWiring insulation: high temperature teflon/PTFEWiring length: 1 meterPackage included:5 x NTC 3950 100k Thermistor assembled with 1 meter teflon wiring.