12 Pcs 12V 40W Ceramic Cartridge Heaters with NTC Thermistors for 3D Printers

CARTRIDGE HEATER MATERIAL: 304 Stainless Steel, Voltage: 12V, Power: 40W. Conveniently pre-wired with 1 meter long high temperature Teflon insulated wiring. THERMISTOR COLOR: White, support for NTC 3950 is included in Marlin firmware, use TEMP_SENSOR 11 in firmware configuration. Temperature sensor 100KΩ accuracy of ± 1%. THE NUMBER OF COILS VARIES depending on the power, and provide a great uniform distribution of heat, which considerably increases the long life of the heater as well as prevents the oxidation of the heater wire even at high temperatures. CARTRIDGE HEATER COMPOSITION: Consist of a cylindrical stainless steel tube and thus provide a high corrosion prevention. HEAT RESISTANT TAPE: Wide temperature range from -73℃ (99 F) to 280℃(536 F). Works well in protecting electronic products, electric motor, solder, painting, packing fixing, printing PCB board.