Application of glass sealed NTC thermistor in 3D printer

　　3D printer is based on digital model files, using special wax, powder metal or plastic and other adhesive materials to print layers of adhesive materials to create three-dimensional objects. Its principle is to put data and raw materials into a 3D printer, and the machine will build the products layer by layer according to the program.

　　NTC thermistor is an important part of temperature measurement and control in 3D printer. Under the high temperature of 300 ℃, the single ended wave sealed thermistor, which is most commonly used in 3D printers, is characterized by glass packaging. The glass body provides air tight sealing and voltage insulation, and can work in high temperature and humid environments. Its ultra accurate temperature measurement tolerance range is 1%.

　　Features of single ended glass sealed NTC thermistor resistor:

　　1. Glass package, heat resistant, highly stable.

　　2. The glass body provides airtight sealing and voltage insulation, and can work in high temperature and humid environment.

　　3. The temperature can reach 300 ℃.

　　4. Very short response time

　　5. Small size

　　6. Common resistance values: 25 ℃ 2k ohm, 10k ohm, 49k ohm, 50k ohm, 100k ohm, 200k ohm, 231.5k ohm, etc.

　　7. High accuracy of resistance value and B value

　　8. Thermal sensing shall be fast and sensitive.

　　9. Lead wire: insulated Dumex wire (copper clad FeNi)

　　10. Dissipation factor: ≥ 2.0mW/C.

　　11. Thermal time constant: ≤ 6.5 seconds in still air.

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