MANUFACTURING:
Resistive element is prepared in carbon composition, but the filler used is ceramic powder. The sheet resistance is controlled by changing the quantity of carbon and ceramic. Particle size and sintering temperature also play a critical role in achieving the desired ohm values.
Specifications
Range of values 10 ohm to 4K7
Temperature coefficient of resistance -1500 ppm/0C
Stability 20%
Tolerance 20%
Working temperature very high
Application: They are used in high power application. They are less costly compared to wire wound resistors.