Have you ever seen a radial power resistors SQP?

High power ceramic resistors are widely used due to their core advantages such as high temperature resistance, strong stability, and moisture resistance, especially in the industrial, power, and electronic equipment fields. So, what are radial power resistors made of to achieve such outstanding performance?

Radial power resistors are manufactured by winding a metal alloy resistance wire around a ceramic rod, placing the assembly into a fire-resistant ceramic casing, and then encapsulating it with non-flammable, heat-resistant cement.

The rated powers of the resistors are as follows: 2W, 3W, 5W, 7W, 10W, 3WS, 5WS, 7WS, 10WS.

Taking the high-power ceramic resistor in the figure as a reference:

• Series Number: SQM

• It is 5W, 3Kohm.

• Value Range ±5% (Ceramic Core): 0.1Ω - 180Ω

• Value Range ±5% (Metal Oxide Film): 180Ω -100KΩ

• Operating Temp. Range: -55℃ ~ +155℃

• Temp. Coefficient (PPM): ±300ppm/℃

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WEE Technology Published on Nov 21, 2025