Cement resistors are manufactured by winding the ceramic rods with metal alloy resistance wire and put it in a fireproof ceramic box then concrete with non-flammable and heat-resistant cement.
1.Watt: 2W, 3W, 5W, 7W, 10W, 10WS. 2.TOL: ± 5%. 3.Value range: 0.1Ω~100KΩ.