... .5%,±1%,±5%,±10% Features 1. Copper wire or chrominum alloy wire is wound on the ceramic tube coated with non-flammable ... resin,good dissipation ,high stability, and long life.2.high power ... .2. Different power rating owning multi weight ,dimension and packing .3. More details, please contact us. High Power Ceramic Tube Wire Wound Resistor