... Gold Aluminum Resistor,250W High Power Voltage Wirewound Resistor,Load ResistorPower rating5W-500WResistance value0.01Ω-500KΩResistance tolerance0.1 ... Ω,150W20Ω,200W4Ω,250W4Ω,250W100Ω,300W ,500W ect. Performance Test itemTest conditionperformanceTemperaturecoefficientJIS-C-5202 5-2±50PPM/,±100PPM/,±200PPM ... or appearance orstructural irregularity R≤±(3%+0.1Ω)Load lifePower rating,25 1000H,1.5H ON,0. ...