... Ω,50W6Ω,50W8Ω,50W24Ω,50W10Ω,100W100Ω,150W20Ω,200W4Ω,250W4Ω,250W100Ω,300W ,500W ect. Performance Test itemTest conditionperformanceTemperaturecoefficientJIS-C-5202 5-2±50PPM ... Ω)InsulationvoltageJIS-C-5202 5-7 5W-25W 1000VAC 50W2000 VAC75W-500W 4500VACR≤±(0.2%+0.05Ω)MoistureresistanceMIL-STD-202 NO.106R ... packing .3. More details, please contact us. 50W LED Load Resistors