... ,and ultra precision.Standard winding,high stability,strong construction.2. good performance in high temperature,humidity, vibration,and explosion3.for customer requirement ... Ω,50W24Ω,50W10Ω,100W100Ω,150W20Ω,200W4Ω,250W4Ω,250W100Ω,300W ,500W ect. Performance Test itemTest conditionperformanceTemperaturecoefficientJIS-C-5202 5-2±50PPM/,±100PPM/,±200PPM ...