Items | Methods | Qualified Judge according |
Temperature Coefficient of Resistor | -55℃/20℃,20℃/125℃ | Within specified T.C.R |
Endurance at upper-limit temperature | 4.25.3 125℃,no load 1000h | ΔR≤±(3%R+0.1Ω) |
Pulse-loaded | 100Hz~20000Hz,0.1~500μm 30min | ΔR≤±(2%R+0.05Ω) |
Rapid change oftemperature | 4.19 -55℃(30min),125℃(30min);5cycle | ΔR≤±(1%R+0.05Ω) |
Steady damp-heat | 4.24 56d at relative humidity 93~95% and 40±2℃ at a voltage of 0.1 times rated voltage | ΔR≤±(2%R+0.1Ω) |