RX20 Resistor 100ohm 6000w Wirewound Fixed Ceramic Tube Brake Corrugated Non inductive Resistors
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Characteristics |
Standards |
Test methods |
Resistance and Resistance tolerance |
Resistance tolerance ±5% (J) |
/ |
Temperature coefficient |
±300ppm |
Test the resistance value at normal temperature and normal temperature added 100℃,calculate per℃ resistance value change rate . |
Power rating load |
△R/R≦± (1%+0.05Ω) temperature 350℃ Max.
|
the power rating is applied to the resistor kept horizontally for 30 min. |
Short-time overload |
△R/R≦± (2%+0.05Ω) |
At 10× rated voltage for 5 seconds. |
Insulation resistance |
≥100MΩ |
DC500V |
Dielectric withstanding voltage |
Without damage by flash-over, fire. or breakdown, etc. |
≥AC2000V,60(sec.) |
Terminal strength |
no evidence of mechanical damage |
Tension: 196N, 30±5 seconds |
Resistor strength |
no evidence of mechanical damage |
294N, 30±5 seconds |
Heat resistance |
△R/R≦± (1%+0.05Ω) |
Immerge into 375±10℃ tin stove for 2~3 seconds. |
Thermal shock |
△R/R≦± (2%+0.05Ω) |
-55℃/30min(min.)→+25℃/15min(min.)→+125℃/30min(min.)→+2515min(min). A total of 5 cycles total 5 cycles. |
Power rating load |
△R/R≦± (5%+0.05Ω) |
Overload rated voltage or Max.working voltage (get the lower) for 1000 hours (1.5 hours on and half-hour off ) at the 40±2℃ and 90~95% relative humidity. |
Load life in heat |
△R/R≦± (5%+0.05Ω) |
Overload rated voltage or Max.working voltage (get the lower ) for 1000 hours (1.5 hours on and half-hour off) at the 70±2℃. |