| Customization: | Available |
|---|---|
| Resistance: | Fixed Resistor |
| Function for Resistance: | Protective Resistor, Load Resistor |
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| Test Item | Test Condition | Performance |
Temperature coefficient |
+100ºC.Test the resistance value at normal temperature and normal temperature added 100ºC, calculate per ºC resistance value change rate. | ±350ppm/ºC |
Short time overload |
10(√10PR)()According 10 times rated power to account the voltage or max. overload voltage(get the lower) for 5 seconds | ΔR≤±(2%R0+0.05Ω) |
Terminals strength |
R≤±(1%R+0.05Ω) | Tension 20N |
| Solderability | 260±10ºC2-3 Immerge into the 260±10ºC tin stove for 2-3 seconds |
95%The soldering area is over 95% |
| Resistance to soldering heat | ΔR≤±(1%R+0.05Ω) | 260±5ºC 10±1s |
Temperature cycling |
-55ºC30,+25ºC10-15,+275ºC30,+25ºC10-15,5 At -55ºC for 30 minutes,then at+25ºC for 10~15 minutes, then at +275ºC for 30 minutes, then at +25ºC for10~15 min, total 5 cycles. |
ΔR≤±(1%R0+0.05Ω) |
| Load life in humidity | 40±2ºC,90-95%,()1000(1.5,0.5) Overload rated voltage or Max,working voltage (get the lower) for 1000 hours (1.5 hours on and half-hour off) at the 40+2ºC and 90-95% relative humidity |
ΔR≤±(5%R0+0.05Ω) |
Load life in heat |
70±2ºC()1000(1.5,0.5).Overload rated voltage or Max, working voltage(get the lower) for 1000 hours (1.5 hours on and half-hour off at the70±2ºC | ΔR≤±(5%R0+0.05Ω) |
| Noninflammability | 5,10,165 Respectively load AC voltage by 5,10,16 times rated power for 5 minutes |
No visible flame |
| Surface temperature rise | ≤350ºC | Applied rated power |
| Insulation resistance | 1000MΩ | 1000V DC |
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