Derating Calculator !!better!! Site
If you plan to use this resistor in an environment that is :
is the practice of operating a component or conductor at a lower stress level than its maximum rated capacity. Think of it like a highway speed limit: just because a car’s speedometer reads 160 mph doesn’t mean you should drive that fast. Similarly, just because a wire is rated for 20 amps doesn’t mean you should push 20 amps through it continuously. derating calculator
A automates this complex process. Instead of flipping through tables in the NEC (National Electrical Code) or military standards (MIL-STD-975), you input your operating conditions, and the calculator outputs the safe, adjusted current or power limit. If you plan to use this resistor in
$$Derating Factor = 1 - \frac(T_ambient - T_ref)T_max - T_ref$$ A automates this complex process
