Description
Return new conductance = original/factor and relativeChange = new/original-1.
Electrical dissipation and temperature coefficients depend on operating conditions and component reference values. A calculated loss, local temperature factor or supplied-rating margin is only part of a thermal and reliability assessment.
Return new conductance = original/factor and relativeChange = new/original-1.
When to use this tool
Use Conductance Temperature Relative Change when checking one supplied loss, temperature or power-margin term.
How to use the tool and how it works
- Enter conductance, coefficient, temperatureChange. Use the units and conventions below.
- Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
- Read conductance, relativeChange. Use the output convention below.
Require positive conductance and factor = 1+coefficient*temperatureChange > 0. Return new conductance = original/factor and relativeChange = new/original-1.1
| Input field | Meaning and units | Accepted input |
|---|---|---|
| conductance | Conductance | Required. Finite number; strictly above 0. |
| coefficient | Fractional resistance temperature coefficient used in the reciprocal conductance model. | Required. Finite number. |
| temperatureChange | Temperature Change | Required. Finite number. |
| Output field | Interpretation | Returned shape |
|---|---|---|
| conductance | Conductance | Required. Finite number. |
| relativeChange | Relative Change | Required. Finite number. |
{
"input": {
"conductance": 2,
"coefficient": 0.01,
"temperatureChange": 100
},
"output": {
"conductance": 1,
"relativeChange": -0.5
}
}Limitations and assumptions
- The coefficient describes the modeled resistance factor, not a directly linear conductance coefficient. Temperature dependence and self-heating are not inferred.
- Inputs must satisfy both the field types and the cross-field conditions above. Invalid input causes an error; a successful false flag or documented placeholder is a different result.
- Numeric calculations use binary floating point unless exact decimal-integer arithmetic is explicitly stated. No hidden measurement tolerance or decimal rounding is added; nonfinite or out-of-contract results are rejected. Numeric signed-zero results are exported as zero.
Alternative or Complementary methods
Use manufacturer ratings, thermal paths, derating and transient conditions for a complete practical design.
References
Similar or alternative tools
- Electricity: Resistor Delta Temperature Coefficient Step
resistance = referenceResistance*factor; relativeChange = factor-1.
- Resistor Junction Temperature Sensitivity
resistance = referenceResistance*factor; derivative = referenceResistance*temperatureCoefficient.