Quick Answer
Calculate SMD Component Voltage Derating Factor Calculator
Calculator
Result Interpretation
SMD Component Voltage Derating Factor Calculator computes Voltage Derating Factor in 1 using the defined engineering formula and the input values provided.
Worked Example
Verified calculation
Given:
- Component Rated Voltage = 25
- Actual Temperature Rise Above Ambient = 20
- Maximum Allowed Temperature Rise = 50
- Maximum Operating Voltage = 15
Expected Result:
- Voltage Derating Factor = 0.36
Engineering Interpretation:
Under the given input conditions, the calculated result is: Voltage Derating Factor = 0.36.
The actual numerical result is computed by the Runtime engine using the persisted tool definition. The values shown here come from automatically validated test cases.
Formula / Method
voltage derating factor = min(1.0, (maximum operating voltage / component rated voltage) * (1.0 - (actual temperature rise above ambient / maximum allowed temperature rise)))Formula family: formula_electronics_smd_component_derating_advisor_for_voltage_power
Variables
| Symbol | Label | Role | Description |
|---|---|---|---|
| max_operating_voltage | Maximum Operating Voltage | INPUT | Maximum Operating Voltage |
| rated_voltage | Component Rated Voltage | INPUT | Component Rated Voltage |
| temperature_rise | Actual Temperature Rise Above Ambient | INPUT | Actual Temperature Rise Above Ambient |
| max_allowed_temp_rise | Maximum Allowed Temperature Rise | INPUT | Maximum Allowed Temperature Rise |
| voltage_derating_factor | Voltage Derating Factor | OUTPUT | Voltage Derating Factor |
Calculation Steps
- Enter the maximum operating voltage in V.
- Enter the component rated voltage in V.
- Enter the actual temperature rise above ambient in K.
- Enter the maximum allowed temperature rise in K.
- Step 1: Compute voltage derating factor.
- Read the voltage derating factor (1) from the results.
Engineering Summary
Calculate SMD Component Voltage Derating Factor Calculator
Frequently Asked Questions
What does this calculator calculate?
The SMD Component Voltage Derating Factor Calculator estimates Voltage Derating Factor based on the input parameters you provide
Why is maximum operating voltage important in this calculation?
maximum operating voltage is directly proportional to voltage derating factor. When you enter maximum operating voltage in V, the calculator uses it in the engineering formula to compute the output
How should I interpret the result voltage derating factor?
The calculator outputs voltage derating factor. The result is computed directly from the input values using the defined engineering formula
What units should I use for the inputs?
Enter each value in the units shown next to the input field: Maximum Operating Voltage (V), Component Rated Voltage (V), Actual Temperature Rise Above Ambient (K), Maximum Allowed Temperature Rise (K). Make sure all inputs use the specified units for consistent results
What assumptions does this calculator use?
This calculator uses automatically validated engineering formulas. Results are approximate and should be validated against site-specific conditions, applicable codes, and professional engineering judgment
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