Emc Engineering

EMC PCB Trace Surge Energy Dissipation Calculator

EMC PCB Trace Surge Energy Dissipation Calculator engineering calculator.

Quick Answer

Calculate EMC PCB Trace Surge Energy Dissipation Calculator

Calculator

Surge Energy (J)
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Result Interpretation

EMC PCB Trace Surge Energy Dissipation Calculator computes Surge Energy in J using the defined engineering formula and the input values provided.

Worked Example

Verified calculation

Given:

  • Surge Pulse Duration = 8.0E-8
  • Trace Inductance = 8.0E-9
  • Trace DC Resistance = 0.08
  • Trace-to-Reference Capacitance = 8.0E-13
  • Peak Surge Current = 25

Expected Result:

  • Surge Energy = 2.5E-6

Engineering Interpretation:

Under the given input conditions, the calculated result is: Surge Energy = 2.5E-6 J.

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

surge energy = 0.5 * trace inductance * pow(peak surge current, 2) * (1 - exp(-2 * surge pulse duration / (trace dc resistance * trace-to-reference capacitance)))

Formula family: formula_emc_pcb_trace_surge_energy_calculator

Variables

SymbolLabelRoleDescription
trace_inductance Trace Inductance INPUT Trace Inductance
surge_current_peak Peak Surge Current INPUT Peak Surge Current
surge_duration Surge Pulse Duration INPUT Surge Pulse Duration
trace_resistance Trace DC Resistance INPUT Trace DC Resistance
trace_capacitance Trace-to-Reference Capacitance INPUT Trace-to-Reference Capacitance
surge_energy Surge Energy OUTPUT Surge Energy

Calculation Steps

  1. Enter the trace inductance in H.
  2. Enter the peak surge current in A.
  3. Enter the surge pulse duration in s.
  4. Enter the trace dc resistance in ohm.
  5. Enter the trace-to-reference capacitance in F.
  6. Step 1: Compute surge energy.
  7. Read the surge energy (J) from the results.

Engineering Summary

Calculate EMC PCB Trace Surge Energy Dissipation Calculator

Frequently Asked Questions

What does this calculator calculate?

The EMC PCB Trace Surge Energy Dissipation Calculator estimates Surge Energy based on the input parameters you provide

Why is trace inductance important in this calculation?

trace inductance is directly proportional to surge energy. When you enter trace inductance in H, the calculator uses it in the engineering formula to compute the output

How should I interpret the result surge energy?

The calculator outputs surge energy in J. For larger energy values, divide by 1000 to express in kJ. 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: Trace Inductance (H), Peak Surge Current (A), Surge Pulse Duration (s), Trace DC Resistance (ohm), Trace-to-Reference Capacitance (F). 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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