Engineering Calculators

Inductor Quick Feasibility Checker

Use this quick estimator to check peak current, stored energy, and preliminary design difficulty.

Peak Current: A

Ripple Current: A p-p

Stored Energy: mJ

Preliminary Difficulty:

Likely Core Direction:

This is a quick educational estimate only. Final design requires core geometry, gap, winding, loss, fill factor, and thermal checks.

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Buck Converter Ripple Current Calculator

Estimate duty cycle, inductor ripple current, and peak current for a buck converter.

Duty Cycle: %

Ripple Current: A p-p

Ripple Percentage: %

Peak Current: A

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Wire Current Density Calculator

Estimate required copper area and approximate AWG size from RMS current and target current density.

Total Copper Area Required: mm²

Area Per Conductor: mm²

Approximate Suggested AWG:

This is a first-pass estimate. Real winding design also requires insulation diameter, window fill, AC loss, bend radius, and thermal checks.

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Inductor Saturation Risk Checker

Estimate flux density from inductance, peak current, turns, and effective core area.

Estimated Flux Density: T

Risk Level:

Approximation: B ≈ L × Ipk / (N × Ae). Final design should use actual core data, gap, material Bsat, and temperature limits.

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Inductor Loss Estimator

Estimate copper loss, core loss, and total loss for a preliminary inductor design.

Copper Loss: W

Core Loss: W

Total Loss: W

Thermal Concern:

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