PCB Trace Width Calculator
Calculate minimum PCB trace width for a given current using IPC-2221 standards. Supports external and internal layers with different copper weights and temperature rise limits.
How to Use PCB Trace Width Calculator
Enter the required current, acceptable temperature rise, copper weight, and layer type (external or internal). Click Calculate to get the minimum trace width in mils and mm with resistance and voltage drop analysis.
Step-by-Step Instructions
- Enter current in amps and temperature rise in °C
- Select copper weight and layer type
- Click Calculate Trace Width
- Review minimum width, resistance, and recommendations
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