Service Hours: Monday to Friday,Saturday: Guangfu Road branch only, Closed on Sundays and public holidays. For specific hours, please see details for each branch.

All marked prices are tax-inclusive and in TWD. Free shipping for purchases over 1200 (mainland Taiwan).

Language: English Centenary Materials Co., Ltd.

Centenary Materials Co., Ltd.

繁體中文 English

Service Hours: Monday to Friday,Saturday: Guangfu Road branch only, Closed on Sundays and public holidays. For specific hours, please see details for each branch.

All marked prices are tax-inclusive and in TWD. Free shipping for purchases over 1200 (mainland Taiwan).

Service Hours: Monday to Friday,Saturday: Guangfu Road branch only, Closed on Sundays and public holidays. For specific hours, please see details for each branch.

All marked prices are tax-inclusive and in TWD. Free shipping for purchases over 1200 (mainland Taiwan).

Language:

繁體中文 English

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You are here: Conversion Calculator > PCB Trace Width Calculator

PCB Trace Width Calculator

Calculate required PCB trace width based on current, copper weight and temperature rise (IPC-2221)

Trace Current

A

Copper Weight

Temperature Rise

°C

Layer

Result

IPC-2221 Formula

A = (I / (k₁ × ΔT^k₂))^1/k₃

W = A / (t × 1.378)

External: k₁=0.048, k₂=0.44, k₃=0.725 | Internal: k₁=0.024, k₂=0.44, k₃=0.725