PCB trace width
Preliminary internal and external copper trace width estimates using the IPC-2221 empirical relationship.
Number of Inputs and Type
Persian and English numerals are accepted. Calculations run on your device; inputs are not transmitted or stored.
Result
- Width External
- 0.300386521 mm
- Width Built-in
- 0.781437463 mm
This legacy IPC-2221 model is only a preliminary estimate. Use thermal analysis/IPC-2152, manufacturer specifications and actual board conditions for final design. Model limits: 35 A maximum and a temperature rise of 10–100°C.
روش Calculation and راهنما
A(mil²)=[I/(k ΔT^0.44)]^(1/0.725); w=A/t
This legacy IPC-2221 model is only a preliminary estimate. Use thermal analysis/IPC-2152, manufacturer specifications and actual board conditions for final design. Model limits: 35 A maximum and a temperature rise of 10–100°C.
ورودیهای مثال را تغییر دهید and واحد هر فیلد را کنترل کنید. Input نامعتبر بهجای یک units ظاهراً صحیح, پیام خطا View میدهد. for تصمیم نهایی, دیتاشیت and Standard Project ملاک است.