Home
 
PCB Libraries Trace Current Calculator
These formulas are approximations and are not to be used where a high degree of accuracy is required.
I:
  0
T:
 
Trace Width:
mm 0 mils
Copper Weight:
oz 0 mils
Type of Layer:
Outer Layer    Inner Layer
k:
 
A:
  0
  

I = maximum current in Amps

T = maxium temperature rise above ambient (°C)

k = derating constant (.024 for inner, .048 for outer)

A = cross-sectional area in square mils

 

 

 

© Copyright 2003-2008 PCB Matrix Corp. Terms of Service    Privacy Statement