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PCB Trace Width calculator
When making PCBs you sometimes needs a trace that will handle a lot of current. Those traces may need to be a little wider than the normal traces used for standard signals.
This calculator can help you find the size you need for high-power traces.
Current (Max 35) :
Amps
Copper Thickness :
oz/ft²
mil
mm
μm
Ambient Temperature :
°
C
F
Temperature Rise :
°
C
F
Trace Length :
feet
inch
mil
m
cm
mm
μm
Show Required Trace Width In :
mil
mm
μm
External Layers (in air)
Internal Layers
Required Trace Width
11.8
30.8
mil
Resistance
0.840
0.323
Ohm
Voltage Drop
0.840
0.323
Volt
Power Loss
0.840
0.323
Watt
Disclaimer:
The figures returned by this calculator are to be taken as a guide only. I will not be held responsible for any mishap or loss, either direct or consequential, that may occur as a result of relying on the figures herein.
