External PCB Trace Width
Calculate the required trace width for a specified current
EEWeb
Trace Width Calculator
Choose Type
Microstrip Trace Width Calculator
Inputs
Max Current
I
Trace Width Unit
W
Trace Thickness
T
Temperature Rise
Trise
Additional Inputs
Ambient Temperature
Tamb
Length
L
Output
Trace Width:????
????
Additional Output
Trace Temperature:????
????
Resistance:????
????
Voltage Drop:????
????
Power Dissipation:????
????
Tool Description
Trace width is a requirement that designers specify to ensure that the trace can handle the required current capacity. This tool calculates the trace width based upon the following design specifications:
- Max Current
- Trace Thickness
- Max Desired Temperature Rise
This tool also calculates the following additional valuable information related to the trace:
- Resistance
- Votlage Drop
- Trace Power Dissipation
After a user specifies the max current, trace thickness, and desired max temperature rise, the tool calculates the trace width. This tool is based on charts in IPC-2221