Current (I) * Amperes (A)

Temperature Rise * Degrees Celsius (°C)

Copper Weight * Ounces per square foot

Trace Length Millimeters (mm)

PCB Layer Heat dissipation

Ambient Temperature Degrees Celsius (°C)

1A, 10°C, 1oz 2A, 10°C, 1oz 5A, 10°C, 2oz 10A, 20°C, 2oz

— mm

Required trace width

IPC-2221

Trace Width:

—

Current:

—

Temp Rise:

—

Copper:

—

IPC-2221 standard: — trace width for —A with —°C rise on —oz copper. Outer layer.