How Much Current Will Destroy a PCB Track - Resistance Measurements Explained

Explore the intricacies of PCB track resistance and current capacity in this comprehensive video featuring Eric Bogatin. Learn how to measure and estimate track resistance using various methods, including ohmmeter measurements and four-wire resistance techniques. Discover the challenges of measuring low resistance and how to overcome them by increasing current. Investigate the current-handling capabilities of a 6mil (0.15mm) PCB track and witness the effects of excessive current on track integrity. Delve into power plane design considerations, including the use of multiple power planes. Gain insights into advanced measurement techniques such as the Kelvin method. Perfect for PCB designers and electronics enthusiasts looking to deepen their understanding of circuit board current management and resistance measurement.

What is this video about
Measuring resistance - the setup
How to estimate track resistance
Measuring track resistance by ohmmeter
The problem when measuring low resistance by ohmmeter
Four wire resistance measurement
Measuring very small resistance - increasing current
Measuring 6mil 0.15mm PCB track resistance
How much current a 6mil track can handle?
Burning PCB track
Power planes
Multiple power planes
Kelvin method measurement