EEVBlog #543 – PCB VIA Current Investigation


Dave tests the myth that plugging a PCB VIA with solder does nothing (or not much) to improve the current handling capability. Is manual wire feed-through any better?
Does the industry rule of thumb of 0.5A per VIA have any basis?
What is the typical plated VIA/hole thickness?
http://saturnpcb.com/pcb_toolkit.htm
Previous videos on PCB solder coating:
http://www.youtube.com/watch?v=L9q5vwCESEQ
http://www.youtube.com/watch?v=cScVqD6eIaU
Does a PCB VIA halve in resistance like a PCB trace does when coated with solder?
Forum HERE

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