Greetings Technetters-

In the interest of streamlining a process, we're experimenting
with straight-thru assembly of leaded components in mixed-tech products.
The proposal on the table is to allow protrusion of up to 3.6mm (0.15").
This doesn't conform to existing IPC requirements (we're building Class 2
products).

What should be our concerns, other than potential shorts?
Why is Class 3 so stringent at 1.5mm max?


Thanks for your help.
 

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