it's based on your minimum spacing requirements and current carrying
requirements
but there isn't a spec that describes a basic distance.  Keep in mind other
requirements also like design for testability and design for manufacturability

[log in to unmask] wrote:

> Hello all,
>
> Can anyone tell me if there is an IPC standard for spacing between a surface
> mount pad and a feedthru?
>
> Thanks,
> Mike W