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Old 29th May 2006, 10:55 AM   #1
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Default Functional Insulation

Does anyone have a suggestion for functional insulation requirements for off-line PSU's?

Specifically, is there any guidance given in 60950? Unfortunately I don't have a copy.

As I understand the safety of functional insulation: It can be short-circuited with no effect on safety.
I'm currently using 0.5mm per 100V on external layers.

What about internal layers? Can I assume that the epoxy will be void free?
I'm currently using 0.2mm on internal layers.

Cheers,
Ralph
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