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Comments on Connector rated voltage vs IPC-2221B and IEC 62368

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Connector rated voltage vs IPC-2221B and IEC 62368

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Rosenberger 23C25D-40ML5 specifies 500V RMS rating: Image_alt_text Image_alt_text

Looking at the recommended landing pattern you can see that the distance between the signal landing pad and housing of the connector is 0.3025‬mm. IPC-2221B specifies minimum conductor spacing of 0.8mm for external component termination, uncoated for 151-170V, which is already considerably larger spacing than the footprint.

IEC 62368 specified minimum creepage distance for basic insulation, pollution degree 1 (Most favorable) and 500V RMS as 1.3mm, which is also considerably larger.

I have 2 questions:

1.) If I use this connector at its rated working voltage, does that automatically mean I am not complying to IEC 62368 safety standard?

2.) Would the only circumstance under which this connector could be used at its rated voltage be when the design does not have to comply with safety regulations?

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1 comment thread

Basic insulation (1 comment)
Basic insulation
Nick Alexeev‭ wrote 2 months ago

I doubt that these connectors are intended for scenarios where center conductor and shied are on opposite sides of basic insulation. Just like there's no IEC basic insulation in the USB or HDMI jack. What kinds of signals are you going to run through these coaxes? If you'd like further analysis on that, then post your insulation diagram, or describe it in words.