Recommended Equivalent Total Floor Life (days)

As 7*24 is 168, that is consistent between table 5-1 and 7-1.

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On Wed, Apr 8, 2020 at 2:01 PM Gmail - Dick <[log in to unmask]> wrote:

> We are in the process of implementing rev D of J-STD-033. During the
> summer in Florida we are not able to maintain less than 60% relative
> humidity. The rev D document has Table 7-1 to derate due to factory
> conditions.
>
> I don’t understand how to interpret the table. At less than 5% RH,
> indefinite exposure time is allowed. That makes sense. However, at 30 C /
> 60% RH, standard conditions, for a level 3 part the table lists “7”,
> regardless of the body thickness.
> Table 5-1 indicates a level 3 part has a floor life out of the bag of 168
> hours.
>
> Can someone tell me how to interpret Table 7-1. What does 7 mean?
>
> If this to too complicated to explain in an email, I may be contacted
> off-line.
>
> Dick Krug
> Sparton Electronics
> [log in to unmask]
> 352-540-4012