Hi Wouter,

Everyone always has a choice. No one says you *have* to use the symbol I
just posted a few messages back. You can use a normal fuse symbol (or
whatever you are comfortable with in this situation) and just put a notation
on the schematic that it is a PPTC (polymeric positive temperature
coefficient) device. As long as it is properly documented in the schematic,
It should not create a lot of confusion. But, before everyone goes for my
juggler, I'm not advocating doing this with all schematic symbols of course.
There are standards. But if your schematic editor does not have the proper
symbol, you can either create it yourself or do what I proposed here as an
exception, not the rule. The choice is yours (or whatever your company
advocates in their engineering design guidelines).

Neat devices they are, eh? Sure come in handy for the proper situation.

Best regards,

Ken Pergola

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