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I would like to know, too

Posted by rickmcinnis@dogwoodfabrics.com on May 11, 2017 at 15:56:27:
Another fellow at DIYaudio had the same experience.

I did have a higher rated ceramic fuse (either 0.25 or 0.5 A greater) and it does fine.

My first thought would have to do with heating. I am guessing air has less heating "stiction" than the ceramic, just enough to keep the thing alive. No question, if there was a long term heating question I would tend to think the ceramic body would offer more long term cooling than glass if that was a real concern.

One would think the stability added by the ceramic body would be an advantage. For some reason I have never opened one up so I do not know whether the wire is in intimate contact with the ceramic or is just as unsupported as the wire in the glass tube? In that case there would not be much of a difference if any at all.

One would think that the amount of air surrounding the wire could make a difference. No question there is a good distance between the wire and the glass case with "standard" resistors.

Could there be a quality of capacitance factor in fuse design?

I suspect most of us at one time have listened to a component without a fuse. I have not done it in decades. But I remember there was a difference. It is very frustrating.