> My tests of polyfuses suggest they are slow to operate, imprecise
> in trip point, and generally inexact in the wa that they work

Hmmm

Can you explain how a short circuit could blow the output transistors
(4 x 2N3055 - 7A Ib, 15A Ic) in that circuit ? Is it the current surge ?

If the load were gradually reduced to a short, would they survive ?

Joe
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