19 Apr
2023
19 Apr
'23
3:48 a.m.
On Wed, Apr 19, 2023 at 2:37 AM Tom Hunter via cctalk
<cctalk(a)classiccmp.org> wrote:
... or four $20 power transistors to protect a 10 cent fuse like on the DEC
VR-14 display.
In general the transistor(s) will fail short-circuit, thus taking out
the fuse too.
Some switch-mode power supplies use special fast-acting fuses which
can actually be more expensive than the chopper transistor.
-tony