On Wed, Apr 19, 2023 at 2:37 AM Tom Hunter via cctalk <cctalk@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
