SB-610 Experience

Mark Graalman WB8JKR wb8jkr at JUNO.COM
Thu Jul 31 17:01:42 EDT 2003


  I'm not sure but I would think the HV secondary may only
be rated at about 10 ma. or so and the smallest fuse I've
seen is about 100 ma. Anybody know what the secondary
can really tolerate current wise?

Mark  WB8JKR


On Thu, 31 Jul 2003 12:06:59 -0400 Peter A Markavage
<pmarkavage at JUNO.COM> writes:
> Has anyone considered a small low current fuse or a fusible link in
> series with one of the secondary high voltage leads. Given that
> exact
> replacement power transformers are not readily available and since
> the
> high voltage secondary winding can be under a lot of stress, due to
> component aging or leaky or possible shorting of the .15 mfd
> capacitors,
> some means should be provided to protect the HV secondary. I seem to
> recall running across computer monitors and some small portable TV's
> that
> used fuse links to protect their HV secondaries.
> Pete, WA2CWA
>
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