by kloon@[EMAIL PROTECTED]
Apr 22, 2008 at 09:45 AM
On Apr 22, 8:57=A0am, "Iain Churches" <Iai...@[EMAIL PROTECTED]
> wrote:
> Further to the discussion on heater current liming in an adjacent
> thread, it has just been suggested to me by e-mail that a
current-limiting=
> diode like the 1N5292 might be a good place to start.
>
> http://www.datasheetcatalog.org/datasheet/microsemi/SA5-47.pdf
>
> Any ideas?
>
> Iain
That is a very expensive idea.
Take the one you picked as an example, to power a 12AX7 heater at
12.6V, you will need 267 pieces in parallel. Or if you take 1N5314,
you will need 35 in parallel.
K. L.