Re: What Diodes Are These?

I was assuming the "94" and "95" were date codes, but the
monitor probably isn't that new (is it?).

Paul Sommers wrote:

>
>
> Thanks Rodger.
>
> The second one's bands are just silver.
>
> I'm wondering if the 04 means just a 4004 or 5004 and
> the 94 means nothing as it doesn't seem to mean
> anything on the RM25.
>
> Thanks
> Paul
>
> For what it's worth, the trusty Semiconductor Cross
> Reference Book (fourth edition) by Prompt Books says
> an RM 25 crosses to an ECG5089A, NTE5089A, or SK51V.
> The NTE book says an NTE5089A is a 4.7 volt 1 watt
> zener diode with a 5% tolerance.
>
> Not sure about the second one. If you had more than
> two bands I'd say read the band colors to get the
> value, but it doesn't sounds like there's enough
> information there to go on.
>
>
>
> Paul Sommers wrote:
>
>
> Gang,
>
> Picked up a 14" Hoei X/Y at an Ops shed the
> other weekend and last night recapped it and
> started checking components.
>
> Two diodes were testing bad (or maybe not even
> testing because of high or low value) so I went
> to the schematic to find out what value they
> were - and the chassis isn't a Hoei - even
> though it looks like the one I have it has many
> more components. So it could be a copy or a
> redesign - all writing in Japanese (I'll try and
> get it translated next week with another monitor
> chassis).
>
> In the meantime - the two diodes have markings I
> don't know the meaning of.
>
> They are both average looking diodes.
>
> #1 - Standard cathode indicator band. Marking:
> RM 25 with a smaller 95 under each the RM and
> the 25. Any ideas?
>
> #2 - Funny cathode indicator band or bands - top
> one is like a thick dotted line and below is the
> standard solid band. Marking: -04 94. The -04
> is bigger type than the 94.
>
> Anyone know what these are?
>
> Cheers
> Paul
> --
> Windows:
>
> 32 bit graphical interface for a
> 16 bit patch for an
> 8 bit operating system written for a
> 4 bit processor by a
> 2 bit company that can't stand
> 1 bit of competition.
>
>

--
Windows:
32 bit graphical interface for a
16 bit patch for an
8 bit operating system written for a
4 bit processor by a
2 bit company that can't stand
1 bit of competition.
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