[time-nuts] Re: Materials for a Rubidium Standard

[Adrian Godwin]

Sometimes I've heard 3x the BoM, sometimes 3x the factory gates price. The
latter sounds more believable at least for common retail items - thougfh
maybe not for items thousands of times the price.


On Wed, Sep 6, 2023 at 7:16 PM glenlist via time-nuts <
time-nuts at lists.febo.com> wrote:

> Hi Jim
>
> as a manufacturer of high tech complex electronics, but without yield
> issues (like a Cs tube) I wouldnt quite agree with those numbers. ,
> especially in modern times.
>
> for something high tech, generally 3 to 5 x mfr cost, depending on how
> much software is in it these days.....
>
> Certainly once you reach reel quantities, prices fall, and with clever
> design, you can maximum quantity of common parts on boards to more
> quickly achieve reel quantities, which may be between 300 and 5000
> pieces per reel . An LDO you buy from digikey for $2 might be 20 cents
> on reel.  Although it depends on the mfr. Some parts at Digikey that are
> $2 might only be $1.50 on reel.
>
> So, very much horses for courses.
>
> For something that involves a poor yield, like the Cs tube, with a high
> manual labour, the multiplier might be quite high- yes. and wouldnt
> change much with quantity unless process improves
>
> -glen
>
>
> On 6/09/2023 12:24 am, Lux, Jim via time-nuts wrote:
> > On 9/3/23 7:20 AM, Bob Camp via time-nuts wrote:
> >> Hi
> >>
> >> It is not uncommon for outfits to make some of the parts themselves.
> >> Not everybody
> >> makes the same decisions, but they all do a fair amount of “local
> >> fab” on this or that.
> >> They also may custom tool “captive” sources for some parts.
> >>
> >> Next up is the simple issue of bulk buying. When you are buying a
> >> thousand parts a
> >> month for years, you get a *much* better deal than somebody going out
> >> to buy one
> >> or two pieces. Indeed, a lot of OEM’s won’t even return your emails
> >> unless you are buying
> >> above some "may thousands of dollars worth a year” kind of level.
> >>
> >> There really isn’t a lot of market for some of these
> _______________________________________________
> time-nuts mailing list -- time-nuts at lists.febo.com
> To unsubscribe send an email to time-nuts-leave at lists.febo.com