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Warp 13a upgrade to bluepole

Started by bergweed ●April 12, 2005
Reply by JCullins ●April 16, 20052005-04-16
Mouser is much better than they used to be. Their catalog is growing, but so is Digi-keys
Jim
----- Original Message -----
From: Phil
To: p...@yahoogroups.com
Sent: Saturday, April 16, 2005 12:33 PM
Subject: [piclist] Re: Warp 13a upgrade to bluepole


--- In p...@yahoogroups.com, "rtstofer" <rstofer@p...> wrote:> I have bought from Mouser a few times but I don't think much of
> their web site as compared to Digikey.  Digikey is my primary
> supplier simply because they can fill the entire order.  Mouser
> doesn't seem to have the diversity of products.

I agree that digi's parametric search is a lot better than mouser's
part number search.  For a 30% discount, I'll live with it though. 

By the way, digi's search could stand some improvement.  like LEDs -
you can't select by wavelength but by color which is (I think) the
manufacturer's description.  Mosfet parametrics lacks Vgt and Rds in
the search - you still have to slog through a long list once you
select amps and voltage.

While digi does carry some lines that mouser doesn't, in general, I
find mouser to be pretty complete.  I use mouser to stock up on the
common parts. It appears to me that digikey tries to discourage the
small quantity orders.


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Reply by Phil ●April 16, 20052005-04-16

Interesting on the Atmel parts. clearly this is one place where they
are pretty close. I agree it always makes sense to check both and I
frequently do.

About the 30% - you are correct, its not across the boards. and yes,
I just guessed at that number though in some cases, it's much more
than 30%. Its my belief that Digi prices single/small units fairly
high and has a much steeper curve than mouser.

For some more common parts, I've found mouser to be much more
competitive. take 1206 5% chip resistors. Pretty much a commodity
yet Mouser's price at 100 (Xicon) is $.015/unit vs digi's (Yageo) at
$.042 for 50 and $.024/unit at 200 (yes, 50 from digi is 25% more than
100 from Mouser). That becomes significant when you are buying a
number of values. Nichicon electrolytics: there is a pretty big
difference for quantity 1 - UVR1V221MP (220 uF 35V general purpose)
Mouser is $.28/1, $.23/100, Digi is $.41/1, $.30/10 and $.21/100 (note
D is better at 100). PICs are usually a lot cheaper from Mouser.
There are lots of examples. Every time I price an order with both it
pencils out well in Mouser's favor, assuming they carry the product -
sure wish mouser carried IR's stuff.

One other point on Mouser - I use the "MyMouser" Project Manager
feature where I can create a project, put components into it and then
order multiples if I wish. Very convenient. I can set it up and play
with the parts list over several days and finally place the order.
They save them and I can go back and re-order.

--- In piclist@picl..., "rtstofer" <rstofer@p...> wrote:
>
> > While digi does carry some lines that mouser doesn't, in general, I
> > find mouser to be pretty complete. I use mouser to stock up on the
> > common parts. It appears to me that digikey tries to discourage the
> > small quantity orders.
>
> I have started playing with Atmel chips. The ATmega16 in 40 pin
> PDIP at Mouser is $6.75, at Digikey $6.77. One variation of the
> ATmega128 is $15.99 at Mouser and $15.05 at Digikey. Neither
> difference is a deal breaker.
>
> It is probably worth the time to price both places but in terms of
> splitting the order, shipping from two places will eat up the
> difference. At least on my small orders. I also refuse to have
> shipping more than 10% of my order. So, I buy extra parts, stock
> parts, whatever it takes to get the order into the $50 bracket. Not
> because of Digikey's handling fee for orders below $25, just because
> I don't want to see shipping as a significant part of my expense.
>
> I suspect that their prices are a function of their total volume in
> the products of the various manufacturers. It wouldn't surprise me
> to see one or the other lower on certain items, higher on others.
> Both carry high quality, first rate product.
>
> I don't think you can categorically state that Mouser is 30% less -
> it depends on the product. But it might be worth the time to
> compare... Or not...


Reply by Dave Mucha ●April 17, 20052005-04-17


>
> One other point on Mouser - I use the "MyMouser" Project Manager
> feature where I can create a project, put components into it and
then
> order multiples if I wish. Very convenient. I can set it up and
play
> with the parts list over several days and finally place the order.
> They save them and I can go back and re-order.
>

This feature is easily the best for me.

I routinly put in odds and ends. needed a batt for the wife's watch.
put it in.

Needed a fre parts for a circuit, put them in.

Nothing important, and nothing high enough to place an order.

then did a project and Presto ! all those little things were on my
order.

The other thing I like is that the form gives you stock status in
real time.

I do check both. Last year, the Tiny11 was $1.58 from M and $0.54
from Digikey. I missed the $0.25 cent group buy and was astounded at
the high Mouser price.
Dave


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