John Woodgate wrote:
I read in sci.electronics.design that Roy Lewallen
wrote (in ) about 'Extracting the
5th Harmonic', on Tue, 23 Mar 2004:

This series of suffix letters is used for temperature
compensating types (e.g., M7 (P100), R2 (N220)) as well, so R2G would be
-220 +/-30 ppm, M7H would be +100 +/-60 pmm, etc.


What does D0G mean, if anything?

I don't find D0 listed in my reference. The only one I have with a 0
number is C0, nominally zero tempco. So if it is a legitimate capacitor
designation, I don't know what it is. Getting kind of close to April 1,
so maybe it's short for D0G B0NE, a kind of ceramic capcitor?

Roy Lewallen, W7EL

"Fred Bartoli" r_AndThisToo wrote in message ...
....
Tom,
do you know any supplier of such for proto quantity ?
I need 1n/0805 and 4.7n/1206.
I can't find any of these and I feel I'll have to buy a handfull of 5%, sort
them and maybe adapt the resitors values to what the lot would kindly give
me.
Not very entertaining.

Followup on my previous offer: I have quantities of 3.9nF, 6.8nF and
8.2nF 1%, and a decent supply of 1.0nF 1%, but no 4.7nF rated at 1%.
If I had the task of finding a dozen or two 1% 4.7nF parts, I'd just
get a hundred 5% parts, make up a set of maybe ten bins (or just
divide a sheet of paper into ten or twenty areas) in 1% increments,
and sit down for about five minutes with my capacitance tweezers. The
sorting goes really fast that way: pick up a part with the tweezers,
read its value and drop it into the right bin.

Cheers,
Tom

"Fred Bartoli" r_AndThisToo wrote in message ...
....
Tom,
do you know any supplier of such for proto quantity ?
I need 1n/0805 and 4.7n/1206.
I can't find any of these and I feel I'll have to buy a handfull of 5%, sort
them and maybe adapt the resitors values to what the lot would kindly give
me.
Not very entertaining.

Followup on my previous offer: I have quantities of 3.9nF, 6.8nF and
8.2nF 1%, and a decent supply of 1.0nF 1%, but no 4.7nF rated at 1%.
If I had the task of finding a dozen or two 1% 4.7nF parts, I'd just
get a hundred 5% parts, make up a set of maybe ten bins (or just
divide a sheet of paper into ten or twenty areas) in 1% increments,
and sit down for about five minutes with my capacitance tweezers. The
sorting goes really fast that way: pick up a part with the tweezers,
read its value and drop it into the right bin.

Cheers,
Tom

On Wed, 24 Mar 2004 07:08:11 +0000, John Woodgate
wrote:

What does D0G mean, if anything?

Jordan. :-

--

The BBC: Licensed at public expense to spread lies.

On Wed, 24 Mar 2004 07:08:11 +0000, John Woodgate
wrote:

What does D0G mean, if anything?

Jordan. :-

--

The BBC: Licensed at public expense to spread lies.

Yet another followup...

Mouser lists a few 1% values. You could give them a call to see if
they happen to have the ones you want. But the prices listed for the
1% values are so high I'd still consider selecting from 5% values, for
hobby work. (I'm reading this in r.r.a.homebrew, but I see it's also
crossposted to sci.electronics.design...so maybe paying a few dollars
each isn't prohibitive.)

Cheers,
Tom

(Tom Bruhns) wrote in message om...
"Fred Bartoli" r_AndThisToo wrote in message ...
...
Tom,
do you know any supplier of such for proto quantity ?
I need 1n/0805 and 4.7n/1206.
I can't find any of these and I feel I'll have to buy a handfull of 5%, sort
them and maybe adapt the resitors values to what the lot would kindly give
me.
Not very entertaining.

Followup on my previous offer: I have quantities of 3.9nF, 6.8nF and
8.2nF 1%, and a decent supply of 1.0nF 1%, but no 4.7nF rated at 1%.
If I had the task of finding a dozen or two 1% 4.7nF parts, I'd just
get a hundred 5% parts, make up a set of maybe ten bins (or just
divide a sheet of paper into ten or twenty areas) in 1% increments,
and sit down for about five minutes with my capacitance tweezers. The
sorting goes really fast that way: pick up a part with the tweezers,
read its value and drop it into the right bin.

Cheers,
Tom

Yet another followup...

Mouser lists a few 1% values. You could give them a call to see if
they happen to have the ones you want. But the prices listed for the
1% values are so high I'd still consider selecting from 5% values, for
hobby work. (I'm reading this in r.r.a.homebrew, but I see it's also
crossposted to sci.electronics.design...so maybe paying a few dollars
each isn't prohibitive.)

Cheers,
Tom

(Tom Bruhns) wrote in message om...
"Fred Bartoli" r_AndThisToo wrote in message ...
...
Tom,
do you know any supplier of such for proto quantity ?
I need 1n/0805 and 4.7n/1206.
I can't find any of these and I feel I'll have to buy a handfull of 5%, sort
them and maybe adapt the resitors values to what the lot would kindly give
me.
Not very entertaining.

Followup on my previous offer: I have quantities of 3.9nF, 6.8nF and
8.2nF 1%, and a decent supply of 1.0nF 1%, but no 4.7nF rated at 1%.
If I had the task of finding a dozen or two 1% 4.7nF parts, I'd just
get a hundred 5% parts, make up a set of maybe ten bins (or just
divide a sheet of paper into ten or twenty areas) in 1% increments,
and sit down for about five minutes with my capacitance tweezers. The
sorting goes really fast that way: pick up a part with the tweezers,
read its value and drop it into the right bin.

Cheers,
Tom

On 23 Mar 2004 23:50:18 -0800, (Tom Bruhns) wrote:

with my capacitance tweezers

That sounds interesting. I have used regular tweezers to slip sm caps
into a fixture I made. This goes pretty fast except when I accidentally
twang a part into some far and unknown location.

Did you make these youself? Can you give a quick description.

I can think how I could make low capacitance tweezers, but not how to
flexibly connect them to a capacitance meter and get consistant
readings.

On 23 Mar 2004 23:50:18 -0800, (Tom Bruhns) wrote:

with my capacitance tweezers

That sounds interesting. I have used regular tweezers to slip sm caps
into a fixture I made. This goes pretty fast except when I accidentally
twang a part into some far and unknown location.

Did you make these youself? Can you give a quick description.

I can think how I could make low capacitance tweezers, but not how to
flexibly connect them to a capacitance meter and get consistant
readings.

"Tom Bruhns" a écrit dans le message de news:
...
"Fred Bartoli"
r_AndThisToo wrote in
message ...
...
Tom,
do you know any supplier of such for proto quantity ?
I need 1n/0805 and 4.7n/1206.
I can't find any of these and I feel I'll have to buy a handfull of 5%,
sort
them and maybe adapt the resitors values to what the lot would kindly
give
me.
Not very entertaining.

Followup on my previous offer: I have quantities of 3.9nF, 6.8nF and
8.2nF 1%, and a decent supply of 1.0nF 1%, but no 4.7nF rated at 1%.
If I had the task of finding a dozen or two 1% 4.7nF parts, I'd just
get a hundred 5% parts, make up a set of maybe ten bins (or just
divide a sheet of paper into ten or twenty areas) in 1% increments,
and sit down for about five minutes with my capacitance tweezers. The
sorting goes really fast that way: pick up a part with the tweezers,
read its value and drop it into the right bin.

Cheers,
Tom

Thanks for your offer Tom.

I email you in private.

Fred.