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Harold E. Johnson
July 3rd 03, 11:58 PM
"Sebastian Tombs" > wrote in message
e.rogers.com...
> Does anyone know of a source for 1000 pF feedthrough capacitors in Canada
or
> the US. I've looked on the web, bit the only one I found was in SOuth
> Australia and I want to build the project THIS month :). A local source
for
> me, (Montreal, Ottawa, Toronto) would be the best...
>
Maplin (England) has some 1000 pF and 0.1 uF feedthrus at a very attractive
price. May be surplus, they don't look new, but conversely, I don't think
they've been used before either.

W4ZCB

Harold E. Johnson
July 3rd 03, 11:58 PM
"Sebastian Tombs" > wrote in message
e.rogers.com...
> Does anyone know of a source for 1000 pF feedthrough capacitors in Canada
or
> the US. I've looked on the web, bit the only one I found was in SOuth
> Australia and I want to build the project THIS month :). A local source
for
> me, (Montreal, Ottawa, Toronto) would be the best...
>
Maplin (England) has some 1000 pF and 0.1 uF feedthrus at a very attractive
price. May be surplus, they don't look new, but conversely, I don't think
they've been used before either.

W4ZCB

Alex
July 4th 03, 02:01 AM
Not sure what the difference is between them and normal ones, but ABRA
electronics in Montreal has tons of capacitors for as little as $0.05
each. What is the difference between them and normal ones?

Sebastian Tombs wrote:
> Does anyone know of a source for 1000 pF feedthrough capacitors in Canada or
> the US. I've looked on the web, bit the only one I found was in SOuth
> Australia and I want to build the project THIS month :). A local source for
> me, (Montreal, Ottawa, Toronto) would be the best...
>
> Thanks
>
>
> ---
> Outgoing mail is certified Virus Free.
> Checked by AVG anti-virus system (http://www.grisoft.com).
> Version: 6.0.493 / Virus Database: 292 - Release Date: 6/25/03
>
>

Alex
July 4th 03, 02:01 AM
Not sure what the difference is between them and normal ones, but ABRA
electronics in Montreal has tons of capacitors for as little as $0.05
each. What is the difference between them and normal ones?

Sebastian Tombs wrote:
> Does anyone know of a source for 1000 pF feedthrough capacitors in Canada or
> the US. I've looked on the web, bit the only one I found was in SOuth
> Australia and I want to build the project THIS month :). A local source for
> me, (Montreal, Ottawa, Toronto) would be the best...
>
> Thanks
>
>
> ---
> Outgoing mail is certified Virus Free.
> Checked by AVG anti-virus system (http://www.grisoft.com).
> Version: 6.0.493 / Virus Database: 292 - Release Date: 6/25/03
>
>

Bruce Raymond
July 4th 03, 02:13 PM
Ocean States Electronics lists them in their catalog.

http://www.oselectronics.com/PDF%20Pages/pg093.pdf

Hope this helps.

Bruce Raymond/ND8I


"Michael Black" > wrote in message
...
> Alex ) writes:
> > Not sure what the difference is between them and normal ones, but ABRA
> > electronics in Montreal has tons of capacitors for as little as $0.05
> > each. What is the difference between them and normal ones?
> >
> They are physically different.
>
> They are basically a way of getting something in or out of a chassis
> or compartment without any associated RF.
>
> So all feedthrough capacitors fit in some kind of hole. Some have a
thread
> so you can hold it in place with a nut. Others are soldered in place.
The
> center lead obviously carries the signal you want, but from that point to
> ground there is a (pretty good) capacitor to ground. No extra leads to
> cause problems, likely because of the physical layout less chance for
> a stray signal to come out of (or into) the box.
>
> At the very least, they are a neat way of hooking wires to a box,
> since they in effect supply terminals that you can solder wires to.
>
> Michael VE2BVW
>
> > Sebastian Tombs wrote:
> >> Does anyone know of a source for 1000 pF feedthrough capacitors in
Canada or
> >> the US. I've looked on the web, bit the only one I found was in SOuth
> >> Australia and I want to build the project THIS month :). A local
source for
> >> me, (Montreal, Ottawa, Toronto) would be the best...
> >>
> >> Thanks
> >>
> >>
> >> ---
> >> Outgoing mail is certified Virus Free.
> >> Checked by AVG anti-virus system (http://www.grisoft.com).
> >> Version: 6.0.493 / Virus Database: 292 - Release Date: 6/25/03
> >>
> >>
> >
>
>

Bruce Raymond
July 4th 03, 02:13 PM
Ocean States Electronics lists them in their catalog.

http://www.oselectronics.com/PDF%20Pages/pg093.pdf

Hope this helps.

Bruce Raymond/ND8I


"Michael Black" > wrote in message
...
> Alex ) writes:
> > Not sure what the difference is between them and normal ones, but ABRA
> > electronics in Montreal has tons of capacitors for as little as $0.05
> > each. What is the difference between them and normal ones?
> >
> They are physically different.
>
> They are basically a way of getting something in or out of a chassis
> or compartment without any associated RF.
>
> So all feedthrough capacitors fit in some kind of hole. Some have a
thread
> so you can hold it in place with a nut. Others are soldered in place.
The
> center lead obviously carries the signal you want, but from that point to
> ground there is a (pretty good) capacitor to ground. No extra leads to
> cause problems, likely because of the physical layout less chance for
> a stray signal to come out of (or into) the box.
>
> At the very least, they are a neat way of hooking wires to a box,
> since they in effect supply terminals that you can solder wires to.
>
> Michael VE2BVW
>
> > Sebastian Tombs wrote:
> >> Does anyone know of a source for 1000 pF feedthrough capacitors in
Canada or
> >> the US. I've looked on the web, bit the only one I found was in SOuth
> >> Australia and I want to build the project THIS month :). A local
source for
> >> me, (Montreal, Ottawa, Toronto) would be the best...
> >>
> >> Thanks
> >>
> >>
> >> ---
> >> Outgoing mail is certified Virus Free.
> >> Checked by AVG anti-virus system (http://www.grisoft.com).
> >> Version: 6.0.493 / Virus Database: 292 - Release Date: 6/25/03
> >>
> >>
> >
>
>

John Miles
July 7th 03, 04:49 PM
In article ers.com>,
says...
> Does anyone know of a source for 1000 pF feedthrough capacitors in Canada or
> the US. I've looked on the web, bit the only one I found was in SOuth
> Australia and I want to build the project THIS month :). A local source for
> me, (Montreal, Ottawa, Toronto) would be the best...
>

Do an eBay search on (feedthrough, feedthru).

-- jm

------------------------------------------------------
http://www.qsl.net/ke5fx
Note: My E-mail address has been altered to avoid spam
------------------------------------------------------

John Miles
July 7th 03, 04:49 PM
In article ers.com>,
says...
> Does anyone know of a source for 1000 pF feedthrough capacitors in Canada or
> the US. I've looked on the web, bit the only one I found was in SOuth
> Australia and I want to build the project THIS month :). A local source for
> me, (Montreal, Ottawa, Toronto) would be the best...
>

Do an eBay search on (feedthrough, feedthru).

-- jm

------------------------------------------------------
http://www.qsl.net/ke5fx
Note: My E-mail address has been altered to avoid spam
------------------------------------------------------

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