Having trouble identifying this component / module

P

paul h

Guest
Hi ,

I am trying to identify a component on a board , its identifier is ISR1 ,
unfortunately its had its part number scraped off
Its function is to convert 24vdc to 12vdc @ 2A also there is a similar
device that converts to 5vdc @ 2A , so i suspect its a dc - dc convertor
Ive looked on the net for similar devices but cant find anything

The device has 12 pins and mounts horizontally.

here are some pics of the device

http://www.paulhopkinson.plus.com
 
"paul h" <p.hopkinson@btinternet.com> wrote in message
news:eek:psf7ulsoft3nrmo@paulh-laptop...
Hi ,

I am trying to identify a component on a board , its identifier is ISR1
,
unfortunately its had its part number scraped off
Its function is to convert 24vdc to 12vdc @ 2A also there is a similar
device that converts to 5vdc @ 2A , so i suspect its a dc - dc convertor
Ive looked on the net for similar devices but cant find anything

The device has 12 pins and mounts horizontally.

here are some pics of the device

http://www.paulhopkinson.plus.com
Click to expand...
What is it out of? Which component has its numbers scratched off.


--
Graham W http://www.gcw.org.uk/ PGM-FI page updated, Graphics Tutorial
WIMBORNE http://www.wessex-astro-society.freeserve.co.uk/ Wessex
Dorset UK Astro Society's Web pages, Info, Meeting Dates, Sites & Maps
Change 'news' to 'sewn' in my Reply address to avoid my spam filter.
 
"paul h" <p.hopkinson@btinternet.com> wrote in message
news:eek:psf73h9ezt3nrmo@paulh-laptop...
On Thu, 21 Oct 2004 13:38:33 +0100, Graham W
graham@his.com.puter.INVALID> wrote:


"paul h" <p.hopkinson@btinternet.com> wrote in message
news:eek:psf7ulsoft3nrmo@paulh-laptop...
Hi ,

I am trying to identify a component on a board , its identifier is
ISR1
,
unfortunately its had its part number scraped off
Its function is to convert 24vdc to 12vdc @ 2A also there is a
similar
device that converts to 5vdc @ 2A , so i suspect its a dc - dc
convertor
Ive looked on the net for similar devices but cant find anything

The device has 12 pins and mounts horizontally.

here are some pics of the device

http://www.paulhopkinson.plus.com

What is it out of? Which component has its numbers scratched off.

Its out of a bus , it supplies power to an onboard modem , the company
we
orignally bought this board
from has stopped trading

If you look at the 3rd picture , you can see the id has been removed
from
the frame of the unit,
Click to expand...
I wouldn't have thought that the frame would have moulded makers
name/model numbers on it since you'd need a different one for
each model change.

So, which is 'ISR1'? BTW, 2Amps seems a lot of juice for a modem!


--
Graham W http://www.gcw.org.uk/ PGM-FI page updated, Graphics Tutorial
WIMBORNE http://www.wessex-astro-society.freeserve.co.uk/ Wessex
Dorset UK Astro Society's Web pages, Info, Meeting Dates, Sites & Maps
Change 'news' to 'sewn' in my Reply address to avoid my spam filter.
 
"paul h" <p.hopkinson@btinternet.com> wrote in message
news:eek:psf7ulsoft3nrmo@paulh-laptop...
Hi ,

I am trying to identify a component on a board , its identifier is ISR1 ,
unfortunately its had its part number scraped off
Its function is to convert 24vdc to 12vdc @ 2A also there is a similar
device that converts to 5vdc @ 2A , so i suspect its a dc - dc convertor
Ive looked on the net for similar devices but cant find anything

The device has 12 pins and mounts horizontally.

here are some pics of the device

http://www.paulhopkinson.plus.com
Click to expand...

TI bought a company a while back that made the type of module you show.
Perhaps they have something like it you can compare it to?
 
Clarence wrote:

"paul h" <p.hopkinson@btinternet.com> wrote in message
news:eek:psf7ulsoft3nrmo@paulh-laptop...
Hi ,

I am trying to identify a component on a board , its identifier is
ISR1 , unfortunately its had its part number scraped off
Its function is to convert 24vdc to 12vdc @ 2A also there is a
similar device that converts to 5vdc @ 2A , so i suspect its a dc -
dc convertor Ive looked on the net for similar devices but cant
find anything

The device has 12 pins and mounts horizontally.

here are some pics of the device

http://www.paulhopkinson.plus.com


TI bought a company a while back that made the type of module you
show. Perhaps they have something like it you can compare it to?
Click to expand...
you thinling of "powertrends"?
 
"rein wiehler" <rwiehler@pathcom.com> wrote in message
news:1KOdnanXw8O0n-XcRVn-2Q@rogers.com...
Clarence wrote:

snip

TI bought a company a while back that made the type of module you
show. Perhaps they have something like it you can compare it to?

you thinling of "powertrends"?
Click to expand...

That is the one!
 
On Thu, 21 Oct 2004 10:37:01 +0000 (UTC), "paul h"
<p.hopkinson@btinternet.com> put finger to keyboard and composed:

I am trying to identify a component on a board , its identifier is ISR1 ,
unfortunately its had its part number scraped off
Its function is to convert 24vdc to 12vdc @ 2A also there is a similar
device that converts to 5vdc @ 2A , so i suspect its a dc - dc convertor
Ive looked on the net for similar devices but cant find anything

The device has 12 pins and mounts horizontally.

here are some pics of the device

http://www.paulhopkinson.plus.com
Click to expand...
It looks like an Integrated Switching Regulator, probably by Power
Trends, who were bought by TI.

Here is just one of many Google hits:
http://focus.ti.com/download/aap/pdf/12983_master.pdf


- Franc Zabkar
--
Please remove one 's' from my address when replying by email.
 
On Thu, 21 Oct 2004 13:38:33 +0100, Graham W
<graham@his.com.puter.INVALID> wrote:

"paul h" <p.hopkinson@btinternet.com> wrote in message
news:eek:psf7ulsoft3nrmo@paulh-laptop...
Hi ,

I am trying to identify a component on a board , its identifier is ISR1
,
unfortunately its had its part number scraped off
Its function is to convert 24vdc to 12vdc @ 2A also there is a similar
device that converts to 5vdc @ 2A , so i suspect its a dc - dc convertor
Ive looked on the net for similar devices but cant find anything

The device has 12 pins and mounts horizontally.

here are some pics of the device

http://www.paulhopkinson.plus.com

What is it out of? Which component has its numbers scratched off.
Click to expand...
Its out of a bus , it supplies power to an onboard modem , the company we
orignally bought this board
from has stopped trading

If you look at the 3rd picture , you can see the id has been removed from
the frame of the unit,



Using Opera's revolutionary e-mail client: http://www.opera.com/m2/
 
On Fri, 22 Oct 2004 06:13:07 +1000, Franc Zabkar
<fzabkar@optussnet.com.au> wrote:

On Thu, 21 Oct 2004 10:37:01 +0000 (UTC), "paul h"
p.hopkinson@btinternet.com> put finger to keyboard and composed:

I am trying to identify a component on a board , its identifier is ISR1 ,
unfortunately its had its part number scraped off
Its function is to convert 24vdc to 12vdc @ 2A also there is a similar
device that converts to 5vdc @ 2A , so i suspect its a dc - dc convertor
Ive looked on the net for similar devices but cant find anything

The device has 12 pins and mounts horizontally.

here are some pics of the device

http://www.paulhopkinson.plus.com

It looks like an Integrated Switching Regulator, probably by Power
Trends, who were bought by TI.

Here is just one of many Google hits:
http://focus.ti.com/download/aap/pdf/12983_master.pdf


- Franc Zabkar
Click to expand...

And further to that they are probably from the PT6210 family (assuming
the output is non-isolated).
http://focus.ti.com/docs/prod/folders/print/pt6210.html
 
"paul h" <p.hopkinson@btinternet.com> wrote in message
news:eek:psf73h9ezt3nrmo@paulh-laptop...
On Thu, 21 Oct 2004 13:38:33 +0100, Graham W
graham@his.com.puter.INVALID> wrote:


"paul h" <p.hopkinson@btinternet.com> wrote in message
news:eek:psf7ulsoft3nrmo@paulh-laptop...
Hi ,

I am trying to identify a component on a board , its identifier is
ISR1
,
unfortunately its had its part number scraped off
Its function is to convert 24vdc to 12vdc @ 2A also there is a
similar
device that converts to 5vdc @ 2A , so i suspect its a dc - dc
convertor
Ive looked on the net for similar devices but cant find anything

The device has 12 pins and mounts horizontally.

here are some pics of the device

http://www.paulhopkinson.plus.com

What is it out of? Which component has its numbers scratched off.

Its out of a bus , it supplies power to an onboard modem , the company
we
orignally bought this board
from has stopped trading

If you look at the 3rd picture , you can see the id has been removed
from
the frame of the unit,
Click to expand...
I plugged the pat. no. on top of the toroid into the www.uspto.gov
search and came up with this: (sorry about the wrap around)
http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL
&p=1&u=/netahtml/srchnum.htm&r=1&f=G&l=50&s1=5,789,712.WKU.&OS=PN/5,789,
712&RS=PN/5,789,712

Possibly a long shot, but you might be able to get more info from the
Power Trends, Inc. mentioned in the patent. The PTI must mean Power
Trends, Inc.
 
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