They are now $92.55 from Arrow now and Farnell want over $200 each if
you buy 25 or more!!!! There don't seem to be any obvious cheap
alternatives for 10 turn 20ppm/C 5W pots.
Do they need to be 5W? Is that to minimize self heating?
The TT Electronics 7286 series are 10 turn, 2W, 20ppm/C, but only $10.66
for 25+. Or you could use 2 10K ohm 7270 series in parallel at $8.45
each for 50+ if you could fit them in somehow!
On 25/09/2015 20:10, Charles Black wrote:
Hi David,
I had to look it up. The company was Arrow (800 833 3557). The pots
were manufactured by Bournes with a manufacturer part number of
300SP-1-502. Unit cost $7.73 in 2011. I bought 26 so my cost was about
$200. I wanted a "Manufactured in America" part but can't remember if
that was too pricey or not.
Charlie
On 9/25/2015 9:45 AM, David Garrido wrote:
I like that Idea. Do you recall the part number of the resistors you
found?
Cheers,
David
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