Re: Very small, very long life, 10 turn trimmer pot?
- From: Generalspecific <thrashaero@xxxxxxxxx>
- Date: Fri, 20 Jun 2008 17:20:53 -0700 (PDT)
On Jun 19, 10:47 pm, HiggsField <higgdfi...@xxxxxxxxxxxxxxxxxxxxxxxx>
wrote:
On Thu, 19 Jun 2008 21:25:08 -0400, Phil Hobbs
<pcdhSpamMeSensel...@xxxxxxxxxxxxxxxxxx> wrote:
thrasha...@xxxxxxxxx wrote:
I'm looking for a very low-profile trimmer pot (since it has limits)
that will be used for a knob that will be used a lot.
An encoder would've been nice but they keep turning and they're also
hard to find in this size:
It needs to be 6mm or less body width, height not including shaft a
half inch or less, shaft diameter close to 1/8" or less.
resistance figures doesn't matter. just long life. all i can find is
200 cycle rotational life and that is ridiculously low.
Unless there's an encoder out there with limits on it in that size.
Trimpots have really really short mechanical lifetimes. You might want
to think about a conductive plastic pot, as used in audio.
Cheers,
Phil Hobbs
An encoder would have a virtual infinite lifetime The sensor for the
encoder would be fully serviceable. Much more precise capability.
yes. i realized that trimpots are not the right thing to ask for but i
guess i asked simply because they can be very small. i thought to give
them a whirl since i gave up on encoders...i have found an encoder
from bourns, the 3375, but it is obsolete.
http://www.bourns.com/pdfs/3375_obsolete.pdf
which would work for what i'm looking for. is there any other models
out there just like this in terms of dimensions??
tocos makes a 7mm one, that is too large.
i'm not looking to use some part dealer service where they require you
to have a few hundred dollar minimum order. something that is readily
bought.
.
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