Hi, The Bourns 3700S series is still available, a 100k Ohm part is this: https://www.mouser.de/ProductDetail/Bourns/3700S-1-104L?qs= %2Fha2pyFadujnek9uGXX64FiPDt0iEW4%2F27z9APd4XbI%3D[1]
regards, Matthias On Dienstag, 12. Mai 2020 11:03:02 CEST tim...@timeok.it wrote: > Hi everyone, > > I need your help to find a particular Bourns potentiometer that many > frequency standard company use for frequency fine tuning in their > oscillators. In my experience, both HP in 107BR and Frequency Electronics > in the AN URQ-23 use this potentiometer which has a value of 100k Ohm. > > Unfortunately I can't replace it with other models and by doing some > research I found some but at most with a resistance of 10K Ohm. I need two > pieces, but if I find more, I would keep them in reserve. The problem with > these multiturns is that the back cover comes off and no longer work. Some > can be glued again, others are damaged internally in the cursor because the > operator insisted trying to force the spindle. In the case of the HP107BR > the potentiometer is installed in the external oven and the temperature has > accentuated the gluing problem. In this regard, suggestions on which glue > can be used for high temperatures are welcome. > > The model is: Bourns 3700S-196-1004 > > thanks, > > Luciano > > Luciano P. S. Paramithiotti > tim...@timeok.it > www.timeok.it > _______________________________________________ > time-nuts mailing list -- time-nuts@lists.febo.com > To unsubscribe, go to > http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow > the instructions there. -------- [1] https://www.mouser.de/ProductDetail/Bourns/3700S-1-104L?qs= %2Fha2pyFadujnek9uGXX64FiPDt0iEW4%2F27z9APd4XbI%3D _______________________________________________ time-nuts mailing list -- time-nuts@lists.febo.com To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.