trimmers

JimiB · Post by **JimiB** » Thu Jul 24, 2008 2:23 pm

I would like to use the laydown 15mm phier carbon trimmers in an amp I'm building but mouser only has them in the stand up variety. I seems that the 10mm rated at .15w might not handle the 10K PI trimmer job. Any ideas?

Funkalicousgroove · Post by **Funkalicousgroove** » Thu Jul 24, 2008 3:23 pm

try cermet trimmers

JimiB · Post by **JimiB** » Thu Jul 24, 2008 3:27 pm

got a mouser part number or a brand?

heisthl · Post by **heisthl** » Thu Jul 24, 2008 3:50 pm

I use 531-PT10V-10K laydown trimmers

http://www.mouser.com/Search/ProductDet ... fVDQ%3d%3d

JimiB · Post by **JimiB** » Thu Jul 24, 2008 6:40 pm

and at .15W you think they can handle the PI voltage/current?

heisthl · Post by **heisthl** » Thu Jul 24, 2008 6:48 pm

Even if you were drawing 100ma and dropping 10 volts you would still only need .1 watt. I've never had one fail. Just don't leave your meter on OHMS when probing

JimiB · Post by **JimiB** » Thu Jul 24, 2008 7:01 pm

I've done that plenty of times. Hopefully your meter was fused?

heisthl · Post by **heisthl** » Thu Jul 24, 2008 7:03 pm

JimiB wrote:I've done that plenty of times. Hopefully your meter was fused?

Yeah the meter survived but the trim pot didn't.

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